CN107023471B - A kind of oil well pump and huge discharge lifting method with constant downlink power in inclined shaft - Google Patents
A kind of oil well pump and huge discharge lifting method with constant downlink power in inclined shaft Download PDFInfo
- Publication number
- CN107023471B CN107023471B CN201610070442.2A CN201610070442A CN107023471B CN 107023471 B CN107023471 B CN 107023471B CN 201610070442 A CN201610070442 A CN 201610070442A CN 107023471 B CN107023471 B CN 107023471B
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- Prior art keywords
- valve
- oil
- chamber
- pump
- reinforcement
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Classifications
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- 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
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- 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
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- 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
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- 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
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- 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
Abstract
The invention discloses a kind of to have the oil well pump and huge discharge lifting method of constant downlink power in inclined shaft, wherein oil well pump includes sequentially connected oil well pump ontology from top to bottom, power-increasing pump, the oil well pump ontology includes oil pumping barrel and the oil-pumping plunger that is built in inside oil pumping barrel, the power-increasing pump includes reinforcement pump barrel and the reinforcement plunger being built in inside reinforcement pump barrel, tapping valve is arranged in the oil-pumping plunger bottom end, reinforcement pump barrel lower end connects vacuum power valve by connector, the reinforcement upper end passes through flow guiding connector connected drainage valve, the vacuum power valve connects duplex fitting, the duplex fitting upper end connects oil pumping barrel by outer tube, the duplex fitting setting axial passage and radial passage, wherein axial passage is connected to oil pumping barrel inner cavity, and radial passage is connected to vacuum power valve bottom.The duplex fitting lower end connects liquid feed valve, and liquid feed valve upper end is connected to axial passage.Realize the economical and efficient lifting of beach areas High angle oil well.
Description
Technical field
The present invention relates to the exploitation technology of petroleum industry, specifically one kind having constant downlink power in inclined shaft
Oil well pump and huge discharge lifting method.
Background technology
With deepening continuously for oil field development, limited by surface condition and marine oil on the land need, directional well, inclined shaft with
And deviated wells become the important means of oil field development, and quantity increases year by year.Such oil well shows as that hole deviation is big, individual well Liquid output
The features such as big, and conventional sucker rod pump lifting is mostly used at present, it is primarily present problems with：Since hole angle is big, kickoff point (KOP) is high, make
Under polished rod is slow in being lifted at sucker rod pump, beam-pumping unit jig frequency be difficult to improve, the higher shallow-layer oil well of kickoff point (KOP) in part, or even can not
Normal production；It is low using conventional slant hole pump individual well day liquid energy power, live needs of production cannot be met；Because hole deviation is big,
The high rod and tube partial-wear of jig frequency is serious, the oil well production period is short.
Invention content
The purpose of the present invention is to provide a kind of to have oil well pump and the huge discharge lifting side of constant downlink power in inclined shaft
Method, solves the problems, such as under roofbolt is slow, pump efficiency is low, pump detection period is short, reaches and improves crude output, reduce input cost, extend oil
The purpose of well pump detection period, to realize the economical and efficient lifting of beach areas High angle oil well.
In order to achieve the above objectives, present invention employs following technical solution, one kind having constant downlink power in inclined shaft
Oil well pump, including sequentially connected oil well pump ontology, power-increasing pump from top to bottom, the oil well pump ontology include oil pumping barrel with
And it is built in the oil-pumping plunger inside oil pumping barrel, the power-increasing pump includes reinforcement pump barrel and is built in inside reinforcement pump barrel
Tapping valve is arranged in reinforcement plunger, the oil-pumping plunger bottom end, and reinforcement pump barrel lower end connects vacuum power valve, institute by connector
Reinforcement upper end is stated by flow guiding connector connected drainage valve, the vacuum power valve connects duplex fitting, the duplex fitting
Upper end connects oil pumping barrel by outer tube, and the duplex fitting setting axial passage and radial passage, wherein axial passage are connected to
To oil pumping barrel inner cavity, and radial passage is connected to vacuum power valve bottom.
The duplex fitting lower end connects liquid feed valve, and liquid feed valve upper end is connected to axial passage.
The space constituted between vacuum power valve bottom end and liquid feed valve upper end is first chamber；The flow guiding connector with
The space constituted between oil pumping barrel is second chamber；Structure inside connector between reinforcement pump barrel lower end and vacuum power valve
At space be third chamber.
The first chamber is connected to second chamber by axial passage, and flow guiding connector upper end opens radial hole and is connected to the second chamber
Room, the third chamber are connected to radial passage by vacuum power valve.
In order to reach above-mentioned another object, present invention employs following technical solution, one kind have in inclined shaft it is constant under
The oil well pump huge discharge lifting method of row power drives oil-pumping plunger uplink, tapping valve to close, liquid feed valve when sucker rod uplink
It opens, vacuum power valve is closed, and well liquid enters first chamber by liquid feed valve, flows through the shaft orientation flowing channel uplink of duplex fitting, simultaneously
Into second chamber；
When sucker rod downlink, liquid feed valve is closed, and tapping valve is opened, and vacuum power valve is closed, the well liquid of second chamber into
Enter flow guiding connector, then enter back into tapping valve, well head is discharged in well liquid；During this, it is quasi- vacuum environment in third chamber, increases
The third chamber of power plunger lower face and near vacuum, the upper and lower end face of reinforcement plunger form pressure difference, which is to take out
Beam hanger downlink provides power, plays the effect of power-assisted roofbolt downlink；
When hydrops and pressure reach vacuum power valve unlatching value in third chamber, vacuum power valve is forced to be opened, the
The indoor pressure of three chambers and hydrops are discharged by the radial flow path of duplex fitting.
Compared to the prior art, the invention has the advantages that：
The operation principle of the present invention：（1）When sucker rod uplink, tapping valve is closed, and liquid feed valve is opened, and vacuum power valve closes
It closes, B cavity volumes increase, and pressure reduction, well liquid enters A chambers by liquid feed valve, I uplink of runner of duplex fitting flowed through, into B chambers
Room；（2）When sucker rod downlink, liquid feed valve close, tapping valve open, vacuum power valve close, realize drain, B chamber liquids by
Flow guiding connector enters tapping valve, and well head is discharged；Be quasi- vacuum environment in C chambers during this, reinforcement plunger lower face with it is approximate
The chamber of vacuum, reinforcement plunger upper and lower end face pressure difference provide power for sucker rod downlink, play the effect of power-assisted roofbolt downlink
Fruit（3）When C cavity indoor pressures and hydrops reache a certain level, vacuum power valve is forced to be opened, cavity pressure and hydrops by
The runner II of duplex fitting discharges.
The present invention has the following advantages：1, using vacuum power valve, the upper and lower end of reinforcement plunger is utilized to greatest extent
Face pressure difference provides power-assisted for sucker rod downlink, and the size of power-assisted is only related with the lower depth of pump；2, using duplex structure, pair of formation
Runner can realize that the feed liquor of vacuum reinforcement oil well pump empties the release of pressure and hydrops with vacuum power valve respectively.
Description of the drawings
Fig. 1 is a kind of oil well pump structural schematic diagram with constant downlink power in inclined shaft of the present invention.
In figure：Oil pumping barrel 1, oil-pumping plunger 2, tapping valve 3, flow guiding connector 4, outer tube 5, reinforcement plunger 6, reinforcement pump barrel 7,
Extension pipe 8, connector 9, vacuum power valve 10, duplex fitting 11, liquid feed valve 12.
Specific implementation mode
Detailed description for the present invention and technology contents, cooperation description of the drawings it is as follows, however attached drawing only provide reference with
Purposes of discussion is not intended to limit the present invention.
According to Fig. 1, a kind of oil well pump with constant downlink power in inclined shaft, including sequentially connected oil pumping from top to bottom
Ontology, power-increasing pump are pumped, the oil well pump ontology includes oil pumping barrel 1 and the oil-pumping plunger being built in inside oil pumping barrel 2, institute
It includes reinforcement pump barrel 7 and the reinforcement plunger 6 being built in inside reinforcement pump barrel, the oil-pumping plunger bottom end setting row to state power-increasing pump
Liquid valve 3, reinforcement pump barrel lower end connect vacuum power valve 10 by connector 9, and the reinforcement upper end passes through flow guiding connector 4
Connected drainage valve 3, the vacuum power valve connect duplex fitting 11, and the duplex fitting upper end connects oil well pump by outer tube 5
Cylinder 1, runner II, wherein axial passage connect in runner I and radial passage, that is, figure in duplex fitting setting axial passage, that is, figure
Oil pumping barrel inner cavity is passed to, and radial passage is connected to vacuum power valve bottom.The duplex fitting lower end connects liquid feed valve 12,
Liquid feed valve upper end is connected to axial passage.The space constituted between vacuum power valve bottom end and liquid feed valve upper end is the first chamber
Room A；The space constituted between the flow guiding connector and oil pumping barrel is second chamber B；Reinforcement pump barrel lower end increases with vacuum
The space of connector Inner Constitution between power valve is third cavity C.The first chamber is connected to the second chamber by axial passage
Radial hole connection second chamber is opened in room, flow guiding connector upper end, and the third chamber is connected to radial passage by vacuum power valve.
Outer cylinder portion：Oil pumping barrel is connect with outer tube, the outer barrel connection of outer tube lower part and duplex fitting, outside duplex fitting
Cylinder is connect with liquid feed valve；Inner cylindrical portion：Tapping valve lower part is connect with flow guiding connector, and flow guiding connector is connect with reinforcement plunger；Reinforcement
Pump barrel is connect by connector with vacuum power valve；Vacuum power valve lower part is connect with duplex fitting inner cylinder, by duplex fitting outside
Cylinder is connect with liquid feed valve.
The present invention the course of work be：
（1）When sucker rod uplink, tapping valve 3 is closed, and liquid feed valve 12 is opened, and vacuum power valve 10 is closed, and well liquid is by feed liquor
Valve 12 enters A chambers, flows through I uplink of runner of duplex fitting 11, while entering B chambers.
（2）When sucker rod downlink, liquid feed valve 12 is closed, and tapping valve 3 is opened, and vacuum power valve 10 is closed, and realizes drain, B
Chamber liquid enters tapping valve 3 by flow guiding connector 4, and well head is discharged；It is quasi- vacuum environment, reinforcement plunger in C chambers during this
The chamber of 6 lower faces and near vacuum, 6 upper and lower end face pressure difference of reinforcement plunger provide power for sucker rod downlink, play and help
The effect of power roofbolt downlink.
（3）When C cavity indoor pressures and hydrops reach setting degree, vacuum power valve 10 is forced to be opened, C cavity pressures
And hydrops is discharged by the runner II of duplex fitting 11.
The foregoing is merely presently preferred embodiments of the present invention, and non-to limit the scope of the claims of the present invention, other are with this
The equivalence changes of the patent spirit of invention should all belong to the scope of the claims of the present invention.
Claims (2)
1. a kind of oil well pump with constant downlink power in inclined shaft, which is characterized in that including sequentially connected pumping from top to bottom
Oil pump body, power-increasing pump, the oil well pump ontology include oil pumping barrel and the oil-pumping plunger that is built in inside oil pumping barrel, institute
It includes reinforcement pump barrel and the reinforcement plunger being built in inside reinforcement pump barrel to state power-increasing pump, and drain is arranged in the oil-pumping plunger bottom end
Valve, reinforcement pump barrel lower end connect vacuum power valve by connector, and the reinforcement upper end is connected by flow guiding connector and arranged
Liquid valve, the vacuum power valve connect duplex fitting, and the duplex fitting upper end connects oil pumping barrel, the bilateral by outer tube
Axial passage and radial passage is arranged in connector, and wherein axial passage is connected to oil pumping barrel inner cavity, and radial passage is connected to very
Empty power valve bottom；
The duplex fitting lower end connects liquid feed valve, and liquid feed valve upper end is connected to axial passage；Vacuum power valve bottom end and feed liquor
The space constituted between valve upper end is first chamber；The space constituted between the flow guiding connector and oil pumping barrel is the second chamber
Room；The space of connector Inner Constitution between reinforcement pump barrel lower end and vacuum power valve is third chamber；First chamber is logical
It crosses axial passage and is connected to second chamber, radial hole connection second chamber is opened in flow guiding connector upper end, and the third chamber passes through true
Empty power valve is connected to radial passage.
2. the oil well pump huge discharge lifting method with constant downlink power, feature exist in inclined shaft described in a kind of claim 1
In, when sucker rod uplink, oil-pumping plunger uplink, tapping valve is driven to close, liquid feed valve unlatching, the closing of vacuum power valve, well liquid
First chamber is entered by liquid feed valve, flows through the shaft orientation flowing channel uplink of duplex fitting, while entering second chamber；
When sucker rod downlink, liquid feed valve is closed, and tapping valve is opened, and vacuum power valve is closed, and the well liquid of second chamber, which enters, to be led
Connector is flowed, tapping valve is then entered back into, well head is discharged in well liquid；It is quasi- vacuum environment, reinforcement column in third chamber during this
The third chamber of lower face and near vacuum is filled in, the upper and lower end face of reinforcement plunger forms pressure difference, which is sucker rod
Downlink provides power, plays the effect of power-assisted roofbolt downlink；
When hydrops and pressure reach vacuum power valve unlatching value in third chamber, vacuum power valve is forced to be opened, third chamber
Indoor pressure and hydrops are discharged by the radial flow path of duplex fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610070442.2A CN107023471B (en) | 2016-01-31 | 2016-01-31 | A kind of oil well pump and huge discharge lifting method with constant downlink power in inclined shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610070442.2A CN107023471B (en) | 2016-01-31 | 2016-01-31 | A kind of oil well pump and huge discharge lifting method with constant downlink power in inclined shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107023471A CN107023471A (en) | 2017-08-08 |
| CN107023471B true CN107023471B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610070442.2A Active CN107023471B (en) | 2016-01-31 | 2016-01-31 | A kind of oil well pump and huge discharge lifting method with constant downlink power in inclined shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107023471B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109424529A (en) * | 2017-09-04 | 2019-03-05 | 中国石油化工股份有限公司 | There is the whole liquid oil well pump out of bar lifting |
| CN110821802A (en) * | 2018-08-10 | 2020-02-21 | 中国石油化工股份有限公司 | Force-increasing and pumping-assisting device and method for viscous oil inclined shaft |
| CN113914824B (en) * | 2020-07-07 | 2024-03-01 | 中国石油化工股份有限公司 | Underground follow-up sealing production increasing pipe column capable of flushing well and efficient lifting method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2372191A (en) * | 1944-05-05 | 1945-03-27 | S D Whetstone | Vacuum pump |
| US2743677A (en) * | 1951-10-19 | 1956-05-01 | Charles T Fleming | Buoyant pump rod and booster valve for oil well pumps |
| US4421463A (en) * | 1981-07-08 | 1983-12-20 | Jeff D. Morgan | Downhole pump |
| CN2065255U (en) * | 1990-02-17 | 1990-11-07 | 胜利石油管理局总机械厂 | Pressure-compensated double-action oil pump |
| US7410012B2 (en) * | 2002-03-18 | 2008-08-12 | Petrochina Company Limited | Hydraulic automatic boosting pump |
| CN103133339A (en) * | 2011-11-28 | 2013-06-05 | 潘美林 | Two-stage compression oil well pump and oil pump process thereof |
| CN103133302A (en) * | 2011-11-28 | 2013-06-05 | 潘美林 | Two-stage compression oil well pump |
| CN205330630U (en) * | 2016-01-31 | 2016-06-22 | 中国石油化工股份有限公司 | Vacuum reinforcement oil -well pump with invariable down power |
-
2016
- 2016-01-31 CN CN201610070442.2A patent/CN107023471B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2372191A (en) * | 1944-05-05 | 1945-03-27 | S D Whetstone | Vacuum pump |
| US2743677A (en) * | 1951-10-19 | 1956-05-01 | Charles T Fleming | Buoyant pump rod and booster valve for oil well pumps |
| US4421463A (en) * | 1981-07-08 | 1983-12-20 | Jeff D. Morgan | Downhole pump |
| CN2065255U (en) * | 1990-02-17 | 1990-11-07 | 胜利石油管理局总机械厂 | Pressure-compensated double-action oil pump |
| US7410012B2 (en) * | 2002-03-18 | 2008-08-12 | Petrochina Company Limited | Hydraulic automatic boosting pump |
| CN103133339A (en) * | 2011-11-28 | 2013-06-05 | 潘美林 | Two-stage compression oil well pump and oil pump process thereof |
| CN103133302A (en) * | 2011-11-28 | 2013-06-05 | 潘美林 | Two-stage compression oil well pump |
| CN205330630U (en) * | 2016-01-31 | 2016-06-22 | 中国石油化工股份有限公司 | Vacuum reinforcement oil -well pump with invariable down power |
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| Publication number | Publication date |
|---|---|
| CN107023471A (en) | 2017-08-08 |
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