CN107762833A - A kind of dynamic valve structure of thickened-oil pump - Google Patents
A kind of dynamic valve structure of thickened-oil pump Download PDFInfo
- Publication number
- CN107762833A CN107762833A CN201711133916.4A CN201711133916A CN107762833A CN 107762833 A CN107762833 A CN 107762833A CN 201711133916 A CN201711133916 A CN 201711133916A CN 107762833 A CN107762833 A CN 107762833A
- Authority
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- China
- Prior art keywords
- hole
- dynamic valve
- thickened
- oil pump
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 41
- 239000010779 crude oil Substances 0.000 description 12
- 239000006071 cream Substances 0.000 description 5
- 241001023788 Cyttus traversi Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003860 storage 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/1002—Ball valves
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/12—Valves; Arrangement of valves arranged in or on pistons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
A kind of dynamic valve structure of thickened-oil pump, is related to a kind of oil pump, quiet valve（23）It is fixed on oil pipe（24）Bottom, fuel feed hole is provided with quiet valve（22）With the plugging mechanism of fuel feed hole；The top of quiet valve is provided with dynamic valve pipe in oil pipe（11）, the upper end of the dynamic valve pipe is provided with necking down bar（8）, thin bar is provided with the upper end of necking down bar（5）, the upper end both sides of the thin bar are respectively equipped with projection（4）, thin bar upper end is fixedly connected with sucker rod（14）Lower end, be provided with vertical hole to top in the middle part of the bottom faces of dynamic valve pipe（13）, two inclined hole A（9）Penetrated respectively to the bottom both sides of necking down bar by vertical hole, closure set is cased with necking down bar（2）；The present invention is coordinated using two inclined hole A of closure set and dynamic valve pipe, by blocking two inclined hole A opening and closing of fault of the dynamic valve pipe of set control, obtains preferable sealing effectiveness.
Description
【Technical field】
The present invention relates to a kind of oil pump, more particularly, to a kind of dynamic valve structure of thickened-oil pump.
【Background technology】
Known, thickened-oil pump is to obtain the instrument that oil well Crude Oil is raised to ground by underground, mainly by sucker rod, dynamic valve
" piston ", quiet valve, oil pipe and oil recovery horse head are formed, the dynamic valve of sucker rod lower end connection wherein in oil pipe, are set in dynamic valve
There is through hole, through hole is entered simultaneously by necking down hole by exercising crude oil on the through hole lower end necking down hole of the stifled dynamic valve of the ball sealing in through hole or ball
Reach dynamic valve top；Hole is provided with the middle part of quiet valve in oil pipe, the hole of quiet valve is blocked up by another ball sealing or opens the hole；Make
Drive sucker rod valve is moved back and forth in oil pipe by horse head during industry, further make crude oil in the oil pipe of quiet valve top not
Disconnected aggregation simultaneously, finally obtains the crude oil lifting in oil pipe；Detailed process is：When dynamic valve is up, quiet valve is moved by oil pipe
The pressure effect of valve above oil pipe, ball just block the through hole of dynamic valve, and another ball of quiet valve is up to open the hole, crude oil
Into the shoe cream room formed between dynamic valve and quiet valve；When dynamic valve declines, at this moment another ball sealing of quiet valve is stifled described
Hole, the up necking down hole for leaving mouth under dynamic valve through hole of ball, at this moment the crude oil in shoe cream room be expelled to dynamic valve top, move valve
Constantly pump, the ball of dynamic valve constantly replaces closing with another ball of quiet valve and top is opened, and crude oil is continuous in well
Into oil pipe, so as to above be advanced into oil pipe, ground is finally reached.
Existing thickened-oil pump ball move valve and quiet valve exist ball deadweight it is smaller can not preferable plugging hole, sand or its
Its object will also result in the poorly sealed of hole, lack self-purification capacity, and the ball of quiet valve is often touched during dynamic valve is descending,
Deformation of ball is easily set to further result in the decline of tightness.
【The content of the invention】
In order to overcome the shortcomings of in background technology, the present invention discloses a kind of dynamic valve structure of thickened-oil pump, using closure set and moves
Two inclined hole A of valve pipe coordinate, and by blocking two inclined hole A opening and closing of fault of the dynamic valve pipe of set control, obtain preferably close
Seal effect.
For achieving the above object, the present invention adopts the following technical scheme that：
A kind of dynamic valve structure of thickened-oil pump, including oil pipe, quiet valve, dynamic valve pipe, closure set and sucker rod, quiet valve are fixed
In oil pipe bottom, the plugging mechanism of fuel feed hole and fuel feed hole is provided with quiet valve；The top of quiet valve is provided with dynamic all in oil pipe
You are managed, and the upper end of the dynamic valve pipe is provided with necking down bar, and thin bar, the upper end both sides point of the thin bar are provided with the upper end of necking down bar
She You not be raised, thin bar upper end is fixedly connected with the lower end of sucker rod, and vertical hole is provided with to top in the middle part of the bottom faces of dynamic valve pipe,
Two inclined hole A are penetrated to the bottom both sides of necking down bar respectively by vertical hole, and closure set is cased with necking down bar.
The dynamic valve structure of described thickened-oil pump, the upper end of dynamic valve pipe thin bar are provided with connection screw thread, the lower end of sucker rod
Be provided with provided with connector, in the middle part of the bottom faces of the connector to top and have female blind hole, the connection screw thread of thin bar with
The connector of sucker rod lower end is fixedly connected.
The dynamic valve structure of described thickened-oil pump, raised item A is respectively equipped with the both sides of thin bar, the two raised item A's
External profile diameter is equal with the external profile diameter of necking down bar, and projection is respectively equipped with raised item A upper ends；Set respectively in raised item A upper ends
The projection put is punched for two raised item A upper ends, and the head of a nail of the rivet forms the projection after being fixed by rivet.
The dynamic valve structure of described thickened-oil pump, back taper A is provided with the lower end outer rim of dynamic valve pipe.
The dynamic valve structure of described thickened-oil pump, is provided with fuel feed hole, the inserted link of plugging block lower end in quiet valve central panel
Fuel feed hole described in grafting, the upper surface middle part of plugging block are provided with middle part and stand hole, and the bottom hole that hole is stood at middle part is in the close of plugging block
Lower end, two inclined hole B upper ends penetrate the middle part and stand hole, and two inclined hole B lower port is on the upper end two sides of inserted link, the envelope
Sprue and inserted link form the plugging mechanism of the fuel feed hole.
The dynamic valve structure of described thickened-oil pump, upper conical face, the lower end of plugging block are provided with the upper end outer rim of plugging block
Outer rim is provided with inferior pyramidal face.
The dynamic valve structure of described thickened-oil pump, the inferior pyramidal face outer rim in upper conical face to the lower end of plugging block, which is provided with, is in
Radial a plurality of raised item B.
The dynamic valve structure of described thickened-oil pump, back taper B is provided with the lower end outer rim of inserted link.
The dynamic valve structure of described thickened-oil pump, it is provided between the lower end of plugging block and the upper end of inserted link relative to closure
The necking segment of block.
The dynamic valve structure of described thickened-oil pump, the outer edge surface gap of the endoporus and necking down bar of the closure set coordinate.
Due to using technical scheme as described above, the present invention has the advantages that：
The dynamic valve structure of thickened-oil pump of the present invention, by " Y " that moves the two inclined hole A set in valve pipe and the formation of vertical hole
Font hole may insure that crude oil smoothly enters dynamic valve pipe top, especially with closure be enclosed on necking down bar and thin bar outer rim
It is travelling so that crude oil can smoothly pass between " Y " font hole, thin bar outer wall and closure set endoporus flow into it is dynamic all
That pipe top；The present invention also substitutes the ball of original quiet valve by using plugging block, increases considerably plugging block deadweight, by sealing
The raised item B of sprue outer wall surrounding forms a plurality of linear contact lay with oil pipe, and it is smooth further to obtain the slip of plugging block, and blocks
Stand hole and may insure that valve pipe bottom is moved in the unobstructed entrance of crude oil with two inclined hole B " people " the font holes formed in middle part in block；
The process that pulls and pushes of the inserted link of plugging block bottom and quiet valve fuel feed hole forms self-cleaning to inserted link each time；And dynamic valve pipe and envelope
Being slidably matched for block sets also can make the outer surface of necking down bar obtain automatically cleaning；Sealing effectiveness of the present invention is preferable, and parts are overall
Design, is hardly damaged, service life is increased considerably.
【Brief description of the drawings】
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the dynamic up structural representation of valve pipe of the present invention；
Fig. 4 is the dynamic descending structural representation of valve pipe of the present invention；
Fig. 5 is the plugging block dimensional structure diagram of the present invention；
Fig. 6 is the plugging block top view of the present invention；
Fig. 7 is Fig. 6 A-A topology views；
Fig. 8 is Fig. 6 B-B topology views；
In figure：1st, endoporus；2nd, closure set；3rd, connection screw thread；4th, it is raised；5th, thin bar；6th, raised item A；7th, small stair；8th, necking down
Bar；9th, inclined hole A；10th, big step；11st, valve pipe is moved；12nd, back taper A；13rd, hole is stood；14th, sucker rod；15th, connector；16th, store up
Oil pocket；17th, plugging block；18th, hole is stood at middle part；19th, inclined hole B；20th, inserted link；21st, back taper B；22nd, fuel feed hole；23rd, quiet valve；
24th, oil pipe；25th, central panel；26th, upper surface；27th, upper conical face；28th, raised item B；29th, inferior pyramidal face；30th, necking segment；31、
Bottom hole.
【Embodiment】
The present invention can be explained in more detail by the following examples, the open purpose of the present invention is intended to protect the scope of the invention
All interior changes and improvements, the invention is not limited in the following examples；
The dynamic valve structure of thickened-oil pump with reference to described in accompanying drawing 1~8, including oil pipe 24, quiet valve 23, dynamic valve pipe 11, closure
Set 2 and sucker rod 14, quiet valve 23 are fixed on the bottom of oil pipe 24, and the envelope of fuel feed hole 22 and fuel feed hole 22 is provided with quiet valve 23
Stifled mechanism；The top of quiet valve 23 is provided with dynamic valve pipe 11 in oil pipe 24, and the upper end of the dynamic valve pipe 11 is provided with necking down bar 8,
Thin bar 5 is provided with the upper end of necking down bar 8, raised item A6 is respectively equipped with the both sides of thin bar 5, two raised item A6 outer rim is straight
Footpath is equal with the external profile diameter of necking down bar 8, and projection 4 is respectively equipped with raised item A6 upper ends；Described raised 4 be on two raised item A6
End punching, the head of a nail of the rivet forms described raised 4 after being fixed by rivet, and the upper end for moving the thin bar 5 of valve pipe 11 is provided with connection
Screw thread 3, the lower end of sucker rod 14 are provided with connector 15, and being provided with the middle part of the bottom faces of the connector 15 to top has internal thread
Blind hole, the connection screw thread of thin bar is fixedly connected with the connector 15 of the lower end of sucker rod 14, in the lower end outer rim of dynamic valve pipe 11
Provided with back taper A12, vertical hole 13 is provided with to top in the middle part of the bottom faces of the dynamic valve pipe 11, two inclined hole A9 are distinguished by vertical hole 13
Insertion is cased with closure set 2, the endoporus 1 and necking down bar 8 of the closure set 2 to the bottom both sides of necking down bar 8 on necking down bar 8
Outer edge surface gap coordinates.
With reference to accompanying drawing 3 to 8, fuel feed hole 22 is provided with the quiet central panel 25 of valve 23, the inserted link 20 of the lower end of plugging block 17 is inserted
The fuel feed hole 22 is connect, back taper B21 is provided with the lower end outer rim of inserted link 20, in the lower end of plugging block 17 and the upper end of inserted link 20
Between be provided with necking segment 30 relative to plugging block, the middle part of upper surface 26 of plugging block 17 is provided with middle part and stands hole 18, and hole is stood at middle part
18 bottom hole 31 is in the close lower end of plugging block 17, and two inclined hole B19 upper ends penetrate the middle part and stand hole 18, two inclined hole B19's
Lower port is on the upper end two sides of inserted link 20, and the plugging block 17 and inserted link 20 form the stopple plugging machine of the fuel feed hole 22
Structure；Upper conical face 27 wherein is provided with the upper end outer rim of plugging block 17, the lower end outer rim of plugging block 17 is provided with inferior pyramidal face 29；
The outer rim of inferior pyramidal face 29 of upper conical face 27 to the lower end of plugging block 17 is provided with radial a plurality of raised item B28.
Implement the dynamic valve structure of thickened-oil pump of the present invention, the structure provided with reference to accompanying drawing 1~8, in use, on well
When horse head drives sucker rod 14 and up dynamic valve pipe 11, closure set 7 is close to the dynamic upper end of valve pipe 11 and the lower end shape of necking down bar 8
Into big step 10 on, by two inclined hole A9 of the dynamic valve pipe 11 of the closure of closure set 7, at this moment move the bottom of valve pipe 11 and quiet valve 23
Between interval cry in other words shoe cream room 16 formed negative pressure, at this moment plugging block 17 is up by the effect of negative pressure so that inserted link 20
The fuel feed hole 22 of the quiet central panel 25 of valve 23 is left, while crude oil is assembled by fuel feed hole 22 into shoe cream room 16；In dynamic valve pipe
After 11 up " also calling stroke " reaches predetermined altitude, dynamic valve starts descending " being also down stroke " to 11, at this moment plugging block
17 inserted link 20 closes the fuel feed hole 22 of the quiet central panel 25 of valve 23, while in shoe cream room 16 in the case of pressure increase,
The tops that closure set 2 goes upward to thin bar 5, by the position-limiting action of raised item A6 projections 4, rest on the top of thin bar 5, and oil storage
The interval between vertical hole 13, two inclined hole A9 and closure set 2 and thin bar 4 of the crude oil by moving valve pipe 11 in chamber 16 goes upward to dynamic
The top of valve pipe 11, small stair 7 is formed between the upper end of necking down bar 8 and the lower end of thin bar 5, move valve pipe 11 constantly up and down reciprocatingly
Motion, the inserted link 20 of plugging block 17 constantly replaces closing with closure set 2 with fuel feed hole 22 and dynamic valve pipe 11 and opened, former in well
The oily dynamic top of valve pipe 11 for constantly entering oil pipe 24, ground is finally reached so as to up.
Part not in the detailed description of the invention is prior art.
Claims (10)
1. a kind of dynamic valve structure of thickened-oil pump, including oil pipe（24）, quiet valve（23）, dynamic valve pipe（11）, closure set（2）With
Sucker rod（14）, it is characterized in that：Quiet valve（23）It is fixed on oil pipe（24）Bottom, in quiet valve（23）It is provided with fuel feed hole（22）
And fuel feed hole（22）Plugging mechanism；Oil pipe（24）Interior quiet valve（23）Top be provided with dynamic valve pipe（11）, the dynamic valve
Pipe（11）Upper end be provided with necking down bar（8）, in necking down bar（8）Upper end be provided with thin bar（5）, the thin bar（5）Upper end both sides
It is respectively equipped with projection（4）, thin bar（5）Upper end is fixedly connected with sucker rod（14）Lower end, in dynamic valve pipe（11）Bottom faces in
Portion to top is provided with vertical hole（13）, two inclined hole A（9）By standing hole（13）Penetrate respectively to necking down bar（8）Bottom both sides, in necking down
Bar（8）On be cased with closure set（2）.
2. the dynamic valve structure of thickened-oil pump according to claim 1, it is characterized in that：Dynamic valve pipe（11）Thin bar（5）It is upper
End is provided with connection screw thread（3）, sucker rod（14）Lower end be provided with connector（15）, the connector（15）Bottom faces in the middle part of extremely
Top, which is provided with, has female blind hole, the connection screw thread and sucker rod of thin bar（14）The connector of lower end（15）It is fixedly connected.
3. the dynamic valve structure of thickened-oil pump according to claim 2, it is characterized in that：In thin bar（5）Both sides be respectively equipped with
Raised item A（6）, the two raised item A（6）External profile diameter and necking down bar（8）External profile diameter be equal, in raised item A（6）On
End is respectively equipped with projection（4）；In raised item A（6）The projection that upper end is set respectively（4）For two raised item A（6）Upper end is beaten
Hole, the head of a nail of the rivet forms the projection after being fixed by rivet（4）.
4. the dynamic valve structure of thickened-oil pump according to claim 1, it is characterized in that：In dynamic valve pipe（11）Lower end outer rim
Provided with back taper A（12）.
5. the dynamic valve structure of thickened-oil pump according to claim 1, it is characterized in that：In quiet valve（23）Central panel（25）On
Provided with fuel feed hole（22）, plugging block（17）The inserted link of lower end（20）Fuel feed hole described in grafting（22）, plugging block（17）Upper surface
（26）Middle part is provided with middle part and stands hole（18）, hole is stood at middle part（18）Bottom hole（31）In plugging block（17）Close lower end, two is oblique
Hole B（19）Upper end penetrates the middle part and stands hole（18）, two inclined hole B（19）Lower port be in inserted link（20）Upper end two sides
On, the plugging block（17）And inserted link（20）Form the fuel feed hole（22）Plugging mechanism.
6. the dynamic valve structure of thickened-oil pump according to claim 5, it is characterized in that：In plugging block（17）Upper end outer rim set
There is upper conical face（27）, plugging block（17）Lower end outer rim be provided with inferior pyramidal face（29）.
7. the dynamic valve structure of thickened-oil pump according to claim 5, it is characterized in that：In plugging block（17）Upper conical face
（27）To the inferior pyramidal face of lower end（29）Outer rim is provided with radial a plurality of raised item B（28）.
8. the dynamic valve structure of thickened-oil pump according to claim 5, it is characterized in that：In inserted link（20）Lower end outer rim be provided with
Back taper B（21）.
9. the dynamic valve structure of thickened-oil pump according to claim 5, it is characterized in that：In plugging block（17）Lower end and inserted link
（20）Upper end between be provided with relative to plugging block necking segment（30）.
10. the dynamic valve structure of thickened-oil pump according to claim 1, it is characterized in that：The closure set（2）Endoporus（1）
With necking down bar（8）Outer edge surface gap coordinate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711133916.4A CN107762833B (en) | 2017-11-16 | 2017-11-16 | A kind of dynamic valve structure of thickened-oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711133916.4A CN107762833B (en) | 2017-11-16 | 2017-11-16 | A kind of dynamic valve structure of thickened-oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107762833A true CN107762833A (en) | 2018-03-06 |
| CN107762833B CN107762833B (en) | 2018-12-07 |
Family
ID=61279328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711133916.4A Active CN107762833B (en) | 2017-11-16 | 2017-11-16 | A kind of dynamic valve structure of thickened-oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107762833B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939656A (en) * | 2017-11-17 | 2018-04-20 | 辽宁瑞智石油机械制造有限公司 | A kind of thickened-oil pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1313553A (en) * | 1970-01-12 | 1973-04-11 | Vetco Offshore Ind Inc | Well apparatus and methods for installing and removing the same |
| SU1315653A1 (en) * | 1985-10-17 | 1987-06-07 | Московский Институт Нефти И Газа Им.И.М.Губкина | Well sucker-rod pump |
| CN2215607Y (en) * | 1993-10-11 | 1995-12-20 | 河南石油勘探局试采公司 | Jetting-proof well pump |
| CN2451758Y (en) * | 2000-11-29 | 2001-10-03 | 大庆油田有限责任公司第三采油厂 | Plunger hanging load type oil-well pump |
| CN201027642Y (en) * | 2007-04-27 | 2008-02-27 | 杨军 | Rod type underbalance oil well pump |
| CN202579123U (en) * | 2012-04-28 | 2012-12-05 | 欧阳广成 | Double-acting oil well pump with high discharge capacity |
| CN206092354U (en) * | 2016-10-17 | 2017-04-12 | 成都北方石油勘探开发技术有限公司 | Can increase oil -well pump of discharge capacity |
-
2017
- 2017-11-16 CN CN201711133916.4A patent/CN107762833B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1313553A (en) * | 1970-01-12 | 1973-04-11 | Vetco Offshore Ind Inc | Well apparatus and methods for installing and removing the same |
| SU1315653A1 (en) * | 1985-10-17 | 1987-06-07 | Московский Институт Нефти И Газа Им.И.М.Губкина | Well sucker-rod pump |
| CN2215607Y (en) * | 1993-10-11 | 1995-12-20 | 河南石油勘探局试采公司 | Jetting-proof well pump |
| CN2451758Y (en) * | 2000-11-29 | 2001-10-03 | 大庆油田有限责任公司第三采油厂 | Plunger hanging load type oil-well pump |
| CN201027642Y (en) * | 2007-04-27 | 2008-02-27 | 杨军 | Rod type underbalance oil well pump |
| CN202579123U (en) * | 2012-04-28 | 2012-12-05 | 欧阳广成 | Double-acting oil well pump with high discharge capacity |
| CN206092354U (en) * | 2016-10-17 | 2017-04-12 | 成都北方石油勘探开发技术有限公司 | Can increase oil -well pump of discharge capacity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939656A (en) * | 2017-11-17 | 2018-04-20 | 辽宁瑞智石油机械制造有限公司 | A kind of thickened-oil pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107762833B (en) | 2018-12-07 |
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