CN203430420U - Novel torque percussion drilling tool - Google Patents

Novel torque percussion drilling tool Download PDF

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Publication number
CN203430420U
CN203430420U CN201320528810.5U CN201320528810U CN203430420U CN 203430420 U CN203430420 U CN 203430420U CN 201320528810 U CN201320528810 U CN 201320528810U CN 203430420 U CN203430420 U CN 203430420U
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China
Prior art keywords
helical blade
valve core
drill bit
drilling tool
hydro
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201320528810.5U
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Chinese (zh)
Inventor
杨明合
田波
张松峰
左惠明
冯进
夏宏南
杨颉
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杨明合
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Priority to CN201320528810.5U priority Critical patent/CN203430420U/en
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Publication of CN203430420U publication Critical patent/CN203430420U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a novel torque percussion drilling tool, and belongs to the technical field of well drilling corollary equipment in the oil industry. The novel torque percussion drilling tool is composed of an outer barrel, a rotary power assembly, a torque impact assembly and a drill bit adapter. The upper end adapter of the outer barrel is provided with API oil threads, the rotary power assembly and the torque impact assembly are sequentially arranged in a cavity of the outer barrel from top to bottom, and the drill bit adapter is arranged at the lower end of the outer barrel. According to the novel torque percussion drilling tool, spiral blades are used for providing power, converting fluid energy of drilling fluid into torsional high-frequency impact energy and directly transmitting the impact energy to a PDC drill bit; the structure is simple, the number of parts prone to being damaged is small, and the novel torque percussion drilling tool is free of limitation of well drilling geological complex circumstances; torsional high-frequency impact can be exerted on the drill bit, the stick-slip vibration phenomenon of the drill bit can be obviously reduced, and the rate of penetration and well drilling comprehensive economic benefits can be greatly improved; the stick-slip vibration phenomenon is eliminated greatly, the rate of penetration is improved, the service life of the drill bit and a drill tool assembly is prolonged, and the novel torque percussion drilling tool will not influence the use performance of the drill tool assembly after being connected with the drill bit.

Description

A kind of novel torsion percussion drilling tool
Technical field
The utility model relates to a kind of novel torsion percussion drilling tool, belongs to petroleum industry drilling well industry drilling well corollary equipment technical field.
Background technology
PDC drill bit shearing-crushing stratum continuously under normal drilling condition, and while beating hard, consolidating stratum with PDC drill bit, conventionally do not have enough moments of torsion to carry out broken formation rock, thus drill bit moment is stopped operating.At this moment, torque energy just starts to assemble in drill string, will sudden outburst when the torque energy in drill string reaches certain value out, drill bit will, with the broken rock of a higher rotating speed, produce the stick-slip oscillation phenomenon in PDC drill bit drilling process.Laboratory test and field practice all show, this stick-slip vibration is to cause one of key factor that drill bit lost efficacy and drilling efficiency is low, can directly damage the application life of PDC cutting teeth, reduction drill bit and lower drilling tool.
The patent of abroad researching and developing for drill bit " stick-slip " oscillation phenomenon at present mainly contains the U.S., Canada, and the relevant units such as domestic Southwest Petrol University, Chinese Petroleum Univ. and China Petrochemical Industry's Shengli Oil Field also proposed application.But the domestic example that also there is no successful Application up till now.
Summary of the invention
The purpose of this utility model is, provide a kind of fluid energy by drilling fluid to convert to turn round to, impact energy high frequency, uniform and stable, and be directly passed to PDC drill bit, make drill bit not need to wait for that the enough torsion energy of savings just can cut stratum, the stick-slip oscillation phenomenon producing because of moment of torsion deficiency while avoiding drill bit to creep into, the life-span of improving rate of penetration, prolongation drill bit and bottomhole assembly.And structure is little, after being connected with drill bit, can not affect the novel torsion percussion drilling tool of drilling assembly functional performance.
The utility model is to realize by the following technical solutions above-mentioned purpose:
This novel torsion percussion drilling tool impacts assembly by urceolus, rotary power assembly, torsion and bit adapter forms, urceolus upper end joint is with standard A PI petroleum thread, it is characterized in that: rotary power assembly is installed outer tube inner chamber from top to bottom successively and torsion impacts assembly, and bit adapter is equipped with in lower end; Described rotary power assembly forms by braking short circuit, spring, thrust bearing, guide ring, helical blade, thrust base, inner core, thrust bearing pair, helical blade axis, bearing shell, brake axle; Bearing shell and helical blade are arranged on helical blade axis, between braking short circuit and inner core, lay spring and thrust bearing, thrust bearing pair is laid in thrust base lower end, and brake axle is threaded with helical blade axis, and thrust base is threaded with helical blade axis; Described torsion impacts assembly and is comprised of working chamber upper cover, rotational valve core, Hydro-efflux Hammer, anvil block and gasket seal; Hydro-efflux Hammer is connected with bit adapter by spline, and the tup of Hydro-efflux Hammer is arranged in the working chamber of anvil block, and working chamber upper cover is connected with the upper end of anvil block by screw; Bit adapter is connected with the lower end of urceolus with steel ball by spline, with the nozzle base of central nozzle, with spline form, is connected with bit adapter.
The turbine section that the rotary power of described rotational valve core is comprised of guide ring and helical blade provides, and the fluid thrust base of flowing through after by turbine section directly enters rotational valve core, and helical blade rotates together with rotational valve core with thrust base.
The annular space that described rotational valve core outside is formed rotational valve core and Hydro-efflux Hammer medial surface by two outstanding sliders is isolated into independently space of two of low pressure chamber and high pressure chests: when rotational valve core rotation is in the time of one week, low pressure chamber and high pressure chest are alternately connected with working chamber, force anvil block to swing back and forth once around center.
Described rotational valve core and central nozzle are floating assembly, between the two, by clearance seal, do not transmit axial load.
Described Hydro-efflux Hammer and bit adapter pass through spline joint.In the space that anvil block indent forms, by the tup of Hydro-efflux Hammer, be divided into two working chambers independent of each other, during work, Hydro-efflux Hammer maintains static, when rotational valve core rotates one week, once, anvil block swings back and forth once around center, completes positive and negative twice collision with Hydro-efflux Hammer in high-low pressure exchange in working chamber.
When the drill bit on described bit adapter is lifted from shaft bottom, brake axle combines with braking short circuit under the effect of spring, helical blade braking; When the drill bit on bit adapter normally creeps into, the active force of the pressure of the drill makes spring-compressed, and brake axle and braking short circuit are thrown off, helical blade normal rotation.
The utility model beneficial effect is compared with prior art:
This novel torsion percussion drilling tool provides power by helical blade, can dexterously the fluid energy of drilling fluid be converted to turn round to, impact energy high frequency, uniform and stable, be directly passed to PDC drill bit, simple in structure, rapid wear original paper is few, not limited by drilling geology complex situations; And can to drill bit apply turn round to high-frequency percussion, can significantly improve the stick-slip oscillation phenomenon of drill bit, can significantly improve rate of penetration and drilling well comprehensive technology economic benefit.Greatly eliminate stick-slip oscillation phenomenon, improved rate of penetration, extended life-span of drill bit and bottomhole assembly, after being connected with drill bit, can not affect the functional performance of drilling assembly.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of novel torsion percussion drilling tool;
Fig. 2 is A-A cross-sectional view of Fig. 1;
Fig. 3 is B-B cross-sectional view of Fig. 1.
In figure: 1, urceolus, 2, braking short circuit, 3, spring, 4, thrust bearing, 5, guide ring, 6, helical blade, 7, thrust base, 8, inner core, 9, working chamber upper cover, 10, anvil block, 11, gasket seal, 12, O-ring seal, 13, steel ball, 14, bit adapter, 15, joint chamber, 16, nozzle base, 17, central nozzle, 18, Hydro-efflux Hammer, 19, working chamber, 20, central space, 21, rotational valve core, 22, thrust bearing is secondary, 23, thrust base pod apertures, 24, helical blade axis, 25, bearing shell, 26, brake axle, 27, low pressure chamber, 28, high pressure chest, 29, Hydro-efflux Hammer pod apertures, 30, rotational valve core pressure guide hole, 31, tup, 32, urceolus spline, 33, urceolus gap, 34, bit adapter spline, 35, bit adapter spline gap.
The specific embodiment
This novel torsion percussion drilling tool impacts assembly by urceolus 1, rotary power assembly, torsion and bit adapter 14 forms, urceolus 1 upper end joint is with standard A PI petroleum thread, it is characterized in that: rotary power assembly is installed urceolus 1 inner chamber from top to bottom successively and torsion impacts assembly, and bit adapter 14 is equipped with in lower end.Described rotary power assembly forms by braking short circuit 2, spring 3, thrust bearing 4, guide ring 5, helical blade 6, thrust base 7, inner core 8, thrust bearing pair 22, helical blade axis 24, bearing shell 25, brake axle 26.Bearing shell 25 and helical blade 6 are arranged on helical blade axis 24, between braking short circuit 2 and inner core 8, lay spring 3 and thrust bearing 4, thrust bearing pair 22 is laid in thrust base 7 lower ends, brake axle 26 is threaded with helical blade axis 24, thrust base 7 is threaded with helical blade axis 24, and is connected with rotational valve core 21 with spline form.Described torsion impacts assembly and is comprised of working chamber upper cover 9, rotational valve core 21, Hydro-efflux Hammer 18, anvil block 10 and gasket seal 11; Hydro-efflux Hammer 18 is connected with bit adapter 14, and the tup 31 of Hydro-efflux Hammer 18 is arranged in the working chamber 19 of anvil block 10, and working chamber upper cover 9 is connected with the upper end of anvil block 10 by screw.Bit adapter 14 is connected with the lower end of urceolus 1 with steel ball 13 by spline, and bit adapter 14 tops are provided with O-ring seal 12; Nozzle base 16 with central nozzle 17 is connected with bit adapter 14 with spline form.Bit adapter internal whorl can be connected with drill bit (referring to accompanying drawing 1~3).
The turbine section that the rotary power of described rotational valve core 21 is comprised of guide ring 5 and helical blade 6 provides, and the fluid thrust base 7 of flowing through after by turbine section directly enters rotational valve core 21, and helical blade 6 rotates together with rotational valve core 21 with thrust base 7.
The annular space that described rotational valve core 21 outsides are formed rotational valve core 21 and Hydro-efflux Hammer 18 medial surfaces by two outstanding sliders is isolated into independently space of 28 two of low pressure chamber 27 and high pressure chests: when rotational valve core 21 rotates one week, low pressure chamber 27 and high pressure chest 28 are alternately connected with working chamber 19, force anvil block 10Rao center to swing back and forth once.
Described rotational valve core 21 and central nozzle 17 are floating assembly, between the two, by clearance seal, do not transmit axial load.
Described Hydro-efflux Hammer 18 and bit adapter 14 pass through spline joint.In the space forming in anvil block 10 indents, tup 31 by Hydro-efflux Hammer 18 is divided into two working chambers 19 independent of each other, during work, Hydro-efflux Hammer 18 maintains static, when rotational valve core 21 rotates one week, high-low pressure exchange in working chamber 19 once, anvil block 10Rao center swings back and forth once, completes positive and negative twice collision with Hydro-efflux Hammer 18.
When the drill bit on described bit adapter 14 is lifted from shaft bottom, brake axle 26 combines with braking short circuit 2 under the effect of spring 3, helical blade 6 brakings; When the drill bit on bit adapter 14 normally creeps into, the active force of the pressure of the drill makes spring 3 compressions, and brake axle 26 and braking short circuit 2 are thrown off, helical blade 6 normal rotation.
This novel torsion percussion drilling tool operating principle is as follows:
During work, drill string drives urceolus 1 rotation, and urceolus spline 32 and bit adapter spline 34 coordinate, and drive the bit on bit adapter 14; High-pressure fluid is through guide ring 5, drive helical blade 6 rotate and produce moment of torsion, then enter central space 20, finally by central nozzle 17, flow out and arrive drill bit place, moment of torsion passes to rotational valve core 21 by helical blade axis 24 and thrust base 7, and rotational valve core 21 is constantly rotated; The high pressure chest 28 of rotational valve core 21 is communicated with central space 20 by rotational valve core pressure guide hole 30, and 27 of low pressure chamber are communicated with joint chamber 15; During rotational valve core 21 rotation, high-pressure fluid in high pressure chest 28 enters one side of working chamber 19 by Hydro-efflux Hammer pod apertures 29, the another side of working chamber 19 is communicated with low pressure chamber 27, tup 31 both sides pressure reduction change and promote anvil block 10 rotations, and impinge upon and on tup 31, produce torsion and impact, Hydro-efflux Hammer 18 is impacted torsion to pass to bit adapter 14 by spline, finally acts on drill bit; Under the driving of fluid, rotational valve core 21 constantly rotates, and working chamber 19 fluid pressure cyclically-varyings interact Hydro-efflux Hammer 18 and anvil block 10 and produce periodic torsion impact, finally drill bit are produced to high frequency torsion percussion.When drill bit is lifted from shaft bottom, under the effect of spring 3, brake axle 26, helical blade axis 24 and thrust base 7 produce certain displacement, and braking short circuit 2 combines with brake axle 26, and rotational valve core 21 stops operating.While normally creeping into, thrust bearing 4 Compress Springs 3, brake axle 26 and braking short circuit 2 depart from, and helical blade axis 24 recovers rotation, drives rotational valve core 21 to start rotation.As shown in Figure 3, this instrument urceolus 1 lower end is evenly equipped with the urceolus spline 32 of four 40 °, forms the urceolus gap 33 of four 50 °; Bit adapter 14 also has the bit adapter spline 34 of four 40 °, and annular array, on bit adapter 14 end faces, forms the bit adapter gap 35 of four 50 °.
The above is preferred embodiment of the present utility model, above-mentioned not illustrating done any pro forma restriction to flesh and blood of the present utility model, any simple modification or distortion that person of an ordinary skill in the technical field has done the above specific embodiment according to technical spirit of the present utility model after having read this manual, and the technology contents that may utilize above-mentioned announcement is changed or is modified to the equivalent embodiment of equivalent variations, all still belong in the scope of technical solutions of the utility model, and do not deviate from essence of the present utility model and scope.

Claims (6)

1. a novel torsion percussion drilling tool, it by urceolus (1), rotary power assembly, torsion, impacts assembly and bit adapter (14) forms, urceolus (1) upper end joint is with standard A PI petroleum thread, it is characterized in that: rotary power assembly is installed urceolus (1) inner chamber from top to bottom successively and torsion impacts assembly, and bit adapter (14) is equipped with in lower end; Described rotary power assembly by braking short circuit (2), spring (3), thrust bearing (4), guide ring (5), helical blade (6), thrust base (7), inner core (8), thrust bearing secondary (22), helical blade axis (24), bearing shell (25), brake axle (26) forms; Bearing shell (25) and helical blade (6) are arranged on helical blade axis (24), between braking short circuit (2) and inner core (8), lay spring (3) and thrust bearing (4), thrust bearing pair (22) is laid in thrust base (7) lower end, brake axle (26) is threaded with helical blade axis (24), and thrust base (7) is threaded with helical blade axis (24); Described torsion impacts assembly and is comprised of working chamber upper cover (9), rotational valve core (21), Hydro-efflux Hammer (18), anvil block (10) and gasket seal (11); Hydro-efflux Hammer (18) is connected with bit adapter (14), and the tup (31) of Hydro-efflux Hammer (18) is arranged in the working chamber (19) of anvil block (10), and working chamber upper cover (9) is connected with the upper end of anvil block (10) by screw; Bit adapter (14) is connected with the lower end of urceolus (1) with steel ball (13) by spline, with the nozzle base (16) of central nozzle (17), with spline form, is connected with bit adapter (14).
2. a kind of novel torsion percussion drilling tool according to claim 1, it is characterized in that: the turbine section that the rotary power of described rotational valve core (21) is comprised of guide ring (5) and helical blade (6) provides, the fluid thrust base (7) of flowing through after by turbine section directly enters rotational valve core (21), and helical blade (6) and thrust base (7) rotate together in company with rotational valve core (21).
3. a kind of novel torsion percussion drilling tool according to claim 1, it is characterized in that: the annular space that described rotational valve core (21) outside is formed rotational valve core (21) and Hydro-efflux Hammer (18) medial surface by two outstanding sliders is isolated into independently space of (28) two of low pressure chamber (27) and high pressure chests: when rotational valve core (21) rotates one week, low pressure chamber (27) and high pressure chest (28) are alternately connected with working chamber (19), force anvil block (10) to swing back and forth once around center.
4. a kind of novel torsion percussion drilling tool according to claim 1, is characterized in that: described rotational valve core (21) and central nozzle (17) are floating assembly, between the two, by clearance seal, does not transmit axial load.
5. a kind of novel torsion percussion drilling tool according to claim 1, is characterized in that: described Hydro-efflux Hammer (18) and bit adapter (14) pass through spline joint; In the space forming in anvil block (10) indent, tup (31) by Hydro-efflux Hammer (18) is divided into two working chambers independent of each other (19), Hydro-efflux Hammer during work (18) maintains static, when rotational valve core (21) rotates one week, high-low pressure exchange in working chamber (19) once, anvil block (10) swings back and forth once around center, completes positive and negative twice collision with Hydro-efflux Hammer (18).
6. a kind of novel torsion percussion drilling tool according to claim 1, it is characterized in that: when the drill bit on described bit adapter (14) is lifted from shaft bottom, brake axle (26) under the effect of spring (3) and braking short circuit (2) combine, helical blade (6) braking; When the drill bit on bit adapter (14) normally creeps into, the active force of the pressure of the drill makes spring (3) compression, and brake axle (26) and braking short circuit (2) are thrown off, helical blade (6) normal rotation.
CN201320528810.5U 2013-08-28 2013-08-28 Novel torque percussion drilling tool Expired - Fee Related CN203430420U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320528810.5U CN203430420U (en) 2013-08-28 2013-08-28 Novel torque percussion drilling tool

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Application Number Priority Date Filing Date Title
CN201320528810.5U CN203430420U (en) 2013-08-28 2013-08-28 Novel torque percussion drilling tool

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104499936A (en) * 2014-12-09 2015-04-08 山东国岳金刚石制品有限公司 Torsional rotary impact drilling tool
CN105156027A (en) * 2015-10-01 2015-12-16 中国石油集团西部钻探工程有限公司 Torsion impact speed accelerating device
CN106150348A (en) * 2015-04-09 2016-11-23 中国石油化工股份有限公司 A kind of mechanical type torsional impact drilling tool
CN107842307A (en) * 2017-11-24 2018-03-27 中石化石油工程技术服务有限公司 A kind of drilling well torsion impact device and method
CN108166921A (en) * 2016-12-07 2018-06-15 中国石油天然气集团公司 Drill hammer
CN109779520A (en) * 2018-07-27 2019-05-21 中国石油大学(华东) A kind of pulse type spiral percussion drilling tool

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104499936A (en) * 2014-12-09 2015-04-08 山东国岳金刚石制品有限公司 Torsional rotary impact drilling tool
CN106150348A (en) * 2015-04-09 2016-11-23 中国石油化工股份有限公司 A kind of mechanical type torsional impact drilling tool
CN106150348B (en) * 2015-04-09 2018-04-10 中国石油化工股份有限公司 A kind of mechanical torsional impact drilling tool
CN105156027A (en) * 2015-10-01 2015-12-16 中国石油集团西部钻探工程有限公司 Torsion impact speed accelerating device
CN105156027B (en) * 2015-10-01 2017-08-22 中国石油集团西部钻探工程有限公司 Torsion impact speed enhancing apparatus
US10538968B2 (en) 2015-10-01 2020-01-21 Cnpc Xibu Drilling Engineering Company Limited Torsion impact speed acceleration device
CN108166921A (en) * 2016-12-07 2018-06-15 中国石油天然气集团公司 Drill hammer
CN108166921B (en) * 2016-12-07 2019-10-11 中国石油天然气集团公司 Drill hammer
CN107842307A (en) * 2017-11-24 2018-03-27 中石化石油工程技术服务有限公司 A kind of drilling well torsion impact device and method
CN109779520A (en) * 2018-07-27 2019-05-21 中国石油大学(华东) A kind of pulse type spiral percussion drilling tool

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140212

Termination date: 20140828

EXPY Termination of patent right or utility model