CN110905492A - Ultrahigh-pressure hydraulic perforation ground comprehensive mold experimental device - Google Patents
Ultrahigh-pressure hydraulic perforation ground comprehensive mold experimental device Download PDFInfo
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- CN110905492A CN110905492A CN201911075334.4A CN201911075334A CN110905492A CN 110905492 A CN110905492 A CN 110905492A CN 201911075334 A CN201911075334 A CN 201911075334A CN 110905492 A CN110905492 A CN 110905492A
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- pressure
- threaded connection
- simulation system
- communicating pipe
- sandstone
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- 238000004088 simulation Methods 0.000 claims abstract description 38
- 239000011435 rock Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000011148 porous material Substances 0.000 claims abstract description 11
- 239000004568 cement Substances 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/114—Perforators using direct fluid action on the wall to be perforated, e.g. abrasive jets
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/08—Measuring diameters or related dimensions at the borehole
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to the field of oil field oil extraction engineering and logging engineering, and belongs to an ultrahigh-pressure hydraulic perforation ground comprehensive model experimental device. The device is designed for testing the perforation effect of the ultrahigh-pressure hydraulic perforation technology on the ground. The device consists of a shaft simulation system (1), a stratum simulation system (2) and an overlying rock pore pressure simulation system (3), wherein a sleeve (10) of the shaft simulation system (1) is in threaded connection with an inner shell (22) of the stratum simulation system (2), and the inner shell (22) of the stratum simulation system (2) is in interference connection with a sealing rubber sleeve (30) of the overlying rock pore pressure simulation system (3). The invention has the advantages of simple structure, low cost, high efficiency, repeated use and the like.
Description
Technical Field
The invention relates to the field of oil field oil extraction engineering and logging engineering, and belongs to an ultrahigh-pressure hydraulic perforation ground comprehensive model experimental device.
Background
The perforation completion is an important link in the process of oil field exploration and development, is the most widely used completion method at home and abroad at present, and the quality of the effect not only influences the productivity of an oil-gas well, but also influences the effect of subsequent yield-increasing transformation measures. The perforation depth is the most important index influencing the perforation effect, the perforation depth is improved, the penetration of a drilling pollution zone is facilitated, the influence of the drilling pollution zone on oil and gas exploitation is reduced, the injection strength of a water well and the extraction strength of an oil well are improved, and the purpose of improving the productivity of the oil and gas well is achieved.
At present, the penetration depth of a 102-deep penetration perforating bullet in China reaches 1464mm to the maximum depth (the penetration depth of a corresponding sandstone target is about 400-500 mm), and under the existing theory and technical conditions, breakthrough progress is difficult to occur. Therefore, a research idea of ultrahigh-pressure hydraulic perforation is provided, and the perforation depth is further improved. At present, no ground comprehensive simulation experiment device related to the ultrahigh-pressure hydraulic perforation technology is searched. In order to verify the feasibility and perforation effect of the ultrahigh-pressure hydraulic perforation technology, an ultrahigh-pressure hydraulic perforation ground comprehensive model experimental device is researched and developed.
Disclosure of Invention
The invention aims to provide an ultrahigh-pressure hydraulic perforation ground comprehensive model experimental device designed for verifying feasibility and perforation effect of an ultrahigh-pressure hydraulic perforation technology.
The invention comprises a shaft simulation system, a stratum simulation system and an overlying rock pore pressure simulation system, wherein a sleeve of the shaft simulation system is in threaded connection with an inner shell of the stratum simulation system, and the inner shell of the stratum simulation system is in interference connection with a sealing rubber sleeve of the overlying rock pore pressure simulation system.
The shaft simulation system consists of a sleeve, a sleeve plug, a communicating pipe, a shaft pressure pressurizing device, a shaft temperature control device and a recovery device, wherein the sleeve is in threaded connection with the sleeve plug, the communicating pipe is in threaded connection with the sleeve, the communicating pipe is in threaded connection with the shaft pressure pressurizing device, the communicating pipe is in threaded connection with the shaft temperature control device, and the communicating pipe is in threaded connection with the recovery device.
The stratum simulation system is composed of a cement sheath, sandstone, a communicating pipe, an inner shell, a sandstone gap pressure pressurizing device and a sandstone temperature control device, wherein the cement sheath and the sandstone are sequentially sleeved in the inner shell, the communicating pipe is in threaded connection with the inner shell, the sandstone gap pressure pressurizing device is in threaded connection with the communicating pipe, and the sandstone temperature control device is in threaded connection with the communicating pipe.
The overburden rock pore pressure simulation system is composed of a sealing rubber sleeve, a shell body, a communication pipe, an overburden rock pressure pressurizing device and an overburden rock temperature control device, wherein the sealing rubber sleeve is sleeved in the shell body, the shell body is in threaded connection with the side wall of the casing pipe, the communication pipe is in threaded connection with the shell body, the overburden rock pressure pressurizing device is in threaded connection with the communication pipe, and the overburden rock temperature control device is in threaded connection with the communication pipe.
The shaft pressure pressurizing device keeps the pressure in the sleeve at 10 +/-0.5 MPa, and the shaft temperature control device keeps the temperature in the sleeve at 45-50 ℃.
The sandstone gap pressure pressurizing device keeps the pressure in the sandstone at 10 +/-0.5 MPa, and the sandstone temperature control device keeps the temperature in the sandstone at 45-50 ℃.
The overlying rock pressure pressurizing device keeps the pressure between the sealing rubber sleeve and the outer shell to be 20 +/-1 MPa, and the overlying rock temperature control device keeps the temperature between the sealing rubber sleeve and the outer shell to be 45-50 ℃.
Compared with the prior art, the invention has the following advantages:
the hydraulic deep hole testing device can simulate the hydraulic deep hole by using the ultrahigh-pressure hydraulic perforation technology under the actual working condition in the well, detect the perforation depth and the diameter of the hole and verify the process feasibility of the ultrahigh-pressure hydraulic perforation technology; has the advantages of simple structure, low cost, high efficiency, repeated use and the like.
Description of the drawings: fig. 1 is a schematic structural diagram of the hair side.
The specific implementation mode is as follows: the invention is further described below with reference to the accompanying drawings: the device consists of a shaft simulation system 1, a stratum simulation system 2 and an overlying rock pore pressure simulation system 3, wherein a sleeve 10 of the barrel simulation system 1 is in threaded connection with an inner shell 22 of the stratum simulation system 2, and the inner shell 22 of the stratum simulation system 2 is in interference connection with a sealing rubber sleeve 30 of the overlying rock pore pressure simulation system 3.
The shaft simulation system 1 is composed of a casing 10, a casing plug 11, a communicating pipe 12, a shaft pressure pressurizing device 13, a shaft temperature control device 14 and a recovery device 15, wherein the casing 10 is in threaded connection with the casing plug 11, the communicating pipe 12 is in threaded connection with the casing 10, the communicating pipe 12 is in threaded connection with the shaft pressure pressurizing device 13, the communicating pipe 12 is in threaded connection with the shaft temperature control device 14, and the communicating pipe 12 is in threaded connection with the recovery device 15.
The formation simulation system 2 comprises a cement sheath 20, sandstone 21, a communicating pipe 12, an inner shell 22, a sandstone gap pressure pressurizing device 23 and a sandstone temperature control device 24, wherein the cement sheath 20 and the sandstone 21 are sequentially sleeved in the inner shell 22, the communicating pipe 12 is in threaded connection with the inner shell 22, the sandstone gap pressure pressurizing device 23 is in threaded connection with the communicating pipe 12, and the sandstone temperature control device 24 is in threaded connection with the communicating pipe 12.
The overburden rock pore pressure simulation system 3 comprises a sealing rubber sleeve 30, an outer shell 31, a communication pipe 12, an overburden rock pressure pressurizing device 32 and an overburden rock temperature control device 33, wherein the sealing rubber sleeve 30 is sleeved in the outer shell 31, the outer shell 31 is in threaded connection with the side wall of the sleeve 10, the communication pipe 12 is in threaded connection with the outer shell 31, the overburden rock pressure pressurizing device 32 is in threaded connection with the communication pipe 12, and the overburden rock temperature control device 33 is in threaded connection with the communication pipe 12.
The invention is mainly applied to the detection of the feasibility and the perforation effect of the ultrahigh-pressure hydraulic perforation technology, and in the experimental process, the pressure in the casing 10 is kept at 10MPa by the shaft pressure pressurizing device 13, and the temperature in the casing 10 is kept at 45 ℃ by the shaft temperature control device 14.
The sandstone void pressure pressurizing device 23 keeps the pressure in the sandstone 21 at 10MPa, and the sandstone temperature control device 24 keeps the temperature in the sandstone 21 at 45 ℃.
The overburden rock pressure pressurizing device 32 maintains the pressure between the packing sleeve 30 and the outer shell 31 at 20MPa, and the overburden rock temperature control device 33 maintains the temperature between the packing sleeve 30 and the outer shell 31 at 45 ℃.
Firstly, an ultrahigh-pressure hydraulic perforation generator is put into the casing 10, the inner wall of the casing 10, the cement sheath 20 and the sandstone 21 are perforated in sequence, and after the perforation is finished, the stratum simulation system 2 is detached, and the depth and the diameter of the perforation are detected.
Claims (7)
1. The utility model provides an ultrahigh pressure hydraulic perforation ground is combined mould experimental apparatus which characterized in that: the device consists of a shaft simulation system (1), a stratum simulation system (2) and an overlying rock pore pressure simulation system (3), wherein a sleeve (10) of the shaft simulation system (1) is in threaded connection with an inner shell (22) of the stratum simulation system (2), and the inner shell (22) of the stratum simulation system (2) is in interference connection with a sealing rubber sleeve (30) of the overlying rock pore pressure simulation system (3).
2. The ground comprehensive mold experimental device for ultrahigh-pressure hydraulic perforation according to claim 1, characterized in that: the shaft simulation system (1) is composed of a casing (10), a casing plug (11), a communicating pipe (12), a shaft pressure pressurizing device (13), a shaft temperature control device (14) and a recovery device (15), wherein the casing (10) is in threaded connection with the casing plug (11), the communicating pipe (12) is in threaded connection with the casing (10), the communicating pipe (12) is in threaded connection with the shaft pressure pressurizing device (13), the communicating pipe (12) is in threaded connection with the shaft temperature control device (14), and the communicating pipe (12) is in threaded connection with the recovery device (15).
3. The ground comprehensive mold experimental device for ultrahigh-pressure hydraulic perforation according to claim 1, characterized in that: the formation simulation system (2) is composed of a cement sheath (20), sandstone (21), a communicating pipe (12), an inner shell (22), a sandstone gap pressure pressurizing device (23) and a sandstone temperature control device (24), wherein the cement sheath (20) and the sandstone (21) are sequentially sleeved in the inner shell (22), the communicating pipe (12) is in threaded connection with the inner shell (22), the sandstone gap pressure pressurizing device (23) is in threaded connection with the communicating pipe (12), and the sandstone temperature control device (24) is in threaded connection with the communicating pipe (12).
4. The ground comprehensive mold experimental device for ultrahigh-pressure hydraulic perforation according to claim 1, characterized in that: overburden rock pore pressure analog system (3) comprises sealed gum cover (30), shell body (31), communicating pipe (12), overburden rock pressure device (32), overburden rock temperature control device (33), wherein sealed gum cover (30) suit is in shell body (31), shell body (31) and sleeve pipe (10) lateral wall threaded connection, communicating pipe (12) and shell body (31) threaded connection, overburden rock pressure device (32) and communicating pipe (12) threaded connection, overburden rock temperature control device (33) and communicating pipe (12) threaded connection.
5. The ground comprehensive mold experimental device for ultrahigh-pressure hydraulic perforation according to claim 2, characterized in that: the shaft pressure pressurizing device (13) keeps the pressure in the casing (10) within 10 +/-0.5 MPa, and the shaft temperature control device (14) keeps the temperature in the casing (10) within 45-50 ℃.
6. The ground comprehensive mold experimental device for ultrahigh-pressure hydraulic perforation according to claim 3, characterized in that: the sandstone gap pressure pressurizing device (23) keeps the pressure in the sandstone (21) at 10 +/-0.5 MPa, and the sandstone temperature control device (24) keeps the temperature in the sandstone (21) at 45-50 ℃.
7. The ground comprehensive mold experimental device for ultrahigh-pressure hydraulic perforation according to claim 4, characterized in that: the overlying rock pressure pressurizing device (32) keeps the pressure between the sealing rubber sleeve (30) and the outer shell (31) at 20 +/-1 MPa, and the overlying rock temperature control device (33) keeps the temperature between the sealing rubber sleeve (30) and the outer shell (31) at 45-50 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911075334.4A CN110905492A (en) | 2019-11-06 | 2019-11-06 | Ultrahigh-pressure hydraulic perforation ground comprehensive mold experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911075334.4A CN110905492A (en) | 2019-11-06 | 2019-11-06 | Ultrahigh-pressure hydraulic perforation ground comprehensive mold experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110905492A true CN110905492A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911075334.4A Pending CN110905492A (en) | 2019-11-06 | 2019-11-06 | Ultrahigh-pressure hydraulic perforation ground comprehensive mold experimental device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110905492A (en) |
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Effective date of registration: 20211221 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 233 South Central Avenue Applicant after: Daqing Oilfield Co.,Ltd. Applicant after: PetroChina Company Limited Address before: 163453 Heilongjiang Province, Daqing City Ranghulu District No. 233 South Central Avenue Applicant before: Daqing Oilfield Co.,Ltd. |
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Application publication date: 20200324 |