CN110159236B - Bridge type concentric constant-pressure intelligent water distributor for water injection well - Google Patents

Bridge type concentric constant-pressure intelligent water distributor for water injection well Download PDF

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Publication number
CN110159236B
CN110159236B CN201910455011.1A CN201910455011A CN110159236B CN 110159236 B CN110159236 B CN 110159236B CN 201910455011 A CN201910455011 A CN 201910455011A CN 110159236 B CN110159236 B CN 110159236B
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water
water distributor
inner cavity
water injection
groove
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CN201910455011.1A
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CN110159236A (en
Inventor
常江
张玉波
吴杰
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Daqing huiboxiang Petroleum Technology Co., Ltd
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DAQING HUAYOU OIL TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CN201910455011.1A priority Critical patent/CN110159236B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/20Displacing by water

Abstract

The invention relates to the technical field of water distributors, and discloses a bridge type concentric constant-pressure intelligent water distributor for a water injection well, which comprises an upper connecting pipe, wherein the bottom of the upper connecting pipe is fixedly provided with a water distributor, the bottom of the water distributor is fixedly provided with a lower connecting pipe, the bottom of the inner cavity of the upper connecting pipe is fixedly sleeved with a sealing ring, one side of the water distributor is provided with a hollow groove, the inner cavity of the hollow groove is fixedly provided with a sensor, the top of the sensor is fixedly connected with a cable, one end of the cable penetrates through the top of the water distributor and extends to the ground, and one end of the cable is fixedly connected with a fixing plate. This a concentric constant voltage intelligence injection mandrel of bridge type for water injection well, through the mutually supporting between water injection pressure gauge, miniature hydraulic pump and the sealing plug, be convenient for better with the water injection different layering in, solved the volume of holding the water injection that can't be accurate at the in-process of water injection, and then lead to the less problem of oil field exploitation oil output, improved the oil output of oil field exploitation.

Description

Bridge type concentric constant-pressure intelligent water distributor for water injection well
Technical Field
The invention relates to the technical field of water distributors, in particular to a bridge type concentric constant-pressure intelligent water distributor for a water injection well.
Background
The oil field is exploited to the well, after the back period, generally adopt to guarantee crude oil output to the mode of stratum water injection or notes polymer displacement of reservoir oil, the water injection well generally divides a plurality of horizons, each layer water injection volume of accurate control is the key of guaranteeing the output, need use intelligent water injection mandrel at the in-process of carrying out the water injection to the oil field, present water injection mandrel is at the volume of the unable accurate assurance water injection of in-process of water injection, and then lead to the oil well oil output less, the pressure numerical value difference of different horizons is simultaneously at the unable effectual control pressure of the in-process of injecting into, lead to water to take place the problem of refluence easily.
Disclosure of Invention
The invention provides a bridge type concentric constant-pressure intelligent water distributor for a water injection well, which solves the problems in the prior art.
The invention provides the following technical scheme: a bridge type concentric constant-pressure intelligent water distributor for a water injection well comprises an upper connecting pipe, wherein a water distributor is fixedly installed at the bottom of the upper connecting pipe, a lower connecting pipe is fixedly installed at the bottom of the water distributor, a sealing ring is fixedly sleeved at the bottom of an inner cavity of the upper connecting pipe, a hollow groove is formed in one side of the water distributor, a sensor is fixedly installed in the inner cavity of the hollow groove, a cable is fixedly connected to the top of the sensor, one end of the cable penetrates through the top of the water distributor and extends to the ground, a fixing plate is fixedly connected to one end of the cable, an operating mechanism located on the ground is fixedly installed at the top of the fixing plate, a communicating groove is formed in the bottom of one side of the inner cavity of the water distributor, a water injection pressure gauge is fixedly installed in the inner cavity of the communicating groove, a first protection groove is formed in the top of the, the water distributor is characterized in that a second protection groove is formed in the bottom of the other side of the water distributor, a downward pressing sensor is fixedly mounted inside the second protection groove, a storage groove located at the top of the downward pressing sensor is formed in the bottom of the other side of the water distributor, a miniature hydraulic pump is fixedly mounted in an inner cavity of the storage groove, a water groove is formed in one side of the water distributor, a drain hole is formed in one side of the water distributor, a filter plate is fixedly sleeved in the inner cavity of the drain hole, a telescopic rod is fixedly mounted at the top of the miniature hydraulic pump, one end of the telescopic rod extends to the inner cavity of the water groove and is fixedly sleeved with a sealing plug, and.
Preferably, the inner diameter value of the upper connecting pipe is equal to the diameter value of the inner cavity of the water distributor, and the diameter value of the inner cavity of the water distributor is equal to the diameter value of the inner cavity of the lower connecting pipe.
Preferably, the outer surface of the cable is provided with an anticorrosive layer, and the thickness value of the anticorrosive layer is about two millimeters.
Preferably, the inside of the first protection groove is the same as the inside of the second protection groove, and the inner diameter value of the first protection groove is greater than the outer diameter values of the upper pressure sensor and the lower pressure sensor respectively.
Preferably, the outer diameter of the filter plate is equal to the inner diameter of the drain hole, and the thickness of the filter plate is about three millimeters.
Preferably, the width value of the sealing plug is matched with the width value of the inner cavity of the water tank, and the length value of the sealing plug is larger than the height value of the water inlet hole.
The invention has the following beneficial effects:
1. this a concentric constant voltage intelligence injection mandrel of bridge type for water injection well, through the mutually supporting between water injection pressure gauge, miniature hydraulic pump and the sealing plug, be convenient for better with the water injection different layering in, solved the volume of holding the water injection that can't be accurate at the in-process of water injection, and then lead to the less problem of oil field exploitation oil output, improved the oil output of oil field exploitation.
2. This a concentric constant voltage intelligence injection mandrel of bridge type for water injection well, through sensor, operating device, go up and press the inductor and press down mutually supporting between the inductor, the pressure index of the different layering of measurement of being convenient for, the pressure numerical value difference of having solved different layering is at the unable effectual control pressure of the in-process of injection, leads to the water injection to take place the problem of refluence easily, stability when having improved the water injection.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic view of the structural inlet opening of the present invention;
FIG. 3 is an enlarged view of the structure A of the present invention;
fig. 4 is an enlarged view of the structure B of the present invention.
In the figure: 1. an upper connecting pipe; 2. a water distributor; 3. a lower connecting pipe; 4. a seal ring; 5. a hollow groove; 6. a sensor; 7. a cable; 8. a fixing plate; 9. an operating mechanism; 10. a communicating groove; 11. a water injection pressure device; 12. a first guard tank; 13. an upper pressure sensor; 14. a second guard tank; 15. pressing down the inductor; 16. a storage groove; 17. a micro hydraulic pump; 18. a water tank; 19. a drain hole; 20. filtering the plate; 21. a telescopic rod; 22. a sealing plug; 23. a water inlet hole.
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.
As shown in fig. 1, a bridge type concentric constant pressure intelligent water distributor for a water injection well comprises an upper connection pipe 1, a water distributor 2 is fixedly installed at the bottom of the upper connection pipe 1, a lower connection pipe 3 is fixedly installed at the bottom of the water distributor 2, a sealing ring 4 is fixedly sleeved at the bottom of an inner cavity of the upper connection pipe 1, a hollow groove 5 is formed in one side of the water distributor 2, a sensor 6 is fixedly installed in the inner cavity of the hollow groove 5, a cable 7 is fixedly connected to the top of the sensor 6, one end of the cable 7 penetrates through the top of the water distributor 2 and extends to the ground, a fixing plate 8 is fixedly connected to one end of the cable 7, an operating mechanism 9 located on the ground is fixedly installed at the top of the fixing plate 8, a communicating groove 10 is formed in the bottom of one side of the inner cavity of the water distributor 2, a water injection pressure gauge 11 is fixedly installed in the, an upper pressure sensor 13 is fixedly mounted inside the first protection groove 12, a second protection groove 14 is formed in the bottom of the other side of the water distributor 2, a lower pressure sensor 15 is fixedly mounted inside the second protection groove 14, an object placing groove 16 located at the top of the lower pressure sensor 15 is formed in the bottom of the other side of the water distributor 2, a micro hydraulic pump 17 is fixedly mounted in an inner cavity of the object placing groove 16, a water groove 18 is formed in one side of the water distributor 2, a water drainage hole 19 is formed in one side of the water distributor 2, a filter plate 20 is fixedly sleeved in an inner cavity of the water drainage hole 19, a telescopic rod 21 is fixedly mounted at the top of the micro hydraulic pump 17, one end of the telescopic rod 21 extends to the inner cavity of the water groove 18 and is fixedly sleeved with a sealing plug 22, and as shown in fig. 2.
Wherein, the internal diameter value of the upper connecting pipe 1 is equal to the diameter value of the inner cavity of the water distributor 2, and the diameter value of the inner cavity of the water distributor 2 is equal to the diameter value of the inner cavity of the lower connecting pipe 3, thereby being convenient for better realizing the water injection effect.
Wherein, the surface of cable 7 is equipped with one deck anticorrosive coating, and the thickness value of anticorrosive coating is about two millimeters, and the better protection cable 7 of being convenient for does not receive the damage.
Wherein, the inside of first protective groove 12 is the same with the inside of second protective groove 14, and the internal diameter value of first protective groove 12 is greater than last pressure inductor 13 and pushes down the external diameter value of inductor 15 respectively, has realized pushing up pressure inductor 13 and pushing down inductor 15 fixed mounting in the inside of first protective groove 12 and second protective groove 14, has reached better protective effect.
The outer diameter of the filter plate 20 is equal to the inner diameter of the drain hole 19, and the thickness of the filter plate 20 is about three millimeters, which is convenient for preventing external impurities from entering the water tank 18.
As shown in fig. 2, the width of the sealing plug 22 is adapted to the width of the inner cavity of the water tank 18, and the length of the sealing plug 22 is greater than the height of the water inlet 23, so as to facilitate better sealing of the water inlet 23.
The theory of operation, at first stretch into the inside of water injection well with water injection mandrel 2, then go up pressure inductor 13 and push down the inside that inductor 15 will react and convey the pressure numerical value to sensor 6, sensor 6 passes through the inside of cable 7 transmission value operating device 9 with numerical value and shows simultaneously, operate by the staff afterwards, up take over the inside of 1 and carry out the water injection, and through the cooperation of water injection pressure ware 11, miniature hydraulic pump 17 and sealing plug 22 inside water injection mandrel 2 for different water yield pours into different layers into respectively.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a concentric constant voltage intelligence water injection mandrel of bridge type for water injection well, includes and takes over (1), its characterized in that: the water distributor is characterized in that a water distributor (2) is fixedly installed at the bottom of the upper connecting pipe (1), a lower connecting pipe (3) is fixedly installed at the bottom of the water distributor (2), a sealing ring (4) is fixedly sleeved at the bottom of an inner cavity of the upper connecting pipe (1), a hollow groove (5) is formed in one side of the water distributor (2), a sensor (6) is fixedly installed in the inner cavity of the hollow groove (5), a cable (7) is fixedly connected to the top of the sensor (6), one end of the cable (7) penetrates through the top of the water distributor (2) and extends to the ground, a fixing plate (8) is fixedly connected to one end of the cable (7), an operating mechanism (9) located on the ground is fixedly installed at the top of the fixing plate (8), a communicating groove (10) is formed in the bottom of one side of the inner cavity of the water distributor (2), and a water injection pressure, the water distributor is characterized in that a first protection groove (12) is formed in the top of the other side of the water distributor (2), an upper pressure inductor (13) is fixedly installed inside the first protection groove (12), a second protection groove (14) is formed in the bottom of the other side of the water distributor (2), a lower pressure inductor (15) is fixedly installed inside the second protection groove (14), a storage groove (16) located at the top of the lower pressure inductor (15) is formed in the bottom of the other side of the water distributor (2), a micro hydraulic pump (17) is fixedly installed in the inner cavity of the storage groove (16), a water groove (18) is formed in one side of the water distributor (2), a drain hole (19) is formed in one side of the water distributor (2), a filter plate (20) is fixedly sleeved in the inner cavity of the drain hole (19), a telescopic rod (21) is fixedly installed at the top of the micro hydraulic pump (17), one end of the telescopic rod (21) extends to the inner cavity of the water groove (18, the top of one side of the water distributor (2) is provided with a water inlet hole (23).
2. The bridge type concentric constant pressure intelligent water distributor for water injection well according to claim 1, characterized in that: the inner diameter value of the upper connecting pipe (1) is equal to the diameter value of the inner cavity of the water distributor (2), and the diameter value of the inner cavity of the water distributor (2) is equal to the diameter value of the inner cavity of the lower connecting pipe (3).
3. The bridge type concentric constant pressure intelligent water distributor for water injection well according to claim 1, characterized in that: the outer surface of the cable (7) is provided with an anticorrosive coating, and the thickness value of the anticorrosive coating is two millimeters.
4. The bridge type concentric constant pressure intelligent water distributor for water injection well according to claim 1, characterized in that: the inside of the first protection groove (12) is the same as that of the second protection groove (14), and the inner diameter value of the first protection groove (12) is larger than the outer diameter values of the upper pressure sensor (13) and the lower pressure sensor (15).
5. The bridge type concentric constant pressure intelligent water distributor for water injection well according to claim 1, characterized in that: the outer diameter value of the filter plate (20) is equal to the inner diameter value of the drain hole (19), and the thickness value of the filter plate (20) is three millimeters.
6. The bridge type concentric constant pressure intelligent water distributor for water injection well according to claim 1, characterized in that: the width value of the sealing plug (22) is matched with the width value of the inner cavity of the water tank (18), and the length value of the sealing plug (22) is larger than the height value of the water inlet hole (23).
CN201910455011.1A 2019-05-29 2019-05-29 Bridge type concentric constant-pressure intelligent water distributor for water injection well Active CN110159236B (en)

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Publication number Priority date Publication date Assignee Title
CN114542032A (en) * 2022-02-25 2022-05-27 北京奥依尔技术开发有限公司 Layered flow monitoring device and method for oilfield water injection well

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CN103114841A (en) * 2013-02-01 2013-05-22 中国石油天然气股份有限公司 Bridge type concentric directly-reading testing and regulating meter
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CN206038300U (en) * 2016-08-30 2017-03-22 西安思坦仪器股份有限公司 Test with one heart and seal measure and regulate appearance
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Effective date of registration: 20200828

Address after: No.1 incubator 5-704 of 163000 science and technology incubator phase I project of Daqing high tech Zone, Heilongjiang Province

Patentee after: Daqing huiboxiang Petroleum Technology Co., Ltd

Address before: 163000 office building 11, E area 1, Olin, Residence Internazionale, Daqing, Heilongjiang.

Patentee before: DAQING HUAYOU PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd.