CN108980018A - Soft sealing flexible pump barrel plunger pump - Google Patents
Soft sealing flexible pump barrel plunger pump Download PDFInfo
- Publication number
- CN108980018A CN108980018A CN201810833569.4A CN201810833569A CN108980018A CN 108980018 A CN108980018 A CN 108980018A CN 201810833569 A CN201810833569 A CN 201810833569A CN 108980018 A CN108980018 A CN 108980018A
- Authority
- CN
- China
- Prior art keywords
- pump
- plunger
- travelling valve
- moving valve
- flexible
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 25
- 239000007769 metal material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 210000003660 reticulum Anatomy 0.000 description 9
- 239000004519 grease Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 3
- 239000011206 ternary composite Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- F04B53/125—Reciprocating valves
- F04B53/126—Ball valves
-
- 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
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
-
- 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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention relates to the technical field of oil extraction in oil fields, and belongs to a soft-seal flexible pump barrel plunger pump which prolongs the pump detection period and realizes efficient lifting. The plunger pump solves the problems of large lower stroke resistance, short pump detection period, easiness in pump clamping and the like of the traditional plunger pump. The invention consists of a flexible pump cylinder (1), an upper oil outlet joint (2), a plunger (3), an elastic sealing ring (4), a moving valve cover (5), a moving valve ball (6), a moving valve seat (7) and a moving valve plug (8); the plunger (3) is placed in the flexible pump barrel (1), the upper oil outlet connector (2) is in threaded connection with the upper portion of the plunger (3), the upper portion of the moving valve cover (5) is in threaded connection with the lower portion of the plunger (3), and the lower portion of the moving valve cover (5) is in threaded connection with the moving valve plug (8). The invention has the advantages of reducing down stroke resistance, reducing the bending degree of the sucker rod, slowing down the abrasion of the rod pipe, preventing solid particles from blocking the pump, prolonging the pump detection period, realizing high-efficiency lifting and the like.
Description
Technical field
The present invention relates to oil extraction in oil field technical fields, belong to extension pump detection period, realize a kind of soft seal efficiently lifted
Flexible pump plunger and barrel pump.
Background technique
In field of oil field oil extraction, plunger pump has been obtained extensively as a kind of lifting equipment in poly- drive, ternary composite driving, water drive
General application.With the exploitation in oil field, conventional plunger pump gradually exposes some inadaptabilities in application process, be primarily present with
Lower problem, first, in polymer displacement oil well since polymer viscosity is larger, cause plunger down stroke resistance increase, rod sag deformation
Seriously, accelerator rod pipe abrasion.The second, it is easy to cause pump to occur during operation in ternary composite driving well grease, solid particle
The phenomenon that holddown, shortens pump detection period, reduces system effectiveness.Third, when liquid contains more gas, will cause liquid hammer, lead
Tubing string vibration is caused, meanwhile, it is easy to produce gas lock phenomenon.
Summary of the invention
The object of the present invention is to provide for poly- drive, ternary composite driving, plunger down stroke resistance can be reduced, mitigate rod tube
The degree of wear prevents sand card, dirt card, gas lock phenomenon is avoided to occur, extending a kind of soft seal flexibility pump plunger and barrel of pump detection period
Pump.
The technical scheme adopted by the invention is that: the present invention by flexible pump barrel, upper delivery connection, plunger, elastic sealing ring,
Move about valve bonnet, travelling valve ball, travelling valve seat, travelling valve plug composition；Wherein plunger is put into flexible pump barrel, upper delivery connection with
Plunger upper part screwed connection, elastic sealing ring are placed in the outer wall groove of plunger, travelling valve bonnet top and the screwed connection of plunger lower part,
Travelling valve bonnet is provided with travelling valve ball and travelling valve seat, and travelling valve ball is placed in travelling valve seat, and move about valve bonnet lower part and travelling valve
Plug screwed connection.
Flexible pump barrel and elastic sealing ring are all non-metallic material；30-40 elastic packing is installed in the outer wall groove of plunger
Ring.
Compared with the prior art the present invention has the following beneficial effects:
1, upstroke passes through the expansion deformation of elastic sealing ring, can be bonded completely with flexible pump barrel, enhancing plunger and flexible pump barrel
Leakproofness.The gap for increasing plunger and flexible pump barrel when down stroke elastic sealing ring is shunk, reduces down stroke resistance, mitigates and takes out
Beam hanger bending degree slows down rod tube abrasion.
2, upstroke moves, and is expanded by elastic sealing ring, scrapes off the grease of flexible pump tube inner surface attachment, down stroke bullet
Property sealing ring shrink, the grease scraped can be fallen by plunger with flexibility pump barrel gap, prevented grease and solid particle holddown, prolonged
Long pump detection period.
3, elastic sealing ring has self-complementary compensation characteristics in a certain range, when elastic sealing ring is ground
Phenomenon is damaged, under the effect of upstroke fluid pressure, the sustainable realization of elastic sealing ring expands deformation, with
Pump barrel is bonded completely, keeps pump efficiency.
Detailed description of the invention: Fig. 1 is the structural diagram of the present invention.
In figure: 1-flexible pump barrel, 2-upper delivery connections, 3-plungers, 4-elastic sealing rings, 5-travelling valve bonnets, 6-
Travelling valve ball, 7-travelling valve seats, 8-travelling valve plugs.
Specific embodiment: the present invention will be further explained below with reference to the attached drawings: the present invention goes out by flexible pump barrel 1, above
Oily connector 2, plunger 3, elastic sealing ring 4, travelling valve bonnet 5, travelling valve ball 6, travelling valve seat 7, travelling valve plug 8 form；Wherein
Plunger 3 is put into flexible pump barrel 1, and upper delivery connection 2 and 3 top screwed connection of plunger, elastic sealing ring 4 are placed on the outer of plunger 3
In wall trench, travelling 5 top of valve bonnet and 3 lower part screwed connection of plunger, travelling valve bonnet 5 are provided with travelling valve ball 6 and travelling valve seat 7,
Travelling valve ball 6 is placed in travelling valve seat 7, travelling 5 lower part of valve bonnet and 8 screwed connection of travelling valve plug.
Flexible pump barrel 1 and elastic sealing ring 4 are all non-metallic material；30-40 elasticity of installation is close in the outer wall groove of plunger 3
Seal ring 4.
At the scene when practical application, plunger 3 and flexible pump barrel 1 with elastic sealing ring 4 cooperate,
Since plunger is shorter, elastic sealing ring 4 has the characteristic of flexible expansion, therefore lower to the requirement of flexible 1 straightness of pump barrel,
It even if Light deformation occurs in flexible pump barrel 1, by the expansion deformation of elastic sealing ring 4, can be bonded completely, enhance with flexible pump barrel 1
The leakproofness of plunger 3 and flexible pump barrel 1, improves pump efficiency.Flexible 1 inner surface of pump barrel is non-metallic material, has certain elasticity micro-
Deformation, grease are not easy to be attached to flexible 1 inner surface of pump barrel, and in the operation of 3 upstroke of plunger, elastic sealing ring 4 is in fluid pressure
Effect is lower to expand deformation, is bonded completely with flexible pump barrel 1, scrapes off the grease of flexible 1 inner surface of pump barrel attachment, meanwhile, it is tiny solid
Body particle can be embedded in inner surface by the elastic Light deformation of flexible pump barrel 1, be not easy to cause holddown.Down stroke elastic sealing ring 4
It shrinks, increases the gap of plunger 3 and flexible pump barrel 1, the grease and solid particle scraped can be by between plunger 3 and flexible pump barrel 1
Gap is fallen, and prevents from leading to holddown due to grease and solid particle, while reducing down stroke resistance, mitigates rod sag degree,
Slow down rod tube abrasion.When containing more gas in liquid, gas can the gap between plunger 3 and flexible pump barrel 1 flow to
3 top of plunger avoids gas lock phenomenon from occurring, and extends pump detection period, realizes efficiently lifting.
Claims (3)
1. a kind of soft seal flexibility pump plunger and barrel pump, it is characterised in that: it is by flexible pump barrel (1), upper delivery connection (2), plunger
(3), elastic sealing ring (4), travelling valve bonnet (5), travelling valve ball (6), travelling valve seat (7), travelling valve plug (8) composition；Wherein
Plunger (3) is put into flexible pump barrel (1), and upper delivery connection (2) and plunger (3) top screwed connection, elastic sealing ring (4) are placed on
In the outer wall groove of plunger (3), travelling valve bonnet (5) top and plunger (3) lower part screwed connection, travelling valve bonnet (5) are provided with travelling
Valve ball (6) and travelling valve seat (7), travelling valve ball (6) are placed on travelling valve seat (7), travelling valve bonnet (5) lower part and travelling valve plug
(8) screwed connection.
2. a kind of soft seal flexibility pump plunger and barrel pump according to claim 1, it is characterised in that: flexible pump barrel (1) and bullet
Property sealing ring (4) all be non-metallic material.
3. a kind of soft seal flexibility pump plunger and barrel pump according to claim 1, it is characterised in that: the outer wall groove of plunger (3)
Interior 30-40 elastic sealing ring of installation (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810833569.4A CN108980018A (en) | 2018-07-26 | 2018-07-26 | Soft sealing flexible pump barrel plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810833569.4A CN108980018A (en) | 2018-07-26 | 2018-07-26 | Soft sealing flexible pump barrel plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108980018A true CN108980018A (en) | 2018-12-11 |
Family
ID=64551289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810833569.4A Pending CN108980018A (en) | 2018-07-26 | 2018-07-26 | Soft sealing flexible pump barrel plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108980018A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608904A (en) * | 2020-05-27 | 2020-09-01 | 青岛新胜石油机械有限公司 | Flexible sealing plunger pump |
| CN114427529A (en) * | 2022-04-07 | 2022-05-03 | 天津市益彰石油科技发展有限公司 | Lifting device for reducing stroke resistance of sucker rod |
| CN116025550A (en) * | 2021-10-27 | 2023-04-28 | 大庆油田有限责任公司 | Suspension type flexible pump barrel plunger pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2213261C1 (en) * | 2002-05-20 | 2003-09-27 | Закрытое акционерное общество "ЭЛКАМ-нефтемаш" | Oil-well sucker-rod pump |
| CA2716685A1 (en) * | 2009-10-07 | 2011-04-07 | Michael B. Borden | Multi-piece pressure operated rings for a downhole pump plunger |
| CN202900602U (en) * | 2012-10-30 | 2013-04-24 | 山东寿光市坤隆石油机械股份有限公司 | Soft-sealing sand control pump |
| CN203685552U (en) * | 2013-09-26 | 2014-07-02 | 姬胜国 | Oil pump capable of preventing oil from leaking from clearance between piston and pump cylinder |
| CN203867840U (en) * | 2014-05-08 | 2014-10-08 | 王颖 | Organic six-prevention rod-type downhole reciprocating pump |
-
2018
- 2018-07-26 CN CN201810833569.4A patent/CN108980018A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2213261C1 (en) * | 2002-05-20 | 2003-09-27 | Закрытое акционерное общество "ЭЛКАМ-нефтемаш" | Oil-well sucker-rod pump |
| CA2716685A1 (en) * | 2009-10-07 | 2011-04-07 | Michael B. Borden | Multi-piece pressure operated rings for a downhole pump plunger |
| CN202900602U (en) * | 2012-10-30 | 2013-04-24 | 山东寿光市坤隆石油机械股份有限公司 | Soft-sealing sand control pump |
| CN203685552U (en) * | 2013-09-26 | 2014-07-02 | 姬胜国 | Oil pump capable of preventing oil from leaking from clearance between piston and pump cylinder |
| CN203867840U (en) * | 2014-05-08 | 2014-10-08 | 王颖 | Organic six-prevention rod-type downhole reciprocating pump |
Non-Patent Citations (1)
| Title |
|---|
| 许家勤等: ""组合柱塞防卡抽油泵的设计"", 《石油机械》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608904A (en) * | 2020-05-27 | 2020-09-01 | 青岛新胜石油机械有限公司 | Flexible sealing plunger pump |
| CN116025550A (en) * | 2021-10-27 | 2023-04-28 | 大庆油田有限责任公司 | Suspension type flexible pump barrel plunger pump |
| CN114427529A (en) * | 2022-04-07 | 2022-05-03 | 天津市益彰石油科技发展有限公司 | Lifting device for reducing stroke resistance of sucker rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181211 |