CN104533325A - Oil gas water well universal type positive cycle type high-efficiency inner bailing combination tool - Google Patents
Oil gas water well universal type positive cycle type high-efficiency inner bailing combination tool Download PDFInfo
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- CN104533325A CN104533325A CN201410838979.XA CN201410838979A CN104533325A CN 104533325 A CN104533325 A CN 104533325A CN 201410838979 A CN201410838979 A CN 201410838979A CN 104533325 A CN104533325 A CN 104533325A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000012530 fluid Substances 0.000 claims abstract description 121
- 239000004576 sand Substances 0.000 claims description 76
- 238000005553 drilling Methods 0.000 claims description 39
- 239000010985 leather Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 241001074085 Scophthalmus aquosus Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008484 agonism Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides an oil gas water well universal type positive cycle type high-efficiency inner bailing combination tool. The oil gas water well universal type positive cycle type high-efficiency inner bailing combination tool comprises a first valve body, an upper through hole is formed at the top end of the first valve body and a lower through hole is formed at the bottom end of the first valve body, and the side walls opposite to each other in the first valve body are provided with a sand-carrying fluid outlet hole which is communicated with the lower through hole and the outside, and a power fluid outlet hole which is communicated with the upper through hole and the outside; at least one rubber cup with an opening facing downward is fixed on the first valve body, and the rubber cups are arranged between the upper portion of the power fluid outlet hole and the lower portion of the sand-carrying fluid outlet hole; The oil gas water well universal type positive cycle type high-efficiency inner bailing combination tool further comprises a second valve body, an upper through hole is formed at the top end of the second valve body and a lower through hole is formed at the bottom end of the second valve body, and the side walls opposite to each other in the second valve body are provided with a sand-carrying fluid inlet hole which is communicated with the lower through hole and the outside, and a power fluid inlet hole which is communicated with the upper through hole and the outside; at least one rubber cup with an opening facing upward is fixed on the second valve body, and the rubber cups are arranged between the upper portion of the power fluid outlet hole and the lower portion of the sand-carrying fluid outlet hole.
Description
Technical field
The present invention relates to oil gas water well desanding technical field, specifically, relate to the universal direct circulation formula of a kind of oil gas water well efficient in drag for sand combination tool.
Background technology
Oil gas water well formation sand production is one of major issue run in oilfield exploitation procedure.The reason of oil gas water well formation sand production is a lot, and the motion of such as formation fluid makes sand body enter into pit shaft along oil-gas Layer hole; Or water is produced on stratum, make the cement consolidation strength in stratum reduce and make sand body enter pit shaft, the production time is long, and strata pressure declines, and makes formation cementation thing and catalase and produces sand setting at pit shaft; Or use the well stimulation such as pressure break or acidifying, destroy rock mass structure, cause sand setting phenomenon; Or unbalance the causing of other work measure formation build-up of pressure is shaked out.Oil gas water well shakes out can affect the effective exploitation in land and marine oil gas field, reduces the useful life of production capacity and shortening oil gas water well.The harm of oil gas water well formation sand production is mainly manifested in: sand buries oil-gas Layer makes oil and gas production decline; Sand body enters oil well pump with formation fluid and causes the well workover of frequent inspection pump, and production cycle is shortened, and workover cost increases severely; The water injection rate of water injection well reduces and water injection pressure reduces; These all increase production and improve productivity on oil gas field and produce totally unfavorable impact.Therefore, need in time reservoir sand to be disposed.Tradition is dragged for sand instrument and be there is certain deficiency: in the well of pit shaft sand setting consolidation densification, drags for sand instrument, sand setting cannot be pulled out in deep-well, ultradeep well, horizontal well at all as in piston type sand pump etc.; Picture drags for sand instrument with brill huge fishing cup etc. is outer, wear loose loose, drag for that sand amount is minimum and duty cycle is long though the sand setting of consolidation densification can be bored.
Summary of the invention
Technical problem to be solved by this invention be to provide the universal direct circulation formula of a kind of oil gas water well efficient in drag for sand combination tool, with drilling tool G.I.H, rotary drilling mill and direct circulation can be carried out for a long time simultaneously and rush and drag for sand operation.
For achieving the above object, the invention provides the universal direct circulation formula of a kind of oil gas water well efficient in drag for sand combination tool, it comprises: the first valve body, body top and the bottom of described first valve body are respectively equipped with through hole and lower through-hole, and the sidewall that described body is relative is provided with and is communicated with described lower through-hole and outside load fluid and portals and the power fluid that is communicated with described upper through hole and outside portals; Described body is fixed at least one rubber cup that Open Side Down, described rubber cup be arranged on described power fluid portal top and load fluid portal below between; Second valve body, the body top of described second valve body and bottom be respectively equipped with through hole and lower through-hole, the sidewall that described body is relative is provided with the power fluid inlet hole being communicated with described upper through hole and outside load fluid inlet hole and being communicated with described lower through-hole and outside; Described body is fixed the rubber cup of at least one opening upwards, described rubber cup to be arranged on above described load fluid inlet hole and below power fluid inlet hole between.
Preferably, the body top of described first valve body and bottom are respectively equipped with through hole and the first lower through-hole on first, the body top of described second valve body and bottom be respectively equipped with through hole and the second lower through-hole on second.
Preferably, the power fluid of described first valve body is portalled and to be communicated with by oil, collar-shaped space with the power fluid inlet hole of described second valve body, described first valve body first on through hole, power fluid portal, the power fluid inlet hole of the second valve body and the second lower through-hole form power fluid flow channel.
Preferably, the load fluid of described first valve body is portalled and to be communicated with by drilling tool inner chamber with the load fluid inlet hole of described second valve body, and in the load fluid inlet hole, second of described second valve body, the first lower through-hole of through hole, the first valve body and load fluid portal and form load fluid flow channel.
In addition, preferably, described first valve body and described second valve body are fixed with rubber cup respectively, it is outside that described rubber cup divides other to be fixed on outside and described second valve body of described first valve body by leather cup support sleeve.
From above-mentioned description with put into practice, sand combination tool is dragged in the universal direct circulation formula of oil gas water well provided by the invention is efficient, its Advantageous Effects is: the first valve body and the second valve body that drag for sand combination tool in the universal direct circulation formula of oil gas water well is efficient combinationally use, with drilling tool G.I.H, direct circulation is rushed the storage area of drilling tool inner chamber as reservoir sand when dragging for sand, drag for sand amount large, and synchronously can carry out long rotary drilling mill and circulating flushing drags for sand operation; And making a trip period, the inside and outside portion of drilling tool and space, leather cup upper and lower part remain channels open, pressure balance, and well control risk is minimum.First (two) upper through hole, the first (two) lower through-hole, power fluid enter (going out) hole, load fluid enters the design of employing large aperture, (going out) hole without choke type, circulation power flow quantity is large, and the fine sand in shaft bottom, bulky grain or block sand body can be made to carry and return row inner into drilling tool by circulation power liquid is expedite or is carried into ground; And in the process of direct circulation, because rubber cup expands the effect closed, such that circulation power liquid enters (going out) hole by the first (two) upper through hole of the first valve body and the second valve body, the first (two) lower through-hole, power fluid, load fluid enters (going out) hole and carried out Channel-shifted and be communicated with.In addition, highly versatile, is applicable to various well type and rushing of hole condition drags for sand operation, and the circulating flushing being specially adapted to horizontal well drags for sand operation.Mainly drag for sand for the circulating flushing of deep-well, ultradeep well, horizontal well, large absorption well and design, can replace traditional in drag for the piston type sand bucket, sand pump, bailers etc. of formula; Outer fishing type with brill huge fishing cup etc.; Can fundamentally solve because formation sand production causes the Oil/gas Well underproduction and the frequent difficult problem examining pump well workover.
Accompanying drawing explanation
By below in conjunction with the description of accompanying drawing to embodiment, above-mentioned characteristic sum technological merit of the present invention will become apparent and easy understand.In the accompanying drawings,
Fig. 1 be the universal direct circulation formula of oil gas water well described in one embodiment of the invention efficient in drag for the first valve body schematic diagram of sand combination tool;
Fig. 2 be the universal direct circulation formula of oil gas water well shown in Fig. 1 efficient in drag for the second valve body schematic diagram of sand combination tool;
Fig. 3 be the universal direct circulation formula of oil gas water well shown in Fig. 1 efficient in drag for the using state schematic diagram of sand combination tool.
Reference numeral:
Sand combination tool 100 is dragged in the universal direct circulation formula of oil gas water well is efficient:
1: the first valve body; 11: body; Through hole on 12: the first; 13: the first lower through-holes;
14: load fluid portals; 15: power fluid portals; 16: rubber cup; 17: leather cup support sleeve;
2: the second valve bodies; 21: body; Through hole on 22: the second; 23: the second lower through-holes;
24: load fluid inlet hole; 25: power fluid inlet hole; 26: rubber cup; 27: leather cup support sleeve;
3: drilling rod; 4: sleeve pipe; 5: rigid centralizer; 6: circulating valve; 7: one way valve;
8: drag bit; 9: the bore hole borehole wall.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 be the universal direct circulation formula of oil gas water well described in one embodiment of the invention efficient in drag for the first valve body schematic diagram of sand combination tool.Fig. 2 be the universal direct circulation formula of oil gas water well shown in Fig. 1 efficient in drag for the second valve body schematic diagram of sand combination tool.As depicted in figs. 1 and 2, the universal direct circulation formula of oil gas water well efficient in drag for sand combination tool 100 and comprise the first valve body 1 and the second valve body 2.
Body 11 top and the bottom of the first valve body 1 are respectively equipped with through hole and lower through-hole, and top is provided with through hole 12 on first, and bottom is provided with the first lower through-hole 13.
The sidewall that body 11 is relative be provided with load fluid portal 14 and power fluid portal 15, load fluid portals 14 connection first lower through-holes 13, and wherein load fluid portals the oil on 14 connection rubber cup 16 tops, collar-shaped space, and the first lower through-hole 13 is communicated with lower drilling tool inner chamber; Power fluid portals through hole 12 in 15 connections first, and wherein power fluid portals oil, the casing annulus of 15 connection rubber cup 16 bottoms, and on first, through hole 12 is communicated with the drilling tool inner chamber on top to kelly bar and water tap.Load fluid portal 14 and power fluid portal 15 can the through hole of straight hole or inclined hole or other arbitrary shapes.
Body 11 is fixed two rubber cups that Open Side Down 16, the rubber cup 16 of top is positioned at load fluid and portals below 14, and the rubber cup 16 of below is positioned at power fluid and portals above 15, and the rubber cup 16 of below is arranged on power fluid and portals above 15.Preferably, the first valve body 1 fixes leather cup support sleeve 17, it is outside that rubber cup 16 is fixed on body 11 by leather cup support sleeve 17.
Body 21 top and the bottom of the second valve body 2 are respectively equipped with through hole and lower through-hole, and top is provided with through hole 22 on second, and bottom is provided with the second lower through-hole 23.
The sidewall that body 21 is relative is provided with load fluid inlet hole 24 and power fluid inlet hole 25, load fluid inlet hole 24 is communicated with through hole 22 on second, wherein load fluid inlet hole 24 is communicated with oil, the collar-shaped space of rubber cup 26 bottom, and on second, through hole 22 is communicated with the drilling tool inner chamber on top; Power fluid inlet hole 25 is communicated with the second lower through-hole 23, and wherein power fluid inlet hole 25 is communicated with oil, the collar-shaped space on rubber cup 26 top, and the second lower through-hole 23 is communicated with the drilling tool inner chamber of rubber cup 26 bottom to drill bit.Load fluid inlet hole 24 and power fluid inlet hole 25 can the through holes of straight hole or inclined hole or other arbitrary shapes.
Body 21 is fixed the rubber cup 26 of two opening upwards, the rubber cup 26 of top is positioned at below power fluid inlet hole 25, and the rubber cup 26 of top is arranged on below power fluid inlet hole 25, and the rubber cup 26 of below is positioned at above load fluid inlet hole 24.Preferably, the second valve body 2 fixes leather cup support sleeve 27, it is outside that rubber cup 26 is fixed on body 21 by leather cup support sleeve 27.
The power fluid of the first valve body 1 is portalled and 15 to be communicated with by oil, collar-shaped space with the power fluid inlet hole 25 of the second valve body 2, the first valve body 1 first on portal power fluid inlet hole 25, second lower through-hole 23 of the 15, second valve body 2 of through hole 12, power fluid form power fluid flow channel from top to bottom.
The load fluid of the first valve body 1 is portalled and 14 to be communicated with by drilling tool inner chamber with the load fluid inlet hole 24 of the second valve body 2, and in the load fluid inlet hole 24, second of the second valve body 2, the first lower through-hole 13 of through hole 22, first valve body 1 and load fluid portal the flow channel of 14 formation load fluid from bottom to up.
First valve body 1 and the second valve body 2 can realize exchanging by the opening direction changing rubber cup, and rubber cup is simple and convenient in ground dismounting.Power fluid goes out (entering) hole 15(25), load fluid goes out (entering) hole 14(24) have employed little angle, oblique and bigbore without choke type through hole and port welding carbide alloy, abrasion-resistance is strong.
Rubber cup 16,26 adopts high wear-resistant rubber leather cup, and functional reliability is strong, and durability is good.User can, according to well depth, sleeve pipe quality, brill time consuming, select single or multiple rubber cup 16,26 to combine; The withstand voltage rank of resistance to gentleness of high wear-resistant rubber leather cup can be selected as required.Rubber cup 16,26 and combinationally using with the first valve body 1 and the second valve body 2; In the process of making a trip, rubber cup 16,26 does interference or matched in clearance with internal surface of sleeve pipe respectively.In the process of power fluid circulation, rubber cup 16,26 expands closed due to the effect of pressure reduction, make power fluid and load fluid by the first (two) upper through hole 12(22 of the first valve body 1 and the second valve body 2), the first (two) lower through-hole 13(23), load fluid goes out (entering) hole 14(24), power fluid goes out (entering) hole 15(25) carry out Channel-shifted and be communicated with.Power fluid range of choice is large, and clear water, salt solution, mud etc. can be used as medium.
Introduce below the universal direct circulation formula of oil gas water well efficient in drag for the mode of occupation of sand combination tool.Fig. 3 be the universal direct circulation formula of oil gas water well shown in Fig. 1 efficient in drag for the using state schematic diagram of sand combination tool.As shown in Figure 3, drag in sand operation in reality punching, need during operation drilling and repairing well equipment and circulation wash/kill-job equipment coordinates, the first valve body 1 and the second valve body 2 need with the use of.Also need the aid of assembling match according to hole condition, comprise drilling rod 3, rigid centralizer 5, circulating valve 6, one way valve 7, drag bit 8 etc.Connect rigid centralizer 5, first valve body 1, circulating valve 6, one way valve 7, second valve body 2, rigid centralizer 5 and drag bit 8 below drilling rod 3 successively, above-mentioned each parts are all by entering under drilling rod in sleeve pipe 4, and drilling rod inner chamber is as the container storing reservoir sand.Wherein, the second valve body 2 is installed on drag bit 8 top, and depth location is preferably placed in more than sleeve pipe 4 pipe shoe, and within duty cycle, the second valve body 2 ensures to be positioned at more than casing shoe all the time, to keep the sealing of rubber cup 26 and sleeve pipe 4; First valve body 1 is placed in the sleeve pipe 4 closest to well head.
The reference parameter of operating environment is as follows, and drilling well well type is straight well, well depth 6800m(barefoot interval 6500m ~ 6800m), bottom hole temperature (BHT) is 170 DEG C, and formation leakage is serious, and in pit shaft, hydrostatic level is positioned at below well head-1200m.Formation sand production is serious, has buried stifled Open-Hole Section (major oil reservoir), causes the oil well underproduction serious, sand setting punching in shaft bottom be pulled out, recover oil well productivity.
Each assembly after assembling is delivered to shaft bottom by under drilling rod, and behind position, detecting shaft bed load face, connection side's drilling rod and water tap can carry out rotary drilling mill shaft bottom sand setting and turn on pump direct circulation.When circulation power liquid is on first of arrival first valve body 1 during through hole 12, due to fluid course change and power fluid portal the rubber cup 16 that Open Side Down outside 15 due to differential pressure action Expansion sealing, power fluid can only flow to power fluid by through hole 12 on first and portal 15, through oil, collar-shaped space, power fluid portals and 15 to be communicated with power fluid inlet hole 25, enter the power fluid inlet hole 25 of the second valve body 2, due to the rubber cup 26 of the opening upwards outside power fluid inlet hole 25 due to differential pressure action Expansion sealing, power fluid can only flow to the second lower through-hole 23 by power fluid inlet hole 25, to enter in drilling tool and hydrophthalmia through drag bit 8 sprays.
Sand body after boring mill carries and is delivered to well head and returns out to ground by power fluid, power fluid and the loose sand body produced after boring mill are combined as load fluid, load fluid through the load fluid inlet hole 24 of the second valve body 2 enter into the second valve body 2 second on through hole 22 upwards flow, on second, the drilling rod inner chamber of through hole 22 and the first lower through-hole 13 enters the first valve body 1, load fluid flow to load fluid from the first lower through-hole 13 and portals 14, and then load fluid is transported to ground.
As shaft bottom sand setting can not return out to ground, then stop direct circulation, now one way valve 7 is closed, and is closed by reservoir sand and is stored in drilling rod 3 inner chamber; After laying down kelly bar and water tap, then on carry drilling tool, make to enter bottom drilling tool in sleeve pipe 4 or the above position of sanding formation the first valve body 1 is pulled down, within static 3 ~ 6 hours, carry out sand setting; In drilling rod 3, drop into copper caber pound the disconnected pin of disconnected circulating valve 6, link up drilling rod 3 interior or exterior space, in order to avoid spray is bored when pulling out of hole; After sand setting is carried into well head with drilling rod 3, sand setting is discharged by root, until drilling tool all trips out.Due to the first valve body 1 exists wide-aperture load fluid portal 14 and power fluid portal 15, there is wide-aperture load fluid inlet hole 24 and power fluid inlet hole 25 in the second valve body 2, form large aperture passage, make to remain normal open state inside and outside drilling tool, therefore, the swabbing action that causes of formation and pressure agonism minimum.When annulus liquid level declines, need to supplement well killing fluid at any time, in order to avoid cause well control risk.
By the embodiment that the invention described above provides, the first valve body and the second valve body that drag for sand combination tool in the universal direct circulation formula of oil gas water well is efficient combinationally use, with drilling tool G.I.H, direct circulation is rushed the storage area of drilling tool inner chamber as reservoir sand when dragging for sand, drag for sand amount large, and synchronously can carry out long rotary drilling mill and circulating flushing drags for sand operation; And making a trip period, the inside and outside portion of drilling tool and space, leather cup upper and lower part remain channels open, pressure balance, and well control risk is minimum.First (two) upper through hole, the first (two) lower through-hole, power fluid enter (going out) hole, load fluid enters the design of employing large aperture, (going out) hole without choke type, circulation power flow quantity is large, and the fine sand in shaft bottom, bulky grain or block sand body can be made to carry and return row inner into drilling tool by circulation power liquid is expedite or is carried into ground; And in the process of circulation, because rubber cup expands the effect closed, such that circulation power liquid enters (going out) hole by the first (two) upper through hole of the first valve body and the second valve body, the first (two) lower through-hole, power fluid, load fluid enters (going out) hole and carried out Channel-shifted and be communicated with.In addition, highly versatile, is applicable to various well type and rushing of hole condition drags for sand operation, and the circulating flushing being specially adapted to horizontal well drags for sand operation.Mainly drag for sand for the circulating flushing of deep-well, ultradeep well, horizontal well, large absorption well and design, can replace traditional in drag for the piston type sand bucket, sand pump, bailers etc. of formula; Outer fishing type with brill huge fishing cup etc.; Can fundamentally solve because formation sand production causes the Oil/gas Well underproduction and the frequent difficult problem examining pump well workover.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any people being familiar with this technology is in the technical scope disclosed by the present invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (5)
1. the universal direct circulation formula of oil gas water well efficient in drag for a sand combination tool, it is characterized in that, it comprises:
First valve body, body top and the bottom of described first valve body are respectively equipped with through hole and lower through-hole, and the sidewall that described body is relative is provided with and is communicated with described lower through-hole and outside load fluid and portals and the power fluid that is communicated with described upper through hole and outside portals; Described body is fixed at least one rubber cup that Open Side Down, described rubber cup be arranged on described power fluid portal top and load fluid portal below between;
Second valve body, body top and the bottom of described second valve body are respectively equipped with through hole and lower through-hole, and the sidewall that described body is relative is provided with and is communicated with described upper through hole and outside load fluid inlet hole and the power fluid inlet hole being communicated with described lower through-hole and outside; Described body is fixed the rubber cup of at least one opening upwards, described rubber cup to be arranged on above described load fluid inlet hole and below power fluid inlet hole between.
2. the universal direct circulation formula of oil gas water well as claimed in claim 1 efficient in drag for sand combination tool, it is characterized in that, the body top of described first valve body and bottom are respectively equipped with through hole and the first lower through-hole on first, and the body top of described second valve body and bottom are respectively equipped with through hole and the second lower through-hole on second.
3. the universal direct circulation formula of oil gas water well as claimed in claim 2 efficient in drag for sand combination tool, it is characterized in that, the power fluid of described first valve body is portalled and to be communicated with by oil, collar-shaped space with the power fluid inlet hole of described second valve body, described first valve body first on through hole, power fluid portal, the power fluid inlet hole of the second valve body and the second lower through-hole form power fluid flow channel.
4. the universal direct circulation formula of oil gas water well as claimed in claim 2 efficient in drag for sand combination tool, it is characterized in that, the load fluid of described first valve body is portalled and to be communicated with by drilling tool inner chamber with the load fluid inlet hole of described second valve body, and in the load fluid inlet hole, second of described second valve body, the first lower through-hole of through hole, the first valve body and load fluid portal and form load fluid flow channel.
5. the universal direct circulation formula of oil gas water well as claimed in claim 1 efficient in drag for sand combination tool, it is characterized in that, described first valve body and described second valve body are fixed with rubber cup respectively, and it is outside that described rubber cup divides other to be fixed on outside and described second valve body of described first valve body by leather cup support sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410838979.XA CN104533325B (en) | 2014-12-30 | 2014-12-30 | Sand tool kit is dragged in oil gas water well universal direct circulation formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410838979.XA CN104533325B (en) | 2014-12-30 | 2014-12-30 | Sand tool kit is dragged in oil gas water well universal direct circulation formula |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533325A true CN104533325A (en) | 2015-04-22 |
| CN104533325B CN104533325B (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410838979.XA Expired - Fee Related CN104533325B (en) | 2014-12-30 | 2014-12-30 | Sand tool kit is dragged in oil gas water well universal direct circulation formula |
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| CN (1) | CN104533325B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894498A (en) * | 2020-09-04 | 2020-11-06 | 北京化工大学 | Sand collector for well workover reverse circulation sand removal |
| CN116624115A (en) * | 2023-07-20 | 2023-08-22 | 海塔石油科技有限公司 | Horizontal well sand discharge double-circulation valve and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6059030A (en) * | 1998-09-08 | 2000-05-09 | Celestine; Joseph W. | Sand recovery unit |
| CN2521377Y (en) * | 2002-01-11 | 2002-11-20 | 中国石油天然气股份有限公司 | Anti-pollution continuous sand washing pipe column |
| CN200952367Y (en) * | 2006-06-12 | 2007-09-26 | 中国石化股份胜利油田分公司现河采油厂 | Underwell continuous sand flushing tubular column |
| CN204419090U (en) * | 2014-12-30 | 2015-06-24 | 李国晗 | Sand combination tool is dragged in the universal direct circulation formula of oil gas water well is efficient |
-
2014
- 2014-12-30 CN CN201410838979.XA patent/CN104533325B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6059030A (en) * | 1998-09-08 | 2000-05-09 | Celestine; Joseph W. | Sand recovery unit |
| CN2521377Y (en) * | 2002-01-11 | 2002-11-20 | 中国石油天然气股份有限公司 | Anti-pollution continuous sand washing pipe column |
| CN200952367Y (en) * | 2006-06-12 | 2007-09-26 | 中国石化股份胜利油田分公司现河采油厂 | Underwell continuous sand flushing tubular column |
| CN204419090U (en) * | 2014-12-30 | 2015-06-24 | 李国晗 | Sand combination tool is dragged in the universal direct circulation formula of oil gas water well is efficient |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894498A (en) * | 2020-09-04 | 2020-11-06 | 北京化工大学 | Sand collector for well workover reverse circulation sand removal |
| CN116624115A (en) * | 2023-07-20 | 2023-08-22 | 海塔石油科技有限公司 | Horizontal well sand discharge double-circulation valve and use method thereof |
| CN116624115B (en) * | 2023-07-20 | 2023-09-22 | 海塔石油科技有限公司 | Horizontal well sand discharge double-circulation valve and use method thereof |
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| CN104533325B (en) | 2016-12-07 |
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