CN111021987B - Three-way oil well multi-channel combination valve - Google Patents
Three-way oil well multi-channel combination valve Download PDFInfo
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- CN111021987B CN111021987B CN202010025303.4A CN202010025303A CN111021987B CN 111021987 B CN111021987 B CN 111021987B CN 202010025303 A CN202010025303 A CN 202010025303A CN 111021987 B CN111021987 B CN 111021987B
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- valve
- water mixing
- pipe
- oil return
- oil
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Abstract
The invention provides a three-way oil well multi-channel combination valve, relating to the technical field of oil exploitation.A valve block is internally provided with an oil channel, a water mixing channel, an oil return manifold and an oil return vertical pipe, the oil channel and the oil return output pipe are sequentially communicated, a water inlet, a well washing water outlet and a water mixing outlet are arranged on the water mixing channel, a water inlet pipe is fixedly connected and communicated with the water inlet, a water mixing control main valve which is a ball valve is arranged on the water inlet pipe, two ends of a water mixing vertical pipe are respectively communicated with the water mixing channel and an oil return manifold and communicated with the water mixing vertical pipe, a first water mixing valve is arranged on the water mixing vertical pipe, a sleeve connecting pipe is fixedly connected and communicated with the well washing water outlet, a well washing water control valve which is a ball valve is arranged on the well washing water outlet, the water mixing outlet is communicated with the oil channel, a second water mixing valve which is a ball valve is arranged on the water mixing outlet, a water mixing channel cleaning port is arranged on a. In the invention, the second water mixing valve and the water mixing channel cleaning port are arranged, so that the oil or water can smoothly flow, and the ball valve is adopted, so that the valve can be quickly opened and closed.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to a three-way oil well multi-channel combination valve.
Background
In the prior art, a well head combination valve of a three-drive oil production well mostly uses a combination valve body of a water-drive oil production well, has a series of problems and is difficult to meet the production requirement, firstly, the channel caliber of the combination valve is small, and the viscosity of the produced liquid is large, so that the flow resistance of the produced liquid is large, and the oil production of a single well is influenced; secondly, a flow blocking object, namely a support sleeve, exists in a channel of the combined valve, so that scaling is easy to form in production, and the flow aperture is further reduced; the third, the control valve is mostly the screwed valve, and switching speed is slow, inefficiency, moreover because of the time that needs when carrying out the on-off operation to the control valve is long, long-time friction seal packing, damages sealed packing easily, leads to the seepage, influences production.
Disclosure of Invention
The invention aims to provide a three-way oil well multi-channel combination valve, which solves the problems in the prior art, reduces the flow resistance of produced fluid, improves the opening and closing efficiency of a control valve and is not easy to leak.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a three-way oil well multi-channel combination valve which comprises a valve block, an oil return manifold, an oil return vertical pipe, an oil return control valve, an oil return output pipe, a water inlet pipe, a water mixing control main valve, a water mixing vertical pipe and a casing connecting pipe, wherein the oil return manifold is used for being connected with an oil pipe, the casing connecting pipe is used for being connected with a casing, one end of the oil return vertical pipe is fixedly connected with the oil return manifold, an oil channel is arranged in the valve block, the other end of the oil return vertical pipe is fixedly connected with an inlet of the oil channel, one end of the oil return output pipe is fixedly connected with an outlet of the oil channel, the other end of the oil return output pipe is used for being connected with a oil return pipeline, the oil return control valve is arranged on the oil return output pipe, a water mixing channel is arranged in the valve block, a water inlet, a well washing water outlet and a water, the other end of the water inlet pipe is fixedly connected with the water inlet, a watering control main valve is arranged on the water inlet pipe, one end of a watering vertical pipe is communicated with a watering channel, the other end of the watering vertical pipe is fixedly connected with an oil return manifold, a first watering valve is arranged on the watering vertical pipe, one end of a casing pipe connecting pipe is fixedly connected with a well washing water outlet, a well washing water control valve is arranged on the well washing water outlet, the watering outlet is communicated with an oil channel, a second watering valve is arranged on the watering outlet, a watering channel cleaning port is arranged on a valve block, a first plug is arranged on the watering channel cleaning port, the first plug is detachably connected with the watering channel cleaning port, and the oil return control valve, the watering control main valve and the well washing valve are ball valves.
Preferably, an air passage is arranged in the valve block, one end of the air passage is communicated with the sleeve connecting pipe, the other end of the air passage is communicated with the oil passage, and a constant-pressure air release valve is arranged on the valve block and used for controlling the on-off of the air passage.
Preferably, be equipped with the cover of getting on the valve piece and press the valve, get the cover press the valve with the gas passage intercommunication, along the gas flow direction, it establishes to get the cover press the valve before the constant pressure bleed valve.
Preferably, be provided with the pressure valve on the oil return header, the pressure valve is used for measuring the pressure of oil return header.
Preferably, a sampling valve is arranged on the oil return header.
Preferably, the first plug is in threaded connection with the water mixing channel cleaning opening.
Preferably, the fixed first connector that is provided with on the oil return header, first connector is used for being connected with oil pipe, the last fixed second connector that is provided with of casing connecting pipe, the second connector be used for with sheathed tube be connected.
Preferably, be equipped with the second end cap on the oil return output tube, be equipped with the third end cap on the inlet tube, the second end cap with the connection can be dismantled to the oil return output tube, the third end cap with the connection can be dismantled to the inlet tube.
Compared with the prior art, the invention has the following technical effects:
the invention provides a three-way oil well multi-channel combination valve, wherein a water mixing outlet is communicated with an oil channel, a second water mixing valve is arranged on the water mixing outlet, a support or anti-corrosion structure is not required to be arranged in the oil channel, the second water mixing valve can be opened to mix water into an oil return output pipe and clean the oil channel, so that the oil channel is not easy to scale or corrode, a water mixing channel cleaning opening is arranged on a valve block, a first plug is arranged on the water mixing channel cleaning opening and is detachably connected with the water mixing channel cleaning opening, a scale or support prevention structure is not required, the enough caliber of the water mixing channel is ensured, the water mixing channel is convenient to clean, the pressure rise phenomenon caused by the blocked circulation is prevented, the oil return control valve, the water mixing control main valve, the well washing valve and the second water mixing valve are all ball valves, the opening and closing of the ball valves are simple, convenient and rapid, and the opening and closing of the oil return control valve are greatly improved, The efficiency of closing the valve, only need rotate 90 degrees in addition can accomplish the operation of opening the valve or the pipe valve, the sealing member on the valve is difficult wearing and tearing, and the life-span is longer, is difficult because of the leakage phenomenon that takes place for the sealing member wearing and tearing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a three-way oil well multi-channel combination valve provided by the invention;
FIG. 2 is a schematic diagram of the internal structure of the triple-well multi-channel combination valve provided by the invention.
In the figure: 1-a valve block; 2-return oil header; 3-oil return vertical pipe; 4-return oil control valve; 5-an oil return output pipe; 6-water inlet pipe; 7-watering control main valve; 8-watering vertical pipe; 9-casing connection pipe; 11-a water inlet; 12-a well-flushing water outlet; 13-a water mixing outlet; 14-a well-flushing water control valve; 15-a second water mixing valve; 16-a first watering valve; 17-return line; 18-a water inlet line; 19-a first plug; 20-constant pressure air release valve; 21-a sleeve pressure valve is taken; 22-a pressure-taking valve; 23-a first connector; 24-a second plug; 25-third plug; 26-a sampling valve; 27-a second connection head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a three-way oil well multi-channel combination valve, which solves the problems in the prior art, reduces the flow resistance of produced fluid, improves the opening and closing efficiency of a control valve and is not easy to leak.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a three-way oil well multi-channel combination valve, as shown in figures 1-2, in the embodiment, the three-way oil well multi-channel combination valve comprises a valve block 1, an oil return manifold 2, an oil return vertical pipe 3, an oil return control valve 4, an oil return output pipe 5, a water inlet pipe 6, a water mixing control main valve 7, a water mixing vertical pipe 8 and a casing connecting pipe 9, wherein the oil return manifold 2 is used for being connected with an oil outlet pipe of an oil well, the casing connecting pipe 9 is used for being connected with a casing, one end of the oil return vertical pipe 3 is fixedly connected and communicated with the oil return manifold 2, an oil channel is arranged in the valve block 1, one end of the oil return output pipe 5 is fixedly connected with an outlet of the oil channel, the other end of the oil return output pipe 5 is used for being connected with the oil return pipe 17, the oil return output pipe 5 is communicated with the oil return pipeline 17, the oil return control, A well washing water outlet 12 and a water mixing outlet 13, wherein one end of a water inlet pipe 11 is used for connecting a water inlet pipeline 18, the other end of the water inlet pipe 6 is fixedly connected and communicated with a water inlet 11, a water mixing control main valve 7 is arranged on the water inlet pipe 6, one end of a water mixing vertical pipe 8 is communicated with a water mixing channel, the other end of the water mixing vertical pipe 8 is fixedly connected and communicated with an oil return manifold 2, a first water mixing valve 16 is arranged on the water mixing vertical pipe 8, one end of a casing connecting pipe 9 is fixedly connected with the well washing water outlet 12, the other end of the casing connecting pipe is used for being connected with a casing pipe under the well, a well washing water control valve 14 is arranged on the well washing water outlet 12, the water mixing outlet 13 is communicated with an oil channel, a second water mixing valve 15 is arranged on the water mixing outlet 13, a supporting or anti-corrosion structure is not required to be arranged in the oil channel, the water mixing valve 15 can, the valve block 1 is provided with a water mixing channel cleaning opening, the water mixing channel cleaning opening is provided with a first plug 19, the first plug 19 is detachably connected with the water mixing channel cleaning opening, an anti-scaling device is not required to be arranged, the enough caliber of the water mixing channel is ensured, the water mixing channel is convenient to clean, the phenomenon of pressure rise caused by blocked circulation is prevented, the oil return control valve 4, the water mixing control main valve 7, the well washing water control valve 14 and the second water mixing valve 15 are ball valves, the ball valves are easy, convenient and rapid to open and close, the valve opening and closing efficiency can be greatly improved, the valve opening or valve closing operation can be completed only by rotating 90 degrees, sealing elements on the valves are not prone to abrasion, the service life is long, and the leakage phenomenon caused by abrasion of the sealing elements is not prone to occur.
Further, be equipped with the gas passage on the valve block 1, the one end and the bushing pipe 9 intercommunication of gas passage, the other end and the oil passageway intercommunication of gas passage, be equipped with level pressure bleed valve 20 on the valve block, level pressure bleed valve 20 is used for controlling the break-make of gas passage, the intraductal gas of sleeve can cause the pollution to the environment, can not directly discharge, when the casing pressure surpasses the opening set value that reaches pressure bleed valve, level pressure bleed valve 20 opens, make the sleeve pipe and return oil output tube 5 communicate, the intraductal gas of sleeve discharges and gets into in return oil output tube 5, flow along with the crude oil of oil well output, follow-up recovery or processing again, when casing pressure reduces to being less than the opening value of level pressure bleed valve 20, level pressure bleed valve 20 closes, make difficult because of casing pressure is too high influences out oil.
Further, be equipped with on the valve piece 1 and get set pressure valve 21, get set pressure valve 21 and gas channel intercommunication, along the gas flow direction, get set pressure valve 21 and establish before level pressure bleed valve 20, connect pressure measurement equipment and open and get set pressure valve 21 and can measure the casing pressure behind getting set pressure valve 21, be convenient for monitor the casing pressure at any time, keep certain casing pressure to be favorable to improving the output of oil well.
Furthermore, a pressure taking valve 22 is arranged on the oil return header 2, and the pressure taking valve 22 is used for measuring the pressure of the oil return header, so that the working condition of the oil well can be judged conveniently by monitoring the oil outlet pressure.
Furthermore, the return oil header 2 is provided with a sampling valve 26, the sampling is performed after the first water mixing valve 16 is closed, the sampling valve 26 is arranged to facilitate the extraction of the oil sample, the analysis and the determination of various numerical values of the crude oil are performed, the second water mixing valve 15 is opened while the first water mixing valve 16 is closed, the water mixing operation can be continued, and the influence of the sampling on the oil extraction operation can be greatly reduced.
Furthermore, the first plug 19 is in threaded connection with the water mixing channel cleaning opening, and threads of the first plug 19 and the water mixing channel cleaning opening are fine threads, so that the sealing performance is good, and leakage is not easy to occur.
Further, fixed first connector 23 that is provided with on the oil return header 2, first connector 23 is used for being connected with oil pipe, the fixed second connector that is provided with on the casing connecting pipe 9, the second connector be used for with bushing, all have fixture on first connector 23 and the second connector, guarantee all to seal between oil return header 2 and the oil pipe, casing connecting pipe 9 and the sleeve pipe and be connected, prevent the seepage, the dismouting between convenient combination valve and the oil well moreover.
Further, be equipped with second end cap 24 on the oil return output tube 5, be equipped with third end cap 25 on the inlet tube 6, second end cap 24 can be dismantled with oil return output tube 5 and be connected, third end cap 25 can be dismantled with inlet tube 6 and be connected, the combination valve during operation, second end cap 25 can shutoff oil return output tube 5, third end cap can shutoff inlet tube 6, when needing to be clean, it can wash oil return output tube 5 and oil passageway to pull down second end cap 24, prevent the scale deposit, guarantee the unblocked of oil passageway and oil return output tube 5, and make oil passageway and oil return output tube 5 be difficult for being corroded by crude oil, it can clean inlet tube 6 to pull down third end cap 25, prevent the scale deposit, guarantee the unblocked of inlet tube 6.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A three-way oil well multi-channel combination valve is characterized in that: the oil return control valve comprises a valve block, an oil return header pipe, an oil return vertical pipe, an oil return control valve, an oil return output pipe, a water inlet pipe, a water mixing control main valve, a water mixing vertical pipe and a casing connecting pipe, wherein the oil return header pipe is used for being connected with an oil pipe, the casing connecting pipe is used for being connected with a casing, one end of the oil return vertical pipe is fixedly connected with the oil return header pipe, an oil passage is arranged in the valve block, the other end of the oil return vertical pipe is fixedly connected with an inlet of the oil passage, one end of the oil return output pipe is fixedly connected with an outlet of the oil passage, the other end of the oil return output pipe is used for being connected with the oil return pipe, the oil return control valve is arranged on the oil return output pipe, a water mixing passage is arranged in the valve block, a water inlet, a well washing water outlet and a water mixing outlet are arranged on, the water mixing control system is characterized in that the water inlet pipe is provided with the water mixing control main valve, one end of the water mixing vertical pipe is communicated with the water mixing channel, the other end of the water mixing vertical pipe is fixedly connected with the oil return manifold, the water mixing vertical pipe is provided with a first water mixing valve, one end of the casing connecting pipe is fixedly connected with the well washing water outlet, the well washing water outlet is provided with a well washing control valve, the water mixing outlet is communicated with the oil channel, the water mixing outlet is provided with a second water mixing valve, the valve block is provided with a water mixing channel cleaning port, the water mixing channel cleaning port is provided with a first water control plug, the first water control plug is detachably connected with the water mixing channel cleaning port, and the oil return control valve, the water mixing control main valve, the well washing valve and the second water mixing valve are ball valves.
2. The triple well multi-channel combination valve of claim 1, wherein: the oil pipe is characterized in that an air passage is arranged in the valve block, one end of the air passage is communicated with the sleeve connecting pipe, the other end of the air passage is communicated with the oil passage, a constant-pressure air release valve is arranged on the valve block, and the constant-pressure air release valve is used for controlling the on-off of the air passage.
3. The triple well multi-channel combination valve of claim 2, wherein: be equipped with on the valve piece and get set and press the valve end cap, it is equipped with on the valve end cap and gets set and press the valve to get set, get set press the valve with gas passage intercommunication, along the gas flow direction, it establishes to get set press the valve before the constant pressure bleed valve.
4. The triple well multi-channel combination valve of claim 1, wherein: be provided with the pressure valve end cap on the oil return header, be equipped with the pressure valve on the pressure valve end cap, the pressure valve end cap with the connection can be dismantled to the pressure valve, the pressure valve is used for measuring the pressure of oil return header.
5. The triple well multi-channel combination valve of claim 1, wherein: and a sampling valve is arranged on the oil return header.
6. The triple well multi-channel combination valve of claim 1, wherein: the first plug is in threaded connection with the water mixing channel cleaning opening.
7. The triple well multi-channel combination valve of claim 1, wherein: the oil return manifold is fixedly provided with a first connector, the first connector is used for being connected with an oil pipe, a second connector is fixedly arranged on the casing pipe connecting pipe, and the second connector is used for being connected with a casing pipe.
8. The triple well multi-channel combination valve of claim 1, wherein: the oil return device is characterized in that a second plug is arranged on the oil return output pipe, a third plug is arranged on the water inlet pipe, the second plug is detachably connected with the oil return output pipe, and the third plug is detachably connected with the water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025303.4A CN111021987B (en) | 2020-01-10 | 2020-01-10 | Three-way oil well multi-channel combination valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025303.4A CN111021987B (en) | 2020-01-10 | 2020-01-10 | Three-way oil well multi-channel combination valve |
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| CN111021987A CN111021987A (en) | 2020-04-17 |
| CN111021987B true CN111021987B (en) | 2020-08-14 |
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| CN202010025303.4A Active CN111021987B (en) | 2020-01-10 | 2020-01-10 | Three-way oil well multi-channel combination valve |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187426B (en) * | 2021-06-01 | 2022-01-04 | 大庆百世圣科石油科技有限公司 | Annular wellhead flow device |
| CN113202447B (en) * | 2021-06-21 | 2021-12-28 | 大庆亿源石油科技开发有限公司 | Water-mixing flow combined wellhead device |
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| CN2828306Y (en) * | 2005-08-19 | 2006-10-18 | 王玉钢 | Multipurpose combined valve for oil well head |
| CN201187273Y (en) * | 2008-04-02 | 2009-01-28 | 夏立群 | Well head composite device for adjusting electric pump well flow |
| CN201826810U (en) * | 2010-10-29 | 2011-05-11 | 尹凤芝 | Double-barrelled watering process combination device |
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| CN204175265U (en) * | 2014-10-27 | 2015-02-25 | 齐齐哈尔市宏城机械制造有限公司 | Ternary extraction well special combination well head |
| CN106869857A (en) * | 2017-04-26 | 2017-06-20 | 徐占有 | A kind of oil field defeated technological process valve group of freezing-proof theft-proof watering gathering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9062536B2 (en) * | 2013-01-02 | 2015-06-23 | Graco Minnesota Inc. | Devices and methods for landfill gas well monitoring and control |
| US11162328B2 (en) * | 2018-02-09 | 2021-11-02 | Manuel Rodriguez | Oilfield chemical injection system and method of use |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2534361Y (en) * | 2002-04-02 | 2003-02-05 | 大庆展望科技有限公司 | Oil field wallhead adulterating water process assembling apparatus |
| CN2594455Y (en) * | 2002-12-23 | 2003-12-24 | 林冬民 | Double-pipe device of oil well hole top |
| CN2828306Y (en) * | 2005-08-19 | 2006-10-18 | 王玉钢 | Multipurpose combined valve for oil well head |
| CN201187273Y (en) * | 2008-04-02 | 2009-01-28 | 夏立群 | Well head composite device for adjusting electric pump well flow |
| CN201826810U (en) * | 2010-10-29 | 2011-05-11 | 尹凤芝 | Double-barrelled watering process combination device |
| CN203145893U (en) * | 2013-04-15 | 2013-08-21 | 佟立福 | Watering combination valve used on mouth of producing well |
| CN204175265U (en) * | 2014-10-27 | 2015-02-25 | 齐齐哈尔市宏城机械制造有限公司 | Ternary extraction well special combination well head |
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| CN111021987A (en) | 2020-04-17 |
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Effective date of registration: 20221028 Address after: 163000 rooms 705 and 707, workshop D-1, Zone D, Service Outsourcing Industrial Park, No. 8, Xinfeng Road, high tech Zone, Daqing City, Heilongjiang Province Patentee after: Daqing jinhaida Petroleum Technology Co.,Ltd. Address before: 157000 Shengli village, Xinglong Town, Dong'an District, Mudanjiang City, Heilongjiang Province Patentee before: MUDANJIANG TIANQING PETROLEUM MACHINERY EQUIPMENT Co.,Ltd. |
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