CN105019845A - Branch hole positioning guiding tool - Google Patents
Branch hole positioning guiding tool Download PDFInfo
- Publication number
- CN105019845A CN105019845A CN201510387372.9A CN201510387372A CN105019845A CN 105019845 A CN105019845 A CN 105019845A CN 201510387372 A CN201510387372 A CN 201510387372A CN 105019845 A CN105019845 A CN 105019845A
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- Prior art keywords
- suspension body
- windowing
- import
- pipe
- power transmission
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000008676 import Effects 0.000 claims description 29
- 239000000725 suspension Substances 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 210000003746 feather Anatomy 0.000 claims description 7
- 241000935974 Paralichthys dentatus Species 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 8
- 241000242541 Trematoda Species 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000005417 food ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 235000013324 preserved food Nutrition 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of coiled tubing multilateral well repairing work, especially to a branch hole positioning guiding tool which comprises an anchor body and anchor flukes installed on the anchor body. An upper sealing device comprises a central pipe, wherein the lower end of the anchor body is connected to the central pipe, and an upper sealing rubber cylinder sleeves the central pipe. The upper end of the upper sealing rubber cylinder abuts against the end face of the central pipe, a pressure cap is arranged on the lower end of the upper sealing rubber cylinder fixed on the central pipe through a shear pin, and the lower end of the pressure cap is provided with a stopper ring. The branch hole positioning guiding tool can smoothly and rapidly guide a bend pipe, guiding and sealing process can be completed at one time, and operation is simple. The branch hole positioning guiding tool overcomes the defect that hole-finding and guiding for a bend pipe is difficult, labor-consuming, time-consuming and inaccurate in the prior art.
Description
Technical field:
The present invention relates to coiled tubing Multilateral Wells workover treatment technical field, particularly a kind of branch well hole location import tool.
Background technology:
Along with going deep into of oil field development, development new technologies new technology increases fry dried food ingredients for oilfield stable production and waves key effect.Multilateral well is the new technology improving Oil/gas Well output by increasing the drainage area of oil-gas reservoir, is one of the important technical of 21 century drilling applications.Multi-lateral well technology, for oil reservoir development, contributes to formulating rational development plan, with the oil reservoir of lower cost effective exploitation fecund.
Relative to the progressively maturation of branch well drilling completion technique, Multilateral Wells operation technique still stays in the poor efficiency stage of traditional work instrument and traditional handicraft, cannot meet Multilateral Wells fast, the job requirements of efficient, low cost, also cannot meet the job requirements of Multilateral Wells exceptional well body structure.The maximum difficulty of branch well hole well workover is: the importing problem of lower well tool and the protection problem of other branch well hole.
Eye is looked in current Multilateral Wells well workover mainly direct bend pipe; the method arrives Multilateral Wells section by under bend pipe; handling back and forth, rotation pipeline; by fortune, bend pipe is imported branch well hole, the maximum drawback of the method does not have predictable and accuracy, and now the bent angle angle of bend pipe determines that can bend pipe enter branch well hole; bend pipe angle is excessive; lower fashionable more difficult, angle too small is not easy to enter branch well hole, and the method does not do any safeguard measure to other branch well hole in well workover process.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of branch well hole location import tool, and this instrument achieves and can import bend pipe quickly and accurately smoothly, makes importing, sealing schedule once completes, easy and simple to handle.Overcoming existing bend pipe looks for eye to import difficulty, wastes time and energy, the deficiency that accuracy is low.
The technical solution used in the present invention is: a kind of branch well hole location import tool, is made up of anchoring device, upper sealing device, location introducing mechanism and lower sealing device, anchoring device is made up of anchor body and anchor fluke, anchor fluke is arranged on anchor body, upper sealing device comprises central tube, anchor body lower end connects central tube, central tube is set with cartridge, and upper cartridge upper end withstands on central tube end face, and upper cartridge lower end arranges pressure cap, pressure cap is fixed on central tube by shear pin, and pressure cap lower end is provided with baffle ring, location introducing mechanism comprises telescoping tube, central tube lower end connects telescoping tube, telescoping tube lower end is connected with importing bend pipe, suspension body is provided with outside telescoping tube, suspension body inwall is provided with feather key, can move in chute in the chute that feather key extend into telescoping tube outer wall, suspension body sidewall is provided with lock ball, suspension body is by lock ball locking stretching pipe, suspension body lower end connects to window to import to be overlapped, suspension body upper end is provided with outer lug boss, positioning sleeve is set with in the middle part of suspension body, positioning sleeve has the through hole that can hold lock ball, positioning sleeve lower end connects locating ring, fixed cover to be sleeved on outside suspension body and positioning sleeve and to be fixed on outside positioning sleeve by shear pin, import bend pipe and windowing import overlap between be provided with power transmission pipe, importing of windowing is overlapped bottom and is had windowing, power transmission pipe bottom has power transmission pipe windowing, power transmission pipe windowing is corresponding with windowing, lower sealing device comprises wedging ring and central axis, window and import cover lower end connection central axis, power transmission pipe lower end connects wedging ring, central axis is set with lower seal packing element, lower seal packing element upper end is provided with compression cap, wedging ring lower end passes through to trench top on central axis outer wall on compression cap, and lower seal packing element lower end withstands on lower contact upper surface, and lower contact is connected to central axis lower end.
The invention has the beneficial effects as follows: the present invention can import bend pipe smoothly quickly and accurately, make importing, sealing schedule once completes, easy and simple to handle.
Accompanying drawing illustrates:
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to sectional drawing.
Fig. 3 is that the B-B of Fig. 1 is to sectional drawing.
Detailed description of the invention:
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of branch well hole location import tool, is made up of anchoring device 1, upper sealing device 2, location introducing mechanism 3 and lower sealing device 4, anchoring device 1 is made up of anchor body 5 and anchor fluke 6, anchor fluke 6 is arranged on anchor body 5, upper sealing device 2 comprises central tube 7, anchor body 5 lower end connects central tube 7, central tube 7 is set with cartridge 8, upper cartridge 8 upper end withstands on central tube 7 end face, and upper cartridge 8 lower end arranges pressure cap 9, pressure cap 9 is fixed on central tube 7 by shear pin 10, and pressure cap 9 lower end is provided with baffle ring 27, location introducing mechanism 3 comprises telescoping tube 11, central tube 7 lower end connects telescoping tube 11, telescoping tube 11 lower end is connected with and imports bend pipe 18, suspension body 12 is provided with outside telescoping tube 11, suspension body 12 inwall is provided with feather key 26, can move in chute in the chute that feather key 26 extend into telescoping tube 11 outer wall, suspension body 12 sidewall is provided with lock ball 19, suspension body 12 is by lock ball 19 locking stretching pipe 11, suspension body 12 lower end connects importing cover 16 of windowing, suspension body 12 upper end is provided with outer lug boss, positioning sleeve 14 is set with in the middle part of suspension body 12, positioning sleeve 14 has the through hole that can hold lock ball 19, positioning sleeve 14 lower end connects locating ring 20, fixed cover 13 to be sleeved on outside suspension body 12 and positioning sleeve 14 and to be fixed on outside positioning sleeve 14 by shear pin 15, import bend pipe 18 and window to import between cover 16 and be provided with power transmission pipe 17, window import cover 16 bottom have windowing 29, power transmission pipe 17 bottom has power transmission pipe windowing 28, power transmission pipe windowing 28 is corresponding with windowing 29, lower sealing device 4 comprises wedging ring 21 and central axis 25, window and import cover 16 lower end connection central axis 25, power transmission pipe 17 lower end connects wedging ring 21, central axis 25 is set with lower seal packing element 23, lower seal packing element 23 upper end is provided with compression cap 22, wedging ring 21 lower end passes through to trench top on central axis 25 outer wall on compression cap 22, and lower seal packing element 23 lower end withstands on lower contact 24 upper surface, and lower contact 24 is connected to central axis 25 lower end.
When the present invention uses, operate as follows:
1, with special drift size gauge tool drifting to the above position of Multilateral Wells section horn mouth.
2, be connected with anchor body 5 with oil pipe one end, then by ground workover rig by G.I.H of the present invention.
When 3, arriving more than Multilateral Wells section under the present invention, control lowering velocity, when weight indicator suspending weight reduces, stop transferring, checking data, confirm that location introducing mechanism 3 has transferred to Multilateral Wells section horn mouth place, measure out flexible stroke, carry out mark.
4, load 50KN is loaded, now locating ring 20 is placed on Multilateral Wells section horn mouth, no longer descending, and telescoping tube 11 to drive fixed cover 13 to continue descending, now shear pin 15 is cut off, and suspension body 12 moves down, lock ball 19 is released, telescoping tube 11 loses lock ball 19 and locks, and by load ballast glide downwards, when sliding, telescoping tube 11 to coordinate with the chute be located on telescoping tube 11 prevent from importing bend pipe 18 and the windowing 29 importing cover 16 of windowing channels bit by being placed in feather key 26 on suspension body 12.
5, the windowing 29 imported when windowing on cover 16 aligns with branch well hole windowing, when transferring tubing string, import bend pipe 18 and come downwards to the windowing 29 stretching out importing cover 16 of windowing with telescoping tube 11, be imported directly in branch well hole, transfer distance to the flexible stroke of design, fixed cover 13 upper surface acts on pressure cap 9 lower surface, continue to load 50KN, shear pin 10 is cut off, pressure cap 9 compresses upper cartridge 8, upper sealing device 2 sets, meanwhile, telescoping tube 11 lower surface acts on power transmission pipe 17 upper surface, active force is by power transmission pipe 17, wedging ring 21 is applied on compression cap 22 and compresses lower seal packing element 23, lower sealing device 4 sets, complete the lower well construction of branch well hole location import tool.
6, well head and tapping line is installed, coiled tubing and workover tool is entered in well mouth oil pipe, coiled tubing and workover tool are imported in branch well hole to be repaired by oil pipe and branch well hole location import tool, implement corresponding workover treatment, treat that workover treatment terminates to trip out coiled tubing and workover tool.
7, anti-flushing well one week, upper lifting pipe post, upper-lower seal device is deblocking simultaneously, continues upper lifting pipe post, and import bend pipe 18 and be retracted to importing cover 16 inner chamber of windowing, trip out branch well hole location import tool, what complete branch well hole location import tool trips out construction.
Be understandable that, above about specific descriptions of the present invention, the technical scheme described by the embodiment of the present invention is only not limited to for illustration of the present invention, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, to reach identical technique effect; Needs are used, all within protection scope of the present invention as long as meet.
Claims (1)
1. a branch well hole location import tool, is made up of anchoring device (1), upper sealing device (2), location introducing mechanism (3) and lower sealing device (4), it is characterized in that: anchoring device (1) is made up of anchor body (5) and anchor fluke (6), anchor fluke (6) is arranged on anchor body (5), upper sealing device (2) comprises central tube (7), anchor body (5) lower end connects central tube (7), central tube (7) is set with cartridge (8), upper cartridge (8) upper end withstands on central tube (7) end face, upper cartridge (8) lower end arranges pressure cap (9), pressure cap (9) is fixed on central tube (7) by shear pin (10), pressure cap (9) lower end is provided with baffle ring (27), location introducing mechanism (3) comprises telescoping tube (11), central tube (7) lower end connects telescoping tube (11), telescoping tube (11) lower end is connected with and imports bend pipe (18), telescoping tube (11) outside is provided with suspension body (12), suspension body (12) inwall is provided with feather key (26), can move in chute in the chute that feather key (26) extend into telescoping tube (11) outer wall, suspension body (12) sidewall is provided with lock ball (19), suspension body (12) is by lock ball (19) locking stretching pipe (11), suspension body (12) lower end connects to window to import overlaps (16), suspension body (12) upper end is provided with outer lug boss, suspension body (12) middle part is set with positioning sleeve (14), (14) have the through hole that can hold lock ball (19) to positioning sleeve, positioning sleeve (14) lower end connects locating ring (20), fixed cover (13) is sleeved on suspension body (12) and positioning sleeve (14) outside is also fixed on positioning sleeve (14) outside by shear pin (15), import bend pipe (18) and window to import to overlap between (16) and be provided with power transmission pipe (17), importing of windowing is overlapped (16) bottom and is had windowing (29), power transmission pipe (17) bottom has power transmission pipe windowing (28), power transmission pipe windowing (28) is corresponding with windowing (29), lower sealing device (4) comprises wedging ring (21) and central axis (25), window and import cover (16) lower end connection central axis (25), power transmission pipe (17) lower end connects wedging ring (21), central axis (25) is set with lower seal packing element (23), lower seal packing element (23) upper end is provided with compression cap (22), wedging ring (21) lower end passes through to trench top on central axis (25) outer wall on compression cap (22), lower seal packing element (23) lower end withstands on lower contact (24) upper surface, lower contact (24) is connected to central axis (25) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510387372.9A CN105019845B (en) | 2015-07-03 | 2015-07-03 | Branch well hole positions import tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510387372.9A CN105019845B (en) | 2015-07-03 | 2015-07-03 | Branch well hole positions import tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105019845A true CN105019845A (en) | 2015-11-04 |
| CN105019845B CN105019845B (en) | 2017-07-04 |
Family
ID=54410088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510387372.9A Expired - Fee Related CN105019845B (en) | 2015-07-03 | 2015-07-03 | Branch well hole positions import tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN105019845B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025949A (en) * | 2018-08-27 | 2018-12-18 | 中国石油天然气股份有限公司 | A kind of complex structural well wellbore independence acidization tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6076606A (en) * | 1998-09-10 | 2000-06-20 | Weatherford/Lamb, Inc. | Through-tubing retrievable whipstock system |
| CN2782911Y (en) * | 2005-04-27 | 2006-05-24 | 大庆石油管理局 | Wall hook type tail pipe hanging device for lateral well |
| CN1932230A (en) * | 2006-09-13 | 2007-03-21 | 辽河石油勘探局 | Branched well selective guiding in tool |
| CN2916121Y (en) * | 2006-06-08 | 2007-06-27 | 辽河石油勘探局 | Workover guide mechanism for horizontal lateral well |
| CN102418478A (en) * | 2011-12-29 | 2012-04-18 | 中国海洋石油总公司 | Hollow whipstock for windowing and side drilling of branched well |
| CN204827303U (en) * | 2015-07-03 | 2015-12-02 | 辽河石油勘探局 | Leading -in instrument in multilateral well hole location |
-
2015
- 2015-07-03 CN CN201510387372.9A patent/CN105019845B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6076606A (en) * | 1998-09-10 | 2000-06-20 | Weatherford/Lamb, Inc. | Through-tubing retrievable whipstock system |
| CN2782911Y (en) * | 2005-04-27 | 2006-05-24 | 大庆石油管理局 | Wall hook type tail pipe hanging device for lateral well |
| CN2916121Y (en) * | 2006-06-08 | 2007-06-27 | 辽河石油勘探局 | Workover guide mechanism for horizontal lateral well |
| CN1932230A (en) * | 2006-09-13 | 2007-03-21 | 辽河石油勘探局 | Branched well selective guiding in tool |
| CN102418478A (en) * | 2011-12-29 | 2012-04-18 | 中国海洋石油总公司 | Hollow whipstock for windowing and side drilling of branched well |
| CN204827303U (en) * | 2015-07-03 | 2015-12-02 | 辽河石油勘探局 | Leading -in instrument in multilateral well hole location |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025949A (en) * | 2018-08-27 | 2018-12-18 | 中国石油天然气股份有限公司 | A kind of complex structural well wellbore independence acidization tool |
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| Publication number | Publication date |
|---|---|
| CN105019845B (en) | 2017-07-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 124010 No. 98, oil street, Xinglongtai District, Liaoning, Panjin Patentee after: LIAOHE PETROLEUM EXPLORATION BUREAU Co.,Ltd. Address before: 124010 No. 98, oil street, Xinglongtai District, Liaoning, Panjin Patentee before: Liaohe Petroleum Exploration Bureau |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201124 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: LIAOHE PETROLEUM EXPLORATION BUREAU Co.,Ltd. Address before: 124010 No. 98, oil street, Xinglongtai District, Liaoning, Panjin Patentee before: LIAOHE PETROLEUM EXPLORATION BUREAU Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 |