CN206368695U - A kind of electric submersible pump is hung and latch system without well workover machine examination pump - Google Patents
A kind of electric submersible pump is hung and latch system without well workover machine examination pump Download PDFInfo
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- CN206368695U CN206368695U CN201720062727.1U CN201720062727U CN206368695U CN 206368695 U CN206368695 U CN 206368695U CN 201720062727 U CN201720062727 U CN 201720062727U CN 206368695 U CN206368695 U CN 206368695U
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- cylinder
- latch system
- pump
- locking cylinder
- electric submersible
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Abstract
Hung the utility model discloses a kind of electric submersible pump without well workover machine examination pump and latch system, it is characterised in that：The suspension and latch system include fishing socket, back-off sub, locking cylinder, back-moving spring, reset cylinder, lock banking stop, locking cylinder, central tube, shear pin, locking cylinder connector, lower pressure cylinder；The utility model improve after, 1, lock banking stop it is not exposed；2nd, lower pressure cylinder prevents face from contacting before pushing with lock banking stop, prevents excessive impulsive force from cutting shear pin, misoperation phenomenon occurs for suspension；Prevent down-hole accident；When the 3rd, only transferring in place, resetting cylinder can just act, it is ensured that suspension a hundred per cent is in place, it is ensured that system safety；It is not required to verify whether in place, to improve efficiency in addition simultaneously.
Description
Technical field
The utility model is related to drilling applications (being drilled well), be specifically it is a kind of be applied to electric submersible pump in electric submersible pump without
Well workover machine examination pump is hung and latch system.
Background technology
Recently as shallow-layer oil field development totally, drilling depth and produced liquid in oil well moisture content more and more higher, in order to few
Well-digging, improves well yield, and directional well, horizontal well turn into main well type.And electric submersible pump also just adapts to lower pump depth, inclined shaft, greatly
The oil recovery development trend of discharge capacity.Increasing with the use of electric submersible pump, the problem of electric submersible pump examines pump also becomes increasingly conspicuous.Make now
In electric submersible pumping system, electric submersible pump and cable are integrally fixed at oil pipe lower end feeding shaft bottom, and electric submersible pump is suspended on oil pipe, greatly
Electric submersible pump and cable must just be taken out and repaired by playing flowline by post about every 2 years, then by post tripping in oil pipe by electric submersible pump
Shaft bottom is sent into cable.
However, during traditional electric pump inspection pump, having the following disadvantages：Need rig（Workover rig）, personnel are about 40 people, and the cycle is about
For 7 days, cost was high.Can be by rig, region, road, the limitation of weather is lain 7 ~ 10 days well cycles, production loss is big.
For electric submersible pumping system, existing system has the following disadvantages；
1st, lock banking stop is exposed；Easily it is stuck in during removing on sleeve pipe；
2nd, existing system is only provided with locking system at one in the top, and wet joint is far from this, may axial movement.
3rd, lock banking stop connection is unreliable, and downward putting device may not give up after decentralization in place；Cause down-hole accident；During salvaging
Lock banking stop may be moved back to return；Workover rig or rig can only be employed by the taking-up of permanent pipe string and central tube string one piece.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of electric submersible pump is provided herein without well workover machine examination pump
Suspension and latch system；The utility model improve after, 1, lock banking stop it is not exposed；2nd, lower pressure cylinder before pushing with lock banking stop internal resistance
Only face is contacted, and prevents excessive impulsive force from cutting shear pin, and misoperation phenomenon occurs for suspension；Prevent down-hole accident from sending out
It is raw；When the 3rd, only transferring in place, resetting cylinder can just act, it is ensured that suspension a hundred per cent is in place, it is ensured that system safety；Simultaneously
It is not required to verify whether in place, to improve efficiency in addition.
The utility model is achieved in that a kind of electric submersible pump of construction is hung and latch system without well workover machine examination pump, and it is special
Levy and be：The suspension and latch system include fishing socket, back-off sub, locking cylinder, back-moving spring, reset cylinder, lock banking stop, locking
Cylinder, central tube, shear pin, locking cylinder connector, lower pressure cylinder；
Back-moving spring is located at locking cylinder outside, and the lower end of back-moving spring is corresponding with resetting cylinder；Locking cylinder is located at outside central tube
Side；The fishing socket is located at the upper end of locking cylinder；Locking cylinder connector is connected by shear pin with lower pressure cylinder, lower pressure cylinder upper end
It is connected between fishing socket by silk mouthful；Back-off sub is located in fishing socket.
Hung according to a kind of electric submersible pump described in the utility model without well workover machine examination pump and latch system, it is characterised in that：Lock
Guide groove is only set on the outside of cylinder.
Hung according to a kind of electric submersible pump described in the utility model without well workover machine examination pump and latch system, it is characterised in that：Lose
Lower end at hand sets suspension groove and groove of giving up；Hanging screw is set on central tube, and central tube is suspended on by hanging screw to be lost
In suspension groove at hand.
Hung according to a kind of electric submersible pump described in the utility model without well workover machine examination pump and latch system, it is characterised in that：Beat
Fishing socket step is set inside dipper.
The utility model has the advantage of：
1st, lock banking stop is not exposed；
2nd, lower pressure cylinder prevents face from contacting before pushing with lock banking stop, prevents excessive impulsive force from cutting shear pin,
Misoperation phenomenon occurs for suspension；Prevent down-hole accident；
When the 3rd, only transferring in place, resetting cylinder can just act, it is ensured that suspension a hundred per cent is in place, it is ensured that system is pacified
Entirely；It is not required to verify whether in place, to improve efficiency in addition simultaneously.
Brief description of the drawings
Fig. 1 is the utility model suspension and latch system schematic internal view
Fig. 2 is the utility model suspension and latch system（Original state）Schematic diagram
Fig. 3-4 is the utility model suspension and latch system outside schematic diagram
Fig. 5 is the utility model locking cylinder schematic diagram
Fig. 6 is the utility model lock banking stop connection diagram
Fig. 7 is the utility model back-off sub position view
Fig. 8 is the utility model central tube schematic diagram
Fig. 9 is the utility model central tube string schematic diagram.
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of the utility model protection.
The utility model provides a kind of electric submersible pump without the suspension of well workover machine examination pump and latch system by improving, as shown in figure 1,
It can be practiced as follows；The suspension and latch system 101 include fishing socket 301, back-off sub 302, locking cylinder
303rd, back-moving spring 304, reset cylinder 305, lock banking stop 306, locking cylinder 307, central tube 308, shear pin 309, locking cylinder connect
Joint 310, lower pressure cylinder 311；Back-moving spring 304 is located at the outside of locking cylinder 303, and the lower end of back-moving spring 304 is with resetting 305 pairs of cylinder
Should；Locking cylinder 307 is located at the outside of central tube 308；The fishing socket 301 is located at the upper end of locking cylinder 303；Locking cylinder connector
310 are connected by shear pin 309 with lower pressure cylinder 311, are connected between the lower upper end of pressure cylinder 311 and fishing socket 301 by silk mouthful；Lose
302 are located in fishing socket 301 at hand.
A kind of electric submersible pump described in the utility model is hung and latch system without well workover machine examination pump, and the outside of locking cylinder 307 is set
Guide groove 312.
A kind of electric submersible pump described in the utility model is hung and latch system without well workover machine examination pump, and the lower end of back-off sub sets outstanding
Hanging groove 314 and groove 315 of giving up；Hanging screw 313 is set on central tube 308, and central tube is suspended on by hanging screw 313 and given up
In the suspension groove 314 of head.
A kind of electric submersible pump described in the utility model is hung and latch system without well workover machine examination pump, and the inside of fishing socket 301 is set
Fishing socket step.
Fig. 9 is a kind of central tube string, from top to bottom including suspension and latch system 101, pump head 102, protector 103, electricity
Machine 104, sensor and electricity getting device 105, upper compensation device 106, locking and protection device 107, lower compensation device 108, it is electrically connected
Connect inner cylinder 109.
Suspension described in the utility model and latch system working method are as follows：
1st, tripping in（Original state）：Back-moving spring 304 pushes reset cylinder 305, and lock banking stop 306 is crushed in reset cylinder 305；
2nd, when decentralization will be in place, the elder generation of cylinder 305 and the reaction torque key contacts on corresponding permanent pipe string internal wall are resetted, after
The effect of reaction torque key will reset the upward jack-up of cylinder 305 during continuous decentralization；Lock banking stop 306 can be with protruding；
When the 3rd, transferring in place, the guide groove 312 in the outside of locking cylinder 307 is fallen into reaction torque key, prevents central tube string（Electricity is latent
Pump assembly）Rotation；Bumper jar jarring back-off sub 302, is cut shear pin 309 by fishing head 301 and lower pressure cylinder 311, under
Pressure cylinder 311 supports away lock banking stop 306（Support out locking cylinder 307）；Lock banking stop 306 is with regard on locking to permanent pipe string, preventing axle
To movement；
4th, give up process：Hanging screw 313 is located on central tube 308, and central tube 308 passes through hanging screw in decentralization process
313 are suspended in the suspension groove 314 of back-off sub 302, and after shear pin 313 is cut, back-off sub 302 pushes and changes to groove of giving up
In, then back-off sub 302 is above put forward, back-off sub 302 is exited from hanging screw 313；Overall downward putting device is carried by winch wire
Go out outside well；Process of giving up is completed.
5th, process is salvaged；Fishing tool is slipped into fishing socket 301, is stuck on fishing socket step 316, is above carried, with pushing
Moved on on cylinder 311 on lock banking stop 306, the lower outer step of pressure cylinder 311 is moved in locking cylinder connector on step, will entirely hang and
Latch system lift-off off-position, resets the guide groove that cylinder 305 leaves the outside of locking cylinder 307, will be locked in return spring pressure
Limited step 306 is pushed back in reset cylinder 305；To be locked out piece spacing for lower pressure cylinder 311 simultaneously, prevents from moving down on whole suspension and latch system
It is dynamic, prevent lock banking stop to be stuck on permanent pipe string.
Suspension described in the utility model and the advantage of latch system：
1st, lock banking stop 306 is not exposed；
2nd, lower pressure cylinder 311 is contacted before pushing with prevention face in lock banking stop 306, prevents excessive impulsive force by shear pin
Cut, misoperation phenomenon occurs for suspension；Prevent down-hole accident；
When the 3rd, only transferring in place, resetting cylinder 305 can just act, it is ensured that suspension a hundred per cent is in place, it is ensured that system
Safety；It is not required to verify whether in place, to improve efficiency in addition simultaneously.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (4)
1. a kind of electric submersible pump is hung and latch system without well workover machine examination pump, it is characterised in that：The suspension and latch system（101）
Including fishing socket（301）, back-off sub（302）, locking cylinder（303）, back-moving spring（304）, reset cylinder（305）, lock banking stop
（306）, locking cylinder（307）, central tube（308）, shear pin（309）, locking cylinder connector（310）, lower pressure cylinder（311）；
Back-moving spring（304）Positioned at locking cylinder（303）Outside, back-moving spring（304）Lower end with reset cylinder（305）Correspondence；Lock
Only cylinder（307）Positioned at central tube（308）Outside；The fishing socket（301）Positioned at locking cylinder（303）Upper end；Locking cylinder connection
Head（310）Pass through shear pin（309）With lower pressure cylinder（311）Connection, lower pressure cylinder（311）Upper end and fishing socket（301）Between lead to
Silk rolling mouthful connection；Back-off sub（302）Positioned at fishing socket（301）It is interior.
2. a kind of electric submersible pump is hung and latch system without well workover machine examination pump according to claim 1, it is characterised in that：Locking cylinder
（307）Outside sets guide groove（312）.
3. a kind of electric submersible pump is hung and latch system without well workover machine examination pump according to claim 1, it is characterised in that：Back-off sub
Lower end set suspension groove（314）With groove of giving up（315）；Central tube（308）Upper setting hanging screw（313）, central tube passes through
Hanging screw（313）It is suspended on the suspension groove of back-off sub（314）It is interior.
4. a kind of electric submersible pump is hung and latch system without well workover machine examination pump according to claim 1, it is characterised in that：Fishing socket
（301）Inside sets fishing socket step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720062727.1U CN206368695U (en) | 2017-01-19 | 2017-01-19 | A kind of electric submersible pump is hung and latch system without well workover machine examination pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720062727.1U CN206368695U (en) | 2017-01-19 | 2017-01-19 | A kind of electric submersible pump is hung and latch system without well workover machine examination pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206368695U true CN206368695U (en) | 2017-08-01 |
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ID=59390694
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720062727.1U Active CN206368695U (en) | 2017-01-19 | 2017-01-19 | A kind of electric submersible pump is hung and latch system without well workover machine examination pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN206368695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837624A (en) * | 2022-05-12 | 2022-08-02 | 北京佰文恒新能源服务有限公司 | Electric submersible pump system without workover rig |
-
2017
- 2017-01-19 CN CN201720062727.1U patent/CN206368695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837624A (en) * | 2022-05-12 | 2022-08-02 | 北京佰文恒新能源服务有限公司 | Electric submersible pump system without workover rig |
| CN114837624B (en) * | 2022-05-12 | 2022-11-22 | 北京佰文恒新能源服务有限公司 | Electric submersible pump system without workover rig |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180718 Address after: 636600 No. 270 Tianfu street, Yin Town, Bazhou District, Bazhong, Sichuan Patentee after: Wang You Address before: 610051 No. 1, unit 1, Lane 5, Xiang Xiang Li lane, Chenghua District, Chengdu, Sichuan 10 Co-patentee before: Yang Yan Patentee before: Zhuang Shizhen Co-patentee before: Cao Qinmin |