CN105223340B - A kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology - Google Patents

Abstract

A kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology, belongs to oil and gas resource evaluation technical field.Containing following committed step, 1), hydrocarbon source rock geochemistry data is relied on, determine underdone low-mature oil row hydrocarbon thresholding, normal hydrocarbon thresholding and normal row's hydrocarbon thresholding of high quality source rock；2) computing hydrocarbon generating quantity of source and hydrocarbon rate evaluation model, are set up；3) hydrocarbon source rock Hydrocarbon yield and row's hydrocarbon rate evaluation model, are set up, destination layer position hydrocarbon source rock Hydrocarbon yield and row's hydrocarbon rate key parameter is evaluated；4) high quality source rock organic matter carbon recovery coefficient evaluation model, evaluation objective layer position hydrocarbon source rock organic carbon recovering coefficient, are set up；5) research area destination layer position high quality source rock hydrocarbon potentiality plane graph, analysis and fine and close oil hydrocarbon contribution relation are evaluated.The underdone low ripe stage hydrocarbon potentiality key parameter of high quality source rock is objectively and accurately evaluated, the blank of the underdone low ripe stage hydrocarbon of high quality source rock for being weakened by people in the past is supplemented.

Description

A kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology

Technical field

The present invention relates to a kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology, belongs to oil and gas resource evaluation technology Field.

Background technology

With petering out for conventional gas and oil, middle-shallow layer and unconventionaloil pool exploration gradually cause the weight of oil exploration man Depending on.For unconventionaloil pool, especially after the breakthrough of U.S.'s shale gas, fine and close oil gas becomes unconventional petroleum resources again One " bright spot " field, the fine and close oil resource of China are enriched very much, with good fair exploration, in recent years, in Ordos Basin Ground Upper Triassic Yanchang group, Junggar Basin agate lake depression Permian System windy city group, Jimusaer Sag Permian System reed grass ditch group, yarn Reed grass ditch group, Song-liao basin Cretaceous System spring head group and Qingshankou before account-stone tree ditch depression Permian System flat-bottomed water gate, BogdaM ountain The fine and close exploration of the intervals such as group, Bohai gulf basin PALEOGENE SHAHEJIE FORMATION, the hollow southern slope Shuixigou Group in Turpan- Hami basin mound east is opened Send out and achieve impressive progress, the land fine and close oil geological resources of forecast China reach 110 × 10⁸T～135 × 10⁸T, mining resources Measure up to 15 × 10⁸T, Exploration Potential are huge.Above-mentioned fine and close oil-gas exploration is ripe hydrocarbon source rock, the large area point in large area distribution The reservoir of cloth and hydrocarbon source rock and reservoir close to guiding theory under exploration practices；And as lower Liaohe River Western Depression thunder man S_4 formation fine and close oil development area hydrocarbon source rock in area's is in Component of Premature-imature stage, compact reservoir rich in fine and close oil, and its petroleum resources is asked Topic is unintelligible, thus, this discovery proposes a kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology, mainly solves current position Component of Premature-imature stage high quality source rock hydrocarbon problem under the conditions of matter, while being (Dong- pu Depression SHAHEJIE FORMATION, Shanxi for China the 3rd County's depression the 3rd is, Chai Damupendizhong areas the 3rd are, Song-liao basin Nenjiang group) salinization lacustrine facies Component of Premature-imature high quality source rock Research indicate thinking, be China the 3rd be that the conventional reservoir of Component of Premature-imature oil sources and compact reservoir oil-gas exploration point the direction.

Previous scholars propose resinite, suberinite, antibacterial transformation organic matter, wax and algae for Unfertilized ovary Lipoid, sulfur-rich macromole premature degradation, kerogen pyrolysis are poly-, Soluble Organic Matter into the hydrocarbon pattern such as hydrocarbon, meanwhile, following several Aspect obtains incremental advances：1) under DIFFERENT DEPOSITIONAL ENVIRONMENTS, hydrocarbon source rock and various hydrocarbon materials form the mechanism of Unfertilized ovary Simulation experiment and natural maturation section research；2) it is solvable with insoluble organic matter in Unfertilized ovary is formed mutually conversion and its Contribution to non-stand oil；3) in oil, Colophonium and kerogen, the decarboxylic reaction of fatty acid cpds is studied to the contribution into hydrocarbon；4) Low temperature mineral catalysis form the Mechanism Study of Unfertilized ovary；5) structure of chemical composition angle research from hydrocarbon matrix is underdone- The Forming Mechanism of low-mature oil；6) research that the chemical kineticses and its application for developing to hydrocarbon are carried out；Organic matter is transformed and into hydrocarbon During microorganism Effect study etc..

However, the Component of Premature-imature stage hydrocarbon potentiality key parameter research in high quality source rock is less, shortage system, Arrange, development viewpoint sees the method for work of problem, lack the work in terms of absolute quantitation.

The content of the invention

In order to overcome the deficiencies in the prior art, the present invention to provide a kind of high quality source rock hydrocarbon potentiality key parameter evaluation side Method；Poly- theoretical, the modern kerogen hydrocarbon of present invention succession kerogen pyrolysis is theoretical, and trial exploration solves the above problems, the present invention Emphasis sets up grading Component of Premature-imature stage high quality source rock hydrocarbon potentiality key parameter method, depicts the Component of Premature-imature stage excellent The key parameter of matter hydrocarbon primary rock producing hydrocarbon potentiality, fills up domestic Component of Premature-imature stage high quality source rock hydrocarbon potentiality key parameter and grinds Some studied carefully are blank.

For the problems referred to above, the purpose of the present invention is to propose to a kind of high quality source rock hydrocarbon potentiality key parameter evaluation side Method, dissects the spatial of Component of Premature-imature stage high quality source rock, sets up high quality source rock hydrocarbon rate, row's hydrocarbon rate and organic carbon Recovery coefficient evaluation model, solves the densification oil development area in conventional Component of Premature-imature stage high quality source rock area without oil sources or oil The not clear problem in source source, the hydrocarbon potentiality key parameter for overcoming conventional Component of Premature-imature high quality source rock evaluate difficult problem.Really Determine Component of Premature-imature stage high quality source rock hydrocarbon potentiality, solved the problems, such as that the oil sources source of the fine and close oil in the area in the past is not clear, The oil sources of the fine and close oil in the area is objectively disclosed, is that densification exploration activity work in oil field Component of Premature-imature stage high quality source rock area is carried For technical support.

In order to realize foregoing invention purpose, the present invention adopts following technical method：

A kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology, comprises the following steps：

Step 1), collect and arrange basic data, the basic data includes：Pyrolysis Experiment data, chloroform bitumen A tests Data, reflectance of vitrinite Ro test datas, lighter hydrocarbons recover measured data, hydrocarbon source rock race composition data；

Step 2), chloroform bitumen " A " key parameter lighter hydrocarbons recover：Due to chloroform bitumen " A " the lighter hydrocarbons group in extractive process The raw loss of distribution, using hydrocarbon source rock experiment lighter hydrocarbons data and hydrocarbon source rock race composition data in research area, sets up chloroform bitumen " A " Lighter hydrocarbons recovery coefficient, lighter hydrocarbons recovery is carried out to Geochemistry Parameters chloroform bitumen " A ", original chloroform bitumen " A " is corrected out；

Step 3), set up hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/TOC、(S₁+S₂)/TOC key parameters Groundization section：Joint step 2) in chloroform bitumen " A " after lighter hydrocarbons compensation and step 1) in pyrolysis (residual hydrocarbons S collected₁、 Cracked hydrocarbon S₂) data, set up hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/TOC、(S₁+S₂)/TOC key parameters ground Change section；Meanwhile, using the hydrocarbon potentiality (S of underdone-low mature stage hydrocarbon source rock₁+S₂)/TOC parameters, determine that hydrocarbon source rock is original Hydrocarbon potentiality；

Step 4), the Unfertilized ovary row's hydrocarbon thresholding, normal hydrocarbon thresholding and the normal row's hydrocarbon door that determine high quality source rock Limit：Using destination layer position hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/ TOC key parameters determine that hydrocarbon source rock is normally given birth to Hydrocarbon thresholding depth；Using high quality source rock (S₁+S₂)/TOC key parameter sections determine hydrocarbon source rock Unfertilized ovary hydrocarbon thresholding With normal row's hydrocarbon thresholding depth；Lay the foundation to constrain hydrocarbon primary rock producing hydrocarbon rate, row's hydrocarbon rate and organic carbon recovering coefficient；

Step 5), set up computing hydrocarbon generating quantity of source and hydrocarbon rate evaluation model, evaluate destination layer position computing hydrocarbon generating quantity of source and Hydrocarbon rate key parameter：According to step 2) in destination layer position hydrocarbon source rock recover after chloroform bitumen " A "/TOC set up hydrocarbon source rock residual Hydrocarbon amount；Using hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield；It is flat using material Weighing apparatus method, sets up computing hydrocarbon generating quantity of source evaluation model, evaluates destination layer position computing hydrocarbon generating quantity of source, and the original hydrocarbon of joint hydrocarbon source rock is dived Power, evaluates research area destination layer position hydrocarbon primary rock producing hydrocarbon rate；

Step 6), set up hydrocarbon source rock Hydrocarbon yield and row hydrocarbon rate evaluation model, evaluate destination layer position hydrocarbon source rock Hydrocarbon yield and Row's hydrocarbon rate key parameter：According to hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield, Joint step 5) in evaluate hydrocarbon amount, set up hydrocarbon source rock row hydrocarbon rate evaluation model, evaluate research area destination layer position hydrocarbon source rock Row's hydrocarbon rate；

Step 7), set up high quality source rock organic matter carbon recovery coefficient evaluation model：According to research area destination layer position hydrocarbon source The organic and inorganic change of rock rock and the relation of buried depth, set up organic carbon recovering coefficient evaluation model；

Step 8), evaluation objective layer position hydrocarbon source rock organic carbon recovering coefficient：Relying on step 7) hydrocarbon source rock set up is organic Carbon recovery coefficient evaluation model, hydrocarbon primary rock producing hydrocarbon rate and step 6 that 5) joint step evaluates) evaluate hydrocarbon source rock row hydrocarbon Rate, evaluates research area destination layer position hydrocarbon source rock organic carbon recovering coefficient；

Step 9), evaluate research area destination layer position high quality source rock hydrocarbon potentiality key parameter plane graph：Integrated hydrocarbon source (hydrocarbon rate, row's hydrocarbon rate, organic carbon are extensive for rock destination layer position Maturity reflectance of vitrinite Ro plane graphs, hydrocarbon potentiality key parameter Complex coefficient), original hydrocarbon potentiality, evaluate research area destination layer position hydrocarbon primary rock producing hydrocarbon potentiality key parameter plane graph；

Step 10), evaluate research area destination layer position high quality source rock hydrocarbon potentiality plane graph, analysis and fine and close oil hydrocarbon Contribution relation：The spatial of joint study area destination layer position Component of Premature-imature stage high quality source rock, step 9) in evaluate Hydrocarbon potentiality key parameter, objectively evaluates the hydrocarbon potentiality of Component of Premature-imature stage high quality source rock；Joint and destination layer position Close to fine and close petroleum resources areal area, reasonable dismissal research area destination layer position densification oil gas oil sources carry out source problem.

Due to taking above technical scheme, which has advantages below to the present invention：1st, the present invention is due to proposing and establishing not The hydrocarbon rate of ripe-low ripe stage high quality source rock, row's hydrocarbon rate and organic carbon recovering coefficient evaluation model, overcome conventional brucellosis Simulation experiment data can not objective rational evaluation go out Unfertilized ovary part in high quality source rock, it is objective reasonably to evaluate not The hydrocarbon potentiality key parameter of ripe-low ripe stage high quality source rock.

Description of the drawings

When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can more fully understand the present invention with And the adjoint advantage of many of which is easily learnt, but accompanying drawing described herein is used for providing a further understanding of the present invention, The part of the present invention is constituted, the schematic description and description of the present invention is used to explain the present invention, does not constitute to this Bright improper restriction, such as figure are wherein：

Fig. 1 is chloroform bitumen " A " lighter hydrocarbons recovery scheme；

Fig. 2 is race's composition profile of hydrocarbon source rock；

Tu3Shi hydrocarbon source rocks race constitutes rectangular histogram；

Fig. 4 is hydrocarbon source rock Geochemistry Parameters S₁/(S₁+S₂) with the graph of a relation of depth；

Fig. 5 is hydrocarbon source rock Geochemistry Parameters S₁The graph of a relation of/TOC and depth；

Fig. 6 is the graph of a relation of hydrocarbon source rock Geochemistry Parameters chloroform bitumen " A "/TOC and depth；

Fig. 7 is hydrocarbon source rock Geochemistry Parameters (S₁+S₂The graph of a relation of)/TOC and depth；

Fig. 8 is the graph of a relation of hydrocarbon source rock Geochemistry Parameters reflectance of vitrinite Ro and depth；

Fig. 9 a are computing hydrocarbon generating quantity of source and depth relationship figure；

Fig. 9 b are computing hydrocarbon generating quantity of source and reflectance of vitrinite Ro graphs of a relation；

Figure 10 a are hydrocarbon primary rock producing hydrocarbon rate and depth relationship figure；

Figure 10 b are hydrocarbon primary rock producing hydrocarbon rate and reflectance of vitrinite Ro graphs of a relation；

Figure 11 a are relative row's hydrocarbon rate and depth relationship figures after hydrocarbon source rock recovers；

Figure 11 b are relative row's hydrocarbon rate and reflectance of vitrinite Ro graphs of a relation after hydrocarbon source rock recovers；

Figure 12 a are hydrocarbon source rock Hydrocarbon yield and depth relationship figure；

Figure 12 b are hydrocarbon source rock Hydrocarbon yield and reflectance of vitrinite Ro graphs of a relation；

Figure 13 a are hydrocarbon source rock organic carbon recovering coefficient and depth relationship figure；

Figure 13 b are hydrocarbon source rock organic carbon recovering coefficient and reflectance of vitrinite Ro graphs of a relation；

Figure 14 a are one sub- section bottom surface Ro isograms of s_4 formation Du；

Figure 14 b are one sub- section bottom surface hydrocarbon amount isograms of s_4 formation Du；

Figure 15 a are s_4 formation promotion Asia section bottom surface Ro isograms；

Figure 15 b are s_4 formation promotion Asia section bottom surface hydrocarbon amount isograms；

Figure 16 a are one sub- section bottom surface Component of Premature-imature area hydrocarbon comprehensive quality evaluation figures of s_4 formation Du；

Figure 16 b are s_4 formation promotion Asia section bottom surface Component of Premature-imature area hydrocarbon comprehensive quality evaluation figures；

Figure 17 hydrocarbon source rock organic carbon recovering coefficient evaluation model schematic diagrams；

Figure 18 shaly source rocks and Carbonate Source Rocks porosity are with R_oVariation characteristic schematic diagram；

Figure 19 method of the present invention flow charts.

The present invention is further described with reference to the accompanying drawings and examples.

Specific embodiment

Obviously, those skilled in the art belong to the guarantor of the present invention based on many modifications and variations done by spirit of the invention Shield scope.

Embodiment 1：As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 a, Fig. 9 b, Figure 10 a, Figure 10 b, figure 11a, Figure 11 b, Figure 12 a, Figure 12 b, Figure 13 a, Figure 13 b, Figure 14 a, Figure 14 b, Figure 15 a, Figure 15 b, Figure 16 a, Figure 16 b, Figure 17, figure Shown in 18 and Figure 19, a kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology objectively and accurately have rated Component of Premature-imature Stage high quality source rock hydrocarbon rate, row's hydrocarbon rate, establish the organic carbon recovering coefficient of letter of guarantee Component of Premature-imature stage high quality source rock Evaluation model, evaluates Component of Premature-imature stage high quality source rock hydrocarbon potentiality key parameter, exactly with the Bohai gulf basin Liaohe River As a example by western sag thunder man area, comprise the following steps：

(1), collect, arrange basic data, the basic data includes：Pyrolysis Experiment data, chloroform bitumen " A " test number According to, reflectance of vitrinite Ro test datas, lighter hydrocarbons recover measured data, hydrocarbon source rock race composition data；

Compile Pyrolysis Experiment data, the chloroform bitumen of Du's family's platform group and promotion group hydrocarbon source rock of thunder man area s_4 formation " A " test data, reflectance of vitrinite Ro test datas, lighter hydrocarbons recover measured data, hydrocarbon source rock race composition data, are shown in Table 1, table 2nd, table 3, table 4；

1 thunder man of table area upper Es4 pyrolysis parameters of rock statistical table

2 thunder man of table area upper Es4 chloroform bitumen " A " parametric statisticss table

3 thunder man of table area upper Es4 reflectance of vitrinite Ro detection statistics tables

4 thunder man of table area upper Es4 PONA analysis statistical table

(2), chloroform bitumen " A " key parameter lighter hydrocarbons recover：Due to chloroform bitumen " A ", in extractive process, light hydrocarbon component is sent out Raw loss, using hydrocarbon source rock experiment lighter hydrocarbons data and hydrocarbon source rock race composition data in research area, sets up the light of chloroform bitumen " A " Hydrocarbon recovery coefficient, carries out lighter hydrocarbons recovery to Geochemistry Parameters chloroform bitumen " A ", corrects out original chloroform bitumen " A "；

Chloroform bitumen " A " in extractive process, light hydrocarbon component occur loss, and survey now chloroform bitumen " A " cannot be anti- The real residual hydrocarbons in underground are mirrored, in order to objectively and accurately evaluate residual hydrocarbons amount, thus, it is necessary to set up chloroform bitumen " A " Lighter hydrocarbons recovery scheme (Fig. 1 chloroform bitumens " A " lighter hydrocarbons recovery scheme), carries out lighter hydrocarbons recovery to chloroform bitumen " A ", to petroleum component Saturated hydrocarbons, aromatic hydrocarbon in race's composition data, non-hydrocarbon and asphaltene are analyzed (race's composition profile of Fig. 2 hydrocarbon source rocks), point Saturated hydrocarbons and aromatic hydrocarbon proportion (Fig. 3 hydrocarbon source rocks race constitutes rectangular histogram) in the petroleum component for meet statistical law is separated out, this Secondary chloroform bitumen " A " lighter hydrocarbons recover what is carried out using lighter hydrocarbons recovery and petroleum component race composition data, and table 5 is chloroform before and after recovery Colophonium " A " relative analyses table, before after recovering as can be seen from the table, chloroform bitumen " A " is than recovering, chloroform bitumen " A " is big, difference compared with Greatly, elaborate to survey the importance that chloroform bitumen " A " recovers；

Reduced parameter table before and after 5 chloroform bitumen A of table recoveries

(3), set up hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/ TOC and (S₁+S₂The key parameters such as)/TOC Groundization section：

Joint step 2) in chloroform bitumen " A " after lighter hydrocarbons compensation and step 1) in pyrolysis (residual hydrocarbons S collected₁, split Solution hydrocarbon S₂) data, set up hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/TOC、(S₁+S₂)/TOC, depth/Ro etc. are closed Bond parameter groundization section (Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8)；

Meanwhile, using the hydrocarbon potentiality (S of Component of Premature-imature stage hydrocarbon source rock₁+S₂)/TOC parameters (Fig. 7), determines hydrocarbon source rock Original hydrocarbon potentiality are 845mg/g；

(4) Unfertilized ovary row's hydrocarbon thresholding, normal hydrocarbon thresholding and normal row's hydrocarbon thresholding of high quality source rock, are determined：

Using destination layer position hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/ TOC key parameters determine hydrocarbon source rock Normal hydrocarbon thresholding depth 2300m；

Using high quality source rock (S₁+S₂)/TOC key parameter sections determine the underdone low-mature oil hydrocarbon thresholding 1500m of hydrocarbon source rock With normal row's hydrocarbon thresholding depth 2650m；Lay the foundation to constrain hydrocarbon primary rock producing hydrocarbon rate, row's hydrocarbon rate and organic carbon recovering coefficient；

(5) computing hydrocarbon generating quantity of source and hydrocarbon rate evaluation model, are set up, destination layer position computing hydrocarbon generating quantity of source and hydrocarbon is evaluated Rate key parameter：According to step 2) in destination layer position hydrocarbon source rock recover after chloroform bitumen " A "/TOC set up hydrocarbon source rock residual hydrocarbons amount, Using hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield, using material balance method, Computing hydrocarbon generating quantity of source evaluation model is set up, destination layer position computing hydrocarbon generating quantity of source is evaluated, the original hydrocarbon potentiality of joint hydrocarbon source rock are commented Valency goes out to study area destination layer position hydrocarbon primary rock producing hydrocarbon rate；

According to step 2) in destination layer position hydrocarbon source rock recover after chloroform bitumen " A "/TOC set up hydrocarbon source rock residual hydrocarbons amount, its Judgement schematics (2) are as follows

In formula：Q_HSRCLFor hydrocarbon source rock residual hydrocarbons amount；Chloroform bitumen " A " is original for chloroform bitumen after recovery " A "；Chloroform bitumen " A " is actual measurement chloroform bitumen " A "；NC_BHT+FXTFor statistically meet statistical law crude oil race constitute in saturated hydrocarbons and virtue Fragrant hydrocarbon proportion；K_QTFor chloroform bitumen " A " lighter hydrocarbons recovery coefficient, it is the C evaluated in component kinetics_6-13With C₁₃₊Ratio Value；NK_QTXSIt is the overall recovery coefficient of the actual measurement chloroform bitumen " A " for statistically meeting statistical law.

Using hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield, set up hydrocarbon source Rock Hydrocarbon yield evaluation model, its judgement schematics (3) are as follows

Q_HSRPL=Q_YSQL-Q_DQYSQL (3)

In formula：Q_HSRPLFor hydrocarbon source rock Hydrocarbon yield；Q_YSQLFor the original hydrocarbon potentiality of high quality source rock, Main Basiss are underdone-and it is low Ripe stage high quality source rock hydrocarbon potentiality determine original hydrocarbon potentiality 845mg/g；Q_DQYSQLFor the original hydrocarbon of current high quality source rock Potentiality, Main Basiss hydrocarbon source rock (S₁+S₂)/TOC key parameters determine current hydrocarbon primary rock producing hydrocarbon potentiality；

Using material balance method, computing hydrocarbon generating quantity of source evaluation model is set up, evaluate destination layer position computing hydrocarbon generating quantity of source, it is raw Hydrocarbon amount judgement schematics (4) is as follows

Q_HSRSL=Q_HSRCL+Q_HSRPL (4)

In formula：Q_HSRSLFor computing hydrocarbon generating quantity of source；Q_HSRCLFor hydrocarbon source rock residual hydrocarbons amount；Q_HSRPLFor hydrocarbon source rock Hydrocarbon yield；

Combinatorial formula (3) and formula (4), set up research area destination layer position hydrocarbon primary rock producing hydrocarbon rate evaluation model, are to evaluate hydrocarbon Source rock hydrocarbon rate lays the foundation, and its judgement schematics (5) are as follows

In formula：YP_HGRFor hydrocarbon primary rock producing hydrocarbon rate；Q_HSRSLFor computing hydrocarbon generating quantity of source；Q_HSRCLFor hydrocarbon source rock residual hydrocarbons amount；Q_HSRPL For hydrocarbon source rock Hydrocarbon yield；Q_YSQLFor the original hydrocarbon potentiality of high quality source rock, the life of Main Basiss Component of Premature-imature stage high quality source rock Hydrocarbon potentiality determine original hydrocarbon potentiality；

Thunder man area upper Es4 hydrocarbon amount is set up with depth relationship figure (Fig. 9 a) and computing hydrocarbon generating quantity of source and mirror matter Volume reflectivity Ro graphs of a relation (Fig. 9 b), it can be seen that high quality source rock is in 1500m, correspondence reflectance of vitrinite During Ro0.325, start to generate Unfertilized ovary, to depth 1900m when, Ro0.38 when, Unfertilized ovary life amount is maximum；Depth During 2300m, normal hydrocarbon thresholding during Ro0.48, is entered.With reference to the original hydrocarbon potentiality of hydrocarbon source rock, evaluate hydrocarbon primary rock producing hydrocarbon rate with Depth relationship figure (Figure 10 a), hydrocarbon primary rock producing hydrocarbon rate and Ro graphs of a relation (Figure 10 b), have found from figure, high quality source rock is in 1500m When, correspondence reflectance of vitrinite Ro0.325 when, start generate Unfertilized ovary, to depth 1900m when, Ro0.38 when, it is underdone- Low-mature oil life amount is maximum；Hydrocarbon rate reaches 12%.

(6) hydrocarbon source rock Hydrocarbon yield and row's hydrocarbon rate evaluation model, are set up, destination layer position hydrocarbon source rock Hydrocarbon yield and row's hydrocarbon is evaluated Rate key parameter：According to hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield, joint Step 5) in evaluate hydrocarbon amount, set up hydrocarbon source rock row hydrocarbon rate evaluation model, evaluate research area destination layer position hydrocarbon source rock row hydrocarbon Rate；

(2) formula is evaluated using the hydrocarbon source rock residual hydrocarbons amount evaluation set up, according to step 2) in destination layer position hydrocarbon source rock it is extensive After multiple, chloroform bitumen " A "/TOC sets up hydrocarbon source rock residual hydrocarbons amount；Using hydrocarbon source rock Hydrocarbon yield judgement schematics (3) set up, foundation Hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield；Using material balance method, set up Computing hydrocarbon generating quantity of source evaluation model, according to hydrocarbon amount judgement schematics (4), evaluates destination layer position computing hydrocarbon generating quantity of source.

Joint hydrocarbon source rock Hydrocarbon yield judgement schematics (3) and hydrocarbon amount judgement schematics (4), set up research area destination layer position hydrocarbon source Rock arranges hydrocarbon rate evaluation model, is that evaluating hydrocarbon primary rock producing hydrocarbon rate lays the foundation, and its judgement schematics (6) are as follows

In formula：YP_HERHydrocarbon rate is arranged for hydrocarbon source rock；Q_HSRSLFor computing hydrocarbon generating quantity of source；Q_HSRCLFor hydrocarbon source rock residual hydrocarbons amount；Q_HSRPL For hydrocarbon source rock Hydrocarbon yield；Q_YSQLFor the original hydrocarbon potentiality of high quality source rock, Main Basiss Component of Premature-imature high quality source rock hydrocarbon is dived Power determines original hydrocarbon potentiality；Q_DQYSQLFor the original hydrocarbon potentiality of current high quality source rock, Main Basiss hydrocarbon source rock (S₁+S₂)/ TOC key parameters determine current hydrocarbon primary rock producing hydrocarbon potentiality；

According to the hydrocarbon source rock Hydrocarbon yield and row's hydrocarbon rate evaluation model of above-mentioned foundation, thunder man area upper Es4 is evaluated Recover relative row's hydrocarbon rate with relative row's hydrocarbon rate after depth relationship figure (Figure 11 a), recovery and reflectance of vitrinite Ro graphs of a relation (figure 11b), hydrocarbon source rock Hydrocarbon yield and depth relationship figure (Figure 12 a), hydrocarbon source rock row's hydrocarbon rate and reflectance of vitrinite Ro graphs of a relation (figure 12b), it can be seen that Unfertilized ovary starts to arrange hydrocarbon in depth 1500m, reflectance of vitrinite Ro 0.33, in depth When 1900m, Ro 0.38, Hydrocarbon yield and row's hydrocarbon rate are maximum；In depth 2650m, Ro 0.5%, normal row's hydrocarbon thresholding depth is entered Degree；Additionally, recovering relative row's hydrocarbon rate with relative row after depth relationship figure (Figure 11 a), recovery from thunder man area upper Es4 In hydrocarbon rate and reflectance of vitrinite Ro graphs of a relation (Figure 11 b), it can be seen that although Component of Premature-imature stage hydrocarbon amount is less, row Hydrocarbon amount and row's hydrocarbon rate are still very high, have very big contribution to the fine and close oil gas of nearly source aggregation.

(7), set up high quality source rock organic matter carbon recovery coefficient evaluation model：According to research area destination layer position hydrocarbon source rock rock The organic and inorganic change of stone and the relation of buried depth, set up organic carbon recovering coefficient evaluation model；

If the initial pore volume of unit volume rock is Φ₀, saturation water in hole, the density of water is ρ_w, rock matrix Density is ρ, and after to a certain degree developing, the pore volume of rock is Φ, the physical model (Figure 17) of the process.If initial shape During state, the quality of rock (inorganic part) is M₀, it is M to develop to the quality after certain phase.

Can be obtained by model：

M₀=ρ_W×φ₀+ρ_r0×(1-φ₀) (7)

M=ρ_W×φ+ρ_r×(1-φ) (8)

If organic carbon initial mass is m_c ⁰, the initial mass of organic matter is m₀, the initial mass of rock is M₀, develop to one After determining the stage, remaining organic carbon quality is m_c, the quality of remnant organic matter is m, and the residual qualities of rock are M, then the change of organic matter Change as follows

In formula：K_TOCXSFor the organic carbon recovering coefficient of Component of Premature-imature stage high quality source rock；YP_HERHydrocarbon is arranged for hydrocarbon source rock Rate；YP_HGRFor hydrocarbon primary rock producing hydrocarbon rate；

According to the definition of organic carbon content,

In formula, m_cFor the quality of the organic carbon in 100 unit of weights, m is the organic matter in 100 unit of weights Amount, M are the quality of the rock in 100 unit of weights；

Then organic carbon recovering coefficient D is represented by：

Combinatorial formula (5) and formula (6), the conversion ratio for being provided with machine carbon mass loss are YP_HER×YP_HGR, then：

Consider very much bigger than the initial mass of organic matter of initial mass of rock, therefore, it is possible to will

Combinatorial formula (7), formula (8), formula (11) and formula (12), obtain hydrocarbon source rock organic carbon recovering coefficient and evaluate public Formula (13) is as follows

In formula, m_c ⁰For organic carbon initial mass, the remaining organic carbon quality that develops to after certain phase is m_c, rock it is initial Quality is M₀, the residual qualities of rock are M, ρ_roFor the density of rock initial mass, ρ_rFor the density of residual rocks quality, now Rock density is to carry out processing acquisition according to well logging density curve, due to rock density it is many between 2～3, for protrusion The density of residual rocks quality takes (ρ with the trend of change in depth_r- 2) make relation with depth, and adopt 5 in well logging density points Average in rice, preferably reflect (ρ_r- 2) make relation with depth；The initial pore volume of unit volume rock is Φ₀, hole Saturation water in gap, the density of water is ρ_w, after to a certain degree developing, the pore volume of rock is Φ；

For the hydrocarbon source rock (such as mud stone) of a certain lithology, with the increase of buried depth, porosity reduces.According to east Battalion's depression, Chuan Xi, storehouse car, the mudstone porosity curve of the Junggar Basin and reflectance of vitrinite Ro relations, fit mud stone hole Porosity and reflectance of vitrinite Ro relations；According to carbonate porosity degree in tower and reflectance of vitrinite Ro relations, carbon is fitted Hydrochlorate porosity and reflectance of vitrinite Ro relations (Figure 18).

(8), evaluation objective layer position hydrocarbon source rock organic carbon recovering coefficient：Relying on step 7) the hydrocarbon source rock organic carbon set up is extensive Complex coefficient evaluation model, hydrocarbon primary rock producing hydrocarbon rate and step 6 that 5) joint step evaluates) evaluate hydrocarbon source rock row hydrocarbon rate, comment Valency goes out to study area destination layer position hydrocarbon source rock organic carbon recovering coefficient (Figure 13 a and Figure 13 b)；It can be seen that this thunder man Hydrocarbon potentiality key parameter --- the organic carbon recovering coefficient that regional upper Es4 is evaluated, objectively reflects efficiently excellent Matter hydrocarbon source rock Component of Premature-imature part, reasonably accurate reflects the contribution of high quality source rock Component of Premature-imature stage hydrocarbon.

(9), evaluate research area destination layer position high quality source rock hydrocarbon potentiality key parameter plane graph：Joint thunder man area One sub- section hydrocarbon source rock bottom circle's Maturity reflectance of vitrinite Ro plane graphs (Figure 14 a) of s_4 formation Du, it is latent with reference to the hydrocarbon set up Power key parameter hydrocarbon amount (or hydrocarbon rate, row's hydrocarbon rate, organic carbon recovering coefficient), evaluates the regional one sub- section of s_4 formation Du of thunder man Computing hydrocarbon generating quantity of source contour plane graph (Figure 14 b)；In the same manner, combine thunder man area s_4 formation promotion Asia section hydrocarbon source rock top circle ripe Degree reflectance of vitrinite Ro plane graphs (Figure 15 a), combine set up hydrocarbon potentiality key parameter hydrocarbon amount (or hydrocarbon rate, arrange Hydrocarbon rate, organic carbon recovering coefficient), evaluate thunder man area s_4 formation promotion Asia section computing hydrocarbon generating quantity of source contour plane graph (figure 15b)。

Step 10), evaluate research area destination layer position high quality source rock hydrocarbon potentiality plane graph, analysis and fine and close oil hydrocarbon Contribution relation：The spatial of joint study area destination layer position Component of Premature-imature stage high quality source rock, step 9) in evaluate Hydrocarbon potentiality key parameter, objectively evaluates the hydrocarbon potentiality of Component of Premature-imature stage high quality source rock；Rely on thunder man area The fine and close oil of s_4 formation with shut out three sections as main productive layers, with shut out one and promotion as the feature of main force's hydrocarbon source rock, worked out thunder man ground One Ya Duan Component of Premature-imature area hydrocarbon comprehensive quality evaluation figure (Figure 16 a and Figure 16 b) of area's promotion Asia section and Du, it can be seen that The oil sources of thunder man three sections of fine and close oil of area Du has the tribute from thunder man area promotion Asia section and one Ya Duan Unfertilized ovaries area of Du Offer, the oil sources of reasonable dismissal research area destination layer position densification oil gas carrys out source problem.

Embodiment 2：As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 a, Fig. 9 b, Figure 10 a, Figure 10 b, figure 11a, Figure 11 b, Figure 12 a, Figure 12 b, Figure 13 a, Figure 13 b, Figure 14 a, Figure 14 b, Figure 15 a, Figure 15 b, Figure 16 a, Figure 16 b, Figure 17, figure Shown in 18 and Figure 19,

A kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology, containing following steps；

Step 1), collect and arrange basic data, the basic data includes：Pyrolysis Experiment data, chloroform bitumen " A " are surveyed Examination data, reflectance of vitrinite Ro test datas, lighter hydrocarbons recover measured data, hydrocarbon source rock race composition data；

Step 2), chloroform bitumen " A " key parameter lighter hydrocarbons recover：Due to chloroform bitumen " A " the lighter hydrocarbons group in extractive process The raw loss of distribution, using hydrocarbon source rock experiment lighter hydrocarbons data and hydrocarbon source rock race composition data in research area, sets up chloroform bitumen " A " Lighter hydrocarbons recovery coefficient model, lighter hydrocarbons recovery is carried out to Geochemistry Parameters chloroform bitumen " A ", original chloroform bitumen " A " is corrected out；

Step 3), set up hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/TOC、(S₁+S₂The crucial ginseng such as)/TOC Change section severally, TOC is organic carbon；

Joint step 2) in chloroform bitumen " A " after lighter hydrocarbons compensation and step 1) in pyrolysis (residual hydrocarbons S collected₁, split Solution hydrocarbon S₂) data, set up hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/TOC、(S₁+S₂The key parameters such as)/TOC ground Change section；Meanwhile, using the hydrocarbon potentiality (S of underdone-low mature stage hydrocarbon source rock₁+S₂)/TOC parameters, determine that hydrocarbon source rock is original Hydrocarbon potentiality；

Step 4), the Unfertilized ovary row's hydrocarbon thresholding, normal hydrocarbon thresholding and the normal row's hydrocarbon door that determine high quality source rock Limit：Using destination layer position hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/ TOC key parameters determine that hydrocarbon source rock is normally given birth to Hydrocarbon thresholding depth, using high quality source rock (S₁+S₂)/TOC key parameter sections determine hydrocarbon source rock Unfertilized ovary hydrocarbon thresholding With normal row's hydrocarbon thresholding depth；Lay the foundation to constrain hydrocarbon primary rock producing hydrocarbon rate, row's hydrocarbon rate and organic carbon recovering coefficient；

Step 5), set up computing hydrocarbon generating quantity of source and hydrocarbon rate evaluation model, evaluate destination layer position computing hydrocarbon generating quantity of source and Hydrocarbon rate key parameter：According to step 2) in destination layer position hydrocarbon source rock recover after chloroform bitumen " A "/TOC set up hydrocarbon source rock residual Hydrocarbon amount, using hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield, flat using material Weighing apparatus method, sets up computing hydrocarbon generating quantity of source evaluation model, evaluates destination layer position computing hydrocarbon generating quantity of source, and the original hydrocarbon of joint hydrocarbon source rock is dived Power, evaluates research area destination layer position hydrocarbon primary rock producing hydrocarbon rate；

Step 6), set up hydrocarbon source rock Hydrocarbon yield and row hydrocarbon rate evaluation model, evaluate destination layer position hydrocarbon source rock Hydrocarbon yield and Row's hydrocarbon rate key parameter：According to hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield, Joint step 5) in evaluate hydrocarbon amount, set up hydrocarbon source rock row hydrocarbon rate evaluation model, evaluate research area destination layer position hydrocarbon source rock Row's hydrocarbon rate；

Step 7), set up high quality source rock organic matter carbon recovery coefficient evaluation model：According to research area destination layer position hydrocarbon source The organic and inorganic change of rock rock and the relation of buried depth, set up organic carbon recovering coefficient evaluation model；

Step 8), evaluation objective layer position hydrocarbon source rock organic carbon recovering coefficient：Relying on step 7) hydrocarbon source rock set up is organic Carbon recovery coefficient evaluation model, hydrocarbon primary rock producing hydrocarbon rate and step 6 that 5) joint step evaluates) evaluate hydrocarbon source rock row hydrocarbon Rate, evaluates research area destination layer position hydrocarbon source rock organic carbon recovering coefficient；

Step 9), evaluate research area destination layer position high quality source rock hydrocarbon potentiality key parameter plane graph：Integrated hydrocarbon source (hydrocarbon rate, row's hydrocarbon rate, organic carbon are extensive for rock destination layer position Maturity reflectance of vitrinite Ro plane graphs, hydrocarbon potentiality key parameter Complex coefficient), original hydrocarbon potentiality, evaluate research area destination layer position hydrocarbon primary rock producing hydrocarbon potentiality key parameter plane graph；

Step 10), evaluate research area destination layer position high quality source rock hydrocarbon potentiality plane graph, analysis and fine and close oil hydrocarbon Contribution relation：The spatial of joint study area destination layer position Component of Premature-imature high quality source rock, step 9) in the hydrocarbon that evaluates Potentiality key parameter, objectively evaluates the hydrocarbon potentiality of Component of Premature-imature high quality source rock；Joint with destination layer position close to cause Source problem is carried out in close petroleum resources areal area, the oil sources of reasonable dismissal research area destination layer position densification oil gas.

The step 2) in chloroform bitumen " A " key parameter lighter hydrocarbons recover：Due to chloroform bitumen " A " it is light in extractive process There is loss in hydrocarbon component, using hydrocarbon source rock experiment lighter hydrocarbons data and hydrocarbon source rock race composition data in research area, foundation meets system The lighter hydrocarbons recovery coefficient of the chloroform bitumen " A " of meter rule, carries out lighter hydrocarbons recovery to Geochemistry Parameters chloroform bitumen " A ", corrects out original Beginning chloroform bitumen " A "；

The step 5) in set up computing hydrocarbon generating quantity of source and hydrocarbon rate evaluation model, evaluate destination layer position hydrocarbon primary rock producing hydrocarbon Amount and hydrocarbon rate key parameter：According to step 2) in destination layer position hydrocarbon source rock recover after chloroform bitumen " A "/TOC set up hydrocarbon source rock Residual hydrocarbons amount；Using hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield；Using thing Matter counterbalanced procedure, sets up computing hydrocarbon generating quantity of source evaluation model, evaluates destination layer position computing hydrocarbon generating quantity of source, the original life of joint hydrocarbon source rock Hydrocarbon potentiality, evaluate research area destination layer position hydrocarbon primary rock producing hydrocarbon rate；

The step 6) hydrocarbon source rock Hydrocarbon yield and row's hydrocarbon rate evaluation model are set up, evaluate destination layer position hydrocarbon source rock Hydrocarbon yield With row's hydrocarbon rate key parameter：According to hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock row's hydrocarbon Amount, joint step 5) in evaluate hydrocarbon amount, set up hydrocarbon source rock row hydrocarbon rate evaluation model, evaluate research area destination layer position hydrocarbon source Rock arranges hydrocarbon rate；

The step 7) in set up high quality source rock organic matter carbon recovery coefficient evaluation model：According to research area destination layer position The organic and inorganic change of hydrocarbon source rock rock and the relation of buried depth, set up organic carbon recovering coefficient evaluation model；

The step 1), step 2), step 3), step 4), step 5), step 6), step 7), step 8), step 9) and Step 10), it is overall that a kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology is provided, solve objectively evaluate it is underdone- Low ripe stage hydrocarbon primary rock producing hydrocarbon potentiality and hydrocarbon potentiality key parameter, correctly disclose Component of Premature-imature stage high quality source rock The fine and close oil oil sources problem in area.

As described above, explained to embodiments of the invention, but as long as essentially without departing from this Bright inventive point and effect can have many deformations, and this will be readily apparent to persons skilled in the art.Therefore, this The variation of sample is also integrally incorporated within protection scope of the present invention.

Claims (5)

1. a kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology, it is characterised in that comprise the following steps：

Step 1), collect and arrange basic data, the basic data includes：Pyrolysis Experiment data, chloroform bitumen " A " test number According to, reflectance of vitrinite Ro test datas, lighter hydrocarbons recover measured data, hydrocarbon source rock race composition data；

Step 2), chloroform bitumen " A " key parameter lighter hydrocarbons recover：Due to chloroform bitumen " A ", in extractive process, light hydrocarbon component is sent out Raw loss, using hydrocarbon source rock experiment lighter hydrocarbons data and hydrocarbon source rock race composition data in research area, sets up the light of chloroform bitumen " A " Hydrocarbon recovery coefficient, carries out lighter hydrocarbons recovery to Geochemistry Parameters chloroform bitumen " A ", corrects out original chloroform bitumen " A "；

Step 3), set up hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/TOC、(S₁+S₂)/TOC key parameter groundization Section：Joint step 2) in chloroform bitumen " A " after lighter hydrocarbons compensation and step 1) in the Pyrolysis Experiment data collected, the heat Solution experimental data is residual hydrocarbons S1, cracked hydrocarbon S2, sets up hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/TOC、(S₁+ S₂)/TOC key parameter groundization sections；Meanwhile, using the hydrocarbon potentiality (S of underdone-low mature stage hydrocarbon source rock₁+S₂)/TOC joins Number, determines the original hydrocarbon potentiality of hydrocarbon source rock；

Step 4), the Unfertilized ovary row's hydrocarbon thresholding, normal hydrocarbon thresholding and the normal row's hydrocarbon thresholding that determine high quality source rock：Adopt With destination layer position hydrocarbon source rock S₁/(S₁+S₂), chloroform bitumen " A "/TOC, S₁/ TOC key parameters determine the normal hydrocarbon door of hydrocarbon source rock Limit depth；Using high quality source rock (S₁+S₂)/TOC key parameter sections determine hydrocarbon source rock Unfertilized ovary hydrocarbon thresholding and just Hydrocarbon thresholding depth is arranged often；Lay the foundation to constrain hydrocarbon primary rock producing hydrocarbon rate, row's hydrocarbon rate and organic carbon recovering coefficient；

Step 5), set up computing hydrocarbon generating quantity of source and hydrocarbon rate evaluation model, evaluate destination layer position computing hydrocarbon generating quantity of source and hydrocarbon Rate key parameter：According to step 2) in destination layer position hydrocarbon source rock recover after chloroform bitumen " A "/TOC set up hydrocarbon source rock residual hydrocarbons amount； Using hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield；Using material balance method, Computing hydrocarbon generating quantity of source evaluation model is set up, destination layer position computing hydrocarbon generating quantity of source is evaluated, the original hydrocarbon potentiality of joint hydrocarbon source rock are commented Valency goes out to study area destination layer position hydrocarbon primary rock producing hydrocarbon rate；

Step 6), set up hydrocarbon source rock Hydrocarbon yield and row hydrocarbon rate evaluation model, evaluate destination layer position hydrocarbon source rock Hydrocarbon yield and row hydrocarbon Rate key parameter：According to hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield, joint Step 5) in evaluate hydrocarbon amount, set up hydrocarbon source rock row hydrocarbon rate evaluation model, evaluate research area destination layer position hydrocarbon source rock row hydrocarbon Rate；

Step 7), set up high quality source rock organic matter carbon recovery coefficient evaluation model：According to research area destination layer position hydrocarbon source rock rock The organic and inorganic change of stone and the relation of buried depth, set up organic carbon recovering coefficient evaluation model；

Step 8), evaluation objective layer position hydrocarbon source rock organic carbon recovering coefficient：Relying on step 7) the hydrocarbon source rock organic carbon set up is extensive Complex coefficient evaluation model, hydrocarbon primary rock producing hydrocarbon rate and step 6 that 5) joint step evaluates) evaluate hydrocarbon source rock row hydrocarbon rate, comment Valency goes out to study area destination layer position hydrocarbon source rock organic carbon recovering coefficient；

Step 9), evaluate research area destination layer position high quality source rock hydrocarbon potentiality key parameter plane graph：Joint hydrocarbon source rock mesh Mark layer position Maturity reflectance of vitrinite Ro plane graphs, hydrocarbon potentiality key parameter, original hydrocarbon potentiality, evaluate research area's mesh Mark layer position hydrocarbon primary rock producing hydrocarbon potentiality key parameter plane graph, hydrocarbon potentiality key parameter are hydrocarbon rate, row's hydrocarbon rate, organic carbon recovery Coefficient；

Step 10), evaluate research area destination layer position high quality source rock hydrocarbon potentiality plane graph, analysis and fine and close oil hydrocarbon contribution Relation：The spatial of joint study area destination layer position Component of Premature-imature stage high quality source rock, step 9) in the hydrocarbon that evaluates Potentiality key parameter, objectively evaluates the hydrocarbon potentiality of Component of Premature-imature stage high quality source rock；Joint with destination layer position close to Fine and close petroleum resources areal area, reasonable dismissal research area destination layer position densification oil gas oil sources carry out source problem.

2. a kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology according to claim 1, it is characterised in that：Institute State step 2) in chloroform bitumen " A " key parameter lighter hydrocarbons recover：Due to chloroform bitumen " A ", in extractive process, light hydrocarbon component occurs Loss, using hydrocarbon source rock experiment lighter hydrocarbons data and hydrocarbon source rock race composition data in research area, sets up the lighter hydrocarbons of chloroform bitumen " A " Recovery coefficient, carries out lighter hydrocarbons recovery to Geochemistry Parameters chloroform bitumen " A ", corrects out original chloroform bitumen " A "；

Chloroform bitumen " A " loses light hydrocarbon component in extractive process, in high quality source rock residual hydrocarbons evaluation procedure occupies important Part, sets up detailed chloroform bitumen " A " lighter hydrocarbons recovery coefficient judgement schematics (1) as follows

In formula：Chloroform bitumen " A "_{It is original}For chloroform bitumen after recovery " A "；Chloroform bitumen " A " is actual measurement chloroform bitumen " A "；NC_BHT+FXT For statistically meet statistical law crude oil race constitute in saturated hydrocarbons and aromatic hydrocarbon proportion；K_QTFor chloroform bitumen " A " Lighter hydrocarbons recovery coefficient, is the C evaluated in component kinetics_6-13With C₁₃₊Ratio；NK_QTXSIt is statistically to meet statistics rule The overall recovery coefficient of the actual measurement chloroform bitumen " A " of rule.

3. a kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology according to claim 1, it is characterised in that：Institute State step 5) in set up computing hydrocarbon generating quantity of source and hydrocarbon rate evaluation model, evaluate destination layer position computing hydrocarbon generating quantity of source and hydrocarbon rate Key parameter：According to step 2) in destination layer position hydrocarbon source rock recover after chloroform bitumen " A "/TOC evaluate hydrocarbon source rock residual hydrocarbons amount, adopt With hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield, using material balance method, build Vertical computing hydrocarbon generating quantity of source evaluation model, evaluates destination layer position computing hydrocarbon generating quantity of source, and the original hydrocarbon potentiality of joint hydrocarbon source rock are set up Hydrocarbon primary rock producing hydrocarbon rate evaluation model, evaluates research area destination layer position hydrocarbon primary rock producing hydrocarbon rate；

According to step 2) in destination layer position hydrocarbon source rock recover after chloroform bitumen " A "/TOC set up hydrocarbon source rock residual hydrocarbons amount, its evaluation Formula (2) is as follows

In formula：Q_HSRCLFor hydrocarbon source rock residual hydrocarbons amount；Chloroform bitumen " A "_{It is original}For chloroform bitumen after recovery " A "；Chloroform bitumen " A " is Actual measurement chloroform bitumen " A "；NC_BHT+FXTFor statistically meet statistical law crude oil race constitute in saturated hydrocarbons and aromatic hydrocarbon institute Accounting example；K_QTFor chloroform bitumen " A " lighter hydrocarbons recovery coefficient, it is the C evaluated in component kinetics_6-13With C₁₃₊Ratio； NK_QTXSIt is the overall recovery coefficient of the actual measurement chloroform bitumen " A " for statistically meeting statistical law；

Using hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield, set up hydrocarbon source rock row Hydrocarbon amount evaluation model, its judgement schematics (3) are as follows

Q_HSRPL=Q_YSQL-Q_DQQL (3)

In formula：Q_HSRPLFor hydrocarbon source rock Hydrocarbon yield；Q_YSQLFor the original hydrocarbon potentiality of high quality source rock, Main Basiss Component of Premature-imature rank Section high quality source rock hydrocarbon potentiality determine original hydrocarbon potentiality；Q_DQQLFor current high quality source rock hydrocarbon potentiality, Main Basiss hydrocarbon Source rock (S₁+S₂)/TOC key parameters determine current hydrocarbon primary rock producing hydrocarbon potentiality；

Using material balance method, computing hydrocarbon generating quantity of source evaluation model is set up, evaluate destination layer position computing hydrocarbon generating quantity of source, hydrocarbon amount Judgement schematics (4) are as follows

Q_HSRSL=Q_HSRCL+Q_HSRPL (4)

In formula：Q_HSRSLFor computing hydrocarbon generating quantity of source；Q_HSRCLFor hydrocarbon source rock residual hydrocarbons amount；Q_HSRPLFor hydrocarbon source rock Hydrocarbon yield；

Combinatorial formula (3) and formula (4), set up research area destination layer position hydrocarbon primary rock producing hydrocarbon rate evaluation model, are to evaluate hydrocarbon source rock Hydrocarbon rate lays the foundation, and its judgement schematics (5) are as follows

${\mathrm{YP}}_{HGR}=\frac{Q_{HSRSL}}{Q_{YSQL}}=\frac{Q_{HSRCL}+Q_{HSRPL}}{Q_{YSQL}}---\left(5\right)$

In formula：YP_HGRFor hydrocarbon primary rock producing hydrocarbon rate；Q_HSRSLFor computing hydrocarbon generating quantity of source；Q_HSRCLFor hydrocarbon source rock residual hydrocarbons amount；Q_HSRPLFor hydrocarbon Source rock Hydrocarbon yield；Q_YSQLFor the original hydrocarbon potentiality of high quality source rock, Main Basiss Component of Premature-imature stage high quality source rock hydrocarbon is dived Power determines original hydrocarbon potentiality.

4. a kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology according to claim 1, it is characterised in that：Institute State step 6) hydrocarbon source rock Hydrocarbon yield and row's hydrocarbon rate evaluation model are set up, evaluate destination layer position hydrocarbon source rock Hydrocarbon yield and row's hydrocarbon rate is closed Bond parameter：According to hydrocarbon source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield, joint step 5) hydrocarbon amount is evaluated in, hydrocarbon source rock row's hydrocarbon rate evaluation model is set up, research area destination layer position hydrocarbon source rock row's hydrocarbon rate is evaluated；

Using above-mentioned hydrocarbon source rock residual hydrocarbons amount judgement schematics (2) set up, according to step 2) in destination layer position hydrocarbon source rock recover Chloroform bitumen " A "/TOC evaluates hydrocarbon source rock residual hydrocarbons amount afterwards；Using hydrocarbon source rock Hydrocarbon yield judgement schematics (3) set up, according to hydrocarbon Source rock (S₁+S₂)/TOC key parameters and original hydrocarbon generation potential evaluation go out hydrocarbon source rock Hydrocarbon yield；Using material balance method, hydrocarbon is set up Source rock hydrocarbon amount evaluation model, according to hydrocarbon amount judgement schematics (4), evaluates destination layer position computing hydrocarbon generating quantity of source；

Joint hydrocarbon source rock Hydrocarbon yield judgement schematics (3) and hydrocarbon amount judgement schematics (4), set up research area destination layer position hydrocarbon source rock row Hydrocarbon rate evaluation model, evaluates hydrocarbon source rock row's hydrocarbon rate, and its judgement schematics (6) are as follows

${\mathrm{YP}}_{HER}=\frac{Q_{HSRPL}}{Q_{HSRSL}}=\frac{Q_{YSQL}-Q_{DQYSQL}}{Q_{HSRCL}+Q_{HSRPL}}---\left(6\right)$

In formula：YP_HERHydrocarbon rate is arranged for hydrocarbon source rock；Q_HSRSLFor computing hydrocarbon generating quantity of source；Q_HSRCLFor hydrocarbon source rock residual hydrocarbons amount；Q_HSRPLFor hydrocarbon Source rock Hydrocarbon yield；Q_YSQLFor the original hydrocarbon potentiality of high quality source rock, Main Basiss Component of Premature-imature stage high quality source rock hydrocarbon is dived Power determines original hydrocarbon potentiality；Q_DQYSQLFor current high quality source rock hydrocarbon potentiality, Main Basiss hydrocarbon source rock (S₁+S₂)/TOC is closed Bond parameter determines current hydrocarbon primary rock producing hydrocarbon potentiality.

5. a kind of high quality source rock hydrocarbon potentiality key parameter evaluation methodology according to claim 1, it is characterised in that：Institute State step 7) in set up high quality source rock organic matter carbon recovery coefficient evaluation model：According to research area destination layer position hydrocarbon source rock rock Organic and inorganic change and the relation of buried depth, set up organic carbon recovering coefficient evaluation model；

If the initial pore volume of unit volume rock is Φ₀, saturation water in hole, the density of water is ρ_w, the density of rock matrix For ρ_ro, after to a certain degree developing, the pore volume of rock is Φ, and the density of rock matrix is ρ_r, the physics mould of the process Type；If the quality of rock is M during original state₀, it is M to develop to the quality after certain phase；

Obtained by model：

M₀=ρ_W×φ₀+ρ_r0×(1-φ₀) (7)

M=ρ_W×φ+ρ_r×(1-φ) (8)

If organic carbon initial mass is m_c ⁰, the initial mass of organic matter is m₀, the initial mass of rock is M₀, develop to certain rank After section, remaining organic carbon quality is m_c, the quality of remnant organic matter is m, and the residual qualities of rock are M, then the change of organic matter is such as Under

$\frac{m_c^0}{m_c}=\frac{1}{1-{\mathrm{YP}}_{HER}\×{\mathrm{YP}}_{HRG}}---\left(9\right)$

In formula：YP_HERHydrocarbon rate is arranged for hydrocarbon source rock；YP_HGRFor hydrocarbon primary rock producing hydrocarbon rate；

According to the definition of organic carbon content,

In formula, m_cFor the quality of the organic carbon in 100 unit of weights, m is the amount of the organic matter in 100 unit of weights, M For the quality of the rock in 100 unit of weights；

Then organic carbon recovering coefficient D is expressed as：

$K_{TOCXS}=\frac{{\mathrm{TOC}}^0}{TOC}=\frac{\frac{m_c^0}{M_0+m_0}}{\frac{m_c}{M+m}}=\frac{M+m}{M_0+m_0}\×\frac{m_c^0}{m_c}---\left(10\right)$

Combinatorial formula (5) and formula (6), the conversion ratio for being provided with machine carbon mass loss are YP_HER×YP_HGR, then：

$K_{TOCXS}=\frac{M+m}{M_0+m_0}\×\frac{1}{1-{\mathrm{YP}}_{HER}\×{\mathrm{YP}}_{HGR}}---\left(11\right)$

Consider very much bigger than the initial mass of organic matter of initial mass of rock, thus, will

$\frac{M+m}{M_0+m_0}\≈\frac{M}{M_0}---\left(12\right)$

Combinatorial formula (7), formula (8), formula (11) and formula (12), obtain hydrocarbon source rock organic carbon recovering coefficient judgement schematics (13) it is, as follows

$\begin{array}{c}{K}_{TOCXS}=\frac{{\mathrm{TOC}}^0}{TOC}=\frac{\frac{m_c^0}{M_0+m_0}}{\frac{m_c}{M+m}}=\frac{M+m}{M_0+m_0}\×\frac{m_c^0}{m_c}\\ \≈\frac{M}{M_0}\×\frac{m_c^0}{m_c}=\frac{{\mathrm{\ρ}}_W\×\mathrm{\φ}+{\mathrm{\ρ}}_r\×(1-\mathrm{\φ})}{{\mathrm{\ρ}}_W\×{\mathrm{\φ}}_0+{\mathrm{\ρ}}_{r0}\×(1-{\mathrm{\φ}}_0)}\×\frac{m_c^0}{m_c}\\ \≈\frac{M}{M_c}\×\frac{m_c^0}{m_c}=\frac{{\mathrm{\ρ}}_W\×\mathrm{\φ}+{\mathrm{\ρ}}_r\×(1-\mathrm{\φ})}{{\mathrm{\ρ}}_W\×{\mathrm{\φ}}_0+{\mathrm{\ρ}}_{r0}\×(1-{\mathrm{\φ}}_0)}\×\frac{1}{1-{\mathrm{YP}}_{HER}\×{\mathrm{YP}}_{HGR}}\end{array}---\left(13\right)$

In formula, m_c ⁰For organic carbon initial mass, the remaining organic carbon quality that develops to after certain phase is m_c, the initial mass of rock For M₀, the residual qualities of rock are M, ρ_roFor the density of rock initial mass, ρ_rFor the density of residual rocks quality, rock now Density is to carry out processing acquisition according to well logging density curve, due to rock density it is many between 2～3, in order to project remnants The density of rock quality takes (ρ with the trend of change in depth_r- 2) make relation with depth, and using in 5 meters in well logging density points Average, preferably reflect (ρ_r- 2) make relation with depth；The initial pore volume of unit volume rock is Φ₀, in hole Saturation water, the density of water is ρ w, and after to a certain degree developing, the pore volume of rock is Φ；

For the hydrocarbon source rock of a certain lithology, with the increase of buried depth, porosity reduces；According to Dongying Depression, Chuan Xi, Storehouse car, the mudstone porosity curve of the Junggar Basin and reflectance of vitrinite Ro relations, fit mudstone porosity and vitrinite Reflectance Ro relations；According to carbonate porosity degree in tower and reflectance of vitrinite Ro relations, fit carbonate porosity with Reflectance of vitrinite Ro relations.