CN101864923A - Split type anchor suspension packer - Google Patents
Split type anchor suspension packer Download PDFInfo
- Publication number
- CN101864923A CN101864923A CN 201010216240 CN201010216240A CN101864923A CN 101864923 A CN101864923 A CN 101864923A CN 201010216240 CN201010216240 CN 201010216240 CN 201010216240 A CN201010216240 A CN 201010216240A CN 101864923 A CN101864923 A CN 101864923A
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- cone
- slips
- split type
- type anchor
- cylinder sleeve
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Abstract
The invention discloses a split type anchor suspension packer, which relates to the field of manufacturing technology of downhole tools for oil and gas wells. The packer comprises an upper anchor mechanism and a lower anchor mechanism, the lower end of upper anchor is provided an upper cone, a bushing, an upper swelling-preventing ring assembly, an upper packing element seat, a lower packing element seat, an upper packing element, a lower packing element, a lower swelling-preventing ring and an upper cylinder liner in sequence. A middle joint is downward provided with a lower cone, a lower cone connecting pipe and a lower anchor in sequence, and a pressure transmitting hole is arranged at the lower end of the middle joint. The provided split type anchor suspension packer suspended in a sleeve pipe can solve the problems of jamming or early packing caused by anchor breakage during drilling down in the prior art, and has the characteristics of small step-by-step locking stop clearance, convenient installation and debugging and reliable force bearing.
Description
Technical field:
A kind of split type anchor suspension packer is used for the volume increase of oil gas field horizontal well completion and transforms, and relates to the manufacturing technology field that industrial gas oil is implemented the downhole tool of volume increase transformation.
Background technology:
At present, it is to improve the advanced technology of well yield and the hypotonic oil gas field of efficient exploitation that horizontal well bores completion technique, since horizontal well reservoir segment length, and non-homogeneity is strong, therefore, adopt the method specific aim of general reservoir reconstruction not strong, therefore weak effect is necessary to adopt the packer tubing string to the packing of horizontal segment machinery, implements the segmentation transformation, well yield can not only be improved significantly like this, and the exploration and development expense can be saved; When carrying out horizontal well completion segmentation volume increase is transformed, usually can be lowered to more volume increase and transform instrument at horizontal segment, be lowered to hanging packer at straight well or the less well section of gradient since instrument to be lowered to frictional resistance at horizontal segment big, need send into the bigger drilling rod band hanging packer of rigidity; After hanging packer was suspended on the horizontal segment tool tubular column on the sleeve pipe, drilling rod separated with hanging packer, played in the tieback sealing drum on the oil pipe tie back tool tubing string insertion hanging packer again; The two-way supporting slip of existing hanging packer mostly adopts the design of monolithic alloy cast iron band stress groove, its material is hard and crisp, therefore, boring midway down, slips may be bumped brokenly and blocked portion takes place, or premature setting, so not only need special tool to carry out unfreezing and salvaging processing, even well is scrapped.
Summary of the invention:
The objective of the invention is at prior art problems, adopt the design of in sleeve pipe, implementing packing, provide a kind of packing instrument to hang on split type anchor suspension packer in the sleeve pipe the horizontal well horizontal segment.
The present invention is achieved in that
The present invention includes upper slips mechanism and lower slips mechanism, it is characterized in that:
Upper slips mechanism comprises: upper slips seat 1, central tube 2, upper slips hold body 3, upper slips 7, upper cone tube connector 8, upper cone 9, last cartridge 12, spacer ring 13, lower seal packing element 34, lining 16, go up cylinder sleeve 17; The upper end of central tube 2 is connected with upper slips seat 1, in the outside of central tube 2 upper slips is installed successively downwards and holds body 3, upper cone tube connector 8, is set with upper slips 7 at the cylindrical of upper cone tube connector 8; The lower end of upper slips 7 be equipped with successively upper cone 9, lining 16, on protrusion-dispelling tensioner ring group 11, on glue tube base 33, on cartridge 12, lower seal packing element 34, lower rubber cylinder seat 14, protrusion-dispelling tensioner ring 15 and last cylinder sleeve 17 down;
Lower slips mechanism comprises that transition joint 19, lower cone 20, lower cone tube connector 22, lower slips 23, lower slips hold body 24, following cylinder sleeve 25, lower contact 26, lock tube 29 and centering ring 31; The outside of transition joint 19 is equipped with lower cone 20, lower cone tube connector 22 and lower slips 23 downwards successively; Be provided with pressure transmission hole 32 in the lower end of transition joint 19, the lower end of lower cone tube connector 22 is held body 24 with lower slips and is connected; The lower end of transition joint 19 is connected with the upper end of lower contact 26, is disposed with cylinder sleeve 25, lock tube 29 and centering ring 31 down in the outside of lower contact 26; The upper end of following cylinder sleeve 25 is held body 24 with lower slips and is connected, and the lower end of following cylinder sleeve 25 is connected with lock tube 29; Centering ring 31 is connected the bottom of lower contact 26, and the lower end of lock tube 29 and centering ring 31 are fixed by safe shear pin 30;
External surface at described upper slips 7 is provided with spring groove, and spring 5 is installed in the spring groove on upper slips 7 surfaces, also is provided with garter spring 6 on the surface of described upper slips 7;
It is fixing by upper cone shear pin 4 that the upper end of described upper cone tube connector 8 and upper slips hold body 3, and the lower end is connected with upper cone 9 by screw thread;
The lower end of described upper cone 9 is to be sleeved on the cylindrical of lining 16 upper ends;
Described upper end of going up cylinder sleeve 17 is threaded with the lower end of lining 16;
Between described upper and lower cartridge 12 and 34, be provided with spacer ring 13; The lower end of the upper end of described lining 16 and upper cone 9 is fixing by lining shear pin 10;
Interior circle at the lower end of described lining 16 cylindrical and last cylinder sleeve 17 is provided with sealing ring, and fenestra is provided with sealing ring 18 outside the upper end of transition joint 19;
The upper end of described lower cone tube connector 22 and lower cone 20 are fixing by lower cone shear pin 21;
External surface in described lower contact 26 is fixed with load-carrying ring 28 by screw thread, and the described interior circle of cylinder sleeve 25 down is provided with lock ring 27;
Describedly go up protrusion-dispelling tensioner ring group 11, go up glue tube base 33, go up cartridge 12, lower seal packing element 34, lower rubber cylinder seat 14, protrusion-dispelling tensioner ring 15 and last cylinder sleeve 17 are to be sleeved on the cylindrical of lining 16 down.
Advantage of the present invention and beneficial effect are: the present invention takes split type slip design and spring and garter spring slips compressing structure, avoided time boring slips midway hang tag and instrument sets midway, the safety of following brill effectively improves; The load-carrying ring and the lock ring retaining mechanism that are provided with have that stepping locking retaining gap is little, Installation and Debugging convenient, the load reliable characteristics.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
The specific embodiment:
Provide embodiments of the invention below in conjunction with accompanying drawing:
Embodiment 1
Structure of the present invention and annexation are as follows: the present invention includes upper slips mechanism and lower slips mechanism, upper slips mechanism comprises: upper slips seat 1, central tube 2, upper slips hold body 3, upper slips 7, upper cone tube connector 8, upper cone 9, last cartridge 12, spacer ring 13, lower seal packing element 34, lining 16, go up cylinder sleeve 17; The upper end of central tube 2 is connected with upper slips seat 1, in the outside of central tube 2 upper slips is installed successively downwards and holds body 3, upper cone tube connector 8, cylindrical at upper cone tube connector 8 is set with upper slips 7, it is fixing by upper cone shear pin 4 that the upper end of upper cone tube connector 8 and upper slips hold body 3, the lower end is connected with upper cone 9 by screw thread, and the lower end of upper cone 9 is to be sleeved on the cylindrical of lining 16 upper ends; The lower end of upper slips 7 be equipped with successively upper cone 9, lining 16, on protrusion-dispelling tensioner ring group 11, on glue tube base 33, on cartridge 12, lower seal packing element 34, lower rubber cylinder seat 14, protrusion-dispelling tensioner ring 15 and last cylinder sleeve 17 down, last protrusion-dispelling tensioner ring group 11, go up glue tube base 33, go up cartridge 12, lower seal packing element 34, lower rubber cylinder seat 14, time protrusion-dispelling tensioner ring 15 and last cylinder sleeve 17 be to be sleeved on the cylindrical of lining 16; External surface at upper slips 7 is provided with spring groove, and spring 5 is installed in the spring groove on upper slips 7 surfaces, also is provided with garter spring 6 on the surface of described upper slips 7, and the upper end of last cylinder sleeve 17 is threaded with the lower end of lining 16; Between upper and lower cartridge 12 and 34, be provided with spacer ring 13; The lower end of the upper end of described lining 16 and upper cone 9 is fixing by lining shear pin 10; Interior circle at the lower end of described lining 16 cylindrical and last cylinder sleeve 17 is provided with sealing ring, and fenestra is provided with sealing ring 18 outside the upper end of transition joint 19;
Lower slips mechanism comprises that transition joint 19, lower cone 20, lower cone tube connector 22, lower slips 23, lower slips hold body 24, following cylinder sleeve 25, lower contact 26, lock tube 29 and centering ring 31; The outside of transition joint 19 is equipped with lower cone 20, lower cone tube connector 22 and lower slips 23 downwards successively; Be provided with pressure transmission hole 32 in the lower end of transition joint 19, the upper end of lower cone tube connector 22 and lower cone 20 are fixing by lower cone shear pin 21; The lower end of lower cone tube connector 22 is held body 24 with lower slips and is connected; The lower end of transition joint 19 is connected with the upper end of lower contact 26, is disposed with cylinder sleeve 25, lock tube 29 and centering ring 31 down in the outside of lower contact 26; The upper end of following cylinder sleeve 25 is held body 24 with lower slips and is connected, and the lower end of following cylinder sleeve 25 is connected with lock tube 29; Centering ring 31 is connected the bottom of lower contact 26, and the lower end of lock tube 29 and centering ring 31 is fixing by safe shear pin 30, is fixed with load-carrying ring 28 at the external surface of lower contact 26 by screw thread, and the described interior circle of cylinder sleeve 25 down is provided with lock ring 27.
Embodiment 2
Erection sequence of the present invention is: install slips mechanism earlier, at first the upper end with central tube 2 is connected with upper slips seat 1, install slips from top to bottom successively at the cylindrical of central tube 2 then and hold body 3, upper cone tube connector 8, suit upper slips 7 on the cylindrical of upper cone tube connector 8 again, the upper end of slips being held body 3 and upper cone tube connector 8 is fixed together by upper cone shear pin 4, mounting spring 5 in the spring groove that the cylindrical of upper slips 7 is provided with then, garter spring 6 is installed on the cylindrical of upper slips 7 again, install cone 9 in the lower end of upper slips 7, then lining 16 is inserted from the lower end, by lining shear pin 10 lower end of upper cone 9 and the upper end of lining 16 are fixed together, overlap successively at the cylindrical of lining 16 then and load onto protrusion-dispelling tensioner ring 11, last glue tube base 33, last cartridge 12, spacer ring 13, lower seal packing element 34, lower rubber cylinder seat 14, following protrusion-dispelling tensioner ring 15, interior circle at the lower end of lining 16 cylindrical and last cylinder sleeve 17 installs sealing ring then, will go up cylinder sleeve 17 then and be connected by the lower end of screw thread with lining 16;
Lower slips mechanism is installed again, earlier in the cylindrical seal groove of transition joint 19 upper ends, loads onto sealing ring, the upper end of transition joint 19 is inserted go up in the cylinder sleeve 17 then, with the lower end of central tube 2 and transition joint 19 by being threaded; Then lower cone tube connector 22 is sleeved on the lower end cylindrical of transition joint 19, again lower cone 20 is sleeved on the cylindrical of lower cone tube connector 22, and it is the upper end and the lower cone 20 of lower cone tube connector 22 is fixing by lower cone shear pin 21, upper end with lower cone 20 is threaded with the lower end of last cylinder sleeve 17 then, in the outside, lower end of lower cone 20 lower slips 23 is installed successively then, slips holds body 24, mounting spring in the spring groove that the cylindrical of lower slips 23 is provided with then, on the cylindrical of lower slips 23, garter spring is installed again, then body 24 being held with slips in the upper end that install the following cylinder sleeve 25 of lock ring 27 on interior circle is threaded, again load-carrying ring 28 is installed on the position of lower contact 26 cylindricals regulation, for the needs that seal, and at the upper end of lower contact 26 installation joint ring, again with in the cylinder sleeve 25 under lower contact 26 insertions, the upper end of lower contact 26 is threaded with the lower end of transition joint 19, upper end with lock tube 29 is threaded with the lower end of following cylinder sleeve 25 then, at last with centering ring 31 by thread set in lower contact 26, and fixing by safety shear pin 30, so just finished whole installation connection work of the present invention.
Embodiment 3
Working condition of the present invention is as follows: during work, in central tube 2, suppress, pressure is delivered in the cylinder sleeve 17 by central tube 2 bottom pressure transmission holes 35, last cylinder sleeve 17 promotes lining 16 under pressure, upper cone 9, upper cone tube connector 8 is up, cut off upper cone shear pin 4, upper cone 9 inserts in the upper slips 7 under motive force, upper slips 7 is swollen and the sleeve pipe interlock and since upper cone 9 can not continue up, therefore, rising along with pressure, lining shear pin 10 between lining 16 and the upper cone 9 is cut off, and under the drive of lining 16, last cylinder sleeve 17 upwards promotes, on pressure expands, lower seal packing element 12 and 34, and protrusion- dispelling tensioner ring 11 and 15; At the same time, pressure is delivered to down in the cylinder sleeve 25 by the pressure transmission hole 32 of transition joint 19 bottoms, following cylinder sleeve 25 and lower slips hold body 24 to promote lower cone tube connector 22 under pressure up, cut off safe shear pin 30 and lower cone shear pin 21, make the lower slips 23 interlock sleeve pipe that swells; In up process, lock tube 29 also is up to lock ring 27 places, finishes the locking action after setting, and the present invention finishes and sets; Because lock tube 29 can only unidirectionally move upward with respect to lock ring 27, after setting the pressure pressure release or during construction operation, lock tube 29 drives lock ring 27 and power is transmitted on the load-carrying ring 28 downwards, because load-carrying ring 28 is threaded togather with lower contact 26, so pressure has also just been passed to lower contact 26, thus the permanent grappling between realization slips and cone, slips and the sleeve pipe.
Claims (10)
1. split type anchor suspension packer comprises upper and lower slips mechanism, it is characterized in that:
The outside of the central tube of described upper slips mechanism is equipped with upper slips downwards successively and holds body, upper cone tube connector, is set with upper slips at the cylindrical of upper cone tube connector; The lower end of upper slips be equipped with successively upper cone, lining, on protrusion-dispelling tensioner ring group, on glue tube base, on cartridge, lower seal packing element, lower rubber cylinder seat, protrusion-dispelling tensioner ring and last cylinder sleeve down;
The outside of the transition joint of described lower slips mechanism is equipped with lower cone, lower cone tube connector and lower slips downwards successively, lower end in transition joint is provided with pressure transmission hole, the lower end of lower cone tube connector is held body with lower slips and is connected, the lower end of transition joint is connected with the upper end of lower contact, be disposed with cylinder sleeve, lock tube and centering ring down in the outside of lower contact, the upper end of following cylinder sleeve is held body with lower slips and is connected, and the lower end of following cylinder sleeve is connected with lock tube, and centering ring is connected the bottom of lower contact.
2. split type anchor suspension packer according to claim 1 is characterized in that: the external surface at described upper slips is provided with spring groove, in the spring groove spring is installed, and also is provided with garter spring on the surface of upper slips.
3. split type anchor suspension packer according to claim 1 is characterized in that: the upper end of described upper cone tube connector and upper slips hold body and fix by the upper cone shear pin, and the lower end is connected with upper cone by screw thread.
4. split type anchor suspension packer according to claim 1, it is characterized in that: described upper end of going up cylinder sleeve is threaded with the lower end of lining, the upper end of lining and the lower end of upper cone are fixed by the lining shear pin, and the lower end of upper cone is to be sleeved on the cylindrical of lining upper end.
5. split type anchor suspension packer according to claim 1 is characterized in that: be provided with spacer ring between described upper and lower cartridge.
6. split type anchor suspension packer according to claim 1 is characterized in that: the interior circle at the lower end of described lining cylindrical and last cylinder sleeve is provided with sealing ring, and fenestra is provided with sealing ring outside the upper end of transition joint.
7. split type anchor suspension packer according to claim 1 is characterized in that: the upper end of described lower cone tube connector and lower cone are fixed by the lower cone shear pin.
8. split type anchor suspension packer according to claim 1 is characterized in that: the external surface in described lower contact is fixed with load-carrying ring by screw thread.
9. split type anchor suspension packer according to claim 1 is characterized in that: the described interior circle of cylinder sleeve down is provided with lock ring.
10. split type anchor suspension packer according to claim 1 is characterized in that: describedly go up protrusion-dispelling tensioner ring group, go up glue tube base, go up cartridge, lower seal packing element, lower rubber cylinder seat, protrusion-dispelling tensioner ring and last cylinder sleeve are to be sleeved on the cylindrical of lining down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102162407A CN101864923B (en) | 2010-07-02 | 2010-07-02 | Split type anchor suspension packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102162407A CN101864923B (en) | 2010-07-02 | 2010-07-02 | Split type anchor suspension packer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101864923A true CN101864923A (en) | 2010-10-20 |
| CN101864923B CN101864923B (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102162407A Active CN101864923B (en) | 2010-07-02 | 2010-07-02 | Split type anchor suspension packer |
Country Status (1)
| Country | Link |
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| CN (1) | CN101864923B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418492A (en) * | 2011-11-02 | 2012-04-18 | 中国石油集团渤海钻探工程有限公司 | Tie-back plug-in sealing device for horizontal well fracturing |
| CN103015912A (en) * | 2012-12-18 | 2013-04-03 | 安东石油技术（集团）有限公司 | Tieback plug |
| CN108915633A (en) * | 2018-06-28 | 2018-11-30 | 中国海洋石油集团有限公司 | A kind of Recyclable packer |
| CN109025893A (en) * | 2018-09-18 | 2018-12-18 | 中国石油集团西部钻探工程有限公司 | detachable packer |
| CN109869112A (en) * | 2017-12-01 | 2019-06-11 | 中石化石油工程技术服务有限公司 | A kind of bi-directional slip formula external casing packer |
| CN110331959A (en) * | 2019-07-31 | 2019-10-15 | 西南石油大学 | A kind of capping tools |
| CN113250647A (en) * | 2021-07-19 | 2021-08-13 | 中国石油集团川庆钻探工程有限公司 | Suspension well completion integrated packer and well completion pipe string |
| CN116427879A (en) * | 2023-03-30 | 2023-07-14 | 淮安市井神钻采机具有限公司 | Packer with simple assembly structure |
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| US5058671A (en) * | 1990-08-13 | 1991-10-22 | Lindsey Completion Systems, Inc. | Pipe insert assembly |
| WO1994005895A1 (en) * | 1992-09-04 | 1994-03-17 | Halliburton Company | Hydraulic release apparatus and method |
| CN200968195Y (en) * | 2006-11-02 | 2007-10-31 | 四川石油管理局井下作业公司 | Permanent type sealing anchoring packer |
| CN201269076Y (en) * | 2008-08-31 | 2009-07-08 | 濮阳市东昊机械电子有限公司 | Bidirectional slip packer |
| CN201396103Y (en) * | 2009-02-24 | 2010-02-03 | 阜宁县宏达石化机械有限公司 | Packer |
| CN201695990U (en) * | 2010-07-02 | 2011-01-05 | 中国石油集团川庆钻探工程有限公司 | Split-type slip hanger packer |
-
2010
- 2010-07-02 CN CN2010102162407A patent/CN101864923B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5058671A (en) * | 1990-08-13 | 1991-10-22 | Lindsey Completion Systems, Inc. | Pipe insert assembly |
| WO1994005895A1 (en) * | 1992-09-04 | 1994-03-17 | Halliburton Company | Hydraulic release apparatus and method |
| CN200968195Y (en) * | 2006-11-02 | 2007-10-31 | 四川石油管理局井下作业公司 | Permanent type sealing anchoring packer |
| CN201269076Y (en) * | 2008-08-31 | 2009-07-08 | 濮阳市东昊机械电子有限公司 | Bidirectional slip packer |
| CN201396103Y (en) * | 2009-02-24 | 2010-02-03 | 阜宁县宏达石化机械有限公司 | Packer |
| CN201695990U (en) * | 2010-07-02 | 2011-01-05 | 中国石油集团川庆钻探工程有限公司 | Split-type slip hanger packer |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102418492A (en) * | 2011-11-02 | 2012-04-18 | 中国石油集团渤海钻探工程有限公司 | Tie-back plug-in sealing device for horizontal well fracturing |
| CN103015912A (en) * | 2012-12-18 | 2013-04-03 | 安东石油技术（集团）有限公司 | Tieback plug |
| CN109869112A (en) * | 2017-12-01 | 2019-06-11 | 中石化石油工程技术服务有限公司 | A kind of bi-directional slip formula external casing packer |
| CN109869112B (en) * | 2017-12-01 | 2024-02-20 | 中石化石油工程技术服务有限公司 | Bidirectional slip type casing external packer |
| CN108915633A (en) * | 2018-06-28 | 2018-11-30 | 中国海洋石油集团有限公司 | A kind of Recyclable packer |
| CN109025893A (en) * | 2018-09-18 | 2018-12-18 | 中国石油集团西部钻探工程有限公司 | detachable packer |
| CN110331959A (en) * | 2019-07-31 | 2019-10-15 | 西南石油大学 | A kind of capping tools |
| CN113250647A (en) * | 2021-07-19 | 2021-08-13 | 中国石油集团川庆钻探工程有限公司 | Suspension well completion integrated packer and well completion pipe string |
| CN116427879A (en) * | 2023-03-30 | 2023-07-14 | 淮安市井神钻采机具有限公司 | Packer with simple assembly structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101864923B (en) | 2012-11-21 |
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Effective date of registration: 20200909 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 610051, Sichuan Province, Chenghua District, Chengdu two ring road, paragraph 6, four North Ruifeng Lane Patentee before: DOWNHOLE OPERATION COMPANY, CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. |
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