CN201554363U - Turbine type torsion impact drilling tool for hard formation - Google Patents

Turbine type torsion impact drilling tool for hard formation Download PDF

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Publication number
CN201554363U
CN201554363U CN200920297446XU CN200920297446U CN201554363U CN 201554363 U CN201554363 U CN 201554363U CN 200920297446X U CN200920297446X U CN 200920297446XU CN 200920297446 U CN200920297446 U CN 200920297446U CN 201554363 U CN201554363 U CN 201554363U
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CN
China
Prior art keywords
drill bit
transmission shaft
cavity
pipe nipple
turbine
Prior art date
Application number
CN200920297446XU
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Chinese (zh)
Inventor
祝效华
石昌帅
汤历平
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西南石油大学
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Application filed by 西南石油大学 filed Critical 西南石油大学
Priority to CN200920297446XU priority Critical patent/CN201554363U/en
Application granted granted Critical
Publication of CN201554363U publication Critical patent/CN201554363U/en

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Abstract

The utility model relates to a turbine type torsion impact drilling tool for hard formations, mainly comprising a shell, an anti-falling nut, an anti-falling baffle disc, a pull rod, a turbine motor, a cavity vehicle, a rotating impactor, a near-bit drilling column short joint and the like, wherein the shell is connected with the near-bit drilling column short joint by a spline; the turbine is axially arranged along a transmission shaft, and forms the turbine motor with the transmission shaft and a diffuser; the upper end of the transmission shaft is connected with the pull rod by threads; the the pull rod is connected with the anti-falling nut at the upper end of the pull rod by the threads; the anti-falling nut is matched with the anti-falling baffle disc to play an anti-falling role; the anti-falling baffle disc is fixed in the shell by screws; the lower end of the transmission shaft is connected with the cavity vehicle by the threads; the rotating impactor is arranged in a cavity of the cavity vehicle; and an impact hammer in the rotating impactor is matched with a collision-bearing shaft shoulder on the near-bit drilling column short joint to form a ratchet structure. The turbine type torsion impact drilling tool can improve the drilling efficiency and service life of a drill bit, reduce the times of trips and reduce drilling cost.

Description

A kind of turbine type torsional pulse drilling tool that is used for hard formation

Technical field

The utility model relates to a kind of oil and gas well drilling that is used for and applies high frequency torsional pulse by a narrow margin for the PDC drill bit at drilling process, is specially adapted to a kind of turbine type torsional pulse drilling tool that is used for hard formation with the supporting probing deep-well of PDC drill bit hard formation.

Background technology

During hard the or abrasive layer of PDC bit drills, do not have enough moments of torsion to come broken formation usually, thereby drill bit moment is stopped operating.At this moment, amount of torsional energy is stored in the drill string, and drill string can tighten as clockwork spring, in case produced the required moment of torsion in shearing-crushing stratum, the drill string energy just can discharge and come, and applies much higher than usual shock loading on the PDC tooth, finally makes the diamond tooth fragmentation and causes drill bit to lose efficacy.In drilling process, make a trip and the PDC drill bit of changing inefficacy is a key factor that causes drilling cost to increase.In drilling process,, studies show that and to reduce the crash rate of drill bit and to improve rate of penetration by on drill bit, periodically applying small size high frequency torsional pulse because the stick-slip phenomenon of drill bit or BHA causes the problem of drill bit inefficacy.Under this guide of theory, designed turbine type torsional pulse drilling tool.This instrument can be directly installed on the top of PDC drill bit in rotary drilling or the directed drilling assembly.This instrument can apply small size high frequency torsional pulse to drill bit, when combining with the drill string Steady Torque, can produce broken efficiently rock moment of torsion to drill bit, thereby reduce the stick-slip phenomenon of drill bit greatly, significantly improve rate of penetration, prolong bit life, reduce drillstring vibrations, reduce drilling cost.The length of this instrument is short, thus very little to the influence of Bottom Hole Assembly (BHA), in the drilling operation applicable to present deep-well, ultradeep well, directional well, extended reach well and other special well.

Summary of the invention

The purpose of this utility model is: at the prior art deficiency, a kind of turbine type torsional pulse drilling tool that is used for hard formation is provided, it can solve stick-slip vibration or the bit freezing phenomenon that causes because of the instantaneous broken rock energy shortage of drill bit in hard or the abrasive layer, improve drill bit drilling efficiency and application life, minimizing makes a trip and reduces drilling cost.

In order to achieve the above object, the technical scheme that this technical problem that solves the utility model adopts is: a kind of turbine type torsional pulse drilling tool that is used for hard formation, be made up of housing, anti-lost nut, anti-lost block plate, pull bar, turbine, power transmission shaft, cavity vehicle, rotation impactor and nearly drill bit drill string pipe nipple etc., described housing is connected with spline with nearly drill bit drill string pipe nipple; Turbine, diffuser, toroidal cavity and power transmission shaft are formed turbine motor, turbine motor by screw in housing; Turbine to installation, and forms toroidal cavity along transmission shafts between housing and power transmission shaft; Diffuser is installed in the toroidal cavity; Power transmission shaft is uniformly distributed with four pod apertures along the circumference, and pod apertures is the circulation passage of power transmission shaft external fluid inflow power transmission shaft endoporus, and the power transmission shaft upper end is connected with pull bar by screw thread; The anti-lost nut of pull bar and upper end is with being threaded, and anti-lost nut cooperates anti-lost block plate to play anti-lost effect, anti-lost block plate by screw in enclosure interior; Be mounted with auxiliary axial bearing in the endoporus of power transmission shaft lower end, power transmission shaft lower end and cavity vehicle are by being threaded; The stop cover is settled in cavity vehicle upper end, and the stop cover is with closely drill bit drill string pipe nipple upper end is with being threaded, and thrust bearing is settled in the stop set upper side; Rotate impactor and be placed in the cavity vehicle cavity, by two dowel fixes, rotating in the impactor has jump bit; Two pins be placed in respectively in the cavity vehicle two semi-circular recesses with rotate in the hole that annular groove on the impactor and strip groove fit form; There is collar stop cavity vehicle lower end, by screw; Ring spring is installed between collar stop and the nearly drill bit drill string pipe nipple; Nearly drill bit drill string pipe nipple lower end box thread is used to connect PDC drill bit or other instrument, holds on the nearly drill bit drill string pipe nipple and hits the shaft shoulder; Jump bit and holding hits the shaft shoulder and cooperates and form ratchet structure, under turbine motor drives, the cavity vehicle drive jump bit periodic impact to hold hit the shaft shoulder, and energy is passed to drill bit or other instrument by nearly drill bit drill string pipe nipple; The housing lower end is evenly equipped with four 40 ° housing spline, forms four 50 ° housing spline; Nearly drill bit drill string pipe nipple has four 45 ° nearly drill bit drill string pipe nipple spline to be arranged around on the nearly drill bit drill string pipe nipple end face, forms four 45 ° nearly drill bit drill string pipe nipple spline.

The utility model compared with prior art, the beneficial effect that has is: 1, this instrument provides power with turbine motor, resistance to elevated temperatures is good, and can not cause centrifugal intertia force and oscillation crosswise; 2, can apply a kind of torsional pulse of high frequency by a narrow margin power to drill bit, thereby reduce the stick-slip phenomenon of drill bit greatly, significantly improve rate of penetration; 3, by torsional pulse power periodically being provided for drill bit, can stable delivery give torque-on-bit, reduce the possibility that bit freezing causes drill bit to lose efficacy, reduce making a trip and operating cost, improve the comprehensive technology economic benefit.

Description of drawings

Fig. 1 is a kind of structural representation that is used for the turbine type torsional pulse drilling tool of hard formation of the utility model;

Fig. 2 is the A-A generalized section of Fig. 1;

Fig. 3 is the B-B generalized section of Fig. 1.

Among the figure: 1. housing, 2. anti-lost nut, 3. anti-lost block plate, 4. pull bar, 5. turbine, 6. diffuser, 7. power transmission shaft, 8. toroidal cavity, 9. pod apertures, 10. screw, 11. stop covers, 12. cavity vehicles, 13. pin, 14. rotate impactor, 15. collar stops, 16. ring spring, 17. nearly drill bit drill string pipe nipples, 18. male threads, 19. box thread, 20. pins, 21. thrust bearings, 22. auxiliary axial bearing, 23. annular grooves, 24. strip grooves, 25. jump bit, 26. hold and hit the shaft shoulder, 27. cavitys, 28. nearly drill bit drill string pipe nipple spline, 29. housing splines, 30. nearly drill bit drill string pipe nipple splines, 31. the housing spline, 32. screws, 33. screws.

The specific embodiment

As Fig. 1, Fig. 2, shown in Figure 3, a kind of turbine type torsional pulse drilling tool that is used for hard formation of the utility model, be made up of housing 1, anti-lost nut 2, anti-lost block plate 3, pull bar 4, turbine 5, power transmission shaft 7, cavity vehicle 12, rotation impactor 14 and nearly drill bit drill string pipe nipple 17 etc., described housing 1 is connected with nearly drill bit drill string pipe nipple 17 usefulness splines; The male thread 18 of housing 1 upper end is used to connect other instrument, and when housing 1 was driven, housing 1 and nearly drill bit drill string pipe nipple 17 cooperated by housing spline 29 and nearly drill bit drill string pipe nipple spline 28, to drive nearly drill bit drill string pipe nipple 17; Turbine 5, diffuser 6, toroidal cavity 8 and power transmission shaft 7 are formed turbine motor, and turbine motor is fixed in the housing 1 by screw 10, and is driven by drilling fluid; Turbine 5 is axially installed along power transmission shaft 7, and forms toroidal cavity 8 between housing 1 and power transmission shaft 7, and diffuser 6 is installed in the toroidal cavity 8; Power transmission shaft 7 is uniformly distributed with four pod apertures 9 along the circumference, and pod apertures 9 is the circulation passage that power transmission shaft 7 external fluid flow into power transmission shaft 7 endoporus; Power transmission shaft 7 upper ends are connected with pull bar 4 by screw thread; Pull bar 4 is threaded with anti-lost nut 2 usefulness of upper end, and anti-lost nut 2 cooperates anti-lost block plate 3 to play anti-lost effect, and anti-lost block plate 3 is fixed on housing 1 inside by screw 32; Be mounted with auxiliary axial bearing 22 in the power transmission shaft 7 lower end endoporus, power transmission shaft 7 lower ends and cavity vehicle 12 are by being threaded; Stop cover 11 is settled in cavity vehicle 12 upper ends, and stop cover 11 is with closely drill bit drill string pipe nipple 17 upper ends are with being threaded, and stop is overlapped 11 upper ends and settled thrust bearing 21; The matching surface of thrust bearing 21 and auxiliary axial bearing 22 is inlayed composite polycrystal-diamond; Rotate impactor 14 and be placed in the cavity 27 of cavity vehicle 12, fixed by pin 13 and 20, rotating in the impactor 14 has jump bit 25; Two semi-circular recesses that pin 13 and 20 is placed in respectively in the cavity vehicle 12 cooperate in the hole of formation with annular groove 23 and strip groove 24 on rotating impactor 14; There is collar stop 15 cavity vehicle 12 lower ends, and are fixing by screw 33, and ring spring 16 is installed between collar stop 15 and the nearly drill bit drill string pipe nipple 17; Nearly drill bit drill string pipe nipple 17 lower end box threads 19 are used to connect PDC drill bit or other instrument, hold on the nearly drill bit drill string pipe nipple 17 and hit the shaft shoulder 26; Jump bit 25 and holding hits the shaft shoulder 26 and cooperates and form ratchet structures, under turbine motor drives, cavity vehicle 12 drive jump bits 25 periodic impact to hold hit the shaft shoulder 26, and energy is passed to drill bit or other instrument by nearly drill bit drill string pipe nipple 17.

As shown in Figure 2, rotate impactor 14 and be placed in the cavity 27 of cavity vehicle 12, fixing by pin 13 and pin 20, it has a radially jump bit 25 of convex; There is an annular groove 23 on the one side of rotating impactor 14, there is a strip groove 24 on relative one side, and two grooves that pin 13 and 20 is placed in respectively in the cavity vehicle 12 cooperate in the hole that forms with the annular groove 23 and the strip groove 24 of rotation impactor 14; The size of annular groove 23 and strip groove 24 is determined, so that rotating impactor 14 can serve as that axle rotates with pin 13, and strip groove 24 in, slides by second pin 20, make and rotate impactor 14 and can center on to hold and hit the shaft shoulder 26 and periodically do concentric and eccentric rotary.

The between centers of nearly drill bit drill string pipe nipple 17 have one radially holding of evagination hit the shaft shoulder 26; When drilling fluid drives the turbine motor rotation, turbine motor can drive power transmission shaft 7 and rotate, power transmission shaft 7 drives by cavity vehicle 12 and rotates impactor 14, rotate jump bits 25 in the impactor 14 and can periodically impact to hold and hit the shaft shoulder 26, by nearly drill bit drill string pipe nipple 17 moment of torsion is passed to drill bit at last.

As shown in Figure 3, this tool housing 1 lower end is evenly equipped with four 40 ° housing spline 29, forms four 50 ° housing spline 31; Nearly drill bit drill string pipe nipple 17 has four 45 ° nearly drill bit drill string pipe nipple spline 28 to be arranged around on nearly drill bit drill string pipe nipple 17 end faces, forms four 45 ° nearly drill bit drill string pipe nipple spline 30.As shown in Figure 1, in housing 1 and nearly drill bit drill string pipe nipple 17 endoporus, the drilling liquid flow circulation passage is arranged; Four pod apertures 9 are the circulation passage that power transmission shaft 7 external fluid flow into power transmission shaft 7 endoporus; All flow through the at last endoporus of nearly drill bit drill string pipe nipple 17 of drilling fluid flow to drill bit then.

When formation drilling, nearly drill bit drill string pipe nipple 17 upwards compresses ring spring 16, and the housing spline 29 of housing 1 and the nearly drill bit drill string pipe nipple spline 28 of nearly drill bit drill string pipe nipple 17 cooperate fully; When instrument stopped to creep into, ring spring 16 returned to reset condition, and nearly drill bit drill string pipe nipple spline 28 separates with housing spline 29, fitted in the lower surface and cavity vehicle 12 upper surfaces of stop this moment cover 11, fell to stop nearly drill bit drill string pipe nipple 17; Fitting in anti-lost nut 2 lower surfaces and anti-lost block plate 3 upper surfaces, plays anti-lost effect, and stop revolution by the friction of two end faces; Ring spring 16 works between the end face of collar stop 15 and nearly drill bit drill string pipe nipple 17.

Claims (4)

1. turbine type torsional pulse drilling tool that is used for hard formation, mainly form by housing (1), anti-lost nut (2), anti-lost block plate (3), pull bar (4), turbine (5), power transmission shaft (7), cavity vehicle (12), rotation impactor (14) and nearly drill bit drill string pipe nipple (17) etc., it is characterized in that described turbine (5), diffuser (6), toroidal cavity (8) and power transmission shaft (7) are formed turbine motor; Turbine (5) is axially installed along power transmission shaft (7), and forms toroidal cavity (8) between housing (1) and power transmission shaft (7), and diffuser (6) is installed in the toroidal cavity (8); Power transmission shaft (7) is uniformly distributed with four pod apertures (9) along the circumference, is mounted with auxiliary axial bearing (22) in the endoporus of power transmission shaft (7) lower end, and power transmission shaft (7) lower end and cavity vehicle (12) are by being threaded; Stop cover (11) is settled in cavity vehicle (12) upper end, and stop cover (11) is with closely drill bit drill string pipe nipple (17) upper end is with being threaded, and thrust bearing (21) is settled in stop cover (11) upper end; Rotate impactor (14) and be placed in the cavity (27) of cavity vehicle (12), fixing by pin (13,20); Two semi-circular recesses that pin (13,20) is placed in respectively in the cavity vehicle (12) cooperate in the hole of formation with annular groove (23) and strip groove (24) on rotating impactor (14); There is collar stop (15) cavity vehicle (12) lower end, and is fixing by screw (33); Ring spring (16) is installed between collar stop (15) and the nearly drill bit drill string pipe nipple (17).
2. a kind of turbine type torsional pulse drilling tool that is used for hard formation according to claim 1, it is characterized in that, rotating in the impactor (14) has jump bit (25), holds on the nearly drill bit drill string pipe nipple (17) and hits the shaft shoulder (26), jump bit (25) and hold and hit the shaft shoulder (26) and cooperate the formation ratchet structure.
3. a kind of turbine type torsional pulse drilling tool that is used for hard formation according to claim 1 is characterized in that the matching surface of thrust bearing (21) and auxiliary axial bearing (22) is inlayed composite polycrystal-diamond.
4. a kind of turbine type torsional pulse drilling tool that is used for hard formation according to claim 1 is characterized in that housing (1) lower end is evenly equipped with four 40 ° housing spline (29), forms four 50 ° housing spline (31); Nearly drill bit drill string pipe nipple (17) has four 45 ° nearly drill bit drill string pipe nipple spline (28) to be arranged around on nearly drill bit drill string pipe nipple (17) end face, forms four 45 ° nearly drill bit drill string pipe nipple spline (30).
CN200920297446XU 2009-12-20 2009-12-20 Turbine type torsion impact drilling tool for hard formation CN201554363U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN200920297446XU CN201554363U (en) 2009-12-20 2009-12-20 Turbine type torsion impact drilling tool for hard formation

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155165A (en) * 2011-01-12 2011-08-17 王安劳 Impact drilling tool
CN103244052A (en) * 2013-05-15 2013-08-14 西南石油大学 Hydraulic hammer rod type impact drilling tool
CN103291214A (en) * 2013-06-19 2013-09-11 中国石油大学(华东) Reciprocating type hydraulic-drive impacter
CN103291213A (en) * 2013-03-29 2013-09-11 温州加达机械制造有限公司 Water pressure torsional impact device for well drilling
CN103670269A (en) * 2013-12-18 2014-03-26 中国石油大学(华东) Turbine torsional impact generator
CN104033113A (en) * 2014-06-27 2014-09-10 西南石油大学 Rotary screw drill tool
CN105257210A (en) * 2015-11-18 2016-01-20 西南石油大学 Novel turbodrill capable of achieving accurate positioning of stator and rotor
CN105421996A (en) * 2015-11-23 2016-03-23 西南石油大学 Drilling tool for breaking rocks by producing compound action through rotary-percussion mode
CN105926557A (en) * 2016-05-18 2016-09-07 建湖县永维阀门钻件有限公司 Construction method for casing pipes of offshore oil drilling platform
WO2017005197A1 (en) * 2015-07-09 2017-01-12 西南石油大学 Hydraulic gentle vibration speed acceleration drill tool
CN106499340A (en) * 2016-11-09 2017-03-15 西南石油大学 A kind of fluid power pulse generating unit and its method of operating
CN107120062A (en) * 2017-07-13 2017-09-01 西南石油大学 A kind of high speed impact drilling tool
CN106245510B (en) * 2016-08-16 2018-08-03 山东龙鑫环保设备有限公司 A kind of quartering hammer of the flywheel driving with stripping function
CN108547571A (en) * 2018-04-08 2018-09-18 西南石油大学 A kind of centering type torsion impact drilling tool
CN108625769A (en) * 2018-03-27 2018-10-09 北京工业大学 Torsional pulse drilling speed tool

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155165B (en) * 2011-01-12 2013-05-15 王安劳 Impact drilling tool
CN102155165A (en) * 2011-01-12 2011-08-17 王安劳 Impact drilling tool
CN103291213A (en) * 2013-03-29 2013-09-11 温州加达机械制造有限公司 Water pressure torsional impact device for well drilling
CN103244052A (en) * 2013-05-15 2013-08-14 西南石油大学 Hydraulic hammer rod type impact drilling tool
CN103291214B (en) * 2013-06-19 2016-03-30 中国石油大学(华东) Be applicable to the reciprocating hydraulic impacter of hard formation drilling well
CN103291214A (en) * 2013-06-19 2013-09-11 中国石油大学(华东) Reciprocating type hydraulic-drive impacter
CN103670269A (en) * 2013-12-18 2014-03-26 中国石油大学(华东) Turbine torsional impact generator
CN103670269B (en) * 2013-12-18 2015-05-06 中国石油大学(华东) Turbine torsional impact generator
CN104033113A (en) * 2014-06-27 2014-09-10 西南石油大学 Rotary screw drill tool
WO2017005197A1 (en) * 2015-07-09 2017-01-12 西南石油大学 Hydraulic gentle vibration speed acceleration drill tool
US10472891B2 (en) 2015-07-09 2019-11-12 Southwest Petroleum University Hydraulic gentle vibration speed-enhancing drilling tool
CN105257210A (en) * 2015-11-18 2016-01-20 西南石油大学 Novel turbodrill capable of achieving accurate positioning of stator and rotor
CN105421996A (en) * 2015-11-23 2016-03-23 西南石油大学 Drilling tool for breaking rocks by producing compound action through rotary-percussion mode
CN105421996B (en) * 2015-11-23 2018-05-08 西南石油大学 The drilling tool of compound action broken rock is produced using the mode of spinning
CN105926557B (en) * 2016-05-18 2017-03-08 建湖县永维阀门钻件有限公司 Offshore drilling platformses riser pipe construction method
CN105926557A (en) * 2016-05-18 2016-09-07 建湖县永维阀门钻件有限公司 Construction method for casing pipes of offshore oil drilling platform
CN106245510B (en) * 2016-08-16 2018-08-03 山东龙鑫环保设备有限公司 A kind of quartering hammer of the flywheel driving with stripping function
CN106499340A (en) * 2016-11-09 2017-03-15 西南石油大学 A kind of fluid power pulse generating unit and its method of operating
CN107120062A (en) * 2017-07-13 2017-09-01 西南石油大学 A kind of high speed impact drilling tool
CN107120062B (en) * 2017-07-13 2018-12-21 西南石油大学 A kind of high speed impact drilling tool
CN108625769A (en) * 2018-03-27 2018-10-09 北京工业大学 Torsional pulse drilling speed tool
CN108547571A (en) * 2018-04-08 2018-09-18 西南石油大学 A kind of centering type torsion impact drilling tool
CN108547571B (en) * 2018-04-08 2019-09-03 西南石油大学 A kind of centering type torsion impact drilling tool

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Granted publication date: 20100818

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