CN103388469B - Packing tool - Google Patents
Packing tool Download PDFInfo
- Publication number
- CN103388469B CN103388469B CN201310325547.4A CN201310325547A CN103388469B CN 103388469 B CN103388469 B CN 103388469B CN 201310325547 A CN201310325547 A CN 201310325547A CN 103388469 B CN103388469 B CN 103388469B
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- Prior art keywords
- outer tube
- unicom
- pipe
- joint
- interior pipe
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- 238000012856 packing Methods 0.000 title claims abstract description 23
- 239000004576 sand Substances 0.000 claims abstract description 39
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 13
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
A kind of packing tool, top connection and back-off sub, fluid cylinder connects, between fluid cylinder and back-off sub, piston is installed, back-off sub is connected with outer tube, in piston, fishing joint is installed, fishing joint seat is on outer tube, piston is connected in fishing joint by setting pin, being connected with lock ring seat pipe of piston, unidirectional lock ring is installed in lock ring seat pipe inside, fishing joint is connected on outer tube by deblocking pin, the bottom of lock ring seat pipe is connected with cone, cone extracorporeal set packing element, anchor is suspended in cone, back-off sub is connected with interior pipe, sliding sleeve connects on inner pipe by pin, pitching seat is on sliding sleeve, interior pipe is set with outward closes cover, closing cover is connected on interior pipe by breaking pin, in UNICOM, pipe box is contained in and closes outside cover, snap ring is installed on the top closing cover, UNICOM's outer tube sleeve to be contained in UNICOM outside pipe, anchor, UNICOM's outer tube, sand screen joint connects successively, under interior pipe, ball cover is installed, the bottom of ball cover is connected with washing pipe joint, stifled ball is on washing pipe joint.
Description
Technical field
The present invention is the downhole tool of oil field stratum sand control, is a kind of packing tool.
Background technology
In sand control, there are chemical sand control and mechanical sand control two type, the sand grains that filling is special in pit shaft, stop that the sand method entered in well in oil reservoir is exactly a kind of mechanical sand control by this special sand grains.This mechanical sand control needs sand proof packing tool, and existing sand proof packing tool unreasonable structure, filling success rate is low, and flow chart is many, and the activity duration is long, costly.As the patent No. 200420096658.9 sand proof packing tool, releasing pup joint 5 realizes departing from by hydraulic pressure with suspension joint 6, when hydraulic pressure departs from unreliable, releasing pup joint 5 and suspension joint 6 cannot depart from, instrument can not be given up, and sand control work will be failed, and Important Project accident occurs, needing carries out large repairs after operation could be pulled out to oil well re-starts sand control, increase flow chart, greatly increase operating cost, sand control time lengthening, oil production reduces, and oil well economic benefit declines.
Summary of the invention
The object of the invention is to design a kind of packing tool, stay well part and proposition part to realize departing from by rotation pipeline, improve tool reliability, increase sand control success rate, reduce flow chart, shorten the activity duration, save operating cost.
The object of the present invention is achieved like this: comprise top connection, piston, fluid cylinder, back-off sub, fishing joint, setting pin, unidirectional lock ring, outer tube, interior pipe, deblocking pin, lock ring seat pipe, cone, packing element, anchor, UNICOM's outer tube, snap ring, pin, close cover, break pin, ball cover, stifled ball, sand screen joint, washing pipe joint, pitching, sliding sleeve, manage in UNICOM, the internal thread of top connection bottom is connected with the top of back-off sub, the external screw thread of top connection bottom is connected with the top of fluid cylinder, between fluid cylinder and back-off sub, piston is installed, piston is under the linked hole on back-off sub top, the sinistral external thread of back-off sub bottom is connected with the levogyrate inner thread on the top of outer tube, in piston, fishing joint is installed, fishing joint seat is on outer tube, piston is connected in fishing joint by setting pin, the bottom of piston is connected with the top of lock ring seat pipe, unidirectional lock ring is installed in lock ring seat pipe inside, fishing joint is connected on outer tube by deblocking pin, the bottom of lock ring seat pipe is connected with cone, cone extracorporeal set packing element, packing element is sleeved on the top of anchor, anchor is suspended in cone, the lower internal thread of back-off sub is connected with the top of interior pipe, interior pipe there is communication groove, sliding sleeve covers the communication groove interior pipe from the inside of interior pipe, sliding sleeve connects on inner pipe by pin, pitching seat is in the upper port of sliding sleeve, interior pipe is set with outward closes cover, closing cover is connected on interior pipe by breaking pin, in UNICOM, pipe box is contained in and closes outside cover, snap ring is installed on the top closing cover, UNICOM's outer tube sleeve to be contained in UNICOM outside pipe, the top of UNICOM's outer tube is connected with the bottom of anchor, the bottom of UNICOM's outer tube is connected with sand screen joint, the bottom of interior pipe is connected with the top of ball cover, the bottom of ball cover is connected with washing pipe joint, stifled ball seat is on the endoporus of washing pipe joint, piston there is well-flushing through hole, annular space is had between outer tube and interior pipe, vertical-sprue is had between pipe in UNICOM's outer tube and UNICOM, ball cover there is groove, well-flushing through hole, annular space, vertical-sprue, groove communicates, and UNICOM's outer tube had sand launder, and the communication groove on interior pipe is by closing cover, communication groove in UNICOM on pipe communicates with the sand launder of crossing on UNICOM outer tube.
The invention has the beneficial effects as follows: hydraulic pressure packing sleeve pipe, Hydraulic Anchorage, ground rotation pipeline, the levogyrate inner thread junction on the sinistral external thread of back-off sub bottom and the top of outer tube is thrown off, this three steps reliable operation, can guarantee sand control success, reduce flow chart, shorten the activity duration, save operating cost, improve the economic benefit of sand proof well.
Accompanying drawing explanation
Accompanying drawing is the assembling drawing of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described.
As seen from the figure, embodiments of the invention comprise top connection 1, piston 2, fluid cylinder 3, back-off sub 4, fishing joint 6, setting pin 7, unidirectional lock ring 8, outer tube 9, interior pipe 10, deblocking pin 11, lock ring seat pipe 12, cone 13, packing element 14, anchor 15, UNICOM's outer tube 17, snap ring 18, pin 20, close cover 21, break pin 22, ball cover 24, stifled ball 25, sand screen joint 26, washing pipe joint 27, pitching 28, flow guide sleeve 29, sliding sleeve 31, pipe 32 in UNICOM, the internal thread of top connection 1 bottom is connected with the top of back-off sub 4, the external screw thread of top connection 1 bottom is connected with the top of fluid cylinder 3, piston 2 is installed between fluid cylinder 3 and back-off sub 4, piston 2 is under the linked hole on back-off sub 4 top, the sinistral external thread of back-off sub 4 bottom is connected with the levogyrate inner thread on the top of outer tube 9, in piston 2, fishing joint 6 is installed, fishing joint 6 is on outer tube 9, piston 2 is connected in fishing joint 6 by setting pin 7, the bottom of piston 2 is connected with the top of lock ring seat pipe 12, unidirectional lock ring 8 is installed in lock ring seat pipe 12 inside, fishing joint 6 is connected on outer tube 9 by deblocking pin 11, the bottom of lock ring seat pipe 12 is connected with cone 13, cone 13 outer suit packing element 14, packing element 14 is sleeved on the top of anchor 15, anchor 15 is suspended in cone 13, the lower internal thread of back-off sub 4 is connected with the top of interior pipe 10, interior pipe 10 there is communication groove, sliding sleeve 31 covers the communication groove interior pipe 10 from the inside of interior pipe 10, sliding sleeve 31 is connected on interior pipe 10 by pin 20, pitching 28 is in the upper port of sliding sleeve 31, cover 21 closed by the outer suit of interior pipe 10, closing cover 21 is connected on interior pipe 10 by breaking pin 22, in UNICOM, pipe 32 is sleeved on and closes outside cover 21, snap ring 18 is installed on the top closing cover 21, UNICOM's outer tube 17 to be sleeved in UNICOM outside pipe 32, the top of UNICOM's outer tube 17 is connected with the bottom of anchor 15, the bottom of UNICOM's outer tube 17 is connected with sand screen joint 26, the bottom of interior pipe 10 is connected with the top of ball cover 24, the bottom of ball cover 24 is connected with washing pipe joint 27, stifled 25, ball is on the endoporus of washing pipe joint 27, it is movable that stifled ball 25 is limited in ball cover 24, piston 2 there is well-flushing through hole 5, annular space 16 is had between outer tube 9 and interior pipe 10, vertical-sprue 19 is had between pipe 32 in UNICOM's outer tube 17 and UNICOM, ball cover 24 there is groove 23, well-flushing through hole 5, annular space 16, vertical-sprue 19, groove 23 communicates, and UNICOM's outer tube 17 had sand launder 30, and the communication groove on interior pipe 10 is by closing cover 21, communication groove in UNICOM on pipe 32 communicates with the sand launder 30 of crossing on UNICOM outer tube 17.Flow guide sleeve 29 is connected on UNICOM's outer tube 17, and the horn mouth of flow guide sleeve 29 is downward, and flow guide sleeve 29 is in, and UNICOM's outer tube 17 crosses sand launder 30 place, sand liquid being flowed downward from crossing after sand launder 30 flows out, avoiding punching to damage sleeve pipe.
The present invention to be connected under filling tubing string on sand-proof pipe, lower fashionable pitching 28 is not put into, under after design attitude, drop into pitching 28 again, then suppress, hydraulic pressure enters into the top of piston 2 from the linked hole on back-off sub 4 top, and setting pin 7 is cut off, piston 2 is descending, anchor 15 is anchored on sleeve pipe, and cone 13 makes packing element 14 outwards swell Sealed casing pipe, and anchoring states and sealing state are fixed up by unidirectional lock ring 8.Continue boosting, pin 20 is cut off, and sliding sleeve 31 is descending, and the communication groove in sliding sleeve 31 no longer covers on pipe 10, the present invention can carry out sand control filling, and sand liquid is filled to stratum from interior pipe 10 through sand launder 30.Backwash after sand off, flushing fluid is squeezed into from sleeve pipe and is upwards flowed out through well-flushing through hole 5, annular space 16, vertical-sprue 19, groove 23, interior pipe 10, realizes circulation well cleanup.Well-flushing terminates rear rotating forward oil pipe, back-off sub 4 is threaded off with the connecting thread of outer tube 9, make to stay well part and propose partly to depart from, on carry oil pipe, interior pipe 10 is broken pin 22 after driving and closing that cover 21 is up and hindered and is pulled off, filling passage is closed, and snap ring 18 blocks closedown cover 21 and do not fall, and proposition part can all propose.Lower subjob needs to pull out when staying well part, under enter fishing tool and fishing joint 6 top internal thread carry buckling, deblocking pin 11 is pulled off, and anchor 15 is disanchored, and cone 13 exits in packing element 14, stays well part just can all propose.
Claims (2)
1. a packing tool, comprise top connection (1), piston (2), fluid cylinder (3), back-off sub (4), fishing joint (6), setting pin (7), unidirectional lock ring (8), outer tube (9), interior pipe (10), deblocking pin (11), lock ring seat pipe (12), cone (13), packing element (14), anchor (15), UNICOM's outer tube (17), snap ring (18), pin (20), close cover (21), break pin (22), ball cover (24), stifled ball (25), sand screen joint (26), washing pipe joint (27), pitching (28), sliding sleeve (31), (32) are managed in UNICOM, it is characterized in that: the internal thread of top connection (1) bottom is connected with the top of back-off sub (4), the external screw thread of top connection (1) bottom is connected with the top of fluid cylinder (3), piston (2) is installed between fluid cylinder (3) and back-off sub (4), piston (2) is under the linked hole on back-off sub (4) top, the sinistral external thread of back-off sub (4) bottom is connected with the levogyrate inner thread on the top of outer tube (9), in piston (2), fishing joint (6) is installed, fishing joint (6) seat is on outer tube (9), piston (2) is connected in fishing joint (6) by setting pin (7), the bottom of piston (2) is connected with the top of lock ring seat pipe (12), unidirectional lock ring (8) is installed in lock ring seat pipe (12) inside, fishing joint (6) is connected on outer tube (9) by deblocking pin (11), the bottom of lock ring seat pipe (12) is connected with cone (13), cone (13) is set with packing element (14) outward, packing element (14) is sleeved on the top of anchor (15), anchor (15) is suspended in cone (13), the lower internal thread of back-off sub (4) is connected with the top of interior pipe (10), (10) have communication groove to interior pipe, sliding sleeve (31) covers the communication groove interior pipe (10) from the inside of interior pipe (10), sliding sleeve (31) is connected on interior pipe (10) by pin (20), pitching (28) seat is in the upper port of sliding sleeve (31), interior pipe (10) is set with outward closes cover (21), closing cover (21) is connected on interior pipe (10) by breaking pin (22), manage (32) in UNICOM and be sleeved on closedown cover (21) outward, snap ring (18) is installed on the top closing cover (21), UNICOM's outer tube (17) is sleeved in UNICOM and manages (32) outward, the top of UNICOM's outer tube (17) is connected with the bottom of anchor (15), the bottom of UNICOM's outer tube (17) is connected with sand screen joint (26), the bottom of interior pipe (10) is connected with the top of ball cover (24), the bottom of ball cover (24) is connected with washing pipe joint (27), stifled ball (25) seat is on the endoporus of washing pipe joint (27), piston (2) there is well-flushing through hole (5), annular space (16) is had between outer tube (9) and interior pipe (10), manage between (32) in UNICOM's outer tube (17) and UNICOM and have vertical-sprue (19), ball cover (24) there is groove (23), well-flushing through hole (5), annular space (16), vertical-sprue (19), groove (23) communicates, UNICOM's outer tube (17) had sand launder (30), communication groove on interior pipe (10) is by closing cover (21), the communication groove of managing in UNICOM on (32) communicates with the sand launder (30) of crossing in UNICOM's outer tube (17).
2. packing tool according to claim 1, it is characterized in that: flow guide sleeve (29) is connected on UNICOM's outer tube (17), the horn mouth of flow guide sleeve (29) is downward, and flow guide sleeve (29) is in sand launder (30) place excessively on UNICOM's outer tube (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325547.4A CN103388469B (en) | 2013-07-22 | 2013-07-22 | Packing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325547.4A CN103388469B (en) | 2013-07-22 | 2013-07-22 | Packing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103388469A CN103388469A (en) | 2013-11-13 |
| CN103388469B true CN103388469B (en) | 2015-09-09 |
Family
ID=49532878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310325547.4A Active CN103388469B (en) | 2013-07-22 | 2013-07-22 | Packing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103388469B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567692A (en) * | 2016-11-14 | 2017-04-19 | 王延睿 | Dual-control filling device and method for oil exploitation |
| CN110735619B (en) * | 2018-07-19 | 2021-08-10 | 中国石油化工股份有限公司 | Single-layer extrusion filling pipe column in multiple oil layers |
| CN109209286A (en) * | 2018-10-20 | 2019-01-15 | 东营百华石油技术开发有限公司 | A kind of packer of oil well filling sand control |
| CN109296346A (en) * | 2018-10-21 | 2019-02-01 | 东营百华石油技术开发有限公司 | A kind of sand control pack device that can be anti-sticking |
| CN112502675B (en) * | 2021-02-09 | 2021-06-11 | 山东高盛石油科技有限公司 | Forward filling tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201013326Y (en) * | 2006-11-01 | 2008-01-30 | 刘炳松 | High-pressure once extruding circulation packing tool |
| CN201068789Y (en) * | 2007-02-14 | 2008-06-04 | 中国石化集团胜利石油管理局井下作业公司 | Fracturing sand-proof filling tool |
| CN201092850Y (en) * | 2007-09-13 | 2008-07-30 | 冯永平 | Once packing high-low pressure filling device |
| CN103075131A (en) * | 2012-12-12 | 2013-05-01 | 山东瑞丰石油技术有限责任公司 | Open hole gravel packing tool and open hole gravel packing method for horizontal well |
| CN203374259U (en) * | 2013-07-22 | 2014-01-01 | 东营百华石油技术开发有限公司 | Filling tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6286598B1 (en) * | 1999-09-29 | 2001-09-11 | Halliburton Energy Services, Inc. | Single trip perforating and fracturing/gravel packing |
-
2013
- 2013-07-22 CN CN201310325547.4A patent/CN103388469B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201013326Y (en) * | 2006-11-01 | 2008-01-30 | 刘炳松 | High-pressure once extruding circulation packing tool |
| CN201068789Y (en) * | 2007-02-14 | 2008-06-04 | 中国石化集团胜利石油管理局井下作业公司 | Fracturing sand-proof filling tool |
| CN201092850Y (en) * | 2007-09-13 | 2008-07-30 | 冯永平 | Once packing high-low pressure filling device |
| CN103075131A (en) * | 2012-12-12 | 2013-05-01 | 山东瑞丰石油技术有限责任公司 | Open hole gravel packing tool and open hole gravel packing method for horizontal well |
| CN203374259U (en) * | 2013-07-22 | 2014-01-01 | 东营百华石油技术开发有限公司 | Filling tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103388469A (en) | 2013-11-13 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Lining used on gravel filling tools Effective date of registration: 20170811 Granted publication date: 20150909 Pledgee: China Co. truction Bank Corp Dongying Shengda subbranch Pledgor: DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2017990000739 |
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Date of cancellation: 20200630 Granted publication date: 20150909 Pledgee: China Co. truction Bank Corp Dongying Shengda subbranch Pledgor: DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: 2017990000739 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Open hole gravel packing tool and open hole gravel packing method for horizontal well Effective date of registration: 20200630 Granted publication date: 20150909 Pledgee: Dongying rural commercial bank Limited by Share Ltd. West City Branch Pledgor: DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020980003663 |
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Date of cancellation: 20211223 Granted publication date: 20150909 Pledgee: Dongying rural commercial bank Limited by Share Ltd. West City Branch Pledgor: DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2020980003663 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Filling tool Effective date of registration: 20211229 Granted publication date: 20150909 Pledgee: Dongying rural commercial bank Limited by Share Ltd. West City Branch Pledgor: DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2021980016908 |
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Date of cancellation: 20230116 Granted publication date: 20150909 Pledgee: Dongying rural commercial bank Limited by Share Ltd. West City Branch Pledgor: DONGYING BAIHUA PETROLEUM TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2021980016908 |
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