CN103174380B - Spring energy-storage inspiring type rotary percussive drill device - Google Patents
Spring energy-storage inspiring type rotary percussive drill device Download PDFInfo
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- CN103174380B CN103174380B CN201310093270.7A CN201310093270A CN103174380B CN 103174380 B CN103174380 B CN 103174380B CN 201310093270 A CN201310093270 A CN 201310093270A CN 103174380 B CN103174380 B CN 103174380B
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Abstract
The invention relates to a spring energy-storage inspiring type rotary percussive drill device, in particular to the spring energy-storage inspiring type rotary percussive drill device which produces quick continuous impact due to the fact that a down-hole motor, a rotating shaft and an impact vibration kit match with each other. The spring energy-storage inspiring type rotary percussive drill device comprises the down-hole motor and a drill pipe which is connected with the down-hole motor, wherein a drill is arranged at the lower end of the drill pipe. The spring energy-storage inspiring type rotary percussive drill device is characterized in that an impact mechanism is arranged inside the drill pipe, and the impact mechanism comprises the down-hole motor, the rotating shaft which is arranged at the lower end of the down-hole motor and the impact vibration kit which is arranged at the lower portion of the rotating shaft in a sleeved mode. Due to the design of the impact mechanism, and the down-hole motor, the rotating shaft and the impact vibration kit match with each other, the quick continuous impact is produced, bit pressure high-frequently vibrates by a large margin in the drilling process, the drilling process is quickened and drilling efficiency is improved with the cooperation of torque-on-bit.
Description
Technical field
The present invention relates to a kind of spring energy-storage excitation formula rotary percussion drilling device, relate in particular to and a kind ofly cooperatively interact and produce the spring energy-storage excitation formula rotary percussion drilling device of quick bump by down-hole motor, axis of rotation and the punching external member of shaking.
Background technology
Along with exploration and the drilling of petroleum and natural gas constantly develop to Earth stratum, the hardpan running in reality exploration and drilling process increases gradually, and the rock on this stratum is along with the increase of hardness, and drillability is poor.Improve bit speed in the urgent need to a kind of New well drilling tool and method.Practice shows, ing technique utilizes rock under impact loading, to be easy to broken feature, can increase substantially efficiency of breaking rock and drilling speed.This technology has started to be applied in the work progress of the bad grounds such as oil/gas drilling, geothermal drilling, mining engineering and has improved drilling speed.At present the core tool percussion rotating device of this technology is mainly divided into two kinds: one is, utilizes the flow direction of fluidic periodically-varied drilling fluid, drives block stamp to move up and down, and produces the hydraulic jet type impactor of shock loading; Another kind is utilize waterpower pulse to produce vibration, thereby the waterpower pulse of generation shock loading to bring out underground vibrating drilling mode.These two kinds of percussion rotating devices also exist the problems such as mechanism easily breaks down, fall short of application life, shock loading amplitude is less at present.
For this reason, invented a kind of spring energy-storing excitation formula rotary percussion drilling device that utilizes spring energy-storage to excite.
Summary of the invention
The object of this invention is to provide a kind of spring energy-storage excitation formula rotary percussion drilling device, this device is cooperatively interacted and is produced quick bump by down-hole motor, axis of rotation and the punching external member of shaking, and improves the object of drilling efficiency to realize.
The object of the invention is to be achieved through the following technical solutions: a kind of spring energy-storage excitation formula rotary percussion drilling device, comprise down-hole motor and the drilling pipe being connected with this down-hole motor, be provided with drill bit in this drilling pipe lower end, in described drilling pipe, be provided with beater mechanism, this beater mechanism comprises down-hole motor, be arranged on the axis of rotation of this down-hole motor lower end and be set in the external member of shaking of rushing of this axis of rotation bottom.
Described punching is shaken, and external member is provided with energy-storaging spring from top to bottom successively, jump bit overlaps and anvil cover; Be provided with positive stop lug boss in described energy-storaging spring upper end, this positive stop lug boss outer wall is connected with described drilling pipe, the setting corresponding to described axis of rotation outer wall of this positive stop lug boss inwall.
Described energy-storaging spring upper end is connected with described positive stop lug boss by thrust bearing; This energy-storaging spring lower end is connected with described jump bit cover.
Described jump bit cover is set on described axis of rotation, and is slidably connected with described axis of rotation; Described anvil cover is fixed with described drilling pipe; Described jump bit cover bottom is provided with ring tooth head, and described anvil cover top is provided with the lower ring tooth head corresponding with described upper ring tooth head.
Described upper ring tooth head comprises multiple lower convex edges that arrange along the end to end order of jump bit cover circumferencial direction, and described lower ring tooth head comprises multiple upper convex edges that arrange along the end to end order of anvil cover circumferencial direction; Wrong corresponding setting of Yu Shang convex edge, described lower convex edge submission.
Described anvil cover comprises hammering portion and is arranged on the installation portion of this hammering subordinate end, and described axis of rotation bottom is inserted in described hammering portion, and the described hammering cylindrical setting of portion's outer wall also adapts with described drilling pipe inwall.
Described drilling pipe bottom is provided with crossover sub, and this crossover sub upper end is connected with described anvil cover bottom by screw thread, and this crossover sub bottom is connected with described drill bit by screw thread.
Be arranged with and lift pipe nipple in described anvil cover bottom, this lifts pipe nipple upper end and is connected with described drill bushing bottom, and this lifts pipe nipple lower end and described crossover sub upper end end contact.
Be arranged with Limit Bearing on described axis of rotation top, described axis of rotation is connected with described drilling pipe by this Limit Bearing.
Be provided with adapter sleeve in described drilling pipe upper end, this adapter sleeve lower end is threaded with described drilling pipe, and this adapter sleeve upper end is provided with the joint for being threaded with described rotary drilling motor.
The present invention compared with prior art has advantages of following:
1, the present invention adopts the design of beater mechanism, cooperatively interacts by down-hole motor, axis of rotation and the punching external member of shaking, and produces continuous impact fast, drilling pipe is vibrated subterranean strata in drilling process and make rock fragmentation, thereby quickening drilling process, reduces to creep into resistance, improve drilling efficiency; Spring energy-storage excitation formula rotary percussion drilling device of the present invention adopts the design of full mechanical, makes each parts installation of device more reasonable, compact, has effectively guaranteed the application life of device, and has saved manufacturing cost.
2, the present invention adopts the design of energy-storaging spring, in the time that described jump bit cover starts to rotate with axis of rotation, the described face that has a down dip slides along the updip face corresponding with it, under the mating reaction of the face of having a down dip and updip face, described jump bit cover is constantly upwards raised, until peak (in the time that the angle between the face of having a down dip and lower facade is corresponding with angle between updip face and upper facade), now energy-storaging spring is by fully compression accumulation of energy; Along with described axis of rotation is rotated further, described energy-storaging spring releases energy downwards and produces shock loading; Under the excitation of energy-storaging spring, the lower facade that described jump bit overlaps has a down dip face hammering on the updip face of anvil cover described in vertically falling and make along the upper facade of anvil cover, and the crossover sub that the shock loading that hammering produces is overlapped lower end by anvil is passed to the object that rock is broken in drill bit realization vibration; That is to say that energy-storaging spring can produce jump bit cover potential energy because of rotation compresses saves up strength, and converts kinetic energy to and discharge, and discharges the impact loading producing and in drill bit, rock rush and shaken, raising rock breaking capacity.
3, the present invention adopts the design of impact anvil external member, described jump bit is enclosed within energy-storaging spring effect every whereabouts once, just anvil cover is implemented to a hammering, the shock loading that anvil cover produces hammering conducts to drill bit by crossover sub, thereby realizes the object of the rotary percussion drilling of fully mechanical with this; Namely in the process of drilling pipe rotary drilling, constantly apply impact to drill bit by described beater mechanism, the object fluctuating widely to reach the pressure of the drill makes rock be easy to fragmentation, thereby greatly improves rate of penetration under the effect of impact force.
4, the present invention adopts the design of stable cover and lower stable cover, described Limit Bearing can be limited in drilling pipe, further to prevent that axis of rotation is shifted because vibration produces up and down in impact process, makes the rotation of axis of rotation more stable.
5, the present invention adopts the design of hammering portion can guarantee that the hammering face of described jump bit cover bottom and the anvil face on described anvil cover top adapt, and is that both agreeing with is more complete, and the hammer effect that improves jump bit cover with this, has guaranteed the conduction of impact force stable and uniform.
6, the present invention still adopts and on drill bit, applies the tradition that the pressure of the drill adds moment of torsion and creep into mode, amplitude and the frequency of Fluctuation of weight on bit are just increased, requirement and conventional drilling the indistinction of this device to geological conditions, constructing operation condition, is conducive to the all-round popularization application of technology.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention (main sectional view);
Fig. 2 is structural representation of the present invention (sectional view of A-A in Fig. 1);
Fig. 3 is structural representation of the present invention (sectional view of B-B in Fig. 1);
Fig. 4 is structural representation of the present invention (sectional view of C-C in Fig. 1);
Fig. 5 is the structural representation (stereogram) of jump bit cover in the present invention;
Fig. 6 is the structural representation (stereogram) of anvil cover in the present invention;
Fig. 7 is that in the present invention, jump bit overlaps the assembling schematic diagram (stereogram) overlapping with anvil.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, spring energy-storage excitation formula rotary percussion drilling device of the present invention, comprise that down-hole motor (belongs to prior art, in figure do not show) with the drilling pipe 1 being connected with this down-hole motor, be provided with drill bit 2 in this drilling pipe lower end, drilling pipe described in the present embodiment is vertically set on described down-hole motor lower end, and be connected with this rotary drilling motor by screw thread, described drill bit is and is removably connected by screw thread and described drilling pipe, in described drilling pipe, be provided with beater mechanism, this beater mechanism and described drilling pipe entirety are concentric setting, this beater mechanism comprises down-hole motor 3, be arranged on the axis of rotation 4 and the external member of shaking of rushing that is set in this axis of rotation bottom of this down-hole motor lower end.Down-hole motor described in the present embodiment is connected with described axis of rotation by universal drive shaft, and described axis of rotation is hollow setting.The present invention adopts the design of beater mechanism, cooperatively interact by down-hole motor, axis of rotation and the punching external member of shaking, produce continuous impact fast, drilling pipe is vibrated subterranean strata in drilling process, and make rock fragmentation under torque-on-bit auxiliary, thereby quickening drilling process, reduces to creep into resistance, improve drilling efficiency; Spring energy-storage excitation formula rotary percussion drilling device of the present invention adopts the design of full mechanical, makes each parts installation of device more reasonable, compact, has effectively guaranteed the application life of device, and has saved manufacturing cost.
Described in the present embodiment, rush the external member of shaking and be provided with successively energy-storaging spring 5, jump bit cover 6 and anvil cover 7 from top to bottom; Be provided with positive stop lug boss 8 in described energy-storaging spring upper end, this positive stop lug boss outer wall is connected with described drilling pipe, the setting corresponding to described axis of rotation outer wall of this positive stop lug boss inwall.Positive stop lug boss described in the present embodiment adopts the design of two male joints, described drilling pipe is the design of corresponding employing segmented connection also, that is to say that described drilling pipe is assembled by upper pipeline section and lower tube section, described positive stop lug boss upper end outer wall is connected with the first pipeline section 9 lower end inwalls by screw thread, and described positive stop lug boss lower end outer wall is connected with the second pipeline section 10 upper end inwalls by screw thread; To adopt such design be for the ease of the installation and removal of drilling pipe and be convenient to the installation and removal of the beater mechanism in drilling pipe; Described positive stop lug boss also can adopt two female joints design of (belong in prior art, figure and not showing).The cylindrical setting of described positive stop lug boss inwall, the corresponding setting of cylindrical outer wall of this positive stop lug boss and described axis of rotation, leave between the two can for axis of rotation rotation gap; For guaranteeing the tightness of entirety in drilling pipe, the present embodiment arranges multiple seals between described positive stop lug boss and axis of rotation.
The upper end of energy-storaging spring described in the present embodiment is rotationally connected by thrust bearing 11 and described positive stop lug boss lower end; This energy-storaging spring lower end is connected with described jump bit set upper side.The pressed on ring of thrust bearing described in the present embodiment and described positive stop lug boss lower end are fixed, and the lower ring of described thrust bearing and described energy-storaging spring upper end are fixed, and the inwall of the lower ring of this thrust bearing and the cylindrical outer wall of described axis of rotation are fixed.Energy-storaging spring described in the present embodiment can adopt spring, dish spring etc., and the energy-storaging spring in the present embodiment adopts disk spring setting.
The cover of jump bit described in the present embodiment is set on described axis of rotation, and is slidably connected with described axis of rotation; Described anvil cover outer wall and described drilling pipe inwall are along circumferentially fixing; Described jump bit cover bottom is provided with ring tooth head, and described anvil cover top is provided with the lower ring tooth head corresponding with described upper ring tooth head.The cylindrical setting of anvil described in the present embodiment cover inwall, the corresponding setting of cylindrical outer wall of this anvil cover and described axis of rotation, leave between the two can for axis of rotation rotation gap; For guaranteeing the tightness of entirety in drilling pipe, the present embodiment arranges seal between described anvil cover and axis of rotation.The cover of anvil described in the present embodiment is hollow setting, and respectively with described axis of rotation and the corresponding conducting of drill bit; Form complete drilling fluid passage 12 with this, in drilling process, realized the transfer of drilling fluid waterpower energy, be translated into the pressure of the drill, improve efficiency of breaking rock and improved drilling speed.
Shown in Fig. 5, Fig. 6, Fig. 7, upper ring tooth head described in the present embodiment comprises multiple lower convex edges 13 that arrange along the end to end order of jump bit cover circumferencial direction, and described lower ring tooth head comprises multiple upper convex edges 14 that arrange along the end to end order of anvil cover circumferencial direction; Wrong corresponding setting of Yu Shang convex edge, described lower convex edge submission.Lower convex edge described in the present embodiment comprises the face that has a down dip 15 horizontal by the downward-sloping setting of angle, is provided with horizontal by vertically disposed lower facade 16 at the beveled end of this face that has a down dip; Described upper convex edge comprises horizontal by the angle updip face 17 arranging that is inclined upwardly, is provided with horizontal by facade 18 on vertically disposed at the beveled end of this updip face; In the time that described jump bit cover starts to rotate with axis of rotation, the described face that has a down dip slides along the updip face corresponding with it, under the mating reaction of the face of having a down dip and updip face, described jump bit cover is constantly upwards raised, until peak (in the time that the angle between the face of having a down dip and lower facade is corresponding with angle between updip face and upper facade), now energy-storaging spring is by fully compression accumulation of energy; Along with described axis of rotation is rotated further, described energy-storaging spring releases energy downwards and produces shock loading; Under the excitation of energy-storaging spring, the lower facade that described jump bit overlaps has a down dip face hammering on the updip face of anvil cover described in vertically falling and make along the upper facade of anvil cover, and the crossover sub that the shock loading that hammering produces is overlapped lower end by anvil is passed to the object that rock is broken in drill bit realization vibration; Along with axis of rotation is rotated further, described in the face that has a down dip again slide along updip face; Along with axis of rotation continues to rotate, described jump bit cover constantly repeats said process with described anvil cover, described jump bit overlaps every whereabouts once, just anvil cover is implemented to a hammering, the load that anvil cover produces hammering conducts to drill bit by crossover sub, continues accumulation of energy and excites the object of percussion drilling thereby realize energy-storaging spring with this; Namely in the process of drilling pipe rotary drilling, constantly apply impact to drill bit by described beater mechanism, to reach, subterranean strata is continued to the object that punching is shaken, under the effect of impact force, make rock be easy to fragmentation, thereby greatly improve rate of penetration.The process of the function of therefore utilizing energy-storaging spring accumulation of energy in the present invention and release energy impact so that jump bit cover and anvil cover have cooperatively interacted is the key point that the present invention contributes with respect to prior art.
Spring energy-storage excitation formula rotary percussion drilling device described in the present embodiment is in drilling construction process, and described drilling pipe direction of rotation and described axis of rotation direction of rotation are consistent; And control the speed of axis of rotation rotation much larger than the rotating speed of drilling pipe; The frequency of impact that described beater mechanism produces is controlled by down-hole motor and rotary speed; Frequency of impact is the product of rotary shaft rotating speed and rotary speed difference and Huo Xia convex edge, upper convex edge quantity.
Shown in Fig. 1, Fig. 2, the interior side of the cover of jump bit described in the present embodiment and corresponding the installing of foreign side of described axis of rotation; The interior side of described jump bit cover and the foreign side of described axis of rotation all adopt regular hexagon setting, also can need freely to choose according to practice of construction; The cover of jump bit described in the present embodiment can also be connected with described axis of rotation by spline.The present invention adopts above-mentioned two kinds of types of attachment, can further guarantee that jump bit cover synchronously rotates with it in the time that axis of rotation rotates, and makes the overall transmission better effects if of device.
Shown in Fig. 1, Fig. 3, the cover of anvil described in the present embodiment comprises hammering portion 19 and is arranged on the installation portion 20 of this hammering subordinate end, described axis of rotation bottom is inserted in described hammering portion, and can rotate freely along hammering portion inner chamber circumferencial direction, the described hammering cylindrical setting of portion's outer wall also adapts with described drilling pipe inwall.Adopting this kind of design can guarantee that the hammering face of described jump bit cover bottom and the anvil face on described anvil cover top adapt, is that both agreeing with is more complete, and the hammer effect that improves jump bit cover with this, has guaranteed the conduction of impact force stable and uniform.
Shown in Fig. 1, Fig. 4, the corresponding setting of interior side of the foreign side of installation portion described in the present embodiment and described drill bushing; The interior Fang Jun of the foreign side of described installation portion and described drill bushing adopts regular hexagon setting, also can need freely to choose according to practice of construction.The present invention adopts this kind of type of attachment, can further guarantee that anvil cover synchronously rotates with it in the time that drilling pipe rotates, and makes the overall transmission better effects if of device, guarantees drilling efficiency with this.
The bottom of drilling pipe described in the present embodiment is provided with crossover sub 21, and this crossover sub upper end is connected with described anvil cover bottom by screw thread, and this crossover sub bottom is connected with described drill bit by screw thread.Crossover sub described in the present embodiment adopts the design of two female joints, and adopting such design is the installation and removal for the ease of rushing the external member of shaking and the installation and removal of being convenient to drill bit; Installation between simultaneously also can the each parts of assurance device is more firm stable; Described crossover sub also can adopt two male joints design of (belong in prior art, figure and not showing).Crossover sub described in the present embodiment is hollow setting, and overlaps corresponding conducting with described anvil.
In the present embodiment, produce and glide for preventing that anvil is enclosed within hammering process, and be convenient to by drilling pipe, beater mechanism be taken out of in the lump during by device Integral lifting at needs, be arranged with and lift pipe nipple 22 in described anvil cover bottom, this lifts pipe nipple upper end and is connected with described drill bushing bottom, and this lifts pipe nipple lower end and described crossover sub end contact.In the present embodiment, be provided with described lifting in pipe nipple the backstop platform 23 gliding for backstop anvil cover, described anvil cover bottom outer wall is provided with the pedestal corresponding with this backstop platform 24; Meanwhile, for the consideration to device processing aspect, the interior side who adopts the design that lifts pipe nipple can also conveniently process drilling pipe.For further preventing that anvil cover from gliding, in the present embodiment, in described drilling pipe bottom interior wall, be also provided with backstop platform, in described anvil cover bottom outer wall, be also provided with the pedestal corresponding with this backstop platform, and this pedestal is arranged on described hammering portion bottom outer edge.
In the present embodiment, be arranged with Limit Bearing 25 on described axis of rotation top, described axis of rotation is rotationally connected by this Limit Bearing and described drilling pipe.The interior ring of Limit Bearing described in the present embodiment and described axis of rotation outer wall are fixed, and the inwall on the outer shroud of this Limit Bearing and described drilling pipe top is fixed; The present invention adopts the design of Limit Bearing, can prevent that axis of rotation is shifted because vibration produces up and down in impact process, makes the rotation of axis of rotation more stable.
In the present embodiment, be provided with stable cover 26 in described Limit Bearing upper end, be provided with lower stable cover 27 in this Limit Bearing lower end.Described in the present embodiment, the upper end of upper stable cover is corresponding with disposed thereon 28 bottoms of presenting a theatrical performance as the last item on a programme, and lower end is corresponding with the outer shroud upper end of described Limit Bearing; The lower end of described lower stable cover is corresponding with described positive stop lug boss upper end, and upper end is corresponding with the outer shroud lower end of described Limit Bearing; Presenting a theatrical performance as the last item on a programme described in the present embodiment is arranged in described drilling pipe, this present a theatrical performance as the last item on a programme inwall and the corresponding setting of described axis of rotation upper end outer wall; The present invention adopts the design of stable cover and lower stable cover, described Limit Bearing can be limited in drilling pipe, further to prevent that axis of rotation is shifted because vibration produces up and down in impact process, makes the rotation of axis of rotation more stable.
In the present embodiment, be connected with described down-hole motor for ease of drilling pipe, and facilitate axis of rotation and down-hole motor to install, be provided with adapter sleeve 29 in described drilling pipe upper end, this adapter sleeve lower end is threaded with described drilling pipe, and this adapter sleeve upper end is provided with the joint 30 for being threaded with described rotary drilling motor; Described down-hole motor is arranged in described adapter sleeve.
Claims (9)
1. a spring energy-storage excitation formula rotary percussion drilling device, comprise down-hole motor and the drilling pipe being connected with this down-hole motor, be provided with drill bit in this drilling pipe lower end, it is characterized in that: in described drilling pipe, be provided with beater mechanism, this beater mechanism comprises down-hole motor, be arranged on the axis of rotation of this down-hole motor lower end and be set in the external member of shaking of rushing of this axis of rotation bottom; Described punching is shaken, and external member is provided with energy-storaging spring from top to bottom successively, jump bit overlaps and anvil cover; Be provided with positive stop lug boss in described energy-storaging spring upper end, this positive stop lug boss outer wall is connected with described drilling pipe, the setting corresponding to described axis of rotation outer wall of this positive stop lug boss inwall.
2. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 1, is characterized in that: described energy-storaging spring upper end is connected with described positive stop lug boss by thrust bearing; This energy-storaging spring lower end is connected with described jump bit cover.
3. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 2, is characterized in that: described jump bit cover is set on described axis of rotation, and is slidably connected with described axis of rotation; Described anvil cover is fixed with described drilling pipe; Described jump bit cover bottom is provided with ring tooth head, and described anvil cover top is provided with the lower ring tooth head corresponding with described upper ring tooth head.
4. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 3, it is characterized in that: described upper ring tooth head comprises multiple lower convex edges that arrange along the end to end order of jump bit cover circumferencial direction, described lower ring tooth head comprises multiple upper convex edges that arrange along the end to end order of anvil cover circumferencial direction; Wrong corresponding setting of Yu Shang convex edge, described lower convex edge submission.
5. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 4, it is characterized in that: described anvil cover comprises hammering portion and is arranged on the installation portion of this hammering subordinate end, described axis of rotation bottom is inserted in described hammering portion, and the described hammering cylindrical setting of portion's outer wall also adapts with described drilling pipe inwall.
6. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 5, it is characterized in that: described drilling pipe bottom is provided with crossover sub, this crossover sub upper end is connected with described anvil cover bottom by screw thread, and this crossover sub bottom is connected with described drill bit by screw thread.
7. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 6, it is characterized in that: be arranged with and lift pipe nipple in described anvil cover bottom, this lifts pipe nipple upper end and is connected with described drill bushing bottom, and this lifts pipe nipple lower end and described crossover sub upper end end contact.
8. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 7, is characterized in that: be arranged with Limit Bearing on described axis of rotation top, described axis of rotation is connected with described drilling pipe by this Limit Bearing.
9. spring energy-storage excitation formula rotary percussion drilling device as claimed in claim 8, it is characterized in that: be provided with adapter sleeve in described drilling pipe upper end, this adapter sleeve lower end is threaded with described drilling pipe, and this adapter sleeve upper end is provided with the joint for being threaded with described rotary drilling motor.
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| CN201310093270.7A CN103174380B (en) | 2013-03-21 | 2013-03-21 | Spring energy-storage inspiring type rotary percussive drill device |
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| CN201310093270.7A CN103174380B (en) | 2013-03-21 | 2013-03-21 | Spring energy-storage inspiring type rotary percussive drill device |
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| CN103174380B true CN103174380B (en) | 2014-05-14 |
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| CN105275384B (en) * | 2014-06-26 | 2018-03-09 | 中国石油化工股份有限公司 | A kind of percussion drilling device |
| CN104847259B (en) * | 2015-04-13 | 2017-03-15 | 中国石油大学(华东) | A kind of power drilling tool rotary impact speed enhancing apparatus |
| CN106194009B (en) * | 2016-07-07 | 2018-03-16 | 长江大学 | A kind of rotary-percussion drill apparatus |
| CN110359863A (en) * | 2018-02-01 | 2019-10-22 | 西南石油大学 | A kind of anti-fall well suspension arrangement for rotary steerable tool |
| CN108561072A (en) * | 2018-05-25 | 2018-09-21 | 邵金安 | Wheeled roll off band percussion drilling method, drilling apparatus, drilling system and drilling machine |
| CN111622673B (en) * | 2019-02-28 | 2021-12-28 | 中国石油化工股份有限公司 | Well drilling assisting tool |
| CN110469267B (en) * | 2019-07-31 | 2021-02-12 | 西南石油大学 | Device and method for reducing drag and increasing speed through shaft-torsion composite action in drilling process |
| CN110735597B (en) * | 2019-11-03 | 2021-02-19 | 东北石油大学 | Hydraulic drive drill bit impactor |
| CN113062686B (en) | 2019-12-16 | 2022-02-22 | 中国石油化工股份有限公司 | Drilling speed-up tool |
| CN113027331B (en) * | 2021-03-17 | 2022-02-18 | 中国石油大学(华东) | Efficient drilling system and method for breaking rock by downhole rotary percussion stepping combined unloading |
| CN113445904B (en) * | 2021-06-01 | 2022-09-13 | 温州大学激光与光电智能制造研究院 | Drilling equipment with auxiliary rotary punching mechanism |
| CN116241173B (en) * | 2023-05-09 | 2023-08-11 | 中铁第一勘察设计院集团有限公司 | Single power source impact rotary compaction drilling construction method and equipment |
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