CN202659185U - Elastic release releasing tool - Google Patents

Elastic release releasing tool Download PDF

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Publication number
CN202659185U
CN202659185U CN 201220314125 CN201220314125U CN202659185U CN 202659185 U CN202659185 U CN 202659185U CN 201220314125 CN201220314125 CN 201220314125 CN 201220314125 U CN201220314125 U CN 201220314125U CN 202659185 U CN202659185 U CN 202659185U
Authority
CN
China
Prior art keywords
pawl
claw
giving
core barrel
seat
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.)
Expired - Fee Related
Application number
CN 201220314125
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Chinese (zh)
Inventor
陈亮
左霞
李新强
穆总结
赵继斌
柯学
玛依拉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNPC Xibu Drilling Engineering Co Ltd
Original Assignee
CNPC Xibu Drilling Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CNPC Xibu Drilling Engineering Co Ltd filed Critical CNPC Xibu Drilling Engineering Co Ltd
Priority to CN 201220314125 priority Critical patent/CN202659185U/en
Application granted granted Critical
Publication of CN202659185U publication Critical patent/CN202659185U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the technical field of oil solid completion releasing tool devices, in particular to an elastic release releasing tool, which comprises an outer cylinder, a releasing jaw seat, a center pipe, a releasing jaw sleeve and a releasing jaw cylinder, wherein a ring-shaped groove is arranged on the inner wall of the lower portion of the outer cylinder, the upper portion of the releasing jaw seat is fixedly arranged in the ring-shaped groove, the upper portion of the center pipe is sleeved in the outer cylinder, a releasing jaw sleeve is fixedly arranged on the lower end of the center pipe, the releasing jaw sleeve is arranged in the releasing jaw seat, the releasing jaw cylinder is sleeved in the outer cylinder, clamping jaw interrupted tanks with downward openings are distributed on the lower end of the releasing jaw cylinder, elastic clamping jaws which can inwardly contract can be formed on the lower end of the releasing jaw cylinder, and a center pipe outer ring table is arranged on the outer side of the middle portion of the center pipe. The elastic release releasing tool is reasonable and compact in structure and convenient to use, enables the center pipe outer ring table to release from the releasing jaw cylinder by downwardly pressing the center pipe, and enables the elastic clamping jaw to retract after being elastically released, thereby achieving releasing operation, supplying additional contraction force for the elastic clamping jaw through a radial tension spring, and guaranteeing smooth implementation of the releasing operation.

Description

Elasticity discharges releasing tool
Technical field
The utility model relates to the solid completion releasing tool device technique field of oil, is that a kind of elasticity discharges releasing tool.
Background technology
In solid completion practice, utilizing releasing tool that the completion tubular string is sent into shaft bottom design well depth is present the most frequently used technological means, Gu after completion practice finishes, utilize the characteristics of releasing tool self, the realization operation of giving up, propose running tool, thereby satisfy the requirement of on-the-spot completion practice, yet, it is unreliable that the at present releasing tool of the field existence is given up, even situation about can not give up, affect the completion subsequent job and implement, greatly increased cost and controlled risk.
Summary of the invention
The utility model provides a kind of elasticity to discharge releasing tool, has overcome the deficiency of above-mentioned prior art, its can effectively solve solid completion practice finish after the releasing tool problem unreliable even that can not give up of giving up.
The technical solution of the utility model realizes by following measures: a kind of elasticity discharges releasing tool, comprises outer cylinder body, the pawl seat of giving up, central tube, the pawl of giving up cover and the pawl cylinder of giving up; On the lower inner wall of outer cylinder body annular groove is arranged, the pawl seat top of giving up is fixedly mounted in the annular groove, and central tube top is sleeved in the outer cylinder body, and the lower end of central tube is installed with the pawl cover of giving up, and the pawl cover of giving up is sleeved in the pawl seat of giving up; The pawl jacket casing of giving up is contained in outer cylinder body inside, the give up lower end of pawl cylinder is distributed with downward opening claw distinguish groove and forms the elastic card claw that can inwardly shrink, there is core barrel outer shroud platform, core barrel outer shroud platform to be sleeved on to give up pawl tube inner chamber bottom in the outside, the middle part of central tube and makes the elastic card claw lower end of opening be fixed on the pawl seat top of giving up.
The below is the further optimization and/or improvements to above-mentioned utility model technical scheme:
The outer middle side part of above-mentioned elastic card claw can have spring groove and the radial pull spring is installed.
The above-mentioned pawl cover of giving up can comprise pawl sleeve body and pawl cover pedestal, the lower end of pawl sleeve body and pawl cover pedestal upper end outer rim are connected as a single entity, there is the outside lower end of central tube with the core barrel axle journal of core barrel screw thread, the middle part, upper surface of pawl cover pedestal has core barrel that counterbore is installed, the pawl cover internal thread that matches with the core barrel screw thread is arranged on the upper inside wall of core barrel installation counterbore, there is pawl cover through hole at the middle part, bottom surface that core barrel is installed counterbore, the core barrel axle journal is fixedly mounted on the pawl cover pedestal by core barrel screw thread and pawl cover internal thread, and the inner chamber lower end of central tube is connected with pawl cover through hole upper end.
Above-mentioned each elastic card claw lower outside can have the claw boss respectively, and elastic card claw is fixed on the pawl seat top of giving up by the claw boss; The upper surface of the annular groove of outer cylinder body is the up-small and down-big guiding conical surface, and there is the claw conical surface that matches with the guiding conical surface upper end of claw boss, and claw boss outer end is installed on annular groove inner chamber top, and the claw conical surface is pressed on the guiding conical surface.
On the lower inner wall of above-mentioned annular groove the urceolus internal thread can be arranged, pawl seat axle journal is arranged at the give up top of pawl seat, there is the pawl seat external screw thread that matches with the urceolus internal thread in the outside of pawl seat axle journal, pawl seat axle journal is fixedly mounted on the annular groove bottom by pawl seat external screw thread and urceolus internal thread, the lower end outer rim of claw boss is sitting on the upper surface of pawl seat axle journal, and the lower end inner edge of claw boss is sitting on the upper surface of pawl sleeve body.
Above-mentioned claw distinguish groove can be evenly distributed on the lower surface of the pawl cylinder of giving up, the position of the upper end of pawl seat axle journal corresponding claw distinguish groove can be fixed with respectively pawl seat claw, pawl seat catch jacket is contained in annular groove inner chamber top and between two adjacent claw boss, the position of corresponding claw distinguish groove can be fixed with respectively seat cylinder claw on the upper surface of pawl sleeve body, and seat cylinder catch jacket is contained in the outer cylinder body and between two adjacent elastic card claws.
Core barrel counterbore seal groove can be arranged and core barrel counterbore sealing ring is installed on the lower inner wall of above-mentioned core barrel installation counterbore, but pawl block set seal groove be arranged and pawl block set sealing ring is installed on the lateral surface of pawl cover pedestal.
The above-mentioned pawl cylinder top of giving up can be installed with connecting short section, and connecting short section is sleeved on the central tube outside and can moves up and down.
The utility model reasonable and compact in structure, easy to use, make core barrel outer shroud platform break away from the pawl cylinder of giving up by pressing down central tube, retraction after elastic card claw elasticity is discharged, thereby realize giving up operation, the radial pull spring can be elastic card claw extra convergent force is provided, and the operation that guarantees to give up is implemented smoothly.
Description of drawings
Accompanying drawing 1 is the sectional structure schematic diagram of the utility model most preferred embodiment.
Accompanying drawing 2 partly cuts open structural representation for the master of the pawl cylinder of giving up in the accompanying drawing 1 looks.
Accompanying drawing 3 is looked the sectional structure schematic diagram for the master who grabs cover that gives up in the accompanying drawing 1.
Accompanying drawing 4 partly cuts open structural representation for the master of the pawl seat of giving up in the accompanying drawing 1 looks.
Coding in the accompanying drawing is respectively: 1 for outer cylinder body, and 2 for giving up the pawl seat, manages centered by 3,4 are the pawl cylinder of giving up, and 5 is annular groove, and 6 is claw distinguish groove, 7 is elastic card claw, and 8 is core barrel outer shroud platform, and 9 is spring groove, 10 is the radial pull spring, and 11 is the pawl sleeve body, and 12 are pawl cover pedestal, 13 are core barrel installation counterbore, 14 are pawl cover internal thread, and 15 are pawl cover through hole, and 16 is the claw boss, 17 is the claw conical surface, 18 is the urceolus internal thread, and 19 is pawl seat axle journal, and 20 is pawl seat claw, 21 is seat cylinder claw, 22 is core barrel counterbore sealing ring, and 23 is pawl block set sealing ring, and 24 is connecting short section.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description is described, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1,2, this elasticity discharges that releasing tool comprises outer cylinder body 1, the pawl seat 2 of giving up, central tube 3, the pawl of giving up cover and the pawl cylinder 4 of giving up; Annular groove 5 is arranged on the lower inner wall of outer cylinder body 1, and pawl seat 2 tops of giving up are fixedly mounted in the annular groove 5, and central tube 3 tops are sleeved in the outer cylinder body 1, and the lower end of central tube 3 is installed with the pawl cover of giving up, and the pawl cover of giving up is sleeved in the pawl seat 2 of giving up; The pawl cylinder 4 of giving up is sleeved on outer cylinder body 1 inside, the give up lower end of pawl cylinder 4 is distributed with downward opening claw distinguish groove 6 and forms the elastic card claw 7 that can inwardly shrink, there are core barrel outer shroud platform 8, core barrel outer shroud platform 8 to be sleeved on to give up pawl cylinder 4 inner chamber bottoms in the outside, the middle part of central tube 3 and make elastic card claw 7 lower ends of opening be fixed on pawl seat 2 tops of giving up.Press down central tube 3 by running tool, core barrel outer shroud platform 8 is moved down and break away from pawl cylinder 4 inner chambers of giving up, elastic card claw 7 shrinks under self elastic reaction and breaks away from the pawl seat 2 of giving up, on carry central tube 3, central tube 3, the pawl of giving up cover and the pawl cylinder 4 of giving up can be proposed together, give up thereby finish.
Can according to actual needs, above-mentioned elasticity be discharged releasing tool make further optimization and/or improvements:
Shown in accompanying drawing 1,2, the outer middle side part of elastic card claw 7 has spring groove 9 and radial pull spring 10 is installed.Radial pull spring 10 can provide extra convergent force for elastic card claw 7, and the operation that guarantees to give up is implemented smoothly.
Such as accompanying drawing 1, shown in 3, the pawl cover of giving up comprises pawl sleeve body 11 and pawl cover pedestal 12, the lower end of pawl sleeve body 11 and pawl cover pedestal 12 upper end outer rims are connected as a single entity, there is the outside lower end of central tube 3 with the core barrel axle journal of core barrel screw thread, the middle part, upper surface of pawl cover pedestal 12 has core barrel that counterbore 13 is installed, the pawl cover internal thread 14 that matches with the core barrel screw thread is arranged on the upper inside wall of core barrel installation counterbore 13, there is pawl cover through hole 15 at the middle part, bottom surface that core barrel is installed counterbore 13, the core barrel axle journal is fixedly mounted on the pawl cover pedestal 12 by core barrel screw thread and pawl cover internal thread 14, and the inner chamber lower end of central tube 3 is connected with pawl cover through hole 15 upper ends.Central tube 3 lower ends are fixedly connected on the pawl cover pedestal 12, on carry central tube 3 and can drive on pawl cover pedestal 12 and the pawl sleeve body 11 and move, move on the pawl sleeve body 11 and can drive the sliding sleeve 7 that surges and move on together, reclaim again utilize convenient.
Shown in accompanying drawing 1,2, each elastic card claw 7 lower outside has respectively claw boss 16, and elastic card claw 7 is fixed on pawl seat 2 tops of giving up by claw boss 16; The upper surface of the annular groove 5 of outer cylinder body 1 is the up-small and down-big guiding conical surface, there is the claw conical surface 17 that matches with the guiding conical surface upper end of claw boss 16, claw boss 16 outer ends are installed on annular groove 5 inner chamber tops, and the claw conical surface 17 is pressed on the guiding conical surface.
Shown in accompanying drawing 1,2,3,4, urceolus internal thread 18 is arranged on the lower inner wall of annular groove 5, pawl seat axle journal 19 is arranged at the give up top of pawl seat 2, there is the pawl seat external screw thread that matches with urceolus internal thread 18 in the outside of pawl seat axle journal 19, pawl seat axle journal 19 is fixedly mounted on annular groove 5 bottoms by pawl seat external screw thread and urceolus internal thread 18, the lower end outer rim of claw boss 16 is sitting on the upper surface of pawl seat axle journal 19, and the lower end inner edge of claw boss 16 is sitting on the upper surface of pawl sleeve body 11.It is more reliable by claw boss 16 elastic card claw 7 to be fixed in annular groove 5 inner chambers, and the guiding conical surface and the claw conical surface 17 can make claw boss 16 deviate from smoothly afterwards annular groove 5 at retraction.
Shown in accompanying drawing 1,2,3,4, claw distinguish groove 6 is evenly distributed on the lower surface of the pawl cylinder 4 of giving up, the position of the upper end of pawl seat axle journal 19 corresponding claw distinguish groove 6 is fixed with respectively pawl seat claw 20, pawl seat claw 20 is sleeved on annular groove 5 inner chamber tops and between two adjacent claw boss 16, the position of corresponding claw distinguish groove 6 is fixed with respectively seat cylinder claw 21 on the upper surface of pawl sleeve body 11, and seat cylinder claw 21 is sleeved in the outer cylinder body 1 and between two adjacent elastic card claws 7.Pawl seat claw 20 and seat cylinder claw 21 are stuck in the claw distinguish groove 6, elastic card claw 7 and pawl seat claw 20 and seat cylinder claw 21 are interlocked, by the pawl cylinder 4 of giving up is rotated, elastic card claw 7 can drive pawl seat claw 20 and seat cylinder claw 21 rotates, final realize driving outside pawl seat 2 and the outer cylinder body 1 of giving up and rotates together the realization mix and blend.
As shown in Figure 1, core barrel counterbore seal groove is arranged and core barrel counterbore sealing ring 22 is installed on the lower inner wall of core barrel installation counterbore 13, pawl block set seal groove is arranged and pawl block set sealing ring 23 is installed on the lateral surface of pawl cover pedestal 12.Like this, core barrel counterbore sealing ring 22 is installed between the lower inner wall of counterbore 13 and central tube 3 outsides core barrel to keep sealing, can counterbore 13 inwalls be installed along core barrel with the pressure fluid in assurance central tube 3 inner chambers and leak to pawl cover pedestal 12 tops, pawl block set sealing ring 23 makes to give up and keeps sealing between pawl seat 2 and the pawl of the giving up cover.
As shown in Figure 1, pawl cylinder 4 tops of giving up are installed with connecting short section 24, and connecting short section 24 is sleeved on central tube 3 outsides and can moves up and down.By connecting short section 24 component of give up pawl cylinder 4 and top are linked together.
Above technical characterictic has consisted of most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, satisfies the demand of different situations.
The use procedure of the utility model most preferred embodiment: when giving up operation, press down central tube 3 by running tool, central tube 3 constantly moves down, until core barrel outer shroud platform 8 breaks away from the pawl cylinder 4 of giving up, elastic card claw 7 shrinks under the effect of self elasticity and radial pull spring 10, claw boss 1 breaks away from the upper surface of annular groove 5 and pawl seat axle journal 19, on carry central tube 3, central tube 3 drives on pawls cover pedestals 12 and the pawl sleeve body 11 and moves, and can will give up pawl cylinder 4 and connecting short section 24 of pawl sleeve body 11 proposes in the lump.

Claims (10)

1. an elasticity discharges releasing tool, it is characterized in that comprising outer cylinder body, the pawl seat of giving up, central tube, the pawl of giving up cover and the pawl cylinder of giving up; On the lower inner wall of outer cylinder body annular groove is arranged, the pawl seat top of giving up is fixedly mounted in the annular groove, and central tube top is sleeved in the outer cylinder body, and the lower end of central tube is installed with the pawl cover of giving up, and the pawl cover of giving up is sleeved in the pawl seat of giving up; The pawl jacket casing of giving up is contained in outer cylinder body inside, the give up lower end of pawl cylinder is distributed with downward opening claw distinguish groove and forms the elastic card claw that can inwardly shrink, there is core barrel outer shroud platform, core barrel outer shroud platform to be sleeved on to give up pawl tube inner chamber bottom in the outside, the middle part of central tube and makes the elastic card claw lower end of opening be fixed on the pawl seat top of giving up.
2. elasticity according to claim 1 discharges releasing tool, it is characterized in that the outer middle side part of elastic card claw has spring groove and the radial pull spring is installed.
3. elasticity according to claim 1 and 2 discharges releasing tool, the pawl cover that it is characterized in that giving up comprises pawl sleeve body and pawl cover pedestal, the lower end of pawl sleeve body and pawl cover pedestal upper end outer rim are connected as a single entity, there is the outside lower end of central tube with the core barrel axle journal of core barrel screw thread, the middle part, upper surface of pawl cover pedestal has core barrel that counterbore is installed, the pawl cover internal thread that matches with the core barrel screw thread is arranged on the upper inside wall of core barrel installation counterbore, there is pawl cover through hole at the middle part, bottom surface that core barrel is installed counterbore, the core barrel axle journal is fixedly mounted on the pawl cover pedestal by core barrel screw thread and pawl cover internal thread, and the inner chamber lower end of central tube is connected with pawl cover through hole upper end.
4. elasticity according to claim 3 discharges releasing tool, it is characterized in that each elastic card claw lower outside has respectively the claw boss, and elastic card claw is fixed on the pawl seat top of giving up by the claw boss; The upper surface of the annular groove of outer cylinder body is the up-small and down-big guiding conical surface, and there is the claw conical surface that matches with the guiding conical surface upper end of claw boss, and claw boss outer end is installed on annular groove inner chamber top, and the claw conical surface is pressed on the guiding conical surface.
5. elasticity according to claim 4 discharges releasing tool, it is characterized in that on the lower inner wall of annular groove the urceolus internal thread being arranged, pawl seat axle journal is arranged at the give up top of pawl seat, there is the pawl seat external screw thread that matches with the urceolus internal thread in the outside of pawl seat axle journal, pawl seat axle journal is fixedly mounted on the annular groove bottom by pawl seat external screw thread and urceolus internal thread, the lower end outer rim of claw boss is sitting on the upper surface of pawl seat axle journal, and the lower end inner edge of claw boss is sitting on the upper surface of pawl sleeve body.
6. elasticity according to claim 5 discharges releasing tool, it is characterized in that claw distinguish groove is evenly distributed on the lower surface of the pawl cylinder of giving up, the position of the upper end of pawl seat axle journal corresponding claw distinguish groove is fixed with respectively pawl seat claw, pawl seat catch jacket is contained in annular groove inner chamber top and between two adjacent claw boss, the position of corresponding claw distinguish groove is fixed with respectively seat cylinder claw on the upper surface of pawl sleeve body, and seat cylinder catch jacket is contained in the outer cylinder body and between two adjacent elastic card claws.
7. elasticity according to claim 3 discharges releasing tool, it is characterized in that core barrel installs on the lower inner wall of counterbore and core barrel counterbore seal groove is arranged and core barrel counterbore sealing ring is installed, pawl block set seal groove is arranged and pawl block set sealing ring is installed on the lateral surface of pawl cover pedestal.
8. elasticity according to claim 6 discharges releasing tool, it is characterized in that core barrel installs on the lower inner wall of counterbore and core barrel counterbore seal groove is arranged and core barrel counterbore sealing ring is installed, pawl block set seal groove is arranged and pawl block set sealing ring is installed on the lateral surface of pawl cover pedestal.
9. elasticity according to claim 1 and 2 discharges releasing tool, and the pawl cylinder top that it is characterized in that giving up is installed with connecting short section, and connecting short section is sleeved on the central tube outside and can moves up and down.
10. elasticity according to claim 8 discharges releasing tool, and the pawl cylinder top that it is characterized in that giving up is installed with connecting short section, and connecting short section is sleeved on the central tube outside and can moves up and down.
CN 201220314125 2012-07-02 2012-07-02 Elastic release releasing tool Expired - Fee Related CN202659185U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220314125 CN202659185U (en) 2012-07-02 2012-07-02 Elastic release releasing tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220314125 CN202659185U (en) 2012-07-02 2012-07-02 Elastic release releasing tool

Publications (1)

Publication Number Publication Date
CN202659185U true CN202659185U (en) 2013-01-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220314125 Expired - Fee Related CN202659185U (en) 2012-07-02 2012-07-02 Elastic release releasing tool

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CN (1) CN202659185U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103422812A (en) * 2013-08-02 2013-12-04 奥瑞安能源国际有限公司 Single-well coal bed gas multi-branch horizontal well drilling and completion method
CN103422824A (en) * 2013-08-02 2013-12-04 奥瑞安能源国际有限公司 Feeding and releasing tool
CN112224951A (en) * 2020-10-30 2021-01-15 温州中壹技术研究院有限公司 Clothing production intelligence feeding system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103422812A (en) * 2013-08-02 2013-12-04 奥瑞安能源国际有限公司 Single-well coal bed gas multi-branch horizontal well drilling and completion method
CN103422824A (en) * 2013-08-02 2013-12-04 奥瑞安能源国际有限公司 Feeding and releasing tool
CN103422812B (en) * 2013-08-02 2015-11-25 奥瑞安能源国际有限公司 The coal bed gas multi-branch horizontal drilling well of individual well eye and completion method
CN112224951A (en) * 2020-10-30 2021-01-15 温州中壹技术研究院有限公司 Clothing production intelligence feeding system
CN112224951B (en) * 2020-10-30 2022-09-09 杭州锦鹏服饰有限公司 Clothing production intelligence feeding system

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130109

Termination date: 20200702