CN113356811A - Oil well is with joining in marriage notes ware in pit - Google Patents
Oil well is with joining in marriage notes ware in pit Download PDFInfo
- Publication number
- CN113356811A CN113356811A CN202110645945.9A CN202110645945A CN113356811A CN 113356811 A CN113356811 A CN 113356811A CN 202110645945 A CN202110645945 A CN 202110645945A CN 113356811 A CN113356811 A CN 113356811A
- Authority
- CN
- China
- Prior art keywords
- oil well
- fixedly connected
- pipe body
- backflow
- left end
- 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.)
- Pending
Links
- 239000003129 oil well Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000002347 injection Methods 0.000 claims abstract description 34
- 239000007924 injection Substances 0.000 claims abstract description 34
- 210000005239 tubule Anatomy 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- 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
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an oil well underground injection allocation device, which relates to the technical field of oil well injection allocation devices, and particularly relates to an oil well underground injection allocation device. This oil well is in pit with joining in marriage notes ware sets up the block through the outside at the tubule body, blocks up the water inlet with the block earlier, when needs water injection, utilizes servo motor to drive the lead screw and rotates, makes the block move left along the lead screw, opens the water inlet and carries out the water injection, conveniently controls the switch of joining in marriage the notes ware, makes the joining in marriage notes ware of different levels can carry out the water injection alone.
Description
Technical Field
The invention relates to the technical field of oil well injection allocation devices, in particular to an oil well injection allocation device used in the underground.
Background
In order to make the oil field continuously produce with high and stable yield and improve the final recovery ratio of the oil field, many oil fields at home and abroad adopt a method of injecting water into oil layers to keep the formation pressure so as to improve the recovery ratio of an oil well, an injection allocation device is a special downhole tool for carrying out quantitative water injection on each oil layer during zonal water injection, and a water injection well distributes water injection quantity according to the properties of the oil layers of different intervals according to the requirements of the surrounding oil wells on the water injection quantity.
The existing injection allocation device needs to drive an adjusting claw through a cable to control the switch of the injection allocation device, a large amount of manpower and material resources can be consumed in each operation, and if the injection allocation device performs water injection, oil can enter the inside of the injection allocation device if backflow occurs, so that an injection allocation pipeline is easily blocked and damaged, and the injection allocation device for the underground oil well is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an oil well downhole injection allocation device, which solves the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an oil well is with joining in marriage notes ware in pit, includes outer body, the inside of outer body is provided with interior body, the outer fixed surface of interior body is connected with the delivery port, the left side fixedly connected with tubule body of interior body, the water inlet has been seted up to the surface of tubule body, the block has been cup jointed in the outside activity of tubule body, the left end of block is coniform, the outside of block is provided with PE anti-corrosion coating, the inside of interior body is provided with the guide pillar, the left end fixedly connected with piston head of guide pillar, the outside fixed cover of guide pillar has cup jointed the separation blade, the right side of separation blade is provided with reset spring, reset spring's right-hand member fixed mounting is in the inside of interior body.
Optionally, a first connector is arranged at the left end of the outer tube, a second connector is arranged at the right end of the outer tube, and the inner tube and the outer tube are on the same central line.
Optionally, the number of the water outlets is four and is distributed symmetrically about the center of the inner pipe body, the water outlets are fixedly connected with the inner wall of the outer pipe body, and the water outlets are communicated with the outside of the outer pipe body.
Optionally, the left end of the thin tube body is fixedly connected with a servo motor, the left end of the servo motor is fixedly connected with a lead screw, the inner portion of the cap is fixedly connected with a threaded sleeve, and the lead screw is sleeved in the threaded sleeve in a threaded manner.
Optionally, the outside fixedly connected with stopper of thread bush, the stopper is the cross, the spacing groove has been seted up to the left end of tubule body, the stopper joint is in the spacing groove.
Optionally, the blocking piece is movably sleeved inside the inner pipe body, the blocking piece is located on the right side of the water outlet, and the return spring is movably sleeved outside the inner pipe body.
Optionally, the outer portion of the inner tube body is fixedly sleeved with anti-backflow tiles, the anti-backflow tiles are located between the piston head and the blocking piece, the anti-backflow tiles are of umbrella-shaped structures, and the anti-backflow tiles are distributed at three equal intervals.
Optionally, the right end of the inner tube body is fixedly connected with a guide sleeve, and the right end of the guide pillar is movably sleeved inside the guide sleeve.
The invention provides an oil well downhole injection allocation device which has the following beneficial effects:
1. this oil well is in pit with joining in marriage notes ware sets up the block through the outside at the tubule body, blocks up the water inlet with the block earlier, when needs water injection, utilizes servo motor to drive the lead screw and rotates, makes the block move left along the lead screw, opens the water inlet and carries out the water injection, conveniently controls the switch of joining in marriage the notes ware, makes the joining in marriage notes ware of different levels can carry out the water injection alone.
2. This oil well is in pit with joining in marriage notes ware designs into coniform through the left end with the block, can reduce rivers to the impact force of block, avoids the block to be damaged by the rivers impact, and the outside PE anti-corrosion coating of block has improved the corrosion resisting property of block simultaneously, avoids the block to take place to corrode at the in-process of long-time use, has improved the life of block.
3. According to the oil well downhole injection allocation device, the piston head is arranged in the inner pipe body, when water enters, water flow pushes the piston head to move rightwards, the inner part of the inner pipe body is opened, water flow flows out of the water outlet, when backflow occurs, the pushing force of the water flow on the piston head is reduced, the guide pillar moves leftwards under the pushing of the reset spring, the left end of the inner pipe body is closed, and therefore backflow of the water flow is prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the inner tube body of the present invention;
FIG. 3 is a schematic view of the inner tube cap of the present invention in an open configuration;
FIG. 4 is a schematic view of the inner side of the cap of the present invention;
fig. 5 is a schematic structural view of the inner tube of the present invention.
In the figure: 1. an outer tubular body; 2. a first connecting port; 3. a second connecting port; 4. an inner tube body; 41. a capillary body; 5. a water outlet; 6. a water inlet; 7. a servo motor; 8. a lead screw; 9. capping; 10. a threaded sleeve; 11. a limiting block; 12. a PE anti-corrosion layer; 13. a limiting groove; 14. a guide post; 15. a piston head; 16. a baffle plate; 17. a return spring; 18. anti-backflow tiles; 19. and (4) guiding a sleeve.
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.
Referring to fig. 1 to 5, the present invention provides a technical solution: an oil well is used in the DH and allocates the injection apparatus, including the outer body 1, the left end of the outer body 1 has interface I2, the right end of the outer body 1 has interface II 3, there are inner bodies 4 in the outer body 1, inner body 4 and outer body 1 are on the identity central line, the external surface of the inner body 4 is fixedly connected with the delivery port 5, the inner body 4 is connected with the inner wall of the outer body 1 together through the delivery port 5, there are intervals used for the water current to circulate right between outer body 1 and the inner body 4, the quantity of the delivery port 5 has four and is distributed symmetrically about the centre of the inner body 4, the delivery port 5 is fixedly connected with the inner wall of the outer body 1 together, the delivery port 5 communicates with the outside of the outer body 1, the left side tubule of the inner body 4 is fixedly connected with the thin tube body 41, the external surface of the body 41 has water inlets 6, the external activity of the thin tube body 41 has been cup jointed with the cap 9, through setting up the cap 9 in the outside of the thin tube body 41, firstly, a water inlet 6 is blocked by a cover cap 9, when water is needed to be injected, a servo motor 7 is utilized to drive a lead screw 8 to rotate, the cover cap 9 moves leftwards along the lead screw 8, the water inlet 6 is opened for water injection, the opening and closing of an injection allocation device are conveniently controlled, the injection allocation devices at different levels can independently inject water, the left end of the cover cap 9 is conical, the impact force of water flow on the cover cap 9 can be reduced by designing the left end of the cover cap 9 to be conical, the cover cap 9 is prevented from being damaged by the impact of the water flow, the servo motor 7 is fixedly connected with the left end of a thin tube body 41, the lead screw 8 is fixedly connected with the left end of the servo motor 7, a threaded sleeve 10 is fixedly connected with the inside of the cover cap 9, the lead screw 8 is in threaded sleeve 10, a limiting block 11 is fixedly connected with the outside of the threaded sleeve 10, the limiting block 11 is cross-shaped, a limiting groove 13 is formed at the left end of the thin tube body 41, the limiting block 11 is clamped in the limiting groove 13, through the cooperation of the limiting block 11 and the limiting groove 13, the limiting block 11 is limited by the limiting groove 13, the cap 9 and the thin tube body 41 are prevented from rotating, the PE anti-corrosion layer 12 is arranged outside the cap 9, the corrosion resistance of the cap 9 is improved, the cap 9 is prevented from being corroded in the long-time use process, the service life of the cap 9 is prolonged, the guide pillar 14 is arranged inside the inner tube body 4, the left end of the guide pillar 14 is fixedly connected with the piston head 15, the outer part of the guide pillar 14 is fixedly sleeved with the baffle 16, the right side of the baffle 16 is provided with the return spring 17, the right end of the return spring 17 is fixedly arranged inside the inner tube body 4, the piston head 15 is arranged inside the inner tube body 4, when water enters, the water flow pushes the piston head 15 to move rightwards, the inner part of the inner tube body 4 is opened, and the water flow flows out from the water outlet 5, when backflow occurs, the thrust of water flow on the piston head 15 is reduced, at this time, the guide post 14 moves leftwards under the pushing of the return spring 17, so that the left end of the inner pipe body 4 is closed, thereby preventing backflow of water flow, the baffle 16 is movably sleeved inside the inner pipe body 4, the baffle 16 is positioned on the right side of the water outlet 5, the baffle 16 is arranged on the right side of the water outlet 5, so that the baffle 16 is prevented from blocking the water outlet 5, thereby ensuring the smoothness of the water outlet 5, the return spring 17 is movably sleeved outside the inner pipe body 4, the outer part of the inner pipe body 4 is fixedly sleeved with the backflow-preventing tile 18, the backflow-preventing tile 18 is positioned between the piston head 15 and the baffle 16, the backflow-preventing tile 18 is of an umbrella-shaped structure, and by arranging the backflow-preventing tile 18, the backflow-preventing tile 18 increases the contact area of the guide post 14 and liquid, thereby increasing the backflow impact force on the guide post 14, so that the guide post 14 can move leftwards during backflow, the quantity of anti-return tile 18 has three and equidistant distribution, and the right-hand member fixedly connected with guide pin bushing 19 of interior body 4, the right-hand member activity of guide pillar 14 cup joints the inside at guide pin bushing 19.
In conclusion, the downhole injection allocation device for the oil well is used, when the downhole injection allocation device for the oil well is used, the screw rod 8 is driven to rotate through the servo motor 7, the cap 9 is enabled to move leftwards along the screw rod 8, the water inlet 6 is opened, then water flows enter the interior of the thin tube body 41 from the water inlet 6, the piston head 15 is pushed rightwards by the water flows to enable the interior of the inner tube body 4 to be opened, the water flows are enabled to be discharged from the water outlet 5 to inject water into an oil layer, when backflow occurs, the pressure borne by the piston head 15 is reduced, the return spring 17 pushes the guide pillar 14 to move leftwards, the right end of the thin tube body 41 is plugged again by the piston head 15, and the backflow situation is avoided.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. An oil well is with injection allocation ware in pit, includes outer body (1), its characterized in that: an inner pipe body (4) is arranged in the outer pipe body (1), the outer surface of the inner pipe body (4) is fixedly connected with a water outlet (5), a thin tube body (41) is fixedly connected to the left side of the inner tube body (4), a water inlet (6) is formed in the outer surface of the thin tube body (41), a cap (9) is movably sleeved outside the thin tube body (41), the left end of the cap (9) is conical, a PE anti-corrosion layer (12) is arranged outside the cap (9), a guide post (14) is arranged inside the inner tube body (4), the left end of the guide post (14) is fixedly connected with a piston head (15), the outer part of the guide post (14) is fixedly sleeved with a baffle plate (16), the right side of separation blade (16) is provided with reset spring (17), the right-hand member fixed mounting of reset spring (17) is in the inside of interior body (4).
2. The oil well downhole dispenser of claim 1, wherein: the left end of the outer pipe body (1) is provided with a first connector (2), the right end of the outer pipe body (1) is provided with a second connector (3), and the inner pipe body (4) and the outer pipe body (1) are located on the same central line.
3. The oil well downhole dispenser of claim 1, wherein: the number of the water outlets (5) is four, the water outlets are distributed in a central symmetry mode about the inner pipe body (4), the water outlets (5) are fixedly connected with the inner wall of the outer pipe body (1), and the water outlets (5) are communicated with the outside of the outer pipe body (1).
4. The oil well downhole dispenser of claim 1, wherein: the left end fixedly connected with servo motor (7) of tubule body (41), the left end fixedly connected with lead screw (8) of servo motor (7), the inside fixedly connected with thread bush (10) of block (9), lead screw (8) screw thread cup joints in thread bush (10).
5. The oil well downhole dispenser of claim 4, wherein: the outside fixedly connected with stopper (11) of thread bush (10), stopper (11) are the cross, spacing groove (13) have been seted up to the left end of tubule body (41), stopper (11) joint is in spacing groove (13).
6. The oil well downhole dispenser of claim 1, wherein: the baffle plate (16) is movably sleeved inside the inner pipe body (4), the baffle plate (16) is located on the right side of the water outlet (5), and the reset spring (17) is movably sleeved outside the inner pipe body (4).
7. The oil well downhole dispenser of claim 1, wherein: the anti-backflow device is characterized in that anti-backflow tiles (18) are fixedly sleeved on the outer portion of the inner tube body (4), the anti-backflow tiles (18) are located between the piston head (15) and the blocking sheet (16), the anti-backflow tiles (18) are of umbrella-shaped structures, and the number of the anti-backflow tiles (18) is three and the anti-backflow tiles are distributed at equal intervals.
8. The oil well downhole dispenser of claim 1, wherein: the right end of the inner tube body (4) is fixedly connected with a guide sleeve (19), and the right end of the guide post (14) is movably sleeved inside the guide sleeve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110645945.9A CN113356811A (en) | 2021-06-09 | 2021-06-09 | Oil well is with joining in marriage notes ware in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110645945.9A CN113356811A (en) | 2021-06-09 | 2021-06-09 | Oil well is with joining in marriage notes ware in pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113356811A true CN113356811A (en) | 2021-09-07 |
Family
ID=77533531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110645945.9A Pending CN113356811A (en) | 2021-06-09 | 2021-06-09 | Oil well is with joining in marriage notes ware in pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113356811A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9605784D0 (en) * | 1996-03-19 | 1996-05-22 | Sharp Allan C | The pi(11)well system |
| CN201144679Y (en) * | 2007-10-11 | 2008-11-05 | 孔宪春 | Anti-pollution eccentric water distributor having well reverse cleanout function |
| WO2012166418A2 (en) * | 2011-05-27 | 2012-12-06 | Halliburton Energy Services, Inc. | Safety valve system for cable deployed electric submersible pump |
| CN204126618U (en) * | 2014-09-23 | 2015-01-28 | 中国石油天然气股份有限公司 | Upper-layer cage-system water injection process pipe column and lower-layer cage-system water injection process pipe column |
| CN204646199U (en) * | 2015-04-10 | 2015-09-16 | 王燕娜 | The adjusting device that a kind of oil-extracting and water-injecting is special |
| CN205172538U (en) * | 2015-10-23 | 2016-04-20 | 中国石油化工股份有限公司 | Water injection well is water injection mandrel in pit |
| CN107630689A (en) * | 2017-11-10 | 2018-01-26 | 中国石油化工股份有限公司 | Ground controls time-sharing layered water-filling method and cable control water dispensing apparatus and its application method |
| CN207583347U (en) * | 2017-10-29 | 2018-07-06 | 江苏腾龙石化机械有限公司 | A kind of Portable high pressure water injection wellhead |
| CN208702391U (en) * | 2018-08-16 | 2019-04-05 | 中国石油天然气股份有限公司 | Small-diameter anti-backflow injection allocation device |
| CN210164463U (en) * | 2019-05-06 | 2020-03-20 | 李志强 | Oil recovery well head water injection device |
| CN211174067U (en) * | 2020-06-30 | 2020-08-04 | 胜利方兰德石油装备股份有限公司 | Ground water distributor for ground water distribution during water injection of oil field |
| CN112177031A (en) * | 2020-09-25 | 2021-01-05 | 上海交通大学 | Offshore wind turbine single pile foundation with radiation rib plates and anti-scouring cover |
| CN213116278U (en) * | 2020-10-09 | 2021-05-04 | 延长油田股份有限公司志丹采油厂 | Oil production water injection equipment capable of preventing water injection backflow |
-
2021
- 2021-06-09 CN CN202110645945.9A patent/CN113356811A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9605784D0 (en) * | 1996-03-19 | 1996-05-22 | Sharp Allan C | The pi(11)well system |
| CN201144679Y (en) * | 2007-10-11 | 2008-11-05 | 孔宪春 | Anti-pollution eccentric water distributor having well reverse cleanout function |
| WO2012166418A2 (en) * | 2011-05-27 | 2012-12-06 | Halliburton Energy Services, Inc. | Safety valve system for cable deployed electric submersible pump |
| CN204126618U (en) * | 2014-09-23 | 2015-01-28 | 中国石油天然气股份有限公司 | Upper-layer cage-system water injection process pipe column and lower-layer cage-system water injection process pipe column |
| CN204646199U (en) * | 2015-04-10 | 2015-09-16 | 王燕娜 | The adjusting device that a kind of oil-extracting and water-injecting is special |
| CN205172538U (en) * | 2015-10-23 | 2016-04-20 | 中国石油化工股份有限公司 | Water injection well is water injection mandrel in pit |
| CN207583347U (en) * | 2017-10-29 | 2018-07-06 | 江苏腾龙石化机械有限公司 | A kind of Portable high pressure water injection wellhead |
| CN107630689A (en) * | 2017-11-10 | 2018-01-26 | 中国石油化工股份有限公司 | Ground controls time-sharing layered water-filling method and cable control water dispensing apparatus and its application method |
| CN208702391U (en) * | 2018-08-16 | 2019-04-05 | 中国石油天然气股份有限公司 | Small-diameter anti-backflow injection allocation device |
| CN210164463U (en) * | 2019-05-06 | 2020-03-20 | 李志强 | Oil recovery well head water injection device |
| CN211174067U (en) * | 2020-06-30 | 2020-08-04 | 胜利方兰德石油装备股份有限公司 | Ground water distributor for ground water distribution during water injection of oil field |
| CN112177031A (en) * | 2020-09-25 | 2021-01-05 | 上海交通大学 | Offshore wind turbine single pile foundation with radiation rib plates and anti-scouring cover |
| CN213116278U (en) * | 2020-10-09 | 2021-05-04 | 延长油田股份有限公司志丹采油厂 | Oil production water injection equipment capable of preventing water injection backflow |
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Application publication date: 20210907 |