CN102654041A - Setting tool for well completion pipe string - Google Patents
Setting tool for well completion pipe string Download PDFInfo
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- CN102654041A CN102654041A CN2012101688170A CN201210168817A CN102654041A CN 102654041 A CN102654041 A CN 102654041A CN 2012101688170 A CN2012101688170 A CN 2012101688170A CN 201210168817 A CN201210168817 A CN 201210168817A CN 102654041 A CN102654041 A CN 102654041A
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- fixed guide
- guide axle
- rotating cylinder
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- cutting edge
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Abstract
The invention relates to a setting tool for a well completion pipe string, which is applied to setting construction of the well completion pipe string for petroleum and natural gas drilling. A fixed guide mandrel is connected at the lower end of an upper joint; a guide spiral groove is processed on the outer surface of the fixed guide mandrel; a sliding sleeve is sheathed on the outer wall of the fixed guide mandrel; a sliding pin is fixedly arranged on the wall of the sliding sleeve, and the inner end of the sliding pin is arranged in the guide spiral groove; a rotating cylinder is connected at the lower end of the sliding sleeve, and the rotating cylinder is sheathed on the outer wall of the fixed guide mandrel; a shearing pin is fixedly arranged on the rotating cylinder; the shearing pin is used for fixing the rotating cylinder on the outer wall of the fixed guide mandrel; and the lower end of the rotating cylinder is in threaded connection with a casing shoe with a cutting edge. The setting tool has the effects that: the structure of the casing shoe is spirally lifted and connected at the lower end of the well completion pipe string, and the well completion pipe string is lifted upwards and set downwards, so that the whole well completion pipe string does not need to be rotated when an obstacle is met during setting of the pipe string, the obstacle can be completely cleared, and the pipe string can be set to the design position.
Description
Technical field
The present invention relates to the oil and gas well drilling technical field, particularly a kind of special tool of fashionable connection under the completion tubular column is a kind of special tool that the completion tubular column lower end is lowered to completion tubular column smoothly that is connected.
Background technology
Along with deepening continuously of exploration and development; Quantity such as deep-well, ultradeep well and horizontal well, extended reach well are more and more; The following degree of depth of completion tubular column (like sleeve pipe and screen casing etc.) is more and more darker; The well track that is lowered to of completion tubular column becomes increasingly complex, and is lowered to situation about being hampered in the process and happens occasionally, and following completion tubular column has been proposed increasingly high requirement.
Completion tubular column is lowered to the conventional solution that is hampered: the rotation completion tubular column and on put and put completion tubular column, also want the turn on pump circulating fluid simultaneously.This method can effectively solve the completion tubular column of the simple oil gas well of well track and transfer.Yet, when the completion tubular column of big displacement, complicated well is transferred,, completion tubular column is hampered in case transferring, and the well frictional resistance is bigger, is difficult to the whole completion tubular column of rotation.Even can rotate completion tubular column sometimes, also might damage complicated completion tubular column (like baroque screen casing).Therefore, the completion tubular column of routine is transferred the very difficult completion tubular column that solves big displacement, complicated well of the solution that is hampered and is transferred the problem that is hampered.
Summary of the invention
The objective of the invention is: provide a kind of completion tubular column to be lowered to instrument, can be under the situation of not rotating completion tubular column, only need through on put and put completion tubular column, circulating fluid is realized the rotary cutting obstacle simultaneously, transfers completion tubular column smoothly to design attitude.
The technical scheme that the present invention adopts is: completion tubular column is lowered to instrument, mainly is made up of top connection, fixed guide axle, sliding pin, shear pin, slip cap and band cutting edge casing shoe.There is the sleeve pipe internal thread upper end of top connection, and there is the connection internal thread lower end of top connection, it is characterized in that: the fixed guide axle that is threaded in the lower end of top connection, and the fixed guide axle is the cylinder bodily form, the fixed guide axle has centre bore; External surface in the fixed guide axle is processed with the guiding helicla flute.On the outer wall of fixed guide axle, be with a slip cap, slip cap and fixed guide axle are slidingly matched; On the slip jacket wall, be fixed with sliding pin, the sliding pin center line is vertical with fixed guide axle center line, and the inner of sliding pin is in the guiding helicla flute; When slip cap on fixed guide axle outer wall simultaneously in axial sliding, sliding pin slides in the guiding helicla flute, makes slip cap produce rotation simultaneously in axial sliding.
There is the connection internal thread lower end of slip cap, and the lower end of slip cap connects a rotating cylinder, and rotating cylinder is enclosed within on the outer wall of fixed guide axle; On the wall of rotating cylinder, be symmetrically fixed with shear pin, in the fixing hole of the inner of shear pin on fixed guide axle wall; On shear pin the fixed guide axle outer wall that rotating cylinder is fixing; There is external screw thread lower end at rotating cylinder, and rotating cylinder lower end screw thread is connected with band cutting edge casing shoe, and band cutting edge casing shoe is the cylinder bodily form, and band cutting edge casing shoe lower end is a sphere shape, is fixed with cutting edge on the surface of band cutting edge casing shoe sphere shape.
In order to improve sealing, on the outer wall of fixed guide axle lower end, seal groove is arranged, sealing ring is arranged in the seal groove.Make between rotating cylinder inwall and the fixed guide axle outer wall and seal.
The cross section that described guiding helicla flute is led is a rectangle, is between 25～45 degree to the spiral fluted gradient; Guiding spiral fluted quantity is 2～3, and the distance between adjacent two guiding helicla flutes is between 200～400mm.
Be connected below the completion tubular column, completion tubular column tool string upper end is joint circulate (drive on direct connection side's drilling rod of tail pipe and screen casing or top, and sleeve pipe drives through becoming snapping head connection side's drilling rod or top) in succession.After well is hampered, completion tubular column is applied the pressure of the drill, cut off shear pin.On carry completion tubular column after design runlength, fixed guide axle and the slip cap design runlength that relatively moves.Transfer completion tubular column, slip cap and casing shoe rotary cutting under the effect of fixed guide axle and sliding pin of being with cutting edge.So back and forth, until having cleared up obstacle, transfer tubing string to design attitude.
Beneficial effect of the present invention: completion tubular column of the present invention is lowered to instrument; Adopt spiral to revolve and rise the casing shoe structure; Be connected the completion tubular column lower end, through on put and put completion tubular column, realize that tubing string is transferred to need not to rotate whole completion tubular column when being hampered; Just can clear up obstacle, transfer tubing string to design attitude.
Description of drawings
Fig. 1 is that completion tubular column of the present invention is lowered to the structural representation when instrument is connected with completion tubular column and G.I.H is hampered.
Fig. 2 is that completion tubular column of the present invention is lowered to the tool construction generalized section.
Fig. 3 is the A-A generalized section of Fig. 2.
Fig. 4 is the B-B generalized section of Fig. 2.
Among the figure, the 1-sleeve pipe, the 2-completion tubular column, the 3-completion tubular column is transferred instrument, 4-obstacle, 5-well, 6-fixed guide axle, 7-sliding pin, 8-slip cap, 9-rotating cylinder, 10-shear pin, 11-band cutting edge casing shoe, 12-top connection.
The specific embodiment
Embodiment 1: with one 51/2 " to transfer method be example for the horizontal well of cased hole completion tubing string, patent of the present invention is elaborated.
Consult Fig. 2.Completion tubular column is lowered to instrument, mainly is made up of top connection 12, fixed guide axle 6, sliding pin 7, shear pin 10, slip cap 8 and band cutting edge casing shoe 11.
The upper end of top connection 12 has 51/2 " API normal sleeve internal thread; there is the connection internal thread lower end of top connection 12, the fixed guide axle 6 that is threaded in the lower end of top connection 12, fixed guide axle 6 is the cylinder bodily form; external diameter 102mm, it is the centre bore of 35mm that fixed guide axle 6 has diameter; External surface in fixed guide axle 6 is processed with 2 guiding helicla flutes.The cross section that the guiding helicla flute is led is a rectangle, is 30 degree to the spiral fluted gradient; Guiding spiral fluted quantity is 2, and the distance between adjacent two guiding helicla flutes is at 300mm.
On the outer wall of fixed guide axle 6, be with a slip cap 8, slip cap 8 is slidingly matched with fixed guide axle 6; Consult Fig. 3.On slip cap 8 walls, be fixed with sliding pin 7 through screw thread, sliding pin 7 center lines are vertical with fixed guide axle 6 center lines, and the inner of sliding pin 7 is in the guiding helicla flute; When slip cap 8 on fixed guide axle 6 outer walls simultaneously in axial sliding, sliding pin 7 slides in the guiding helicla flute, makes slip cap 8 produce rotation simultaneously in axial sliding.
There is the connection internal thread lower end of slip cap 8, and the lower end of slip cap 8 connects a rotating cylinder 9, and rotating cylinder 9 is enclosed within on the outer wall of fixed guide axle 6.Consult Fig. 4.On the wall of rotating cylinder 9, be symmetrically fixed with two shear pins 10, in the fixing hole of the inner of shear pin 10 on fixed guide axle 6 walls.On shear pin 10 fixed guide axle 6 outer walls that rotating cylinder 9 is fixing.Consult Fig. 2.There is external screw thread lower end at rotating cylinder 9; Rotating cylinder 9 lower end screw threads are connected with band cutting edge casing shoe 11; Band cutting edge casing shoe 11 is the cylinder bodily form, and band cutting edge casing shoe 11 lower ends are sphere shape, is fixed with cutting edge on the surface of band cutting edge casing shoe 11 sphere shapes.
On fixed guide axle 6 lower end outer walls, the two seals groove is arranged, sealing ring is arranged in the seal groove.
Sketch the operating principle that completion tubular column of the present invention is lowered to instrument.Consult Fig. 1.Sleeve pipe 1 is 95/8 " sleeve pipe, the instrument 3 that completion tubular column is transferred is connected 51/2 " completion tubular column 2 lower ends, front end runs into obstacle 4 when transferring in the horizontal hole 5.
At first, to 51/2 " completion tubular column 2 adds 5t the pressure of the drill, cuts off shear pin 9.
51/2 " completion tubular column 2 upper ends joint (drive on direct connection side's drilling rod of tail pipe and screen casing or top; sleeve pipe drives through becoming snapping head connection side's drilling rod or top) in succession; carry out circulation of drilling fluid, the band cutting edge casing shoe 11 of bottom is processed with hydrophthalmia, and the drilling fluid hydrophthalmia builds the pressure; At this moment, the drilling liquid pressure in the completion tubular column 2 produces downward thrust to band cutting edge casing shoe 10.
On carry completion tubular column 2, on degree of raising 1m.Fixed guide axle 6 and the slip cap 8 1m stroke that relatively moves.
Transfer completion tubular column 2, slip cap 8 rotates under the effect of fixed guide axle 6 and sliding pin 7 with the casing shoe 10 of band cutting edge; Casing shoe 10 cuttings of band cutting edge, broken obstacle 4.
The put-on and delegated completion tubular column 2 repeatedly that so circulates is until having cleared up obstacle.Continue to transfer completion tubular column 2 to the target location.
Claims (3)
1. a completion tubular column is lowered to instrument, mainly is made up of top connection (12), fixed guide axle (6), sliding pin (7), shear pin (10), slip cap (8) and band cutting edge casing shoe (11); There is the sleeve pipe internal thread upper end of top connection (12); There is the connection internal thread lower end of top connection (12); It is characterized in that: the fixed guide axle (6) that is threaded in the lower end of top connection (12), fixed guide axle (6) is the cylinder bodily form, fixed guide axle (6) has centre bore; External surface in fixed guide axle (6) is processed with the guiding helicla flute; On the outer wall of fixed guide axle (6), be with a slip cap (8), slip cap (8) is slidingly matched with fixed guide axle (6); On slip cap (8) wall, be fixed with sliding pin (7), sliding pin (7) center line is vertical with fixed guide axle (6) center line, and the inner of sliding pin (7) is in the guiding helicla flute;
There is the connection internal thread lower end of slip cap (8), and the lower end of slip cap (8) connects a rotating cylinder (9), and rotating cylinder (9) is enclosed within on the outer wall of fixed guide axle (6); On the wall of rotating cylinder (9), be symmetrically fixed with shear pin (10), in the fixing hole of the inner of shear pin (10) on fixed guide axle (6) wall; On shear pin (10) fixed guide axle (6) outer wall that rotating cylinder (9) is fixing; There is external screw thread lower end at rotating cylinder (9); Rotating cylinder (9) lower end screw thread is connected with band cutting edge casing shoe (11); Band cutting edge casing shoe (11) is the cylinder bodily form, and band cutting edge casing shoe (11) lower end is a sphere shape, is fixed with cutting edge on the surface of band cutting edge casing shoe (11) sphere shape.
2. completion tubular column according to claim 1 is lowered to instrument, it is characterized in that: on the outer wall of fixed guide axle (6) lower end, seal groove is arranged, sealing ring is arranged in the seal groove.
3. completion tubular column according to claim 1 and 2 is lowered to instrument, it is characterized in that: the cross section that described guiding helicla flute is led is a rectangle, is between 25～45 degree to the spiral fluted gradient; Guiding spiral fluted quantity is 2～3, and the distance between adjacent two guiding helicla flutes is between 200～400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168817.0A CN102654041B (en) | 2012-05-28 | 2012-05-28 | Setting tool for well completion pipe string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168817.0A CN102654041B (en) | 2012-05-28 | 2012-05-28 | Setting tool for well completion pipe string |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102654041A true CN102654041A (en) | 2012-09-05 |
| CN102654041B CN102654041B (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210168817.0A Active CN102654041B (en) | 2012-05-28 | 2012-05-28 | Setting tool for well completion pipe string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102654041B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358518A (en) * | 2014-09-12 | 2015-02-18 | 中国石油集团长城钻探工程有限公司 | Guiding tool with drifting function for downwards running casing pipe capable of being fished |
| CN107448156A (en) * | 2017-09-15 | 2017-12-08 | 长江大学 | A kind of full-bore casing guide |
| CN114109277A (en) * | 2020-08-31 | 2022-03-01 | 中国石油化工股份有限公司 | Self-adaptive rotary guide shoe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2605381Y (en) * | 2002-12-20 | 2004-03-03 | 华北石油管理局油气井测试公司 | Oil-gas well measuring safety releasing device |
| CN2658391Y (en) * | 2003-10-24 | 2004-11-24 | 李秀竹 | Self-rotary scraper |
| RU2397306C1 (en) * | 2009-07-24 | 2010-08-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Hydro-mechanical anchor |
| CN202745766U (en) * | 2012-05-28 | 2013-02-20 | 中国石油天然气集团公司 | Well completion pipe column lowering tool |
-
2012
- 2012-05-28 CN CN201210168817.0A patent/CN102654041B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2605381Y (en) * | 2002-12-20 | 2004-03-03 | 华北石油管理局油气井测试公司 | Oil-gas well measuring safety releasing device |
| CN2658391Y (en) * | 2003-10-24 | 2004-11-24 | 李秀竹 | Self-rotary scraper |
| RU2397306C1 (en) * | 2009-07-24 | 2010-08-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Hydro-mechanical anchor |
| CN202745766U (en) * | 2012-05-28 | 2013-02-20 | 中国石油天然气集团公司 | Well completion pipe column lowering tool |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358518A (en) * | 2014-09-12 | 2015-02-18 | 中国石油集团长城钻探工程有限公司 | Guiding tool with drifting function for downwards running casing pipe capable of being fished |
| CN107448156A (en) * | 2017-09-15 | 2017-12-08 | 长江大学 | A kind of full-bore casing guide |
| CN107448156B (en) * | 2017-09-15 | 2023-07-04 | 长江大学 | Full-drift diameter sleeve guide shoe |
| CN114109277A (en) * | 2020-08-31 | 2022-03-01 | 中国石油化工股份有限公司 | Self-adaptive rotary guide shoe |
| CN114109277B (en) * | 2020-08-31 | 2024-05-07 | 中国石油化工股份有限公司 | Self-adaptive rotary guide shoe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102654041B (en) | 2014-10-15 |
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