CN107120062A - A kind of high speed impact drilling tool - Google Patents

A kind of high speed impact drilling tool Download PDF

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Publication number
CN107120062A
CN107120062A CN201710568272.5A CN201710568272A CN107120062A CN 107120062 A CN107120062 A CN 107120062A CN 201710568272 A CN201710568272 A CN 201710568272A CN 107120062 A CN107120062 A CN 107120062A
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CN
China
Prior art keywords
rotary shaft
hammer
cylindrical
chamber
connection
Prior art date
Application number
CN201710568272.5A
Other languages
Chinese (zh)
Other versions
CN107120062B (en
Inventor
张梁
周加伟
李镕成
梁政
赵勇
Original Assignee
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 CN201710568272.5A priority Critical patent/CN107120062B/en
Publication of CN107120062A publication Critical patent/CN107120062A/en
Application granted granted Critical
Publication of CN107120062B publication Critical patent/CN107120062B/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/16Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units

Abstract

The present invention relates to a kind of high speed impact drilling tool of oil and gas industry medium ground drillng operation.It solves the problem of hard formation drilling efficiency is low.Its technical scheme is:Top connection upper end and upper drilling string screwed connection, power transmission shaft lower end and drill bit screwed connection;Turbine assembly inserts power housing cavity;Thrust bearing is arranged in the raised step of power housing cavity bottom, cylindrical raised step and thrust bearing laminating in the middle part of rotary shaft;Hammer body is inserted on rotary shaft lower spline axle;Barrel bore be enclosed on hammer body it is cylindrical on, two steel balls are respectively implanted in the middle part of sleeve in two through holes, and two steel balls can be slided in the cylindrical cylindrical cam groove of hammer body;Disc spring is installed between disc spring seat and hammer anvil cylinder;Outer barrel upper end and the lower end screwed connection of power housing, outer barrel lower end cap off screwed connection with anti-.High-frequency alternating axial force can be provided while output torque of the present invention, beneficial to hard formation broken rock, hard formation drilling efficiency is improved, reduce drilling cost.

Description

A kind of high speed impact drilling tool
Technical field
The present invention relates to a kind of high speed impact drilling tool of oil and gas industry medium ground drillng operation.
Background technology
In oil and gas industry, the characteristics of drillng operation has cycle length, input is high, risk is big, technical requirements are high, And with the degree increase of resource exploitation, the exploitation of deep-well and ultradeep well is all the more important, the requirement to drilling technology is further carried It is high.With the increase of drilling depth, formation hardness and intensity are significantly improved, and the efficiency of hard formation drilling is generally relatively low, increases Drilling cost is added.
For hard formation drilling, drilling efficiency can be significantly improved by the way of percussion drilling, its mechanism of action is to allow While rock is by cutting is reversed, high-frequency alternating the pressure of the drill is born, constant the pressure of the drill drilling of conventional drilling is different from, greatly carries Drilling efficiency is risen, drilling cost is reduced.To realize the function of above-mentioned percussion drilling, it is necessary to develop special percussion drilling tool.
Based on above-mentioned technical background, the present invention is special to provide a kind of high speed impact drilling tool, and moment of torsion is being provided for drill bit Meanwhile, apply high-frequency alternating the pressure of the drill, improve drilling efficiency.
The content of the invention
The purpose of the present invention is:In order to improve hard formation drilling efficiency, spy provides a kind of high speed impact drilling tool.
In order to achieve the above object, the present invention uses following technical scheme:A kind of high speed impact drilling tool, is connect from above Head, locking cap, turbine assembly, rotary shaft, power housing, thrust bearing, hammer body, sleeve, steel ball, hammer anvil cylinder, outer barrel, disc spring, Disc spring seat, power transmission shaft and anti-cap off composition;Its architectural feature is:Under top connection upper end and upper drilling string screwed connection, power transmission shaft End and drill bit screwed connection;One step surface is set in the middle part of power housing cavity, and power housing cavity bottom sets the raised platform of a circle Rank;Turbine assembly is assembled by turbine stator vane and turbine rotor blade, and turbine assembly inserts power housing cavity;On Joint lower end and the upper end screwed connection of power housing, top connection lower surface and the tight turbine group of power housing cavity middle bench face pressure The turbine stator vane of part;Rotary shaft upper end is set to male thread, and rotary shaft top is set to Step Shaft, and rotary shaft bottom is cylindrical Splined shaft is set to, rotary shaft lower lumen is set to circumferential three inclined holes that are uniformly arranged in the middle part of blind hole, rotary shaft and connects interior exocoel Cylindrical setting raised step in the middle part of space, rotary shaft;Turbine assembly is inserted in rotary shaft upper step axle, rotary shaft upper end and locking The turbine rotor blade of cap screwed connection, locking cap and rotation shaft compression turbine assembly;Thrust bearing is arranged in power housing In the raised step of chamber bottom, cylindrical raised step and thrust bearing laminating in the middle part of rotary shaft;Hammer body inner chamber is set to spline, Hammer body is cylindrical to set one to enclose cylindrical cam groove, and the cross sectional shape of cylindrical cam groove is semicircle;Hammer body is inserted under rotary shaft On portion's splined shaft;It is circumferential in the middle part of sleeve to be uniformly arranged two through holes, barrel bore be enclosed on hammer body it is cylindrical on, two steel balls are put respectively Enter in the middle part of sleeve in two through holes, two steel balls can be slided in the cylindrical cylindrical cam groove of hammer body;Hammer anvil cylinder is one Cylindrical drum, hammer anvil jacket casing enters rotary shaft lower spline axle;Power transmission shaft lower end is set to box thread, and power transmission shaft inner chamber is set to lead to Hole, power transmission shaft upper end inner chamber is set to spline, and power transmission shaft upper end is cylindrical to be set to male thread;Disc spring seat and power transmission shaft upper end screw thread Connection, power transmission shaft top insertion rotary shaft bottom, disc spring is installed between disc spring seat and hammer anvil cylinder;One is set in the middle part of outer tube inner chamber Terrace, outer barrel upper end and the lower end screwed connection of power housing, outer barrel lower end cap off screwed connection with anti-;Outer tube inner chamber middle bench Face and power housing lower surface clamp sleeve.
The beneficial effects of the invention are as follows:(1) high-frequency alternating axial force can be provided while output torque of the present invention, beneficial to hard Stratum broken rock, improves hard formation drilling efficiency;(2) present invention is driven by drilling fluid, and power is reliable;(3) present invention uses turbine Component is as power, and rotating speed is high, and axial force alternative frequency is high, beneficial to hard formation catalase;(4) dislike pure mechanic structure, underground Dependable performance under bad operating mode.
Brief description of the drawings
Fig. 1 is the structural representation that state is hit under a kind of high speed impact drilling tool hammer body of the invention;
Fig. 2 is the structural representation that state is returned on a kind of high speed impact drilling tool hammer body of the invention;
Fig. 3 is Fig. 2A-A cross-sectional views;
Fig. 4 is Fig. 2 section B-B sectional views;
Fig. 5 is the three dimensional structure diagram of hammer body;
In figure:1. top connection, 2. locking caps, 3. turbine assemblies, 4. rotary shafts, 5. power housings, 6. thrust bearings, 7. hammers Body, 8. sleeves, 9. steel balls, 10. hammer anvils cylinder, 11. outer barrels, 12. disc springs, 13. disc springs seat, 14. power transmission shafts, 15. prevent capping off.
Embodiment
As depicted in figs. 1 and 2, a kind of high speed impact drilling tool, is by top connection 1, locking cap 2, turbine assembly 3, rotation Rotating shaft 4, power housing 5, thrust bearing 6, hammer body 7, sleeve 8, steel ball 9, hammer anvil cylinder 10, outer barrel 11, disc spring 12, disc spring seat 13, Power transmission shaft 14 caps off 15 compositions with anti-;Its architectural feature is:Under the upper end of top connection 1 and upper drilling string screwed connection, power transmission shaft 14 End and drill bit screwed connection;One step surface is set in the middle part of the inner chamber of power housing 5, and the inner chamber bottom of power housing 5 sets a circle raised Step;Turbine assembly 3 is assembled by turbine stator vane and turbine rotor blade, and turbine assembly 3 is inserted in power housing 5 Chamber;The lower end of top connection 1 and the upper end screwed connection of power housing 5, the lower surface of top connection 1 and the inner chamber middle bench face of power housing 5 Compress the turbine stator vane of turbine assembly 3;The upper end of rotary shaft 4 is set to male thread, and the top of rotary shaft 4 is set to Step Shaft, The bottom of rotary shaft 4 is cylindrical to be set to splined shaft, and the lower lumen of rotary shaft 4 is set to blind hole, and the middle part of rotary shaft 4 is circumferential to be uniformly arranged The inside and outside cavity space of three inclined holes connection, the middle part of rotary shaft 4 is cylindrical to set one to enclose raised step;Turbine assembly 3 is inserted in the top of rotary shaft 4 Step Shaft, the upper end of rotary shaft 4 and the screwed connection of locking cap 2, locking cap 2 and rotary shaft 4 compress the turbine rotor leaf of turbine assembly 3 Piece;Thrust bearing 6 is arranged in the raised step of the inner chamber bottom of power housing 5, the cylindrical raised step in the middle part of rotary shaft 4 and is pushed away Power bearing 6 is fitted;As shown in figure 5, the inner chamber of hammer body 7 is set to spline, hammer body 7 is cylindrical to set one to enclose cylindrical cam groove, cylinder The cross sectional shape of cam groove is semicircle;As shown in figure 3, hammer body 7 is inserted on the lower spline axle of rotary shaft 4, the middle part of sleeve 8 week To being uniformly arranged two through holes, the inner chamber of sleeve 8 be enclosed on hammer body 7 it is cylindrical on, two steel balls 9 are respectively implanted two, the middle part of sleeve 8 and led to In hole, two steel balls 9 can be slided in the cylindrical cylindrical cam groove of hammer body 7;Hammer anvil cylinder 10 is a cylindrical drum, hammer anvil cylinder 10 are inserted in the lower spline axle of rotary shaft 4;The lower end of power transmission shaft 14 is set to box thread, and the inner chamber of power transmission shaft 14 is set to through hole, transmission The upper end inner chamber of axle 14 is set to spline, and the upper end of power transmission shaft 14 is cylindrical to be set to male thread;As shown in figure 4, disc spring seat 13 and transmission The upper end screwed connection of axle 14, the top of power transmission shaft 14 insertion rotary shaft 4 bottom;Disc spring is installed between disc spring seat 13 and hammer anvil cylinder 10 12;One step surface, the upper end of outer barrel 11 and the lower end screwed connection of power housing 5 be set in the middle part of the inner chamber of outer barrel 11, the lower end of outer barrel 11 and It is anti-to cap off 15 screwed connections;The inner chamber middle bench face of outer barrel 11 and the lower surface clamp sleeve 8 of power housing 5.
A kind of operation principle of high speed impact drilling tool of invention is:Turn on pump circulating fluid, turbine assembly 3 Driving rotary shaft 4 rotates at a high speed;The lower spline axle of rotary shaft 4 driving hammer body 7 rotates, and hammer body 7 does axial direction in the presence of steel ball 9 High-frequency reciprocating is moved, and hammer anvil cylinder 10 is hammered repeatedly;Hammer anvil cylinder 10 is using disc spring 12, disc spring seat 13 high-frequency alternating axial force transmission To power transmission shaft 14, it is ultimately applied on drill bit;The power transmission shaft 14 of the driving of rotary shaft 4 simultaneously rotates at a high speed.

Claims (1)

1. a kind of high speed impact drilling tool, is by top connection (1), locking cap (2), turbine assembly (3), rotary shaft (4), power Housing (5), thrust bearing (6), hammer body (7), sleeve (8), steel ball (9), hammer anvil cylinder (10), outer barrel (11), disc spring (12), disc spring Seat (13), power transmission shaft (14) and anti-cap off (15) are constituted;It is characterized in that:Top connection (1) upper end and upper drilling string screwed connection, Power transmission shaft (14) lower end and drill bit screwed connection;One step surface, power housing (5) inner chamber are set in the middle part of power housing (5) inner chamber Bottom sets one to enclose raised step;Turbine assembly (3) is assembled by turbine stator vane and turbine rotor blade, turbine group Part (3) inserts power housing (5) inner chamber;Top connection (1) lower end and power housing (5) upper end screwed connection, top connection (1) lower end Face and the turbine stator vane of power housing (5) the tight turbine assembly of inner chamber middle bench face pressure (3);Rotary shaft (4) upper end is set For male thread, rotary shaft (4) top is set to Step Shaft, and rotary shaft (4) bottom is cylindrical to be set under splined shaft, rotary shaft (4) Portion inner chamber is set to circumferential in the middle part of blind hole, rotary shaft (4) be uniformly arranged in the middle part of the inside and outside cavity space of three inclined holes connection, rotary shaft (4) It is cylindrical to set one to enclose raised step;Turbine assembly (3) is inserted in rotary shaft (4) upper step axle, rotary shaft (4) upper end and locking cap (2) screwed connection, locking cap (2) and rotary shaft (4) compress the turbine rotor blade of turbine assembly (3);Thrust bearing (6) is installed In the raised step of power housing (5) inner chamber bottom, cylindrical raised step and thrust bearing (6) patch in the middle part of rotary shaft (4) Close;Hammer body (7) inner chamber is set to spline, and hammer body (7) is cylindrical to set one to enclose cylindrical cam groove, the section shape of cylindrical cam groove Shape is semicircle;Hammer body (7) is inserted on rotary shaft (4) lower spline axle;It is circumferential in the middle part of sleeve (8) to be uniformly arranged two through holes, Sleeve (8) inner chamber be enclosed on hammer body (7) it is cylindrical on, two steel balls (9) are respectively implanted in the middle part of sleeve (8) in two through holes, two steel Ball (9) can be slided in the cylindrical cylindrical cam groove of hammer body (7);Hammer anvil cylinder (10) is a cylindrical drum, hammer anvil cylinder (10) It is inserted in rotary shaft (4) lower spline axle;Power transmission shaft (14) lower end is set to box thread, and power transmission shaft (14) inner chamber is set to through hole, Power transmission shaft (14) upper end inner chamber is set to spline, and power transmission shaft (14) upper end is cylindrical to be set to male thread;Disc spring seat (13) and transmission Axle (14) upper end screwed connection, power transmission shaft (14) top insertion rotary shaft (4) bottom, between disc spring seat (13) and hammer anvil cylinder (10) Disc spring (12) is installed;One step surface is set in the middle part of outer barrel (11) inner chamber, and outer barrel (11) upper end and power housing (5) lower end screw thread connect Connect, outer barrel (11) lower end caps off (15) screwed connection with anti-;Outer barrel (11) inner chamber middle bench face and power housing (5) lower surface Clamp sleeve (8).
CN201710568272.5A 2017-07-13 2017-07-13 A kind of high speed impact drilling tool CN107120062B (en)

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Application Number Priority Date Filing Date Title
CN201710568272.5A CN107120062B (en) 2017-07-13 2017-07-13 A kind of high speed impact drilling tool

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CN107120062A true CN107120062A (en) 2017-09-01
CN107120062B CN107120062B (en) 2018-12-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107503678A (en) * 2017-10-24 2017-12-22 西南石油大学 Novel axial percussion tool based on turbine and cam

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1740602A1 (en) * 1989-05-22 1992-06-15 Сургутское отделение Западно-Сибирского научно-исследовательского и проектно-конструкторского института технологии глубокого разведочного бурения Downhole motor stabilizer
CN201554363U (en) * 2009-12-20 2010-08-18 西南石油大学 Turbine type torsion impact drilling tool for hard formation
CA2800033A1 (en) * 2010-05-25 2011-12-01 Flexidrill Limited Enhanced vibrational or hammering apparatus
CN104632072A (en) * 2014-11-28 2015-05-20 西南石油大学 Underground vibration impact tool based on turbine and double helix ball screw
CN205154008U (en) * 2015-10-28 2016-04-13 中威联合国际能源服务有限公司 Dish spring formula drilling tool that spins
CN105927147A (en) * 2016-07-05 2016-09-07 西南石油大学 Speed raising tool for percussion drilling and method
CN105927144A (en) * 2016-04-21 2016-09-07 西南石油大学 Down-hole speed increasing tool with axial impact function

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1740602A1 (en) * 1989-05-22 1992-06-15 Сургутское отделение Западно-Сибирского научно-исследовательского и проектно-конструкторского института технологии глубокого разведочного бурения Downhole motor stabilizer
CN201554363U (en) * 2009-12-20 2010-08-18 西南石油大学 Turbine type torsion impact drilling tool for hard formation
CA2800033A1 (en) * 2010-05-25 2011-12-01 Flexidrill Limited Enhanced vibrational or hammering apparatus
CN104632072A (en) * 2014-11-28 2015-05-20 西南石油大学 Underground vibration impact tool based on turbine and double helix ball screw
CN205154008U (en) * 2015-10-28 2016-04-13 中威联合国际能源服务有限公司 Dish spring formula drilling tool that spins
CN105927144A (en) * 2016-04-21 2016-09-07 西南石油大学 Down-hole speed increasing tool with axial impact function
CN105927147A (en) * 2016-07-05 2016-09-07 西南石油大学 Speed raising tool for percussion drilling and method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107503678A (en) * 2017-10-24 2017-12-22 西南石油大学 Novel axial percussion tool based on turbine and cam

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Granted publication date: 20181221

Termination date: 20190713