CN108612644B - Device for pressurizing fluid in casing of pumping unit well - Google Patents
Device for pressurizing fluid in casing of pumping unit well Download PDFInfo
- Publication number
- CN108612644B CN108612644B CN201611138185.8A CN201611138185A CN108612644B CN 108612644 B CN108612644 B CN 108612644B CN 201611138185 A CN201611138185 A CN 201611138185A CN 108612644 B CN108612644 B CN 108612644B
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- Prior art keywords
- shell
- piston
- cover board
- liquid outlet
- chamber
- Prior art date
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- 238000005086 pumping Methods 0.000 title claims abstract description 49
- 239000012530 fluid Substances 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 238000003860 storage Methods 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 244000147058 Derris elliptica Species 0.000 claims description 2
- 241000191291 Abies alba Species 0.000 abstract 2
- 239000000243 solution Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
-
- 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
- F04B23/00—Pumping installations or systems
- F04B23/02—Pumping installations or systems having reservoirs
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention provides a device for pressurizing fluid in a casing of a pumping unit well, which comprises: a pressurizing auxiliary module, in which one end of the piston rod of the piston extends out of the shell, the other end is connected with the piston head arranged in the shell, the piston head divides the cavity of the shell into a first cavity and a second cavity provided with an elastic component, the liquid inlet is positioned on the shell of the first cavity, the liquid outlet connected with the casing head of the Christmas tree is positioned on the shell of the second cavity, the liquid outlet check valve is arranged at the liquid outlet, the liquid inlet check valve is positioned on the piston head, the two ends of the pipeline are respectively communicated with the liquid inlet and the storage tank, the storage tank is higher than the pressurizing auxiliary module, one end of the polish rod is connected with the oil pumping unit, the other end is connected with the oil pumping rod, the first cover plate is positioned on the polish rod between the oil pumping unit and the Christmas tree, the first cover plate is used for moving up and down under the driving of the polish rod and contacts, the cost is reduced and the safety of the operation is improved.
Description
Technical field
The present invention relates to a kind of devices of pressurized fluid in oil extraction in oil field engineering technology more particularly to casing of oil-pumping well.
Background technique
In oilfield development process, meeting pressurized fluid into casing of oil-pumping well, for example, water filling, mixes dilute, surface-active
Agent, pitch dispersant etc..
Currently, usually using force (forcing) pump pressurized fluid into casing of oil-pumping well.Fluid is passed through pressurized pipeline by force (forcing) pump,
It is injected into oil jacket annulus via the casing head of production tree.
But in aforesaid way, additional high-power force (forcing) pump is needed, economic cost and operational risk are increased.
Summary of the invention
The present invention provides a kind of device of pressurized fluid in casing of oil-pumping well, to reduce cost and improve safe operation
Property.
The present invention provides a kind of device of pressurized fluid in casing of oil-pumping well, comprising: storage tank, pipeline, pressurization auxiliary mould
Block, the first cover board, production tree, polished rod and pumping unit；
Wherein, the pressurization supplementary module includes: shell, piston, feed liquor ball-and-seat, goes out liquid ball-and-seat, elastic component, feed liquor
The shell is stretched out in mouth and liquid outlet, one end of the piston rod of the piston, and the other end of the piston rod connects piston head, institute
It states piston head to be set in the shell, the cavity that the shell is formed is divided into first chamber and second chamber, the elasticity
Part is set in the second chamber, and the inlet is set on the shell of the first chamber, and the liquid outlet is set to
On the shell of the second chamber, the inlet is connected to one end of the pipeline, the liquid outlet and the production tree
Casing head connection, the liquid ball-and-seat out are set on the liquid outlet, and the feed liquor ball-and-seat is set on the piston head；
The storage tank is connected to the other end of the pipeline, and height locating for the storage tank is assisted higher than the pressurization
Height locating for module；
The pumping unit is connect with one end of the polished rod, and the other end of the polished rod is by the production tree and oil pipe
Sucker rod connection, first cover board is set on the polished rod between the pumping unit and the production tree；
The storage tank is used to move up and down under the drive of the polished rod for containing fluid, first cover board, and
One end that the piston rod stretches out the shell is contacted during moving downward, so that the piston motion.
In device as shown above, the pressurization supplementary module further include: the second cover board, second cover board are set to institute
State one end that piston rod stretches out the shell.
In device as shown above, described device further include: support column, the support column are set to the pipeline and earth's surface
Between, it is used to support the pipeline.
In device as shown above, the elastic component is spring or elastic slice.
In device as shown above, described device further includes valve, and the valve is set to the liquid outlet and adopts with described
Between the casing head of oil tree.
In device as shown above, described device further includes anti-backflow check valve, and the anti-backflow check valve is set to institute
It states between valve and the liquid outlet.
In device as shown above, the connection of the polished rod between first cover board and the pumping unit and the production tree
Mode is clip, flanged joint or welding.
In device as shown above, sealing ring is provided between the feed liquor ball-and-seat and the piston head.
In device as shown above, area and second cover board that first cover board is contacted with second cover board
Area equation.
The device of pressurized fluid in casing of oil-pumping well provided in an embodiment of the present invention, by the way that storage tank, pipeline, pressurization is arranged
Supplementary module, the first cover board, production tree, polished rod and pumping unit, wherein pressurization supplementary module includes: shell, piston, feed liquor list
Flow valve, go out liquid ball-and-seat, elastic component, inlet and liquid outlet, shell is stretched out in one end of the piston rod of piston, piston rod it is another
End connection piston head, piston head are set in shell, and the cavity that shell is formed is divided into first chamber and second chamber, elastic component
It being set in second chamber, inlet is set on the shell of first chamber, and liquid outlet is set on the shell of second chamber, into
Liquid mouth is connected to one end of pipeline, and the casing head connection of liquid outlet and production tree, liquid ball-and-seat is set on liquid outlet out, feed liquor
Ball-and-seat is set on piston head, and storage tank is connected to the other end of pipeline, and height locating for storage tank is higher than pressurization auxiliary mould
One end of height locating for block, pumping unit and polished rod connects, and the other end of polished rod connects by the sucker rod in production tree and oil pipe
It connects, the first cover board is set on the polished rod between pumping unit and production tree, and storage tank is used for for containing fluid, the first cover board in light
It moves up and down under the drive of bar, and contact piston bar stretches out one end of shell during moving downward, so that piston motion, real
Show in the case where not needing force (forcing) pump, finally driven that piston moves downward by pumping unit, the of supplementary module will be pressurized
In two chambers in fluid injection oil jacket annulus, elastic component drives piston upwards, and realization will flow under the effect of gravity in storage tank
Fluid out is stored in the second chamber of pressurization supplementary module, thus, reduce costs and improve the safety of operation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural representation of the Installation practice of pressurized fluid in casing of oil-pumping well provided in an embodiment of the present invention
Figure；
Fig. 2 is status diagram of pressurization supplementary module during downlink in embodiment illustrated in fig. 1；
Fig. 3 is status diagram of pressurization supplementary module during uplink in embodiment illustrated in fig. 1.
Appended drawing reference:
11: storage tank；
12: pipeline；
13: pressurization supplementary module；
14: the first cover boards；
15: pumping unit；
16: production tree；
17: polished rod；
18: valve；
19: oil pipe；
20: casing；
21: pit shaft；
22: support column；
23: sucker rod；
131: inlet；
132: shell；
133: elastic component；
134: piston rod；
135: piston head；
136: going out liquid ball-and-seat；
137: liquid outlet；
138: the second cover boards；
139: feed liquor ball-and-seat.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third " and " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
Technical solution of the present invention is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is the structural representation of the Installation practice of pressurized fluid in casing of oil-pumping well provided in an embodiment of the present invention
Figure.Fig. 2 is status diagram of pressurization supplementary module during downlink in embodiment illustrated in fig. 1.Fig. 3 is to implement shown in Fig. 1
Status diagram of pressurization supplementary module during uplink in example.It is provided in an embodiment of the present invention referring to Fig. 1-Fig. 3
The device of pressurized fluid includes: in casing of oil-pumping well
Storage tank 11, pipeline 12, pressurization supplementary module 13, the first cover board 14, production tree 16, polished rod 17 and pumping unit 15.
Wherein, pressurization supplementary module 13 includes: shell 132, piston, feed liquor ball-and-seat 139, goes out liquid ball-and-seat 136, elasticity
Part 133, inlet 131 and liquid outlet 137.
Shell 132 is stretched out in one end of the piston rod 134 of piston, and the other end of piston rod 134 connects piston head 135.Piston
First 135 are set in shell 132, and the cavity that shell 132 is formed is divided into first chamber and second chamber.Elastic component 133 is arranged
In second chamber.Inlet 131 is set on the shell of first chamber, and liquid outlet 137 is set on the shell of second chamber.
Inlet 131 is connected to one end of pipeline 12, and liquid outlet 137 is connect with the casing head of production tree 16.Liquid ball-and-seat 136 is arranged out
In on liquid outlet 137, feed liquor ball-and-seat 139 is set on piston head 135.
Storage tank 11 is connected to the other end of pipeline 12, and height locating for storage tank 11 is higher than locating for pressurization supplementary module 13
Height.
Pumping unit 15 is connect with one end of polished rod 17, and the other end of polished rod 17 is by the oil pumping in production tree 16 and oil pipe 19
Bar 23 connects.First cover board 14 is set on the polished rod between pumping unit 15 and production tree 16.
Storage tank 11 is for containing fluid.First cover board 14 is transported for moving up and down under the drive of polished rod 17 downwards
Contact piston bar 134 stretches out one end of shell 132 during dynamic, so that piston motion.
Specifically, the fluid contained in storage tank 11 can be water, thin oil, surfactant or pitch dispersant etc..It can
With understanding, the height as locating for storage tank 11 is higher than height locating for pressurization supplementary module 13, then connects storage tank 11 and increase
The pipeline 12 of pressure supplementary module 13 is in heeling condition.Fluid in storage tank 11 can be under the effect of gravity via pipeline
12, the inlet 131 for being pressurized supplementary module 13 flows into the first chamber of pressurization supplementary module 13.
Pumping unit 15 can drive polished rod 17 downwardly and upwardly to move back and forth.Moving downward in the embodiment of the present invention
It refers to moving to the direction close to pit shaft 21, moves upwards and refer to moving to the direction far from pit shaft 21.
The connection type of polished rod 17 between first cover board 14 and pumping unit 15 and production tree 16 can be clip, flange connects
The mode for connecing or welding.
Sealing ring can be set between the side wall of piston head 135 and the inner wall of shell 132, for example, rubber seal.To mention
The efficiency that high piston head 135 does work.Feed liquor ball-and-seat 139 is set to the mode on piston head 135 can be on piston head 135
Feed liquor ball-and-seat 139 is placed in the hole by aperture.It, can be in feed liquor ball-and-seat in order to not influence the efficiency that piston head 135 does work
Sealing ring is set between 139 and piston head 135.
Elastic component 133, which is set to the mode in second chamber, can be welding.Liquid ball-and-seat 136 is set to liquid outlet out
On 137, mean out that liquid ball-and-seat 136 is set in the range of 137 pre-determined distance of liquid outlet.
Optionally, the elastic component 133 in the embodiment of the present invention can be spring or elastic slice.In Fig. 1-Fig. 3, show
Elastic component 133 is spring.
The course of work of the device of pressurized fluid is as follows in casing of oil-pumping well provided in an embodiment of the present invention:
When original state, the elastic component 133 being pressurized in supplementary module 13 is in former long status, i.e., state shown in Fig. 3.This
When, feed liquor ball-and-seat 139 is opened, and liquid ball-and-seat 136 is closed out.It is contained in storage tank 11 and needs to inject in casing of oil-pumping well
Fluid.Under gravity, fluid can flow into the first chamber of pressurization supplementary module 13 by pipeline 12, inlet 131,
Since feed liquor ball-and-seat 139 is opened at this time, fluid can be entered in second chamber by feed liquor ball-and-seat 139 from first chamber.
Liquid ball-and-seat 136 is in close state out, and fluid can be stored in second chamber.If pumping unit 15 starts downward work at this time
Make, pumping unit 15 drives polished rod 17 to move downward, and polished rod 17 will drive the first cover board 14 and move downward.In the process, first
Cover board 14 can touch the piston rod 134 of pressurization supplementary module 13, and piston rod 134 is driven to move downward, in turn, piston rod 134
Piston head 135 is driven to move downward, 135 compression elastic piece 133 of piston head.At this point, due to the pressure increase in second chamber, the
Pressure in one chamber reduces, and feed liquor ball-and-seat 139 is closed, and liquid ball-and-seat 136 is opened out, the fluid meeting stored in second chamber
It is flowed into the annular space of oil pipe 19 and casing 20 by the casing head of production tree 16, realizes the pressurized fluid into casing of oil-pumping well.
Until pumping unit 15 moves to after bottom dead center, pumping unit 15 drives polished rod 17 to move upwards, and the first cover board 14 leaves piston rod
134.It under the action of the elastic potential energy that piston head 135 stores in elastic component 133, moves upwards, at this point, due in second chamber
Pressure reduce, liquid ball-and-seat 136 is closed out, and feed liquor ball-and-seat 139 is opened, and the fluid in first chamber is by feed liquor ball-and-seat
139 flow into second chamber.Until the elastic potential energy in elastic component 133 releases completely, in former long status, at this point, second
Fluid is stored in chamber again.After next pumping unit 15 moves downward, the above process is recycled.
Optionally, it is pressurized supplementary module 13 further include: the second cover board 138.Second cover board 138 is set to piston rod 134 and stretches
One end of shell 132 out.
After the second cover board 138, the first cover board 14 can contact the second cover board 138 during moving downward.Phase
Compared with the mode of one end that the first cover board contact piston bar 134 stretches out shell 132, the area of the second cover board 138 is greater than piston rod
The area of 134 end faces, can reduce pressure, improve the service life of pressurization supplementary module 13, simultaneously, it is ensured that the first lid
Plate 14 more securely transmits downward power.
Further, the area equation of the first cover board 14 is contacted with the second cover board 138 area and the second cover board 138, that is,
When first cover board 14 and the second cover board 138 contact, the second cover board 138 is completely covered, further reduced pressure.
Optionally, device further include: support column 22.Support column 22 is set between pipeline 12 and earth's surface, is used to support
Pipeline 12.The safety that support column 22 improves the work of pipeline 12 is set.It is possible to further be placed equidistant with including multiple
Support column 22.
Optionally, which further includes valve 18.Valve 18 be set to liquid outlet 137 and production tree 16 casing head it
Between.
When carrying out injection fluid operation, the valve 18 is opened.When not needing to carry out implant operation, the valve is closed
Door 18.
Optionally, which further includes anti-backflow check valve, anti-backflow check valve be set to valve 18 and liquid outlet 137 it
Between.To prevent the reverse flow of fluids in oil jacket annulus from entering to be pressurized to improve the safety of the device operation in supplementary module 13.
The device of pressurized fluid in casing of oil-pumping well provided in an embodiment of the present invention, by the way that storage tank, pipeline, pressurization is arranged
Supplementary module, the first cover board, production tree, polished rod and pumping unit, wherein pressurization supplementary module includes: shell, piston, feed liquor list
Flow valve, go out liquid ball-and-seat, elastic component, inlet and liquid outlet, shell is stretched out in one end of the piston rod of piston, piston rod it is another
End connection piston head, piston head are set in shell, and the cavity that shell is formed is divided into first chamber and second chamber, elastic component
It being set in second chamber, inlet is set on the shell of first chamber, and liquid outlet is set on the shell of second chamber, into
Liquid mouth is connected to one end of pipeline, and the casing head connection of liquid outlet and production tree, liquid ball-and-seat is set on liquid outlet out, feed liquor
Ball-and-seat is set on piston head, and storage tank is connected to the other end of pipeline, and height locating for storage tank is higher than pressurization auxiliary mould
One end of height locating for block, pumping unit and polished rod connects, and the other end of polished rod connects by the sucker rod in production tree and oil pipe
It connects, the first cover board is set on the polished rod between pumping unit and production tree, and storage tank is used for for containing fluid, the first cover board in light
It moves up and down under the drive of bar, and contact piston bar stretches out one end of shell during moving downward, so that piston motion, real
Show in the case where not needing force (forcing) pump, finally driven that piston moves downward by pumping unit, the of supplementary module will be pressurized
In two chambers in fluid injection oil jacket annulus, elastic component drives piston upwards, and realization will flow under the effect of gravity in storage tank
Fluid out is stored in the second chamber of pressurization supplementary module, thus, reduce costs and improve the safety of operation.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. the device of pressurized fluid in a kind of casing of oil-pumping well, comprising: polished rod and pumping unit, which is characterized in that further include: storage
Tank, pipeline, pressurization supplementary module, the first cover board, production tree；
Wherein, the pressurization supplementary module include: shell, piston, feed liquor ball-and-seat, go out liquid ball-and-seat, elastic component, inlet and
The shell is stretched out in liquid outlet, one end of the piston rod of the piston, and the other end of the piston rod connects piston head, the work
Chock plug is set in the shell, the cavity that the shell is formed is divided into first chamber and second chamber, the elastic component is set
It is placed in the second chamber, the inlet is set on the shell of the first chamber, and the liquid outlet is set to described
On the shell of second chamber, the inlet is connected to one end of the pipeline, the casing of the liquid outlet and the production tree
Head connection, the liquid ball-and-seat out are set on the liquid outlet, and the feed liquor ball-and-seat is set on the piston head；
The storage tank is connected to the other end of the pipeline, and height locating for the storage tank is higher than the pressurization supplementary module
Locating height；
The pumping unit is connect with one end of the polished rod, and the other end of the polished rod is by the pumping in the production tree and oil pipe
Beam hanger connection, first cover board are set on the polished rod between the pumping unit and the production tree；
The storage tank is used to move up and down under the drive of the polished rod for containing fluid, first cover board, and downward
One end that the piston rod stretches out the shell is contacted in motion process, so that the piston motion.
2. the apparatus according to claim 1, which is characterized in that the pressurization supplementary module further include: the second cover board, it is described
Second cover board is set to one end that the piston rod stretches out the shell.
3. device according to claim 1 or 2, which is characterized in that described device further include: support column, the support column
It is set between the pipeline and earth's surface, is used to support the pipeline.
4. device according to claim 1 or 2, which is characterized in that the elastic component is spring or elastic slice.
5. device according to claim 1 or 2, which is characterized in that described device further includes valve, and the valve is set to
Between the liquid outlet and the casing head of the production tree.
6. device according to claim 5, which is characterized in that described device further includes anti-backflow check valve, described anti-down
Stream check valve is set between the valve and the liquid outlet.
7. device according to claim 1 or 2, which is characterized in that first cover board and the pumping unit and described adopt
The connection type of polished rod between oil tree is clip, flanged joint or welding.
8. device according to claim 1 or 2, which is characterized in that set between the feed liquor ball-and-seat and the piston head
It is equipped with sealing ring.
9. the apparatus of claim 2, which is characterized in that the area that first cover board is contacted with second cover board
With the area equation of second cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138185.8A CN108612644B (en) | 2016-12-12 | 2016-12-12 | Device for pressurizing fluid in casing of pumping unit well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138185.8A CN108612644B (en) | 2016-12-12 | 2016-12-12 | Device for pressurizing fluid in casing of pumping unit well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108612644A CN108612644A (en) | 2018-10-02 |
| CN108612644B true CN108612644B (en) | 2019-10-11 |
Family
ID=63657633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611138185.8A Active CN108612644B (en) | 2016-12-12 | 2016-12-12 | Device for pressurizing fluid in casing of pumping unit well |
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| Country | Link |
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| CN (1) | CN108612644B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4770614A (en) * | 1985-12-24 | 1988-09-13 | Shishkin Viktor V | Apparatus for transferring fluid medium |
| CN1035339A (en) * | 1989-01-15 | 1989-09-06 | 萧南平 | Pressurized water-filling method and device thereof in the well |
| CN2918790Y (en) * | 2005-11-17 | 2007-07-04 | 张祁 | Hydraulic booster system for oil well re-injection sucker-rod pump |
| CN101839125A (en) * | 2010-02-25 | 2010-09-22 | 黄健 | Pressurized water injection device |
| DE102010036323A1 (en) * | 2010-07-09 | 2012-01-12 | Helmut Derwand | Method for preventing the escape of environmentally harmful substances in underwater wells and pipe string therefor |
| CN203066931U (en) * | 2013-02-07 | 2013-07-17 | 敫铁拴 | Steam paraffin removal equipment for hollow sucker rod |
| CN203374240U (en) * | 2013-07-25 | 2014-01-01 | 王志峰 | Constant-pressure blow-off and heat preservation device for oil well casing |
| CN203906213U (en) * | 2014-07-01 | 2014-10-29 | 胜利油田元吉石油科技有限公司 | Pressurization air-extraction device for oil well casing |
-
2016
- 2016-12-12 CN CN201611138185.8A patent/CN108612644B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4770614A (en) * | 1985-12-24 | 1988-09-13 | Shishkin Viktor V | Apparatus for transferring fluid medium |
| CN1035339A (en) * | 1989-01-15 | 1989-09-06 | 萧南平 | Pressurized water-filling method and device thereof in the well |
| CN2918790Y (en) * | 2005-11-17 | 2007-07-04 | 张祁 | Hydraulic booster system for oil well re-injection sucker-rod pump |
| CN101839125A (en) * | 2010-02-25 | 2010-09-22 | 黄健 | Pressurized water injection device |
| DE102010036323A1 (en) * | 2010-07-09 | 2012-01-12 | Helmut Derwand | Method for preventing the escape of environmentally harmful substances in underwater wells and pipe string therefor |
| CN203066931U (en) * | 2013-02-07 | 2013-07-17 | 敫铁拴 | Steam paraffin removal equipment for hollow sucker rod |
| CN203374240U (en) * | 2013-07-25 | 2014-01-01 | 王志峰 | Constant-pressure blow-off and heat preservation device for oil well casing |
| CN203906213U (en) * | 2014-07-01 | 2014-10-29 | 胜利油田元吉石油科技有限公司 | Pressurization air-extraction device for oil well casing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108612644A (en) | 2018-10-02 |
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