CN203097815U - Retrievable setting and squeezing integrated bridge plug - Google Patents
Retrievable setting and squeezing integrated bridge plug Download PDFInfo
- Publication number
- CN203097815U CN203097815U CN201220676705.1U CN201220676705U CN203097815U CN 203097815 U CN203097815 U CN 203097815U CN 201220676705 U CN201220676705 U CN 201220676705U CN 203097815 U CN203097815 U CN 203097815U
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- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 125000006850 spacer group Chemical group 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 241000425571 Trepanes Species 0.000 claims description 2
- 239000004636 vulcanized rubber Substances 0.000 claims description 2
- 238000002627 tracheal intubation Methods 0.000 abstract 3
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Earth Drilling (AREA)
Abstract
可取式坐挤一体桥塞液缸推筒套在上接头芯轴上，上接头芯轴下部与插管上部螺纹连接，坐封接头套在解封接头上，坐封接头与卡瓦锥体螺纹连接，卡瓦与卡瓦锥体通过燕尾槽滑动连接，并位于卡瓦筒的卡瓦槽内，插管通过解封接头内孔插在芯轴内，滑套芯轴与插管螺纹连接，滑套芯轴插入开关滑套内，控制滑套通过滑套剪钉固定在滑套芯轴的孔内，滑套芯轴与止退锁环锯齿形螺纹连接，密封套与芯轴螺纹连接，密封胶筒、隔环、卡瓦筒套在密封套上，开关滑套位于密封套的内孔内，堵头与密封套螺纹连接，该可取式坐挤一体桥塞主要用于油田井下挤灰封堵的工具，尤其是坐封、挤灰一趟管柱完成，挤灰后可以取出回收的可取式坐挤一体封堵工具。
The detachable seat-and-extrusion integrated bridge plug hydraulic cylinder pusher is sleeved on the mandrel of the upper joint, the lower part of the mandrel of the upper joint is threadedly connected with the upper part of the intubation tube, the setting joint is set on the unsealing joint, and the setting joint is threaded with the slip cone Connection, the slips and the slip cone are slidingly connected through the dovetail groove, and are located in the slip groove of the slip cylinder. The intubation tube is inserted into the mandrel through the inner hole of the unsealing joint, and the sliding sleeve mandrel is threadedly connected with the intubation tube. The mandrel of the sliding sleeve is inserted into the sliding sleeve of the switch, and the control sliding sleeve is fixed in the hole of the mandrel of the sliding sleeve through shear nails of the sliding sleeve. The sealing rubber cylinder, the spacer ring and the slip sleeve are set on the sealing sleeve, the switch sliding sleeve is located in the inner hole of the sealing sleeve, and the plug is connected with the sealing sleeve by threads. The plugging tools, especially the set and ash-squeezing integrated plugging tools, can be taken out and recovered after the ash is squeezed.
Description
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220676705.1U 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 |
|---|---|---|---|
| CN201220676705.1U 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 |
|---|---|---|---|
| CN201220676705.1U 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 (3)
| 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 | A two-way seat hanging easy pumping bridge 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 |
| CN113898314A (en) * | 2021-10-18 | 2022-01-07 | 中国石油化工股份有限公司 | Quick drilling type sitting and squeezing integrated temporary plugging device |
-
2013
- 2013-05-04 CN CN201220676705.1U patent/CN203097815U/en not_active Expired - Fee Related
Cited By (6)
| 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 | A two-way seat hanging easy pumping bridge plug |
| CN105370240B (en) * | 2015-10-13 | 2018-03-09 | 中国石油天然气股份有限公司 | A two-way seat hanging easy pumping bridge 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 |
| CN113898314A (en) * | 2021-10-18 | 2022-01-07 | 中国石油化工股份有限公司 | Quick drilling type sitting and squeezing integrated temporary plugging device |
| CN113898314B (en) * | 2021-10-18 | 2024-06-14 | 中国石油化工股份有限公司 | Quick drilling type sitting and extruding integrated temporary plugging device |
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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 |