CN203097815U - Retrievable setting and squeezing integrated bridge plug - Google Patents

Retrievable setting and squeezing integrated bridge plug Download PDF

Info

Publication number
CN203097815U
CN203097815U CN 201220676705 CN201220676705U CN203097815U CN 203097815 U CN203097815 U CN 203097815U CN 201220676705 CN201220676705 CN 201220676705 CN 201220676705 U CN201220676705 U CN 201220676705U CN 203097815 U CN203097815 U CN 203097815U
Authority
CN
China
Prior art keywords
mandrel
sliding sleeve
joint
slips
lock
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 201220676705
Other languages
Chinese (zh)
Inventor
顾正达
冯恩山
朱苏青
白友国
徐成林
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.)
Funing County Hongda Petrochemical Machinery Co Ltd
Original Assignee
Funing County Hongda Petrochemical Machinery 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 Funing County Hongda Petrochemical Machinery Co Ltd filed Critical Funing County Hongda Petrochemical Machinery Co Ltd
Priority to CN 201220676705 priority Critical patent/CN203097815U/en
Application granted granted Critical
Publication of CN203097815U publication Critical patent/CN203097815U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a retrievable setting and squeezing integrated bridge plug. A hydraulic cylinder pushing cylinder is sheathed onto an upper joint mandrel; the lower part of the upper joint mandrel is in threaded connection with the upper part of an inserting tube; a setting joint is sheathed onto an unsetting joint; the setting joint and a slip cone are in the threaded connection; a slip and the slip cone are glidingly connected by a dovetail groove, and are located in a slip groove of a slip tube; the inserting tube is inserted into a mandrel through an inner hole of the unsetting joint; a sliding sleeve mandrel and the inserting tube are in the threaded connection; the sliding sleeve mandrel is inserted into a switch sliding sleeve; a control sliding sleeve is fixedly arranged in a hole of the sliding sleeve mandrel by a sliding sleeve shear pin; the sliding sleeve mandrel and a backstop lock ring are in saw-tooth thread connection; a seal sleeve and the mandrel are in the threaded connection; a seal rubber sleeve, a distance ring and the slip tube are sheathed onto the seal sleeve; the switch sliding sleeve is located in an inner hole of the seal sleeve; and a plug and the seal sleeve are in the threaded connection. The retrievable setting and squeezing integrated bridge plug is mainly used for tools of underground cement squeezing and plugging in oil fields, especially retrievable setting and squeezing integrated plugging tools which are used for completing setting and cement squeezing by one running string and can be taken out to be recovered after the cement squeezing.

Description

Retrievable is sat and is squeezed the one bridging plug
Affiliated technical field
The utility model relates to a kind of instrument that grey shutoff is squeezed in the down-hole, oil field that is used for, and especially sets, squeezes grey one-trip string and finish, and can take out the retrievable of recovery behind the crowded ash and sit crowded one capping tools.
Background technology
At present, in the oil field development manufacturing process, especially adopt at formation testing, underground work, oil-gas Layer transformation, formation testing, notes in the work progress such as layer position adjustment, often need carry out temporary blocking or permanent shutoff to oil, gas, water layer with the down-hole capping tools, sometimes, need the outer channelling of squeeze method shutoff perforated interval or squeeze method shutoff sleeve pipe to carry out the secondary well cementation.
What normally used in the oil field is a kind of retrievable bridge plug of cement squeeze, and this retrievable bridge plug of cement squeeze is with the bridging plug setting tool bridging plug to be delivered to the downhole designs position earlier to set, and the bridging plug setting tool that recurs out is lowered to intubate and squeezes grey operation.After squeezing grey operation, trip out intubate and be lowered to the bridging plug fishing tool bridging plug deblocking is tripped out.This retrievable bridge plug of cement squeeze set and squeeze ash be branch twice tubing string finish, the work operations amount is big, duty cycle is long, during tripping out the bridging plug setting tool and being lowered to intubate, impurity in the pit shaft easily sinks to and stops up the bridging plug mandrel in the bridging plug mandrel, make intubate can't insert the bridging plug mandrel, can't squeeze ash, the operation failure.
Summary of the invention
In order to overcome existing oil field to oil, gas, water layer carry out the squeeze method shutoff set and squeeze with retrievable bridge plug of cement squeeze ash be branch twice tubing string finish, the work operations amount is big, duty cycle is long, during tripping out the bridging plug setting tool and being lowered to intubate, impurity in the pit shaft easily sinks to and stops up the bridging plug mandrel in the bridging plug mandrel, make intubate can't insert the bridging plug mandrel, can't squeeze ash, the deficiency of operation failure, the purpose of this utility model just is to provide a kind of stable performance, can be used for the down-hole, oil field and sit the instrument that squeezes the one shutoff, especially set, squeeze grey one-trip string and finish, can take out the retrievable of recovery behind the crowded ash and sit crowded one bridging plug.
The technical scheme that its technical problem that solves the utility model adopts is: the fluid cylinder pushing cylinder is enclosed within on the top connection mandrel, and pass through seal with O ring, top connection mandrel bottom is threaded with intubate top, and pass through seal with O ring, fluid cylinder pushing cylinder lower surface with set the upper end of joint face and contact, setting fitting sleeve is separating on the sealing joint, set on the shear pin in the screwed hole on setting the joint periphery, setting the insertion of shear pin lower step separates in the periphery groove of sealing joint, set the joint inside groove O shape circle that is used for sand control is housed, setting joint is threaded with the slips cone, spacing ring, the sand control packing element is enclosed within on the periphery of slips cone, spacing ring is threaded with the slips tube, spacing ring is connected with slips cone step, the slips cone, the slips jacket casing is on mandrel, slips and slips cone are slidingly connected by dovetail groove, and be positioned at the slip groove of slips tube, lock ring is positioned at and sets joint, and with set the joint saw-tooth thread and be connected, lock tube is enclosed within on the mandrel, lock dog is positioned at the lock dog groove of mandrel, moving axially of lock tube and mandrel limited in lock dog hole by lock tube, the deblocking fitting sleeve is in intubate, mandrel, lock tube, on the periphery of lock dog, limited the radial motion of lock dog, in the screwed hole on the deblocking shear pin on separating the sealing joint periphery, deblocking shear pin lower step is inserted in the outside groove of mandrel, intubate is inserted in the mandrel by separating the sealing joint endoporus, and be connected with mandrel by screw thread, O shape circle and stem seal, the sliding sleeve mandrel is threaded with intubate, and pass through seal with O ring, the sliding sleeve mandrel inserts in the switching sliding sleeve, and pass through seal with O ring, the control sliding sleeve is fixed in the hole of sliding sleeve mandrel by the sliding sleeve shear pin, and the lateral aperture by seal with O ring sliding sleeve mandrel, the sliding sleeve mandrel is threaded with stopping lock trepan profile of tooth, sealing shroud is connected with mandrel thread, and pass through seal with O ring, cartridge, spacer ring, the slips jacket casing is on sealing shroud, switching sliding sleeve is positioned at the endoporus of sealing shroud, and pass through seal with O ring, plug is threaded with sealing shroud, and passes through seal with O ring.Top connection mandrel top is provided with internal thread and is used for being connected with the crowded tubing string of seat, separating sealing joint top is provided with external screw thread and is convenient to salvage with bridging plug fishing tool deblocking, the lock tube periphery is provided with saw-tooth thread, be meshed with the saw-tooth thread that establishes lock ring inside when being convenient to retrievable and sit squeezing the one bridging plug and set, the plug outside is provided with vulcanized rubber, be convenient to reduce retrievable and sit the power that clings of squeezing one bridging plug and cement, sliding sleeve is provided with opening, be convenient in sealing shroud, slide after sliding sleeve shrinks, mandrel is provided with cannelure, is convenient to retrievable and sit squeezes the one bridging plug and set the disconnected cannelure of post-tensioning and realize giving up.
During use, earlier retrievable is sat and squeezed the one bridging plug and sit crowded tubing string and be connected and be lowered to the downhole designs position, suppress by ground, the fluid cylinder pushing cylinder promotes to set joint and moves downward, setting shear pin cuts off, the slips cone promotes slips and is anchored on the sleeve pipe, the sand control packing element is compressed to internal surface of sleeve pipe, cartridge compression seal sleeve pipe annular space, lock ring is meshed with the saw-tooth thread of lock tube simultaneously, retrievable is sat and is squeezed the self-locking of one bridging plug, when setting force surpasses the tension limit of cannelure on the mandrel, mandrel is broken at the cannelure place, and retrievable sit to squeeze the one bridging plug and sets in the downhole designs position, controls sliding sleeve simultaneously and cuts off the sliding sleeve shear pin and move downward, the inner sawtooth threaded engagement of control sliding sleeve bottom sawtooth screw thread and retaining lock ring, press down certain load and can squeeze grey operation this moment, and after the crowded grey end of job, the upper lifting pipe post is extracted intubate; After treating mortar setting, being lowered to the bridging plug fishing tool catches retrievable to sit the sealing joint of separating of crowded one bridging plug, on carry the bridging plug fishing tool, the deblocking shear pin is cut off, lock dog loses understands the fixing of sealing joint, lock dog skids off the lock dog groove of mandrel, retrievable is sat and is squeezed one bridging plug self-locking releasing, sand control packing element, cartridge retraction, and the up drive slips of slips cone is return in the slips tube, retrievable is sat and is squeezed one bridging plug deblocking, and retrievable is sat crowded one bridging plug and can be reclaimed with the taking-up of bridging plug fishing tool.
The beneficial effects of the utility model are, a kind of instrument that grey shutoff is squeezed in the down-hole, oil field that is used for is provided, and especially set, squeeze grey one-trip string and finish, and squeeze the retrievable that can take out recovery behind the ash and sit and squeeze the one capping tools.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing is a structural representation of the present utility model.
In the accompanying drawing 1, the top connection mandrel; 2, O shape circle; 3, fluid cylinder pushing cylinder; 4, intubate; 5, set joint; 6, set shear pin; 7, separate sealing joint; 8, lock ring; 9, deblocking shear pin; 10, lock dog; 11, sand control packing element; 12, lock tube; 13, spacing ring; 14, slips cone; 15, slips; 16, mandrel; 17, slips tube; 18, sealing shroud; 19, sliding sleeve mandrel; 20, cartridge; 21 and close sliding sleeve; 22, spacer ring; 23, control sliding sleeve; 24, sliding sleeve shear pin; 25, plug; 26, retaining lock ring.
The specific embodiment
As shown in drawings, fluid cylinder pushing cylinder 3 is enclosed within on the top connection mandrel 1, and by 2 sealings of O shape circle, top connection mandrel 1 bottom is threaded with intubate 4 tops, and by 2 sealings of O shape circle, fluid cylinder pushing cylinder 3 lower surfaces with set joint 5 upper surfaces and contact, setting joint 5 is enclosed within and separates on the sealing joint 7, set on the shear pin 6 in the screwed hole on setting joint 5 peripheries, setting the insertion of shear pin 6 lower step separates in the periphery groove of sealing joint 7, set joint 5 inside grooves the O shape circle 2 that is used for sand control is housed, setting joint 5 is threaded with slips cone 14, spacing ring 13, sand control packing element 11 is enclosed within on the periphery of slips cone 14, spacing ring 13 is threaded with slips tube 17, spacing ring 13 is connected with slips cone 14 steps, slips cone 14, slips tube 17 is enclosed within on the mandrel 16, slips 15 and slips cone 14 are slidingly connected by dovetail groove, and be positioned at the slip groove of slips tube 17, lock ring 8 is positioned at and sets joint 5, and with set joint 5 saw-tooth threads and be connected, lock tube 12 is enclosed within on the mandrel 16, lock dog 8 is positioned at the lock dog groove of mandrel 16, limited moving axially of lock tube 12 and mandrel 16 by the lock dog hole of lock tube 12, separate sealing joint 7 and be enclosed within intubate 4, mandrel 16, lock tube 12, on the periphery of lock dog 10, limited the radial motion of lock dog 10, in the screwed hole on the deblocking shear pin 9 on separating sealing joint 7 peripheries, deblocking shear pin 9 lower step are inserted in the outside groove of mandrel 16, intubate 4 is inserted in the mandrel 16 by separating sealing joint 7 endoporus, and be connected with mandrel 16 by screw thread, O shape circle 2 and mandrel 16 sealings, sliding sleeve mandrel 19 is threaded with intubate 4, and by 2 sealings of O shape circle, sliding sleeve mandrel 19 inserts in the switching sliding sleeve 21, and by 2 sealings of O shape circle, control sliding sleeve 23 is fixed in the hole of sliding sleeve mandrel 19 by sliding sleeve shear pin 24, and the lateral aperture of enclosing 2 sealing sliding sleeve mandrels 19 by O shape, sliding sleeve mandrel 19 is connected with retaining lock ring 26 saw-tooth threads, sealing shroud 18 is threaded with mandrel 16, and by 2 sealings of O shape circle, cartridge 20, spacer ring 22, slips tube 17 is enclosed within on the sealing shroud 18, switching sliding sleeve 21 is positioned at the endoporus of sealing shroud 18, and by 2 sealings of O shape circle, plug 25 is threaded with sealing shroud 18, and by 2 sealings of O shape circle.

Claims (2)

1. retrievable is sat and is squeezed the one bridging plug, it is characterized in that: the fluid cylinder pushing cylinder is enclosed within on the top connection mandrel, top connection mandrel bottom is threaded with intubate top, fluid cylinder pushing cylinder lower surface with set the upper end of joint face and contact, setting fitting sleeve is separating on the sealing joint, setting joint is threaded with the slips cone, spacing ring, the sand control packing element is enclosed within on the periphery of slips cone, spacing ring is threaded with the slips tube, spacing ring is connected with slips cone step, the slips cone, the slips jacket casing is on mandrel, slips and slips cone are slidingly connected by dovetail groove, and be positioned at the slip groove of slips tube, lock ring is positioned at and sets joint, and with set the joint saw-tooth thread and be connected, lock tube is enclosed within on the mandrel, lock dog is positioned at the lock dog groove of mandrel, moving axially of lock tube and mandrel limited in lock dog hole by lock tube, the deblocking fitting sleeve is in intubate, mandrel, lock tube, on the periphery of lock dog, limited the radial motion of lock dog, intubate is inserted in the mandrel by separating the sealing joint endoporus, and be connected with mandrel by screw thread, the sliding sleeve mandrel is threaded with intubate, the sliding sleeve mandrel inserts in the switching sliding sleeve, the control sliding sleeve is fixed in the hole of sliding sleeve mandrel by the sliding sleeve shear pin, and passes through the lateral aperture of seal with O ring sliding sleeve mandrel, and the sliding sleeve mandrel is threaded with stopping lock trepan profile of tooth, sealing shroud is connected with mandrel thread, cartridge, spacer ring, the slips jacket casing is on sealing shroud, and switching sliding sleeve is positioned at the endoporus of sealing shroud, and plug is threaded with sealing shroud.
2. retrievable according to claim 1 is sat and is squeezed the one bridging plug, it is characterized in that: top connection mandrel top is provided with internal thread and is used for being connected with the crowded tubing string of seat, separating sealing joint top is provided with external screw thread and is convenient to salvage with bridging plug fishing tool deblocking, the lock tube periphery is provided with saw-tooth thread, be meshed with the saw-tooth thread that establishes lock ring inside when being convenient to retrievable and sit squeezing the one bridging plug and set, the plug outside is provided with vulcanized rubber, be convenient to reduce retrievable and sit the power that clings of squeezing one bridging plug and cement, sliding sleeve is provided with opening, be convenient in sealing shroud, slide after sliding sleeve shrinks, mandrel is provided with cannelure, is convenient to retrievable and sit squeezes the one bridging plug and set the disconnected cannelure of post-tensioning and realize giving up.
CN 201220676705 2013-05-04 2013-05-04 Retrievable setting and squeezing integrated bridge plug Expired - Fee Related CN203097815U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220676705 CN203097815U (en) 2013-05-04 2013-05-04 Retrievable setting and squeezing integrated bridge plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220676705 CN203097815U (en) 2013-05-04 2013-05-04 Retrievable setting and squeezing integrated bridge plug

Publications (1)

Publication Number Publication Date
CN203097815U true CN203097815U (en) 2013-07-31

Family

ID=48849224

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220676705 Expired - Fee Related CN203097815U (en) 2013-05-04 2013-05-04 Retrievable setting and squeezing integrated bridge plug

Country Status (1)

Country Link
CN (1) CN203097815U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105370240A (en) * 2015-10-13 2016-03-02 中国石油天然气股份有限公司 Bridge plug for easy pumping of bi-directional seat hanger
CN111749641A (en) * 2020-06-24 2020-10-09 大庆益科石油科技开发有限公司 Integrated fishing and drilling squeezing tool and construction process thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105370240A (en) * 2015-10-13 2016-03-02 中国石油天然气股份有限公司 Bridge plug for easy pumping of bi-directional seat hanger
CN105370240B (en) * 2015-10-13 2018-03-09 中国石油天然气股份有限公司 A kind of two-way seat hangs easily pumping bridging plug
CN111749641A (en) * 2020-06-24 2020-10-09 大庆益科石油科技开发有限公司 Integrated fishing and drilling squeezing tool and construction process thereof
CN111749641B (en) * 2020-06-24 2020-12-22 大庆益科石油科技开发有限公司 Integrated fishing and drilling squeezing tool and construction process thereof

Similar Documents

Publication Publication Date Title
CN109751009B (en) Repeated hot-washing paraffin removal packer
CN103850663B (en) Retrievable is sat and is squeezed one bridging plug
CN203285384U (en) Top packer for preventing sand
CN104213868B (en) Desirable bore anchor packer
CN203374238U (en) Integrated dust squeezing bridge plug capable of being taken out
CN208734311U (en) A kind of permanent type well completion packer that mechanical can be given up
CN203097815U (en) Retrievable setting and squeezing integrated bridge plug
CN103573210A (en) Quick drill composite pipe bridge plug
CN203347736U (en) Water-injection packer capable of being subjected to deblocking step by step
RU2414586C1 (en) Procedure for isolating operations in well and packer equipment
CN104120998A (en) Suspension packer for gas well layered exploitation
CN203531816U (en) Expansion construction tool for solid expandable pipe
CN203584365U (en) Retrievable integral ash squeezing bridge plug
CN201396108Y (en) Retrievable-type bridge plug
CN202596658U (en) Packer for plugging water for fishable insert pipe switch
CN103775022A (en) Multifunctional packer capable of resealing under lower pressure after sealing under high pressure for the first time
CN210714589U (en) Small-diameter fishing type bridge plug
CN204646180U (en) Callable crowded grey bridging plug
CN203114236U (en) Hand-releasing water blocking packer
CN201396107Y (en) Retrievable-type cement-squeezing bridge plug
CN105545255A (en) Novel oil-field long-acting water-exclusion-oil-exploiting pipe column
CN203022686U (en) Removable bridge plug
CN202954779U (en) Novel flexible plug
WO2016008339A1 (en) Drill-free stage collar of through-bottom type
CN202266238U (en) Retrievable bridge plug

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20140504