CN102374360A - Hydraulic drive telescopic downhole tool running device of horizontal well - Google Patents

Hydraulic drive telescopic downhole tool running device of horizontal well Download PDF

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Publication number
CN102374360A
CN102374360A CN2011103857408A CN201110385740A CN102374360A CN 102374360 A CN102374360 A CN 102374360A CN 2011103857408 A CN2011103857408 A CN 2011103857408A CN 201110385740 A CN201110385740 A CN 201110385740A CN 102374360 A CN102374360 A CN 102374360A
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righting
locking
arm
cylinder
hinge
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CN2011103857408A
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CN102374360B (en
Inventor
叶哲伟
梁政
李现东
文涛
蒋发光
张梁
田家林
赵广慧
邓雄
肖仕红
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Southwest Petroleum University
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Southwest Petroleum University
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Abstract

The invention relates to a hydraulic drive telescopic downhole tool running device of a horizontal well, which is used for running in a pipeline in the horizontal well in well drilling of oil and gas fields. The invention solves the problem of downhole tool running in the horizontal well. The technical scheme of the invention is as follows: a cable is connected with a hydraulic power station through a cable connector, and the other end of the cable is connected with a motor; the hydraulic power station is connected with a rear centering mechanism, one end of a centering arm a is fixed on a running device, the other end of the centering arm a is articulated with a centering wheel a and a centering wheel b, and the other side of the centering arm b is connected with a sliding block a; the rear centering mechanism is connected with a shell of a rear locking mechanism; a locking arm a is articulated with a locking slip a and a locking arm b; the rear locking mechanism consists of a locking slip and a locking arm and is connected with a telescopic mechanism; and the front locking mechanism and the rear locking mechanism have same structure, and the front centering mechanism and the rear centering mechanism have same structure. The hydraulic drive telescopic downhole tool running device disclosed by the invention has simple mechanical system mechanism, reliable hydraulic system, high efficiency and large drive force, can realize bidirectional climbing and can reversely run for jam releasing when meeting a jam downhole.

Description

A kind of hydraulically driven retractable horizontal well downhole tool feeder
Technical field
The present invention relates in a kind of pipeline that is used for the oilfield drilling horizontal well operation and the downhole tool instrument is sent into the hydraulically driven retractable horizontal well down-hole feeder in the horizontal segment.
Technical background
In recent years, owing to adopt the unique superior property of horizontal well development oil-gas reservoir, it is more and more widely used.But in the exploitation of horizontal well; There have many problems to have to be to be solved; The horizontal segment of wherein horizontal well underground work instrument being sent into horizontal well is a typical problem, can utilize in the conventional well under the instrument self gravitation like the shaft bottom, in horizontal well only by external force.
By external force downhole tool is moved in horizontal segment, must design a kind of special device that can in the horizontal well pipeline, creep.Because the horizontal well down-hole has up to the pressure of tens MPas or up to 120 0Extreme conditions such as C temperature, general drive unit is difficult to reliably working under such rugged environment.
The pipe crawling device that is used for ground at present is of a great variety, also is useful on the special-purpose crawl device of horizontal well operation, adopts electric driving mode operation more.No matter be used for the pipe crawling device on ground or all there is certain defective in the special-purpose crawl device of horizontal well operation; Mainly show: the pipe crawling device that is used for ground; Radial dimension is all bigger, can not under rugged environment such as oil, water and HTHP, work; Adopt electricity to drive the special-purpose crawl device in down-hole, mainly contain following defective: electricity drives the special-purpose crawl device in down-hole because radial dimension is restricted, and mechanical transmission structure is complicated; Lean on the positive pressure between crawling wheel and the inner tube wall to produce corresponding driving power, run into the inner-walls of duct greasy dirt and be prone to more for a long time skid; Hauling speed and tractive force are restricted.
Summary of the invention
The objective of the invention is: in order to solve the send into problem of horizontal well downhole tool at horizontal segment; Satisfy down-hole instrument under the heavy load situation send into or little load under the problem of sending into fast of down-hole instrument, the spy provides a kind of hydraulically driven retractable horizontal well downhole tool feeder.
In order to achieve the above object; The present invention adopts following technological scheme: a kind of hydraulically driven retractable horizontal well downhole tool feeder, and it comprises cable joining, hydraulic power station, back righting mechanism, back locking framework, extending means, preceding locking framework, preceding righting mechanism and hydraulic system; Cable is connected with hydraulic power station through cable joining, is connected with motor by the cable of cable joining good seal, and cable includes power transmission cable and signal-transmitting cable; Use the standard screwed connection between the frame of hydraulic power station and back righting mechanism; Righting arm a one end fixes on the feeder housing with hinges fixing; The other end is connected with compound hinge with righting wheel a and righting arm b; The opposite side of righting arm b is connected with hinge with slide block a, and righting arm a, righting arm b all can be around hinge through separately; Back righting mechanism is made up of three righting wheel a, three righting arm a, three righting arm b, and three righting wheel a are uniformly distributed with 120 at circumferencial direction 0Layout; During installation; Spring a in the back righting mechanism is in compressive state; The shell of back righting mechanism use the standard screwed connection with the shell of back locking framework, and lock arm a is connected with the hinge form with cylinder barrel a, and lock arm a is connected with compound hinge with locking between slips a and the lock arm b; The other end of lock arm b is connected with the hinge form with the end of piston rod a; The end of piston rod a is equipped with spring b; During installation; Spring b is in compressive state, and back locking framework is made up of three locking slips a, three lock arm a, three lock arm b, and three locking slips a are uniformly distributed with 120 at circumferencial direction 0Layout; Locking slips a is hidden in the groove of cylinder barrel a when regaining; Between back locking framework frame and the extending means frame with the standard screwed connection; Extending means is made up of cylinder barrel b, piston rod assembly; The turnover oil pipe of telescopic cylinder all is hidden in the groove of cylinder barrel b outer surface, and the end of the end of piston rod assembly and cylinder barrel c is with the standard screwed connection; Before lock arm c in the locking framework be connected with the hinge form with the end of piston rod b, lock arm c is connected with compound hinge with locking between slips b and the lock arm d; The other end of lock arm d is connected with the hinge form with cylinder barrel c; The end of piston rod b is equipped with spring c, and during installation, spring c is in compressive state; Preceding locking framework is made up of three locking slips b, three lock arm c, three lock arm d, and three locking slips b are uniformly distributed with 120 at circumferencial direction 0Layout; Locking slips b is hidden in the groove of cylinder barrel c when regaining; The frame of preceding locking framework frame and preceding righting mechanism is with the standard screwed connection; Righting arm c one end of preceding righting mechanism fixes on the slide block b with hinges fixing; The other end is connected with compound hinge with righting wheel b and righting arm d; The opposite side of righting arm d is connected with hinge with the frame of tool interface, and righting arm c, righting arm d all can be around hinge through separately; Preceding righting mechanism is made up of three righting wheel b, three righting arm c, three righting arm d, and three righting wheel b are uniformly distributed with 120 at circumferencial direction 0Layout; During installation, the spring d in the preceding righting mechanism is in compressive state; Righting wheel a all contacts with the borehole wall with righting wheel b; Cable joining is connected with hydraulic system.
Be provided with hydraulic system in the hydraulically driven retractable horizontal well downhole tool feeder, it comprises sealed reservoir, relief valve, motor, oil hydraulic pump, sequence valve, solenoid directional control valve, pressure switch, preceding locking cylinder, telescopic cylinder, back locking cylinder; The cross section of sealed reservoir is cylindrical, and the end of sealed reservoir has tubing interface; Oil hydraulic pump adopts miniature quantitative hydraulic pump; Motor adopts high pressure variable-speed direct current generator, and oil hydraulic pump is connected through miniature bellows coupling with motor, and the hydraulic pressure delivery side of pump is connected with the relief valve inlet with sequence valve respectively; The outlet of sequence valve communicates with the filler opening of pressure switch and solenoid directional control valve b; Solenoid directional control valve b is the two-position three way solenoid directional control valve, and the outlet of solenoid directional control valve b communicates with the rodless cavity of telescopic cylinder, and the telescopic cylinder rod chamber communicates with the sequence valve outlet; The hydraulic pressure delivery side of pump has an oily circulation flow path to communicate with the inlet of solenoid directional control valve a in addition; Solenoid directional control valve a is the 3-position 4-way solenoid directional control valve of Y type meta function; Solenoid directional control valve a exports two chambeies and is connected with the rodless cavity of preceding locking cylinder with back locking cylinder respectively; Preceding locking cylinder is the single-acting hydraulic jack with back locking cylinder, and preceding locking cylinder and back locking cylinder all adopt cases of otherwise standard design.
The present invention compared with prior art, its beneficial effect is: the good stability of (1) righting mechanism, avoided rolling of device; (2) hydraulic system adopts the micro hydraulic element, and metering pump and HVDC adjustable speed motor are realized Flow-rate adjustment, and hydraulic system is reliable, and system effectiveness is high; (3) hydraulic driving mode, mechanical system structure is simple; (4) adopt locking slips lock collar inwall, the possibility of skidding greatly reduces, and driving force is big; The double protection functions that has motor overload protection and relief valve overload protection when (5) overload occurring; (6) this device can be realized bidirectional creeping, but particularly meets inverted running unfreezing when blocking in the down-hole.
Description of drawings
Fig. 1 is the structural representation of a kind of hydraulically driven retractable horizontal well of the present invention downhole tool feeder;
Fig. 2 is the hydraulic scheme of this hydraulically driven retractable horizontal well downhole tool feeder.
Among the figure: 1. cable joining, 2. hydraulic power station, 3. righting arm a, 4. righting wheel a, 5. righting arm b, 6. slide block a, 7. spring a, 8. cylinder barrel a; 9. lock arm a 10. locks slips a, 11. lock arm b, 12. spring b, 13. piston rod a, 14. cylinder barrel b, 15. piston rod assemblies, 16. cylinder barrel c; 17. piston rod b, 18. lock arm c, 19. locking slips b, 20. lock arm d, 21. spring c, 22. spring d, 23. slide block b, 24. righting arm c; 25. righting wheel b, 26. righting arm d, 27. tool interfaces, 28. boreholes wall, 29. preceding righting mechanisms, 30. preceding locking frameworks, 31. extending meanss; 32. back locking framework, 33. back righting mechanisms, 34. cables, 35. sealed reservoirs, 36. relief valves, 37. motors, 38. oil hydraulic pumps; 39. sequence valve, 40. solenoid directional control valve a, 41. pressure switches, 42. preceding locking cylinders, 43. solenoid directional control valve b, 44. telescopic cylinders, 45. back locking cylinders.
Embodiment
As shown in Figure 1; Hydraulically driven retractable horizontal well downhole tool feeder of the present invention; It comprises cable joining 1, hydraulic power station 2, back righting mechanism 33, back locking framework 32, extending means 31, preceding locking framework 30, preceding righting mechanism 29 and hydraulic system; Cable 34 is connected with hydraulic power station 2 usefulness through cable joining 1, is connected with motor 37 by the cable 34 of cable joining 1 good seal, and cable 34 includes power transmission cable and signal-transmitting cable , For motor provides power electricity and control signal; Use the standard screwed connection between the frame of hydraulic power station 2 and back righting mechanism 33; Righting arm a3 one end fixes on the feeder housing with hinges fixing; The other end is connected with compound hinge with righting wheel a4 and righting arm b5; The opposite side of righting arm b5 is connected with hinge with slide block a6, and righting arm a3, righting arm b5 all can be around hinge through separately; Back righting mechanism 33 is made up of three righting wheel a4, three righting arm a3, three righting arm b5, and three righting wheel a4 are uniformly distributed with 120 at circumferencial direction 0Layout; During installation; Spring a7 in the back righting mechanism 33 is in compressive state; The shell of back righting mechanism 33 use the standard screwed connection with the shell of back locking framework 32, and lock arm a9 is connected with the hinge form with cylinder barrel a8, and lock arm a9 is connected with compound hinge with locking between slips a10 and the lock arm b11; The other end of lock arm b11 is connected with the hinge form with the end of piston rod a13; The end of piston rod a13 is equipped with spring b12; During installation; Spring b12 is in compressive state, and back locking framework 32 is made up of three locking slips a10, three lock arm a9, three lock arm b11, and three locking slips a10 are uniformly distributed with 120 at circumferencial direction 0Layout; Locking slips a10 is hidden in the groove of cylinder barrel a8 when regaining; Between back locking framework 32 framies and extending means 31 framies with the standard screwed connection; Extending means 31 is made up of cylinder barrel b14, piston rod assembly 15; All being hidden in the groove of cylinder barrel b14 outer surface of telescopic cylinder 44 into and out of oil pipe, the end of the end of piston rod assembly 15 and cylinder barrel c16 is with the standard screwed connection; Before lock arm c18 in the locking framework 30 be connected with the hinge form with the end of piston rod b17, lock arm c18 is connected with compound hinge with locking between slips b19 and the lock arm d20; The other end of lock arm d20 is connected with the hinge form with cylinder barrel c16; The end of piston rod b17 is equipped with spring c21; During installation; Spring c21 is in compressive state, and preceding locking framework 30 is made up of three locking slips b19, three lock arm c18, three lock arm d20, and three locking slips b19 are uniformly distributed with 120 at circumferencial direction 0Layout; Locking slips b19 is hidden in the groove of cylinder barrel c16 when regaining; The frame of preceding locking framework 30 framies and preceding righting mechanism 29 is with the standard screwed connection; Righting arm c24 one end of preceding righting mechanism 29 fixes on the slide block b23 with hinges fixing; The other end is connected with compound hinge with righting wheel b25 and righting arm d26; The opposite side of righting arm d26 is connected with hinge with the frame of tool interface 27, and righting arm c24, righting arm d26 all can be around hinge through separately; Preceding righting mechanism 29 is made up of three righting wheel b25, three righting arm c24, three righting arm d26, and three righting wheel b25 are uniformly distributed with 120 at circumferencial direction 0Layout; During installation, the spring d22 in the preceding righting mechanism 29 is in compressive state; Righting wheel a4 all contacts with the borehole wall 28 with righting wheel b25; Cable joining 1 is connected with hydraulic system.
Like Fig. 2; Be the hydraulic system principle figure of hydraulically driven retractable horizontal well downhole tool feeder, it comprises sealed reservoir 35, relief valve 36, motor 37, oil hydraulic pump 38, sequence valve 39, solenoid directional control valve 40, pressure switch 41, preceding locking cylinder 42, telescopic cylinder 44, back locking cylinder 45; The cross section of sealed reservoir 35 is cylindrical; The end of sealed reservoir 35 has tubing interface, and oil hydraulic pump 38 adopts miniature quantitative hydraulic pump, and motor 37 adopts high pressure variable-speed direct current generator; Oil hydraulic pump 38 is connected through miniature bellows coupling with motor 37; The outlet of oil hydraulic pump 38 is connected with relief valve 36 inlets with sequence valve 39 respectively, and the outlet of sequence valve 39 communicates with the filler opening of pressure switch 41 and solenoid directional control valve 43, and solenoid directional control valve 43 is the two-position three way solenoid directional control valve; The outlet of solenoid directional control valve 43 communicates with the rodless cavity of telescopic cylinder 44, and telescopic cylinder 44 rod chambers communicate with sequence valve 39 outlets; The outlet of oil hydraulic pump 38 has an oily circulation flow path to communicate with the inlet of solenoid directional control valve 40 in addition; This valve is the 3-position 4-way solenoid directional control valve of Y type meta function; Solenoid directional control valve 40 outlets two chambeies are connected with the rodless cavity of preceding locking cylinder 42 with back locking cylinder 45 respectively; Before locking cylinder 42, back locking cylinder 45 be the single-acting hydraulic jack, preceding locking cylinder 42, back locking cylinder 45 all adopt cases of otherwise standard design.

Claims (2)

1. hydraulically driven retractable horizontal well downhole tool feeder; It comprises cable joining, hydraulic power station, back righting mechanism, back locking framework, extending means, preceding locking framework, preceding righting mechanism; Hydraulic system; It is characterized in that: cable (34) is connected with hydraulic power station (2) through cable joining (1), is connected with motor (37) by the cable (34) of cable joining (1) good seal, and cable (34) includes power transmission cable and signal-transmitting cable; Use the standard screwed connection between the frame of hydraulic power station (2) and back righting mechanism (33); Righting arm a (3) one ends fix on the feeder housing with hinges fixing; The other end is connected with compound hinge with righting wheel a (4) and righting arm b (5); The opposite side of righting arm b (5) is connected with hinge with slide block a (6), and righting arm a (3), righting arm b (5) all can be around hinge through separately; Back righting mechanism (33) is made up of three righting wheel a (4), three righting arm a (3), three righting arm b (5), and three righting wheel a (4) are uniformly distributed with 120 at circumferencial direction 0Layout; During installation; Spring a (7) in the back righting mechanism (33) is in compressive state; The shell of back righting mechanism (33) is used the standard screwed connection with the shell of back locking framework (32); Lock arm a (9) is connected with the hinge form with cylinder barrel a (8), is connected with compound hinge between lock arm a (9) and locking slips a (10) and the lock arm b (11); The other end of lock arm b (11) is connected with the hinge form with the end of piston rod a (13); The end of piston rod a (13) is equipped with spring b (12); During installation; Spring b (12) is in compressive state, and back locking framework (32) is made up of three locking slips a (10), three lock arm a (9), three lock arm b (11), and three locking slips a (10) are uniformly distributed with 120 at circumferencial direction 0Layout; Locking slips a (10) is hidden in the groove of cylinder barrel a (8) when regaining; Between back locking framework (32) frame and extending means (31) frame with the standard screwed connection; Extending means (31) is made up of cylinder barrel b (14), piston rod assembly (15); The turnover oil pipe of telescopic cylinder (44) all is hidden in the groove of cylinder barrel b (14) outer surface, and the end of the end of piston rod assembly (15) and cylinder barrel c (16) is with the standard screwed connection; Before lock arm c (18) in the locking framework (30) be connected with the hinge form with the end of piston rod b (17), lock arm c (18) is connected with compound hinge with locking between slips b (19) and the lock arm d (20); The other end of lock arm d (20) is connected with the hinge form with cylinder barrel c (16); The end of piston rod b (17) is equipped with spring c (21); During installation; Spring c (21) is in compressive state, and preceding locking framework (30) is made up of three locking slips b (19), three lock arm c (18), three lock arm d (20), and three locking slips b (19) are uniformly distributed with 120 at circumferencial direction 0Layout; Locking slips b (19) is hidden in the groove of cylinder barrel c (16) when regaining; The frame of preceding locking framework (30) frame and preceding righting mechanism (29) is with the standard screwed connection; Righting arm c (24) one ends of preceding righting mechanism (29) fix on the slide block b (23) with hinges fixing; The other end is connected with compound hinge with righting wheel b (25) and righting arm d (26); The opposite side of righting arm d (26) is connected with hinge with the frame of tool interface (27), and righting arm c (24), righting arm d (26) all can be around hinge through separately; Preceding righting mechanism (29) is made up of three righting wheel b (25), three righting arm c (24), three righting arm d (26), and three righting wheel b (25) are uniformly distributed with 120 at circumferencial direction 0Layout; During installation, the spring d (22) in the preceding righting mechanism (29) is in compressive state; Righting wheel a (4) all contacts with the borehole wall (28) with righting wheel b (25); Cable joining (1) is connected with hydraulic system.
2. hydraulically driven retractable horizontal well downhole tool feeder according to claim 1 is characterized in that: above-mentioned hydraulic system comprises sealed reservoir, relief valve, motor, oil hydraulic pump, sequence valve, solenoid directional control valve, pressure switch, preceding locking cylinder, telescopic cylinder, back locking cylinder; The cross section of sealed reservoir (35) is cylindrical, and the end of sealed reservoir (35) has tubing interface; Oil hydraulic pump (38) adopts miniature quantitative hydraulic pump; Motor (37) adopts high pressure variable-speed direct current generator; Oil hydraulic pump (38) is connected with miniature bellows coupling with motor (37); The outlet of oil hydraulic pump (38) is connected with relief valve (36) inlet with sequence valve (39) respectively, and the outlet of sequence valve (39) communicates with the filler opening of pressure switch (41) and solenoid directional control valve b (43), and solenoid directional control valve b (43) is the two-position three way solenoid directional control valve; The outlet of solenoid directional control valve b (43) communicates with the rodless cavity of telescopic cylinder (44), and telescopic cylinder (44) rod chamber communicates with sequence valve (39) outlet; The outlet of oil hydraulic pump (38) has an oily circulation flow path to communicate with the inlet of solenoid directional control valve a (40) in addition; Solenoid directional control valve a (40) is the 3-position 4-way solenoid directional control valve of Y type meta function; Solenoid directional control valve a (40) outlet two chambeies are connected with the rodless cavity of preceding locking cylinder (42) with back locking cylinder (45) respectively; Preceding locking cylinder (42) and back locking cylinder (45) are the single-acting hydraulic jack, and preceding locking cylinder (42) and back lock cylinder (45) and all adopt cases of otherwise standard design.
CN 201110385740 2011-11-29 2011-11-29 Hydraulic drive telescopic downhole tool running device of horizontal well Active CN102374360B (en)

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CN102720477A (en) * 2012-06-05 2012-10-10 中国石油集团川庆钻探工程有限公司 Wheeled telescopic continuous creeping tractor used for horizontal well
CN102777145A (en) * 2012-08-16 2012-11-14 中国石油大学(北京) Electric control fluid drive coiled tubing downhole retractor
CN103174391A (en) * 2012-09-17 2013-06-26 重庆科技学院 Control system of coiled tubing underground tractor driven by electronic control hydraulic pressure
CN104533327A (en) * 2014-12-19 2015-04-22 中国石油大学(华东) Walking type coiled tubing well drilling tractor
CN104912493A (en) * 2015-07-02 2015-09-16 西南石油大学 Hydraulic type anti-skidding bit feed tool
CN105003211A (en) * 2015-07-01 2015-10-28 西南石油大学 Self-propelled drilling pressure applying tool
CN105625958A (en) * 2016-01-07 2016-06-01 西南石油大学 Hydraulic pulse type pressurizing drilling column feeding tool
CN105888593A (en) * 2016-06-15 2016-08-24 西南石油大学 Steel-wire-rope feeding device
CN105952404A (en) * 2016-06-22 2016-09-21 西安石油大学 Hydraulically driven alternative telescopic coiled tubing traction apparatus
CN106401518A (en) * 2016-06-15 2017-02-15 西南石油大学 Steel wire rope feeding device with leather bowl
CN106437581A (en) * 2015-11-14 2017-02-22 西安旭丰科技发展有限责任公司 Powerful-traction crawl device in hydraulic drive mode
CN107605418A (en) * 2017-10-27 2018-01-19 中国石油集团渤海钻探工程有限公司 A kind of coiled tubing waterpower draws crawl device
CN108180348A (en) * 2018-01-04 2018-06-19 中国人民解放军国防科技大学 A kind of electro-hydraulic driving pipe robot, fluid power system and its control method
CN110894902A (en) * 2019-12-31 2020-03-20 中国人民解放军92578部队 Telescopic crawling robot in pneumatic pipe
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CN102720477A (en) * 2012-06-05 2012-10-10 中国石油集团川庆钻探工程有限公司 Wheeled telescopic continuous creeping tractor used for horizontal well
CN102720477B (en) * 2012-06-05 2015-07-22 中国石油集团川庆钻探工程有限公司 Wheeled telescopic continuous creeping tractor used for horizontal well
CN102777145B (en) * 2012-08-16 2015-07-29 中国石油大学(北京) A kind of Electro-hydraulic drive coiled tubing downhole tractor
CN102777145A (en) * 2012-08-16 2012-11-14 中国石油大学(北京) Electric control fluid drive coiled tubing downhole retractor
CN103174391A (en) * 2012-09-17 2013-06-26 重庆科技学院 Control system of coiled tubing underground tractor driven by electronic control hydraulic pressure
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