CN108843284A - A kind of draining mechanism of flexible drawing pumping unit - Google Patents
A kind of draining mechanism of flexible drawing pumping unit Download PDFInfo
- Publication number
- CN108843284A CN108843284A CN201810759251.6A CN201810759251A CN108843284A CN 108843284 A CN108843284 A CN 108843284A CN 201810759251 A CN201810759251 A CN 201810759251A CN 108843284 A CN108843284 A CN 108843284A
- Authority
- CN
- China
- Prior art keywords
- active chuck
- taper
- connector
- connecting rod
- pumping unit
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
A kind of draining mechanism of flexible drawing pumping unit of the invention, the active chuck including being fixedly installed on valve upper end can protrude into the connecting rod in oil pipe and fixed connecting rod lower end, the back taper connector for being cooperatively connected with the active chuck；Inner wall of the oil pipe close to upper end is equipped with the taper annulus that aperture is gradually reduced from bottom to top；The connecting rod pulls out valve to taper annulus, is acted on by taper annulus internal conical surface and active chuck, opens active chuck to disconnect its connection with connector；Connecting rod can be quickly and effectively attached with the valve for being fixed on oil pipe bottom by the mechanism, and pulled it standing valve seat and made oil line oil drainage.
Description
Technical field
The present invention relates to field of petroleum exploitation, in particular to a kind of draining mechanism of flexible drawing pumping unit.
Background technique
Traditional pumping unit (artificial lift is named by foreign countries) is the capital equipment of oil field middle and later periods exploitation, wherein to there is bar to adopt
Oily mode is main means.It is all that Surface power drive is passed through to rigid sucker rod by taking conventional beam machine (being commonly called as kowtowing machine) as an example
It is transmitted to the oil well pump of oil well depths, realizes and recovers the oil.
When needing well workover (or completing to recover the oil), the crude oil inside oil pipe is needed to release.Conventional oil drainage method be by
Sucker rod and the standing valve of bottom take out after being connected through a screw thread, and realize draining.It when draining, needs to rotate sucker rod, realizes
It is threadedly coupled.
And a kind of flexible drawing pumping unit, it is that power is transmitted by light flexible (rope) material.This power transmission mode,
Threaded connection cannot be realized by rotation transmitting power, it is difficult to which draining leaves production hidden danger for live well workover.
Summary of the invention
In view of this, this mechanism can the object of the present invention is to provide a kind of draining mechanism of flexible drawing pumping unit
Connecting rod is quickly and effectively attached with the valve for being fixed on oil pipe bottom, and pulling it standing valve seat lets out oil pipe
Oil.
The draining mechanism of flexible drawing pumping unit of the invention, the active chuck including being fixedly installed on valve upper end, can
The connecting rod protruded into oil pipe and fixed connecting rod lower end, the back taper for being cooperatively connected with the active chuck are connect
Head；Inner wall of the oil pipe close to upper end is equipped with the taper annulus that aperture is gradually reduced from bottom to top；The connecting rod is by valve
It pulls out to taper annulus, is acted on by taper annulus internal conical surface and active chuck, open active chuck to disconnect
The connection of itself and connector；
Further, the active chuck includes the pedestal fixed with valve, the left collet and right folder for being articulated with the pedestal
Head and the reset spring being connected between the left collet and right collet；
Further, the opposite flank of the left collet and right collet is equipped with the barb for catching on the connector；Two institutes
Stating formation inverted trapezoidal gap between barb makes the connector of back taper that can strut the active chuck；
Further, the left collet and right collet lower part extend outward to form flank, the flank outer end and oil pipe axis
The spacing of line should be less than the maximum inner diameter of the taper annulus, and be greater than the minimum diameter of taper annulus；
Further, the connecting rod upper end is equipped with makes connector and active chuck realize the negative of connection for depressing connecting rod
It carries, the load is suspended to traction rope；
Further, the maximum outside diameter of the pedestal should be less than the minimum diameter of the taper annulus；
Further, the taper annulus is made by magnetic material, is used to adsorb the activity after being detached from the connector
Collet.
Beneficial effects of the present invention：Complete recover the oil after, the rigid connection head with inverted cone-shaped structure, upper end load) weight
Power acts on lower downlink, is cooperatively connected with the active chuck of lower section；When load be pulled upwardly by rope when, connector, active chuck and
The valve connected below, synchronizes and moves upwards, so that valve is detached from valve seat, finally realizes draining.After completing draining, traction
Rope continues uplink, will be dragged on active chuck at conicity circular snap ring, is beaten active chuck using the internal conical surface of taper snap ring
It opens, is detached from it with connector, after connector and active chuck disengaging, need to continue to rise, until the plunger of upper end completely disengages
Draining (general plunger pump principle just may be implemented in plunger pump barrel：Unidirectional travelling valve, when plunger uplink, close, and when downlink beats
Open), in addition, after active chuck is separated with connector, will have been attracted by magnet since taper annulus is using magnet production,
It will not fall, otherwise can block former channel (taper fixing seat).
Detailed description of the invention
Fig. 1 is the schematic diagram in the present invention in connector and active chuck connection procedure；
Fig. 2 be the present invention in connector connect with active chuck after schematic diagram；
Fig. 3 is the schematic diagram that connecting rod drives uplink after valve disengaging in the present invention；
Fig. 4 is that connecting rod goes out in taper ring by isolated schematic diagram with active chuck in the present invention；
Fig. 5 is the schematic diagram of pedestal in the present invention.
Specific embodiment
As shown in Figs 1-4：The draining mechanism of the flexible drawing pumping unit of the present embodiment, including be fixedly installed on valve 7
The active chuck at end, 3 lower end of the connecting rod 3 that can be protruded into oil pipe 2 and fixed connecting rod, for matching with the active chuck
Close the back taper connector 9 of connection；Inner wall of the oil pipe 2 close to upper end is equipped with the taper circle that aperture is gradually reduced from bottom to top
Ring 11；The connecting rod 3 pulls out valve 7 to taper annulus 11, is pressed from both sides by 11 internal conical surface of taper annulus and activity
Head effect, opens active chuck to disconnect the connection of itself and connector 9；It completes after recovering the oil, the rigidity with inverted cone-shaped structure connects
Connector 9, the downlink under the gravity of upper end load 1), is cooperatively connected with the active chuck of lower section；When load 1 is pulled up by rope
When rising, connector 9, active chuck and the valve 7 connected below are synchronized and are moved upwards, so that valve 7 is detached from valve seat 8, most
Draining is realized eventually.After completing draining, traction rope continues uplink, will be dragged at taper annulus 11 on active chuck, utilizes taper circle
The internal conical surface of ring 11 opens active chuck, is detached from it with connector 9, and connector 9 together, pulls out oil pipe 2 with load 1.
In the present embodiment, the active chuck include the pedestal 6, left collet 10 and right collet 4 that are fixedly connected with valve 7 with
And it is connected to the reset spring 5 between the left collet 10 and right collet 4；As shown in figure 5, pedestal 6 is equipped with two hinged blocks 12,
It is respectively articulated with left collet 10 and right collet 4 by the hinge axis hole 13 on two hinged blocks 12,6 bottom of pedestal is equipped with connecting hole 14, uses
It is fixedly connected in valve 7, reset spring 5 can pull left collet 10 and right collet 4 close to each other, so that active chuck be made to press from both sides
It is close to connector 9.
In the present embodiment, the opposite flank of the left collet 10 and right collet 4 is equipped with for catching on falling for the connector 9
Hook；Inverted trapezoidal gap is formed between two barbs makes the connector 9 of back taper that can strut the active chuck；As shown in Figure 1,
When the back taper connector 9 of 3 lower end of connecting rod pushes, connector 9 can be caught in the inverted trapezoidal gap formed between two barbs,
Left collet 10 and right collet 4 are strutted using the outer conical surface of back taper connector 9, as shown in Fig. 2, connector 9, which is displaced downwardly to, to be made
Hook can catch on the upper surface of back taper connector 9, at this point, pulling up connecting rod 3, connector 9 will not be pressed from both sides from activity
Head disengages.
In the present embodiment, the left collet 10 and 4 lower part of right collet extend outward to form flank, the flank outer end (away from
From 2 central axes distalmost end of oil pipe) with the spacing of 2 central axes of oil pipe it should be less than the maximum inner diameter of the taper annulus 11, and be greater than
The minimum diameter of taper annulus 11；Therefore, when the connected bar 3 of active chuck is pulled in taper annulus 11, taper annulus 11
Internal conical surface will be contacted with the flank of left collet 10 and right collet 4, continue to move up with active chuck, taper annulus 11 it is interior
Circular conical surface, which will push left collet 10 and right collet 4 to rotate, opens active chuck, until connector 9 can take from active chuck
Out, in addition, after active chuck is separated with connector 9, will be attracted by magnet since taper annulus 11 is using magnet production
Firmly, it will not fall, avoid blocking former channel (taper fixing seat).
In the present embodiment, 3 upper end of connecting rod, which is equipped with, realizes connector 9 and active chuck for depressing connecting rod 3
The load 1 (i.e. counterweight) of connection, the load 1 are suspended to the traction rope below plunger；After transferring traction rope, connecting rod 3 will be
It pushes active chuck open under the action of 1 self weight of load and is realized with it and connect.
In the present embodiment, the maximum outside diameter of the pedestal 6 should be less than the minimum diameter of the taper annulus 11, in this way, whole
A active chuck can take out from oil pipe 2.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (7)
1. a kind of draining mechanism of flexible drawing pumping unit, it is characterised in that：Activity folder including being fixedly installed on valve upper end
Head can protrude into the connecting rod in oil pipe and fixed connecting rod lower end, the back taper for being cooperatively connected with the active chuck
Connector；Inner wall of the oil pipe close to upper end is equipped with the taper annulus that aperture is gradually reduced from bottom to top；The connecting rod will
Valve is pulled out to taper annulus, is acted on by taper annulus internal conical surface and active chuck, open active chuck with
Disconnect its connection with connector.
2. the draining mechanism of flexible drawing pumping unit according to claim 1, it is characterised in that：The active chuck includes
The pedestal that is fixedly connected with standing valve, the left collet for being articulated with the pedestal and right collet and be connected to the left collet and
Reset spring between right collet.
3. the draining mechanism of flexible drawing pumping unit according to claim 2, it is characterised in that：The left collet and right folder
The opposite flank of head is equipped with the barb for catching on the connector；Inverted trapezoidal gap is formed between two barbs makes back taper
Connector can strut the active chuck.
4. the draining mechanism of flexible drawing pumping unit according to claim 3, it is characterised in that：The left collet and right folder
Head lower part extends outward to form flank, and the spacing of the flank outer end and oil pipe central axes should be less than the maximum of the taper annulus
Internal diameter, and it is greater than the minimum diameter of taper annulus.
5. the draining mechanism of flexible drawing pumping unit according to claim 1, it is characterised in that：The connecting rod upper end is set
Have makes connector and active chuck realize that the load of connection, the load are suspended to plunger by traction rope for depressing connecting rod
Lower section.
6. the draining mechanism of flexible drawing pumping unit according to claim 2, it is characterised in that：The maximum of the pedestal is outer
Diameter should be less than the minimum diameter of the taper annulus.
7. the draining mechanism of flexible drawing pumping unit according to claim 1, it is characterised in that：The taper annulus is by magnetic
Property material production, be used for adsorb with the connector be detached from after active chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810759251.6A CN108843284A (en) | 2018-07-11 | 2018-07-11 | A kind of draining mechanism of flexible drawing pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810759251.6A CN108843284A (en) | 2018-07-11 | 2018-07-11 | A kind of draining mechanism of flexible drawing pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108843284A true CN108843284A (en) | 2018-11-20 |
Family
ID=64196855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810759251.6A Pending CN108843284A (en) | 2018-07-11 | 2018-07-11 | A kind of draining mechanism of flexible drawing pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108843284A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207760U (en) * | 1987-05-11 | 1988-02-17 | 华北石油管理局第一采油厂 | Double checked deadapter for oil discharging |
| CN2149473Y (en) * | 1993-03-15 | 1993-12-15 | 张忠信 | Oil sucking out equipment of ball locking channel type |
| CN2151244Y (en) * | 1993-03-15 | 1993-12-29 | 张忠信 | Multifunctional joint |
| WO2002068788A2 (en) * | 2001-02-26 | 2002-09-06 | 'castles' Home Services Incorporated | Well pumping unit driven by linear motor |
| CN201526282U (en) * | 2009-11-10 | 2010-07-14 | 梁伟成 | Blowout control connecting-tripping device |
| CN201650277U (en) * | 2010-03-29 | 2010-11-24 | 中国石油化工股份有限公司 | Pressure regulating safety valve puller |
| CN201884003U (en) * | 2010-05-24 | 2011-06-29 | 中国石油天然气股份有限公司 | Large-diameter shearing suspended tubing drain |
| CN106223873A (en) * | 2016-08-29 | 2016-12-14 | 中石化河南石油工程有限公司 | Plug-in type cementing wellhead power set |
| WO2017001389A1 (en) * | 2015-07-01 | 2017-01-05 | Shell Internationale Research Maatschappij B.V. | Method and system for sealing a segmented expandable cone |
| CN107013188A (en) * | 2017-05-16 | 2017-08-04 | 重庆排绳利科技有限公司 | A kind of reciprocating flexible drawing oil pumping mechanism |
| CN107654217A (en) * | 2017-11-12 | 2018-02-02 | 吉林市奥吉通泵业有限责任公司 | A kind of automatic coupling used for oil extractor of reciprocating flexible drawing and its application method |
| CN107939347A (en) * | 2017-12-29 | 2018-04-20 | 大庆元山油田技术服务有限公司 | A kind of single current draining process pipe string |
-
2018
- 2018-07-11 CN CN201810759251.6A patent/CN108843284A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207760U (en) * | 1987-05-11 | 1988-02-17 | 华北石油管理局第一采油厂 | Double checked deadapter for oil discharging |
| CN2149473Y (en) * | 1993-03-15 | 1993-12-15 | 张忠信 | Oil sucking out equipment of ball locking channel type |
| CN2151244Y (en) * | 1993-03-15 | 1993-12-29 | 张忠信 | Multifunctional joint |
| WO2002068788A2 (en) * | 2001-02-26 | 2002-09-06 | 'castles' Home Services Incorporated | Well pumping unit driven by linear motor |
| CN201526282U (en) * | 2009-11-10 | 2010-07-14 | 梁伟成 | Blowout control connecting-tripping device |
| CN201650277U (en) * | 2010-03-29 | 2010-11-24 | 中国石油化工股份有限公司 | Pressure regulating safety valve puller |
| CN201884003U (en) * | 2010-05-24 | 2011-06-29 | 中国石油天然气股份有限公司 | Large-diameter shearing suspended tubing drain |
| WO2017001389A1 (en) * | 2015-07-01 | 2017-01-05 | Shell Internationale Research Maatschappij B.V. | Method and system for sealing a segmented expandable cone |
| CN106223873A (en) * | 2016-08-29 | 2016-12-14 | 中石化河南石油工程有限公司 | Plug-in type cementing wellhead power set |
| CN107013188A (en) * | 2017-05-16 | 2017-08-04 | 重庆排绳利科技有限公司 | A kind of reciprocating flexible drawing oil pumping mechanism |
| CN107654217A (en) * | 2017-11-12 | 2018-02-02 | 吉林市奥吉通泵业有限责任公司 | A kind of automatic coupling used for oil extractor of reciprocating flexible drawing and its application method |
| CN107939347A (en) * | 2017-12-29 | 2018-04-20 | 大庆元山油田技术服务有限公司 | A kind of single current draining process pipe string |
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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 |
Application publication date: 20181120 |
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| RJ01 | Rejection of invention patent application after publication |