CN101979818B - Hydraulic reshaper - Google Patents
Hydraulic reshaper Download PDFInfo
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- CN101979818B CN101979818B CN 201010522809 CN201010522809A CN101979818B CN 101979818 B CN101979818 B CN 101979818B CN 201010522809 CN201010522809 CN 201010522809 CN 201010522809 A CN201010522809 A CN 201010522809A CN 101979818 B CN101979818 B CN 101979818B
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Abstract
The invention provides a hydraulic reshaper, which relates to a reshaper. The hydraulic reshaper solves the problem that the conventional mechanical reshaping tools apply limited bit pressure and greater acting force and shock force and cannot guarantee the safety of coiled tubing. In the hydraulic reshaper, the lower part of a central piston is positioned on the upper part in a lower cylinder; a second spring is sleeved on the central part of the central piston and is positioned between an upper cylinder and the central piston; the lower end of the lower cylinder is fixedly connected with the upper end of a central sleeve by a pup joint; the upper part of a lower piston is positioned on the lower part in the lower cylinder; the lower part of the lower piston is positioned on the upper part in the central sleeve; the lower end of the central sleeve is fixedly connected with the upper end of the lower sleeve; an upper mandrel is positioned in the central sleeve; a lower mandrel is positioned in a lower sleeve; the lower end of the upper mandrel is fixedly connected with the upper end of the lower mandrel; a plurality of through holes are correspondingly formed on the central sleeve and the lower sleeve; and a steel ball is arranged in each through hole. Compared with conventional reshaping tools, the hydraulic reshaper has the characteristics of high reshaping efficiency and a small amount of damage to a casing and is easy to operate.
Description
Technical field
The present invention relates to a kind of reshaper, be specifically related to a kind of hydraulic reshaper for the coiled tubing shaping.
Background technology
At present, when utilizing coiled tubing to carry out shaping, because coiled tubing can not rotate, the problem that adopts existing mechanical shaping instrument to exist is as follows: one, the mechanical shaping instrument rotation of need to pressurizeing, and coiled tubing can not rotate, the pressure of the drill that the mechanical shaping instrument applies is limited, can't satisfy technological requirement; Two, the mechanical shaping instrument produces larger moment of torsion, and the power less of power motor does not satisfy the shaping requirement, and is therefore, optional without well dynamic equipment; Three, active force and jarring force are larger, can't guarantee the safety of coiled tubing.
Summary of the invention
The objective of the invention is to exist the limited and active force of the pressure of the drill that applies and jarring force larger for solving existing mechanical shaping instrument, the problem that can't guarantee the safety of coiled tubing, and then a kind of hydraulic reshaper is provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be: hydraulic reshaper of the present invention comprises top connection, upper bush, upper piston, the first spring, upper cylinder body, the second spring, the middle part piston, lower cylinder body, lower piston, short circuit, intermediate sleeve, a plurality of steel balls, upper mandrel, lower mandrel and lower sleeve, be processed with ladder hole on the described upper cylinder body, the lower end of described top connection and the upper end of upper bush are affixed, the lower end of described upper bush and the upper end of upper cylinder body are affixed, the top of described upper piston is positioned at upper bush, the bottom of described upper piston is positioned at the top of upper cylinder body, described the first spring housing is contained in the top of upper piston, and between upper bush and upper piston, the lower end of described upper cylinder body and the upper end of lower cylinder body are affixed, the top of described middle part piston is positioned at the bottom of upper cylinder body, the bottom of described middle part piston is positioned at the top of lower cylinder body, described the second spring housing is contained in the middle part of middle part piston, and between upper cylinder body and middle part piston; The lower end of described lower cylinder body is affixed by the upper end of short circuit and intermediate sleeve, the top of described lower piston is positioned at the bottom of lower cylinder body, the bottom of described lower piston is positioned at the top of intermediate sleeve, the lower end of described intermediate sleeve and the upper end of lower sleeve are affixed, described upper mandrel is positioned at intermediate sleeve, described lower mandrel is positioned at lower sleeve, and the upper end of the lower end of upper mandrel and lower mandrel is affixed, correspondence is processed with a plurality of through holes on described intermediate sleeve and the lower sleeve, be provided with a steel ball in each through hole, be processed with along its length a plurality of grooves on the external surface of described upper mandrel and lower mandrel.
The invention has the beneficial effects as follows: hydraulic reshaper of the present invention has substituted existing mechanical shaping instrument, does not need to rotate tubing string, only both can shaping by hydraulic way, can realize resetting to overlapping the damage omnibearing shaping in position; Hydraulic reshaper of the present invention compare with conventional shaping tool have shaping efficient high, to the damage of sleeve pipe characteristics little, steady, reliable, safe, simple to operate.
Description of drawings
Fig. 1 is that the master of hydraulic reshaper upper semisection of the present invention looks sectional view, and Fig. 2 is that the master of hydraulic reshaper lower semisection of the present invention looks sectional view.
The specific embodiment
The specific embodiment one: shown in Fig. 1～2, the hydraulic reshaper of present embodiment comprises top connection 1, upper bush 3, upper piston 5, the first spring 6, upper cylinder body 8, the second spring 11, middle part piston 12, lower cylinder body 14, lower piston 15, short circuit 16, intermediate sleeve 17, a plurality of steel balls 18, upper mandrel 19, lower mandrel 20 and lower sleeve 21, be processed with ladder hole 8-1 on the described upper cylinder body 8, the upper end of the lower end of described top connection 1 and upper bush 3 is affixed, the upper end of the lower end of described upper bush 3 and upper cylinder body 8 is affixed, the top of described upper piston 5 is positioned at upper bush 3, the bottom of described upper piston 5 is positioned at the top of upper cylinder body 8, described the first spring 6 is sleeved on the top of upper piston 5, and between upper bush 3 and upper piston 5, the upper end of the lower end of described upper cylinder body 8 and lower cylinder body 14 is affixed, the top of described middle part piston 12 is positioned at the bottom of upper cylinder body 8, the bottom of described middle part piston 12 is positioned at the top of lower cylinder body 14, described the second spring 11 is sleeved on the middle part of middle part piston 12, and between upper cylinder body 8 and middle part piston 12; The lower end of described lower cylinder body 14 is affixed with the upper end of intermediate sleeve 17 by short circuit 16, the top of described lower piston 15 is positioned at the bottom of lower cylinder body 14, the bottom of described lower piston 15 is positioned at the top of intermediate sleeve 17, the upper end of the lower end of described intermediate sleeve 17 and lower sleeve 21 is affixed, described upper mandrel 19 is positioned at intermediate sleeve 17, described lower mandrel 20 is positioned at lower sleeve 21, and the upper end of the lower end of upper mandrel 19 and lower mandrel 20 is affixed, correspondence is processed with a plurality of through holes 22 on described intermediate sleeve 17 and the lower sleeve 21, described through hole 22 is outer little interior large, be provided with a steel ball 18 in each through hole 22, be provided with a steel ball 18 in each through hole 22 of the external surface of described upper mandrel 19 and lower mandrel 20, be processed with along its length a plurality of grooves on the external surface of described upper mandrel 19 and lower mandrel 20.
The specific embodiment two: as shown in Figure 1, the described reshaper of present embodiment also comprises packing ring 2, and described packing ring 2 pads are on the bottom face of top connection 1.So sealing function is played in design.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: as shown in Figure 1, the described reshaper of present embodiment also comprises soket head cap screw 9 and seal gasket 10, and described seal gasket 10 is sleeved on the soket head cap screw 9, and described soket head cap screw 9 is packed in the ladder hole 8-1.So design, soket head cap screw 9 can hydraulic oil plays the effect that passage is provided in the hydraulic cylinder for maintenance is changed, and seal gasket 10 is sleeved on the soket head cap screw 9 and plays sealing function.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: as shown in Figure 1, the described reshaper of present embodiment also comprises an O RunddichtringO 4, and a described O RunddichtringO 4 is sleeved on the upper end of upper piston 5, and between upper bush 3 and upper piston 5.So sealing function is played in design.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment five: as shown in Figure 1, the described reshaper of present embodiment also comprises the 2nd O RunddichtringO 7, and described the 2nd O RunddichtringO 7 is sleeved on the lower end of upper piston 5, and between upper piston 5 and upper cylinder body 8.So sealing function is played in design.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment six: as shown in Figure 1, the described reshaper of present embodiment also comprises the 3rd O RunddichtringO 13, and described the 3rd O RunddichtringO 13 is between middle part piston 12 and lower cylinder body 14.So sealing function is played in design.Other composition and annexation are identical with the specific embodiment one.
Embodiment: hydraulic reshaper of the present invention confirms through the field trial of more than 10 mouthfuls of wells such as flat 61 wells of state 57-, flat 293 wells of southern 247-, flat 327 wells of southern 212-, when cooperating coiled tubing to carry out hydraulic shaping, construction is simple, reliable, shaping efficient is high, and little to the damage of sleeve pipe, success rate reaches 100%, is a kind of desirable hydraulic shaping instrument.
Operating principle:
Hydraulic reshaper is connected to coiled tubing hydraulic shaping tubing string bottom, hydraulic reshaper is lowered into the down-hole wants the cover of shaping to decrease the position; Then suppress 15～20MPa in tubing string, then liquid increases to 30～40MPa to pressure through passing through successively the parts of hydraulic reshaper from top to bottom; Under higher hydraulic action, then lower piston 15 promotes upper mandrel 19 and lower mandrel 20 outside extruding steel balls 18, and steel ball 18 produces larger hole enlargement shaping power, forces cover to become the position and resets gradually; Then, movable tubing string is changed the orientation, and the finishing cover decreases the position repeatedly, until hydraulic reshaper decreases the position by cover, shaping is complete.
Claims (6)
1. hydraulic reshaper, described reshaper comprises top connection (1), upper bush (3), upper piston (5), the first spring (6), upper cylinder body (8), the second spring (11), middle part piston (12), lower cylinder body (14), lower piston (15), short circuit (16), intermediate sleeve (17), a plurality of steel balls (18), upper mandrel (19), lower mandrel (20) and lower sleeve (21), be processed with ladder hole (8-1) on the described upper cylinder body (8), it is characterized in that: the upper end of the lower end of described top connection (1) and upper bush (3) is affixed, the upper end of the lower end of described upper bush (3) and upper cylinder body (8) is affixed, the top of described upper piston (5) is positioned at upper bush (3), the bottom of described upper piston (5) is positioned at the top of upper cylinder body (8), described the first spring (6) is sleeved on the top of upper piston (5), and be positioned between upper bush (3) and the upper piston (5), the upper end of the lower end of described upper cylinder body (8) and lower cylinder body (14) is affixed, the top of described middle part piston (12) is positioned at the bottom of upper cylinder body (8), the bottom of described middle part piston (12) is positioned at the top of lower cylinder body (14), described the second spring (11) is sleeved on the middle part of middle part piston (12), and is positioned between upper cylinder body (8) and the middle part piston (12); The lower end of described lower cylinder body (14) is affixed with the upper end of intermediate sleeve (17) by short circuit (16), the top of described lower piston (15) is positioned at the bottom of lower cylinder body (14), the bottom of described lower piston (15) is positioned at the top of intermediate sleeve (17), the upper end of the lower end of described intermediate sleeve (17) and lower sleeve (21) is affixed, described upper mandrel (19) is positioned at intermediate sleeve (17), described lower mandrel (20) is positioned at lower sleeve (21), and the upper end of the lower end of upper mandrel (19) and lower mandrel (20) is affixed, the upper correspondence of described intermediate sleeve (17) and lower sleeve (21) is processed with a plurality of through holes (22), be provided with a steel ball (18) in each through hole (22), be provided with a steel ball (18) in each through hole of external surface (22) of described upper mandrel (19) and lower mandrel (20), be processed with along its length a plurality of grooves on the external surface of described upper mandrel (19) and lower mandrel (20).
2. hydraulic reshaper according to claim 1, it is characterized in that: described reshaper also comprises packing ring (2), described packing ring (2) fills up on the bottom face of top connection (1).
3. hydraulic reshaper according to claim 1, it is characterized in that: described reshaper also comprises soket head cap screw (9) and seal gasket (10), described seal gasket (10) is sleeved on the soket head cap screw (9), and described soket head cap screw (9) is packed in the ladder hole (8-1).
4. hydraulic reshaper according to claim 1, it is characterized in that: described reshaper also comprises an O RunddichtringO (4), a described O RunddichtringO (4) is sleeved on the upper end of upper piston (5), and is positioned between upper bush (3) and the upper piston (5).
5. hydraulic reshaper according to claim 1, it is characterized in that: described reshaper also comprises the 2nd O RunddichtringO (7), described the 2nd O RunddichtringO (7) is sleeved on the lower end of upper piston (5), and is positioned between upper piston (5) and the upper cylinder body (8).
6. hydraulic reshaper according to claim 1, it is characterized in that: described reshaper also comprises the 3rd O RunddichtringO (13), described the 3rd O RunddichtringO (13) is positioned between middle part piston (12) and the lower cylinder body (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010522809 CN101979818B (en) | 2010-10-28 | 2010-10-28 | Hydraulic reshaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010522809 CN101979818B (en) | 2010-10-28 | 2010-10-28 | Hydraulic reshaper |
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| Publication Number | Publication Date |
|---|---|
| CN101979818A CN101979818A (en) | 2011-02-23 |
| CN101979818B true CN101979818B (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010522809 Active CN101979818B (en) | 2010-10-28 | 2010-10-28 | Hydraulic reshaper |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593794B (en) * | 2019-10-19 | 2024-04-09 | 海塔石油科技有限公司 | Anchor type hydraulic sleeve shaping tool |
| CN112727394B (en) * | 2019-10-28 | 2023-01-13 | 中国石油化工股份有限公司 | Coiled tubing hydraulic workover string and method |
| CN110863789A (en) * | 2019-12-10 | 2020-03-06 | 贵州高峰石油机械股份有限公司 | Hydraulic shaping device and shaping method |
| CN112377135A (en) * | 2020-11-12 | 2021-02-19 | 中国石油大学(华东) | Hydraulic reducing ball shaper for oil well casing |
| CN116771298B (en) * | 2023-08-17 | 2023-10-24 | 西南石油大学 | Hydraulic control synchronous telescopic torque-variable type oil-gas well casing shaping tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385076Y (en) * | 1999-07-23 | 2000-06-28 | 大庆石油管理局第四采油厂 | Casing damaged well shaping diameter-expanding cable tool impacter |
| RU2225498C2 (en) * | 2002-06-05 | 2004-03-10 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Device for pipe expansion in the well |
| CN1514905A (en) * | 2001-06-05 | 2004-07-21 | ���ʿ����о�����˾ | In-situ casting of well equipment |
| CN2639514Y (en) * | 2003-07-24 | 2004-09-08 | 程显强 | Casing shaper |
| CN2667146Y (en) * | 2003-11-17 | 2004-12-29 | 辽河石油勘探局 | Continuous casing expander for oil well reconditioning service |
| CN2668833Y (en) * | 2003-12-31 | 2005-01-05 | 孙世森 | Rolling-ball shaper |
| RU2392415C1 (en) * | 2009-04-23 | 2010-06-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Pipe flaring device |
| CN201818267U (en) * | 2010-10-28 | 2011-05-04 | 大庆油田有限责任公司 | Hydraulic shaper |
-
2010
- 2010-10-28 CN CN 201010522809 patent/CN101979818B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385076Y (en) * | 1999-07-23 | 2000-06-28 | 大庆石油管理局第四采油厂 | Casing damaged well shaping diameter-expanding cable tool impacter |
| CN1514905A (en) * | 2001-06-05 | 2004-07-21 | ���ʿ����о�����˾ | In-situ casting of well equipment |
| RU2225498C2 (en) * | 2002-06-05 | 2004-03-10 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Device for pipe expansion in the well |
| CN2639514Y (en) * | 2003-07-24 | 2004-09-08 | 程显强 | Casing shaper |
| CN2667146Y (en) * | 2003-11-17 | 2004-12-29 | 辽河石油勘探局 | Continuous casing expander for oil well reconditioning service |
| CN2668833Y (en) * | 2003-12-31 | 2005-01-05 | 孙世森 | Rolling-ball shaper |
| RU2392415C1 (en) * | 2009-04-23 | 2010-06-20 | Открытое акционерное общество "Татнефть" им. В.Д. Шашина | Pipe flaring device |
| CN201818267U (en) * | 2010-10-28 | 2011-05-04 | 大庆油田有限责任公司 | Hydraulic shaper |
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| Publication number | Publication date |
|---|---|
| CN101979818A (en) | 2011-02-23 |
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Effective date of registration: 20211228 Address after: 163453 Heilongjiang Province, Daqing City Ranghulu District Longnan Victory Road No. 1 Patentee after: Daqing Oilfield Co.,Ltd. Patentee after: PetroChina Co Ltd Address before: 163513 Heilongjiang Province, Daqing City Ranghulu District Longnan Victory Road No. 1 Patentee before: Daqing Oilfield Co.,Ltd. |
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