CN109488252B - Environment-friendly anti-overflow liquid controlling means - Google Patents
Environment-friendly anti-overflow liquid controlling means Download PDFInfo
- Publication number
- CN109488252B CN109488252B CN201910050905.2A CN201910050905A CN109488252B CN 109488252 B CN109488252 B CN 109488252B CN 201910050905 A CN201910050905 A CN 201910050905A CN 109488252 B CN109488252 B CN 109488252B
- Authority
- CN
- China
- Prior art keywords
- valve
- sliding sleeve
- oil
- sand setting
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 22
- 239000004576 sand Substances 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000002265 prevention Effects 0.000 abstract description 13
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 69
- 239000003129 oil well Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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
- E21B34/00—Valve arrangements for boreholes or wells
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
-
- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/06—Sleeve valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
Abstract
An environment-friendly anti-overflow liquid control device is characterized in that a sliding sleeve with a valve is arranged in a main body, liquid inlet flow channels are arranged in the sliding sleeve and the main body, normal production is realized by replacing a fixed valve of an oil pump, a tool is connected between a pump barrel and a flower pipe, various daily underground operation requirements are met, pump collision operation and normal production are not influenced, and conventional measures such as expanding sealing, underground cleaning, heat washing, working fluid level testing and the like can be carried out on a packer. The shear pin type sliding sleeve is arranged on the main body, the blowout prevention and oil drainage functions can be freely selected according to the bottom hole pressure, when the oil pipe is pressed to reach the shear pin shearing pressure, the shear pin is sheared, the sliding sleeve moves downwards, meanwhile, the lower liquid inlet channel is sealed, the oil drainage hole is opened, and when the oil pipe pressure is higher than the casing pressure, the oil drainage hole is in an opening state, so that the oil drainage function is realized. When the pressure of the oil pipe is lower than the pressure of the sleeve, the oil drain hole is sealed, and the blowout prevention function is achieved. The sand setting cavity is designed inside to prevent sand from entering the pump, so that the sand setting pump has a sand prevention function.
Description
Technical Field
The tool is mainly used for controlling blowout prevention and oil drainage of an oil well, is connected between a pump cylinder and a flower pipe, replaces the original fixed valve, and can realize the purposes of sand setting, leakage detection, blowout prevention and oil drainage of an oil well pipe column. The device plays the sand setting effect during normal production, and the oil pipe pressure is suppressed to the transmission oil pipe when oil recovery well operation realizes that the sleeve pipe is suppressed oil pipe and is tested the hourglass, prevents spouting stifled pipe when producing the layer high pressure, lets out the safe environmental protection instrument that oil pipe residual pressure and oil drain were applicable to oil field environmental protection operation when producing the layer low pressure.
Background
With the deep development of oil fields, the proportion of the mechanical water shutoff production well is gradually increased, the mechanical water shutoff well is in fault and is in well repairing, and the high pressure of the plugging layer causes the problems of safety, environmental protection, such as oil pipe channeling, high pressure crude oil blowout in the well and the like. The existing tool cannot realize normal production during production, high-pressure pipe blocking and low-pressure oil drainage during operation are achieved, under the technical conditions, a plurality of personnel safety risks and environment-friendly risks exist during high-pressure well operation, the oil field production work is greatly interfered, and the environment-friendly type anti-overflow liquid control device is designed according to the condition, so that the risk on site can be effectively controlled.
Disclosure of Invention
The invention aims to provide an environment-friendly control device capable of solving the problem that liquid in an oil pipe overflows to the ground during oil pumping well operation, the device is arranged at the lower end of a deep well pump to replace a fixed valve of a tubular oil well pump, normal production of the oil well is not affected, but when the oil well production is abnormal, the blowout prevention and oil drainage functions in the oil pipe are started simultaneously, the liquid in the oil pipe can be leaked into a shaft, but the pressure in the shaft cannot be transmitted into the oil pipe, so that the environment-friendly operation requirement is met.
An environment-friendly anti-overflow liquid control device comprises a main body, a suction inlet short circuit, a sliding sleeve, a valve ball, a bypass valve cover, an upper joint fixed valve cover, a polytetrafluoroethylene sealing gasket, a uniflow valve sliding sleeve, a uniflow valve spring, a sand setting pipe, a uniflow valve adjusting ring, a sand setting pipe plug, a lower outer sleeve, a lower joint and a shear pin;
a sliding sleeve is arranged in the main body, a shear pin is arranged between the sliding sleeve and the main body, an upper joint fixed valve cover is arranged at the upper end of the main body, a valve ball is arranged at the upper end of the sliding sleeve, and the valve ball is positioned between the sliding sleeve and the upper joint fixed valve cover; the sand setting pipe is installed at the rear end of the main body, the single-flow valve spring is sleeved on the periphery of the sand setting pipe, the single-flow valve adjusting ring is sleeved on the rear end of the sand setting pipe, the single-flow valve sliding sleeve is sleeved on the front end of the sand setting pipe, the single-flow valve spring is positioned between the single-flow valve adjusting ring and the single-flow valve sliding sleeve, the polytetrafluoroethylene sealing gasket is installed at the rear end of the single-flow valve sliding sleeve, the sand setting pipe plug is installed at the rear end of the sand setting pipe, the lower jacket is sleeved outside the sand setting pipe, the polytetrafluoroethylene sealing gasket, the single-flow valve sliding sleeve, the single-flow valve spring, the sand setting pipe, the single-flow valve adjusting ring and the sand setting pipe plug are positioned inside the lower jacket, the lower joint is installed at the rear end of the lower jacket, the short circuit is sleeved outside the front end of the main body, the oil drainage channel is arranged in the bypass valve ball and the bypass valve cover, and the liquid inlet channel is arranged in the annulus and the short circuit between the sand setting pipe and the lower jacket.
The working process of the invention comprises the following steps:
the invention replaces the fixed valve of the oil pump to be arranged at the lower end of the oil pump and used for normally entering the well with the tool string, and when the oil pump works abnormally, the pump detection operation is needed. After the oil rod is lifted out, the oil pipe is pressurized by 24-25Mpa from the wellhead, the sliding sleeve moves downwards after the shear pins are sheared, the sliding sleeve blocks the oil inlet, the single-flow valve sliding sleeve on the sand setting pipe compresses the single-flow valve spring in the sliding sleeve moving downwards process, the pressure release hole on the sand setting pipe is released, the liquid in the sliding sleeve in the pipe occupies the volume, meanwhile, the oil release channel where the bypass valve ball is located is opened, when the oil pipe pressure is larger than the sleeve pressure, the oil pipe liquid enters the sleeve pipe, the oil sleeve is communicated, the oil in the oil pipe leaks out, the environment-friendly operation is realized, when the oil pipe pressure is smaller than the sleeve pressure, the oil release hole is sealed, and the aim of preventing liquid spraying is achieved.
The sand setting pipe is connected between the pump cylinder and the flower pipe, and the sand setting pipe is designed in the sand setting pipe, so that the sand setting pipe has a sand prevention function and can meet the measure requirements of pump collision, chemical cleaning, heat washing, working fluid level testing and the like in normal production of an oil well. The sliding sleeve with the shear pins is arranged on the main body, when an oil well does not normally need to work, the shear pins of the sliding sleeve can be pressed through the oil pipe, the lower liquid inlet channel of the pump is sealed after the sliding sleeve moves downwards, the upper oil drainage channel of the valve is reserved, and when the pressure of the oil pipe is higher than that of the sleeve, the oil drainage hole is in an opening state to play a role in oil drainage. When the casing pressure is higher than the pressure of the oil pipe, the oil drain hole is sealed, the blowout prevention function is realized, and the blowout prevention or oil drain function is selected independently according to the bottom hole pressure condition.
The invention has the beneficial effects that:
the invention is arranged at the lower end of the deep well pump to replace a fixed valve of the tubing pump, does not affect the normal production of an oil well, but when the production of the oil well is abnormal and operation is needed, the blowout prevention and oil drainage functions in the oil pipe are started simultaneously, so that the liquid in the oil pipe can leak into a shaft, but the pressure in the shaft cannot be transmitted into the oil pipe, thereby ensuring the environment-friendly operation requirement.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of a second embodiment of the present invention.
Detailed Description
An environment-friendly anti-overflow liquid control device comprises a main body 1, a suction inlet short circuit 2, a sliding sleeve 3, a valve ball 4, a bypass valve ball 5, a bypass valve cover 6, an upper joint fixed valve cover 7, a polytetrafluoroethylene sealing gasket 8, a uniflow valve sliding sleeve 9, a uniflow valve spring 10, a sand setting pipe 11, a uniflow valve adjusting ring 12, a sand setting pipe plug 13, a lower outer sleeve 14, a lower joint 15 and a shear pin 16;
the inside of the main body 1 is provided with a sliding sleeve 3, a shear pin 16 is arranged between the sliding sleeve 3 and the main body 1, an upper joint fixed valve cover 7 is arranged at the upper end of the main body 1, the upper end of the sliding sleeve 3 is provided with a valve ball 4, and the valve ball 4 is positioned between the sliding sleeve 3 and the upper joint fixed valve cover 7; the sand setting pipe 11 is installed at the rear end of the main body 1, the single-flow valve spring 10 is sleeved on the periphery of the sand setting pipe 11, the single-flow valve adjusting ring 12 is sleeved on the rear end of the sand setting pipe 11, the single-flow valve sliding sleeve 9 is sleeved on the front end of the sand setting pipe 11, the single-flow valve spring 10 is positioned between the single-flow valve adjusting ring 12 and the single-flow valve sliding sleeve 9, the polytetrafluoroethylene sealing gasket 8 is installed at the rear end of the single-flow valve sliding sleeve 9, the sand setting pipe plug 13 is installed at the rear end of the sand setting pipe 11, the lower jacket 14 is sleeved outside the sand setting pipe 11, the polytetrafluoroethylene sealing gasket 8, the single-flow valve sliding sleeve 9, the single-flow valve spring 10, the sand setting pipe 11, the single-flow valve adjusting ring 12 and the sand setting pipe plug 13 are positioned inside the lower jacket 14, the lower joint 15 is installed at the rear end of the lower jacket 14, the suction inlet short circuit 2 is sleeved outside the sleeve 3, the periphery of the front end of the main body 1 is provided with the oil drain channel 17, the bypass valve 5 and the bypass valve 6 are installed in the bypass channel 17, and the liquid inlet channel 18 is arranged in the annulus between the sand setting pipe 11 and the lower jacket 14 and the suction inlet 2.
The working process of the invention comprises the following steps:
the invention replaces the fixed valve of the oil pump to be arranged at the lower end of the oil pump and used for normally entering the well with the tool string, and when the oil pump works abnormally, the pump detection operation is needed. After the oil rod is lifted out, the oil pipe is pressurized by 24-25Mpa from the wellhead, after the shear pins 16 are sheared, the sliding sleeve 3 moves downwards, the sliding sleeve 3 blocks the oil inlet, the single-flow valve sliding sleeve 9 on the sand setting pipe 11 compresses the single-flow valve spring 10 in the downward moving process of the sliding sleeve 3, the pressure release hole on the sand setting pipe 11 is released, the liquid displaced by the sliding sleeve 3 in the pipe occupies the volume, meanwhile, the oil release channel 17 where the bypass valve ball 5 is positioned is opened, when the oil pipe pressure is higher than the sleeve pressure, the oil pipe liquid enters the sleeve pipe, the oil sleeve is communicated, the oil and water in the oil pipe are leaked outwards, the environment-friendly operation is realized, and when the oil pipe pressure is lower than the sleeve pressure, the oil release hole is sealed, so that the aim of preventing liquid spraying is achieved.
The invention is connected between the pump cylinder and the flower pipe, and the sand setting pipe 11 is designed in the interior, so that the sand setting pipe has a sand prevention function and can meet the measure requirements of pump collision, chemical cleaning, heat washing, working fluid level test and the like in normal production of an oil well. The sliding sleeve 3 with the shear pins 16 is arranged on the main body 1, when an oil well is abnormally in need of operation, the shear pins 16 of the sliding sleeve 3 can be sheared through the pressing of the oil pipe, the sliding sleeve 3 seals the lower liquid inlet channel 18 of the pump after moving downwards, the upper oil drainage channel of the valve is reserved, and when the pressure of the oil pipe is higher than that of the sleeve, the oil drainage hole is in an open state to play a role in oil drainage. When the casing pressure is higher than the pressure of the oil pipe, the oil drain hole is sealed, the blowout prevention function is realized, and the blowout prevention or oil drain function is selected independently according to the bottom hole pressure condition.
Claims (1)
1. An environment-friendly anti-overflow liquid control device is characterized in that: the novel sand-setting valve comprises a main body (1), a suction inlet short circuit (2), a sliding sleeve (3), a valve ball (4), a bypass valve ball (5), a bypass valve cover (6), an upper joint fixing valve cover (7), a polytetrafluoroethylene sealing gasket (8), a uniflow valve sliding sleeve (9), a uniflow valve spring (10), a sand setting pipe (11), a uniflow valve adjusting ring (12), a sand setting pipe plug (13), a lower outer sleeve (14), a lower joint (15) and a shear pin (16);
a sliding sleeve (3) is arranged in the main body (1), a shear pin (16) is arranged between the sliding sleeve (3) and the main body (1), an upper joint fixed valve cover (7) is arranged at the upper end of the main body (1), a valve ball (4) is arranged at the upper end of the sliding sleeve (3), and the valve ball (4) is arranged between the sliding sleeve (3) and the upper joint fixed valve cover (7); the sand setting pipe (11) is installed to the rear end of main part (1), sand setting pipe (11) periphery cover is established uniflow valve spring (10), uniflow valve adjusting ring (12) are established to the rear end cover of sand setting pipe (11), uniflow valve sliding sleeve (9) are established to uniflow valve spring (10) are located uniflow valve adjusting ring (12) and uniflow valve sliding sleeve (9) in the front end cover, polytetrafluoroethylene sealing pad (8) are installed to the rear end of uniflow valve sliding sleeve (9), sand setting pipe plug (13) are installed to the rear end of sand setting pipe (11), sand setting pipe (11) overcoat is equipped with down overcoat (14), polytetrafluoroethylene sealing pad (8), uniflow valve sliding sleeve (9), uniflow valve spring (10), sand setting pipe (11), uniflow valve adjusting ring (12) and sand setting pipe plug (13) are located down overcoat (14) inside, lower joint (15) are installed to the rear end, suction inlet short circuit (2) are established to the overcoat of sleeve (3), main part (1) front end periphery has drain (17), drain valve (17) and bypass (18) are located between drain (5) and the inner side of the bypass ball (2) and the inner side of drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910050905.2A CN109488252B (en) | 2019-01-21 | 2019-01-21 | Environment-friendly anti-overflow liquid controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910050905.2A CN109488252B (en) | 2019-01-21 | 2019-01-21 | Environment-friendly anti-overflow liquid controlling means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109488252A CN109488252A (en) | 2019-03-19 |
| CN109488252B true CN109488252B (en) | 2023-08-22 |
Family
ID=65714800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910050905.2A Active CN109488252B (en) | 2019-01-21 | 2019-01-21 | Environment-friendly anti-overflow liquid controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488252B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761596B (en) * | 2021-01-13 | 2022-11-25 | 孙伟峰 | Pressure guide structure of pump |
| CN117468888B (en) * | 2023-12-27 | 2024-03-19 | 中国石油集团川庆钻探工程有限公司 | Underground airtight plugging tool and plugging method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250640Y (en) * | 2008-08-01 | 2009-06-03 | 辽河石油勘探局 | Shaft anti-blowout and anti-overflow unit for workover |
| CN104329242A (en) * | 2014-09-05 | 2015-02-04 | 胜利油田北方实业集团有限责任公司 | Pipe type oil suction pump |
| CN104453753A (en) * | 2013-09-25 | 2015-03-25 | 上海祁杉仪器科技有限公司 | Oil pipe anti-overflow tool for direct flushing and indirect flushing |
| CN204646181U (en) * | 2015-04-13 | 2015-09-16 | 周艳 | New pumping unit ball-and-seat |
| CN206522120U (en) * | 2017-03-07 | 2017-09-26 | 杨朝杰 | Solvable Anti-over flow uniform valves |
| CN209603932U (en) * | 2019-01-21 | 2019-11-08 | 松原迈维自动化设备有限责任公司 | A kind of environment-friendly type seepage prevention control device |
-
2019
- 2019-01-21 CN CN201910050905.2A patent/CN109488252B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250640Y (en) * | 2008-08-01 | 2009-06-03 | 辽河石油勘探局 | Shaft anti-blowout and anti-overflow unit for workover |
| CN104453753A (en) * | 2013-09-25 | 2015-03-25 | 上海祁杉仪器科技有限公司 | Oil pipe anti-overflow tool for direct flushing and indirect flushing |
| CN104329242A (en) * | 2014-09-05 | 2015-02-04 | 胜利油田北方实业集团有限责任公司 | Pipe type oil suction pump |
| CN204646181U (en) * | 2015-04-13 | 2015-09-16 | 周艳 | New pumping unit ball-and-seat |
| CN206522120U (en) * | 2017-03-07 | 2017-09-26 | 杨朝杰 | Solvable Anti-over flow uniform valves |
| CN209603932U (en) * | 2019-01-21 | 2019-11-08 | 松原迈维自动化设备有限责任公司 | A kind of environment-friendly type seepage prevention control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109488252A (en) | 2019-03-19 |
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