CN202273618U - Reliable releasing running tool - Google Patents
Reliable releasing running tool Download PDFInfo
- Publication number
- CN202273618U CN202273618U CN 201120419646 CN201120419646U CN202273618U CN 202273618 U CN202273618 U CN 202273618U CN 201120419646 CN201120419646 CN 201120419646 CN 201120419646 U CN201120419646 U CN 201120419646U CN 202273618 U CN202273618 U CN 202273618U
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- China
- Prior art keywords
- mandrel
- screw thread
- inwall
- wall
- fixedly installed
- 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
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 37
- 206010055018 Gingival cyst Diseases 0.000 claims description 17
- 210000004907 gland Anatomy 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008602 contraction Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to the field of running tool which is an underground tool for well cementing and completing operation in oil and gas fields. Disclosed is a reliable releasing running tool comprising a mandrel, an upper joint, a guiding plug, a thread bush, a lower outer cylinder and an elastic gripping sleeve, wherein the upper end of the external wall of the mandrel is fixedly connected with the lower end of the internal wall of the upper joint, the lower end of the external wall of the upper joint is fixedly connected with the upper end of the internal wall of the thread bush, the lower end of the external wall of the mandrel is fixedly connected with the upper end of the internal wall of the guiding plug, an inclined bench is arranged on the lower portion of the internal wall of the lower outer cylinder, the guiding plug is placed on the inclined bench, a conical bench is arranged on the internal wall above the inclined bench, a cavity is arranged among the mandrel, the upper joint, the thread bush and the taper bench, the elastic gripping sleeve is arranged in the cavity, the elastic gripping sleeve comprises a gripping sleeve and elastic claws, at least two elastic claws are spacedly fixed on the lower end of the gripping sleeve, horsetooth buckles are arranged on the external side of the elastic claws, the internal side of the lower outer cylinder is provided with horsetooth buckles, the elastic claws and the internal wall of the lower outer cylinder are engaged through horsetooth buckles, a boss is arranged on the mandrel at a place corresponding to the elastic claws, a groove corresponding to the boss is arranged on the elastic claws, the boss is clamped in the groove, the upper end of the upper joint is threaded, and the lower end of the lower outer cylinder is threaded. The reliable releasing and running tool is compact and reasonable in structure, and convenient for use.
Description
Technical field
the utility model relates to the running tool field in the downhole tool in the solid completion practice of oil gas field, is a kind of running tool of reliably giving up.
Background technology
must be sent into essential instrument in the well, and realize effectively giving up in carrying out multistage pressing crack construction, the solid completion work progress of Multilateral Wells, guarantee carrying out smoothly of solid completion work.Yet the difficulty of giving up appears in the on-the-spot at present running tool that uses mostly; The phenomenon of failure repeatedly occurs giving up in operating process; Thereby bring many unsafe factors to execute-in-place, and then have influence on carrying out smoothly of the solid completion practice of this well, even have influence on the subsequent production operation of this well.
Summary of the invention
the utility model provides a kind of running tool of reliably giving up, and has overcome the deficiency of above-mentioned prior art, its can effectively solve occur in the solid completion work running tool give up the difficulty problem.
The technical scheme of
the utility model realizes through following measure: a kind of running tool of reliably giving up comprises mandrel, top connection, guiding plug, thread bush, plays urceolus and elasticity to grab cover; The outer wall upper end of mandrel is fixedly installed togather with the inwall lower end of top connection, and the outer wall lower end of top connection and the inwall of thread bush upper end are fixedly installed togather, and the outer wall lower end of mandrel is fixedly installed togather with the inwall upper end of guiding plug; Sloping platform is arranged at following outer tube inner wall bottom, and the guiding plug is sitting on the sloping platform, on the inwall of sloping platform top the taper platform is arranged; Between mandrel, top connection, thread bush and the taper platform cavity is arranged, elasticity is installed in the cavity grabs cover, elasticity grab the cover comprise grab the cover and elastic claw; The lower end fixed interval of grabbing cover has at least two elastic claw, in the outside of elastic claw the gingival cyst of mucous gland in the newborn button is arranged, and has gingival cyst of mucous gland in the newborn to buckle in the inboard of following urceolus; Elastic claw meshes together through the gingival cyst of mucous gland in the newborn button with following outer tube inner wall; On the mandrel corresponding with elastic claw boss is arranged, have on the elastic claw and the corresponding groove of boss, boss is installed in the groove; There is screw thread upper end in top connection, in the lower end of following urceolus screw thread is arranged.
Be to the further optimization of above-mentioned utility model technical scheme below or/and improve:
The screw thread of the gingival cyst of mucous gland in the newborn button on
above-mentioned elastic claw and the screw thread of top connection are the opposite screw thread of rotation direction.
above-mentioned elasticity is grabbed in the cavity below the cover lining is installed; The outside, upper end of lining is the up-narrow and down-wide conical surface; The lower end of elastic claw is stuck in the conical surface; Lining and mandrel are fixed together through shear pin, between the mandrel of shear pin below and the lining hydraulic cavities are arranged, and the through hole that communicates with hydraulic cavities is arranged on the mandrel of corresponding hydraulic cavities.
On the mandrel outer wall of
above-mentioned corresponding taper platform mounting groove is arranged, joint ring is installed in the mounting groove, between taper platform and mandrel and the joint ring sealing ring is installed, be separately installed with sealing ring between the lining of the above and below of through hole and the mandrel.
The outer wall upper end of
above-mentioned mandrel is fixedly installed togather through screw thread with the inwall lower end of top connection; The outer wall lower end of top connection and the inwall of thread bush upper end are fixedly installed togather through screw thread, and the outer wall lower end of mandrel is fixedly installed togather through screw thread with the inwall upper end of guiding plug.
the utility model reasonable and compact in structure, easy to use, can be through mechanically carrying or dextrorotation back-off or inleakage mode such as build the pressure guarantees effectively giving up of this running tool, thus guarantee effective enforcement of the solid completion practice in down-hole.
Description of drawings
accompanying drawing 1 is looked the half section structural representation for the master of the utility model most preferred embodiment.
accompanying drawing 2 be in the accompanying drawing 1 A to the structure for amplifying sketch map.
Coding in
accompanying drawing is respectively: 1 for mandrel, and 2 are top connection, and 3 are the guiding plug, and 4 be thread bush, 5 under urceolus; 6 is sloping platform, and 7 are the taper platform, and 8 for grabbing cover, and 9 is elastic claw; 10 is boss, and 11 is groove, and 12 is lining, and 13 is shear pin; 14 is hydraulic cavities, and 15 is through hole, and 16 is mounting groove, and 17 is sealing ring.
The specific embodiment
the utility model does not receive the restriction of following embodiment, can confirm concrete embodiment according to the technical scheme and the actual conditions of the utility model.
are in the utility model; For the ease of describing; The description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description 1, as: the position relation of forward and backward, upper and lower, left and right etc. is what to confirm according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Like accompanying drawing 1, shown in 2, this running tool of reliably giving up comprises mandrel 1, top connection 2, guiding plug 3, thread bush 4, plays urceolus 5 and elasticity to grab cover
; The outer wall upper end of mandrel 1 is fixedly installed togather with the inwall lower end of top connection 2, and the outer wall lower end of top connection 2 and the inwall of thread bush 4 upper end are fixedly installed togather, and the outer wall lower end of mandrel 1 is fixedly installed togather with the inwall upper end of guiding plug 3; Sloping platform 6 is arranged at following urceolus 5 inwall bottoms, and guiding plug 3 is sitting on the sloping platform 6, on the inwall of sloping platform 6 tops taper platform 7 is arranged; Between mandrel 1, top connection 2, thread bush 3 and the taper platform 7 cavity is arranged, elasticity is installed in the cavity grabs cover, elasticity grab the cover comprise grab the cover 8 with elastic claw 9; The lower end fixed interval of grabbing cover 8 has at least two elastic claw 9, in the outside of elastic claw 9 the gingival cyst of mucous gland in the newborn button is arranged, and has gingival cyst of mucous gland in the newborn to buckle in the inboard of following urceolus 5; Elastic claw 9 is buckled through gingival cyst of mucous gland in the newborn with following urceolus 5 inwalls and is meshed together; On the mandrel 1 corresponding with elastic claw 9 boss 10 is arranged, have on the elastic claw 9 and boss 10 corresponding grooves 11, boss 10 is installed in the groove 11; There is screw thread upper end in top connection 2, in the lower end of following urceolus 5 screw thread is arranged.
Can according to actual needs the above-mentioned running tool of reliably giving up be done further to optimize or/and improve:
like accompanying drawing 1, shown in 2, the screw thread of the gingival cyst of mucous gland in the newborn button on the elastic claw 9 and the screw thread of top connection 2 are the opposite screw thread of rotation direction.The screw thread of general top connection 2 is a right-handed thread, so the screw thread of the gingival cyst of mucous gland in the newborn button on the elastic claw 9 is generally left hand thread.
are like accompanying drawing 1, shown in 2; Elasticity is grabbed in the cavity below the cover lining 12 is installed; The outside, upper end of lining 12 is the up-narrow and down-wide conical surface, and the lower end of elastic claw 9 is stuck in the conical surface, and lining 12 is fixed together through shear pin 13 with mandrel 1; Between the mandrel 1 of shear pin 13 belows and the lining 12 hydraulic cavities 14 is arranged, the through hole 15 that communicates with hydraulic cavities 14 is arranged on the mandrel 1 of corresponding hydraulic cavities 14.
are shown in accompanying drawing 1; On mandrel 1 outer wall of corresponding taper platform 7 mounting groove 16 is arranged; Joint ring 18 is installed in the mounting groove 16; Between taper platform 7 and mandrel 1 and the joint ring 18 sealing ring 17 is installed, is separately installed with sealing ring 17 between the lining 12 of the above and below of through hole 15 and the mandrel 1.
are shown in accompanying drawing 1; The outer wall upper end of mandrel 1 is fixedly installed togather through screw thread with the inwall lower end of top connection 2; The outer wall lower end of top connection 2 and the inwall of thread bush 4 upper end are fixedly installed togather through screw thread, and the outer wall lower end of mandrel 1 is fixedly installed togather through screw thread with the inwall upper end of guiding plug 3.
above technical characterictic has constituted the most preferred embodiment of the utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of
the utility model most preferred embodiment: following urceolus 5 is connected on the lower tube string of down-hole; When need carry out the solid completion practice of underground fracture, Multilateral Wells; The operation of need reentrying; Promptly transfer pressure break pipe string and other relevant aids, these relevant aids will be connected on the screw thread of top connection 2, and grab cover, lining 12 and guiding plug 3 etc. in company with G.I.H in company with thread bush 4, mandrel 1, elasticity.After arriving the precalculated position, just be inserted into down in the urceolus 5, like accompanying drawing 1, shown in 2, elasticity is grabbed the left-handed gingival cyst of mucous gland in the newborn button that puts design will tip the row engagement in the gingival cyst of mucous gland in the newborn of following urceolus 5 places design.After the solid completion practice in down-hole is accomplished, must well head, the operation of promptly giving up be proposed for pressure break pipe string and other relevant aid.The mode of operation of giving up is: propose operation at first carrying out, on carry in the process, the utility model is except urceolus 5 down; Other part is with up, and in the up process of mandrel 1, elastic claw 9 will lose support; Thereby elastic claw 9 will carry out radial contraction; On carry in the process, will buckle partly with the gingival cyst of mucous gland in the newborn at following urceolus 5 places and break away from, thereby realize giving up; If on when proposing operation and can not effectively realize giving up operation, can carry out back-off and give up, specific practice is: to buckle be left-hand thread because the screw thread of elastic claw 9 and play urceolus 5 engagements is left-handed gingival cyst of mucous gland in the newborn, therefore only need carry out the dextrorotation back-off operation in ground, can realize the operation of giving up; If when above two kinds of methods all can not realize effectively giving up, the mode that can adopt tubing string inside to build the pressure realized giving up, specific practice is: be designed with the through hole 15 that feed flow stream passes through at mandrel 1 place; When above two kinds of methods all can not effectively implement to give up operation, the mode that can adopt tubing string inside to build the pressure was given up, in the process that builds the pressure; High-pressure fluid will get into hydraulic cavities 14 through this through hole 15, and under the effect of this fluid, shear pin 13 will be cut off; Lining 12 is with descending, and acting as to elastic claw 9 of lining 12 provides support power, because lining 12 is descending; Elastic claw 9 will lose support force; Thereby the generation radial contraction is proposed operation on carrying out with landing ground, can realize the operation of giving up.
Claims (9)
1. the running tool of reliably giving up is characterized in that comprising mandrel, top connection, guiding plug, thread bush, plays urceolus and elasticity to grab cover; The outer wall upper end of mandrel is fixedly installed togather with the inwall lower end of top connection, and the outer wall lower end of top connection and the inwall of thread bush upper end are fixedly installed togather, and the outer wall lower end of mandrel is fixedly installed togather with the inwall upper end of guiding plug; Sloping platform is arranged at following outer tube inner wall bottom, and the guiding plug is sitting on the sloping platform, on the inwall of sloping platform top the taper platform is arranged; Between mandrel, top connection, thread bush and the taper platform cavity is arranged, elasticity is installed in the cavity grabs cover, elasticity grab the cover comprise grab the cover and elastic claw; The lower end fixed interval of grabbing cover has at least two elastic claw, in the outside of elastic claw the gingival cyst of mucous gland in the newborn button is arranged, and has gingival cyst of mucous gland in the newborn to buckle in the inboard of following urceolus; Elastic claw meshes together through the gingival cyst of mucous gland in the newborn button with following outer tube inner wall; On the mandrel corresponding with elastic claw boss is arranged, have on the elastic claw and the corresponding groove of boss, boss is installed in the groove; There is screw thread upper end in top connection, in the lower end of following urceolus screw thread is arranged.
2. the running tool of reliably giving up according to claim 1 is characterized in that the screw thread of the gingival cyst of mucous gland in the newborn button on the elastic claw and the screw thread of top connection are the opposite screw thread of rotation direction.
3. the running tool of reliably giving up according to claim 1 and 2; It is characterized in that elasticity is grabbed in the cavity of cover below is equipped with lining; The outside, upper end of lining is the up-narrow and down-wide conical surface, and the lower end of elastic claw is stuck in the conical surface, and lining and mandrel are fixed together through shear pin; Between the mandrel of shear pin below and the lining hydraulic cavities is arranged, the through hole that communicates with hydraulic cavities is arranged on the mandrel of corresponding hydraulic cavities.
4. the running tool of reliably giving up according to claim 1 and 2; It is characterized in that on the mandrel outer wall of corresponding taper platform mounting groove being arranged; Joint ring is installed in the mounting groove; Between taper platform and mandrel and the joint ring sealing ring is installed, is separately installed with sealing ring between the lining of the above and below of through hole and the mandrel.
5. the running tool of reliably giving up according to claim 3; It is characterized in that on the mandrel outer wall of corresponding taper platform mounting groove being arranged; Joint ring is installed in the mounting groove; Between taper platform and mandrel and the joint ring sealing ring is installed, is separately installed with sealing ring between the lining of the above and below of through hole and the mandrel.
6. the running tool of reliably giving up according to claim 1 and 2; It is characterized in that the outer wall upper end of mandrel and the inwall lower end of top connection are fixedly installed togather through screw thread; The outer wall lower end of top connection and the inwall of thread bush upper end are fixedly installed togather through screw thread, and the outer wall lower end of mandrel is fixedly installed togather through screw thread with the inwall upper end of guiding plug.
7. the running tool of reliably giving up according to claim 3; It is characterized in that the outer wall upper end of mandrel and the inwall lower end of top connection are fixedly installed togather through screw thread; The outer wall lower end of top connection and the inwall of thread bush upper end are fixedly installed togather through screw thread, and the outer wall lower end of mandrel is fixedly installed togather through screw thread with the inwall upper end of guiding plug.
8. the running tool of reliably giving up according to claim 4; It is characterized in that the outer wall upper end of mandrel and the inwall lower end of top connection are fixedly installed togather through screw thread; The outer wall lower end of top connection and the inwall of thread bush upper end are fixedly installed togather through screw thread, and the outer wall lower end of mandrel is fixedly installed togather through screw thread with the inwall upper end of guiding plug.
9. the running tool of reliably giving up according to claim 5; It is characterized in that the outer wall upper end of mandrel and the inwall lower end of top connection are fixedly installed togather through screw thread; The outer wall lower end of top connection and the inwall of thread bush upper end are fixedly installed togather through screw thread, and the outer wall lower end of mandrel is fixedly installed togather through screw thread with the inwall upper end of guiding plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120419646 CN202273618U (en) | 2011-10-29 | 2011-10-29 | Reliable releasing running tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120419646 CN202273618U (en) | 2011-10-29 | 2011-10-29 | Reliable releasing running tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202273618U true CN202273618U (en) | 2012-06-13 |
Family
ID=46193982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120419646 Expired - Fee Related CN202273618U (en) | 2011-10-29 | 2011-10-29 | Reliable releasing running tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202273618U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900399A (en) * | 2012-10-31 | 2013-01-30 | 中国石油集团川庆钻探工程有限公司 | Reentry guide device for completion pipe string of multilateral well |
| CN103321600A (en) * | 2013-06-20 | 2013-09-25 | 中国石油集团川庆钻探工程有限公司 | Hydraulically-started back-off releasing mechanism |
| CN103603615A (en) * | 2013-11-07 | 2014-02-26 | 安东石油技术（集团）有限公司 | Releasing tool |
| CN105156051A (en) * | 2014-06-09 | 2015-12-16 | 中国石油化工股份有限公司 | Releasing device |
| CN105239945A (en) * | 2015-10-22 | 2016-01-13 | 中国海洋石油总公司 | Rotary setting tool for tubular column |
| CN107288563A (en) * | 2016-03-31 | 2017-10-24 | 中国石油天然气股份有限公司 | Releasing tool |
| CN112483041A (en) * | 2019-09-12 | 2021-03-12 | 中国石油化工股份有限公司 | Bridge plug matched with branch well |
| CN113802993A (en) * | 2020-06-12 | 2021-12-17 | 中国石油化工股份有限公司 | Elastic sheet type feeding tool |
| CN113802992A (en) * | 2020-06-12 | 2021-12-17 | 中国石油化工股份有限公司 | Back-inserting tool |
-
2011
- 2011-10-29 CN CN 201120419646 patent/CN202273618U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900399B (en) * | 2012-10-31 | 2016-08-03 | 中国石油集团川庆钻探工程有限公司 | Reentry guide device for completion pipe string of multilateral well |
| CN102900399A (en) * | 2012-10-31 | 2013-01-30 | 中国石油集团川庆钻探工程有限公司 | Reentry guide device for completion pipe string of multilateral well |
| CN103321600A (en) * | 2013-06-20 | 2013-09-25 | 中国石油集团川庆钻探工程有限公司 | Hydraulically-started back-off releasing mechanism |
| CN103321600B (en) * | 2013-06-20 | 2016-05-04 | 中国石油集团川庆钻探工程有限公司 | Hydraulically-started back-off releasing mechanism |
| CN103603615A (en) * | 2013-11-07 | 2014-02-26 | 安东石油技术（集团）有限公司 | Releasing tool |
| CN103603615B (en) * | 2013-11-07 | 2016-06-08 | 安东石油技术（集团）有限公司 | A kind of releasing tool |
| CN105156051B (en) * | 2014-06-09 | 2019-04-05 | 中国石油化工股份有限公司 | Releasing device |
| CN105156051A (en) * | 2014-06-09 | 2015-12-16 | 中国石油化工股份有限公司 | Releasing device |
| CN105239945A (en) * | 2015-10-22 | 2016-01-13 | 中国海洋石油总公司 | Rotary setting tool for tubular column |
| CN105239945B (en) * | 2015-10-22 | 2018-02-23 | 中海油能源发展股份有限公司 | Tubing string rotates tripping in instrument |
| CN107288563A (en) * | 2016-03-31 | 2017-10-24 | 中国石油天然气股份有限公司 | Releasing tool |
| CN107288563B (en) * | 2016-03-31 | 2023-04-25 | 中国石油天然气股份有限公司 | Releasing tool |
| CN112483041A (en) * | 2019-09-12 | 2021-03-12 | 中国石油化工股份有限公司 | Bridge plug matched with branch well |
| CN112483041B (en) * | 2019-09-12 | 2022-07-01 | 中国石油化工股份有限公司 | Bridge plug matched with branch well |
| CN113802993A (en) * | 2020-06-12 | 2021-12-17 | 中国石油化工股份有限公司 | Elastic sheet type feeding tool |
| CN113802992A (en) * | 2020-06-12 | 2021-12-17 | 中国石油化工股份有限公司 | Back-inserting tool |
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Legal Events
| 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: 20120613 Termination date: 20161029 |