CN108222818A - A kind of integration, which is turned round, rushes mud motor - Google Patents
A kind of integration, which is turned round, rushes mud motor Download PDFInfo
- Publication number
- CN108222818A CN108222818A CN201810005493.6A CN201810005493A CN108222818A CN 108222818 A CN108222818 A CN 108222818A CN 201810005493 A CN201810005493 A CN 201810005493A CN 108222818 A CN108222818 A CN 108222818A
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- assembly
- pendulum
- ring attachment
- rushes
- platen
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- 230000010354 integration Effects 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract description 4
- 230000035939 shock Effects 0.000 description 15
- 238000005553 drilling Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
A kind of integration of the present invention, which is turned round, rushes mud motor, and assembly, drive assembly are rushed including bypass and anti-lost assembly, power assembly, torsion.Bypass assembly top connects drill string, and the top connection of assembly is taken over control in lower part；Anti-lost assembly lower part connects the top connection of power assembly；Torsion rushes assembly top and is connected with power assembly lower part, and lower part is connected with drive assembly top；Drive assembly top connects inward turning cylinder and the outer housing turned round and rushed in assembly, and lower part connects drill bit.The present invention increases torsion inside helicoid hydraulic motor assembly and rushes assembly, neither influences the normal work of screw rod assembly and circumferential dynamic impact problem can also be provided for screw rod assembly, can improve drill bit efficiency of breaking rock and reduce drillstring vibrations.
Description
Technical field
The present invention relates to a kind of oil and gas industry drilling engineering technical field, particularly a kind of integration, which is turned round, rushes underground
Power drilling tool.
Background technology
In oil and gas exploitation, oil drilling increasingly develops to deep formation.Increase ground with the depth of drilling well
Layer structure is more complicated, and the time being drilled needed for a well is elongated.In order to reduce drilling cost and reduce the drillng operation time, bore
Well tradesman has successively invented many drilling speed tools, such as axial impact device, circumferential impactor etc..These speed-raising tools exist
Respective effect is all given play in the actual use in many oil fields, but there is also many problems.
Impactor is often the tool of an auxiliary rock in drilling process, it provides axial or circumferential for drill bit
Impact force, but provide the major part of power still by the turntable on ground or underground helicoid hydraulic motor, turbodrill etc..Mesh
The technology of preceding impactor is not mature enough, and the service life is shorter, and reliability is not high.Impactor once fails during actual well drilled,
It will influence whether other mud motors.In order to solve problem above, propose that a kind of integration torsion is rushed underground and moved hereby
Power drilling tool, with technological deficiency more than solution.
Invention content
The present invention provides a kind of integration torsion and rushes mud motor, to improve drill bit broken rock speed and reduce drill string stick-slip
Vibration.
The present invention provides a kind of integration torsion and rushes mud motor, including bypass and anti-lost assembly, power assembly, turns round punching
Assembly, drive assembly.It is described torsion rush assembly by platen, upper pendulum, upper ring attachment, lower pendulum, lower ring attachment, inward turning cylinder, rotor,
Long pin shaft, outer housing, universal shaft, water cap, pin composition.The bypass and anti-lost assembly top connect drill string, and it is total that lower part connects power
Into top connection；The power assembly lower part connects the top connection turned round and rush assembly, and the torsion rushes assembly lower part and connects the upper of drive assembly
Connector；The lower part of the drive assembly connects drill bit.
The beneficial effects of the invention are as follows：Torsion is increased inside mud motor and rushes assembly, neither influences screw rod assembly
Normal work circumferential dynamic impact problem can also be provided for screw rod assembly, be conducive to improve drill bit efficiency of breaking rock and reduce drill string
Vibration.Since torsion is rushed, assembly structure is compact, axial dimension is smaller, so will not be brought to mud motor axial dimension big
Increase.
Further, pin hole I is provided at the platen and upper loose-leaf ring combined face, the platen is provided with platen hole
Ⅱ。
Further, the upper pendulum is provided with II-F of pendulum hole.
Further, the upper ring attachment upper surface and lower face are provided with pin hole I, and the upper ring attachment is provided with loose-leaf
II-G of hole, the upper ring attachment are provided with split ring III.
Further, the platen top is suspended in outer housing, and the platen is connect with upper ring attachment using pin, described
Platen is with upper pendulum using axis connection of having strong market potential；The upper pendulum is with upper ring attachment using axis connection of having strong market potential；After installing, platen with
Upper ring attachment is fixed, and upper pendulum can be rotated around long pin shaft.
Advantageous effect using above-mentioned further technical solution is：Upper pendulum can be rotated around long pin shaft, and upper pendulum can
With to being tapped at upper ring attachment split ring III.
Further, the lower pendulum is provided with II-F of pendulum hole.
Further, the lower ring attachment upper surface is provided with pin hole I with lower face, and the lower ring attachment is provided with loose-leaf
II-G of hole, the lower ring attachment are provided with split ring III.
Further, the lower pendulum and upper ring attachment are using axis connection of having strong market potential, and after installing, lower pendulum can be around having strong market potential
Shaft rotation is moved；The lower ring attachment is connect with upper ring attachment using pin, fixed after installing；The lower pendulum is adopted with lower ring attachment
It is connected with pin, it is fixed after installation.
Advantageous effect using above-mentioned further technical solution is：Lower pendulum can be rotated around long pin shaft, and lower pendulum can
With to being tapped at lower ring attachment split ring III.
Further, the long pin shaft passes through the platen hole on platen, upper pendulum, upper ring attachment, lower pendulum, lower ring attachment
II, II-F of pendulum hole, II-G of loose leaf hole connects platen, upper pendulum, upper ring attachment, lower pendulum, lower ring attachment one by one.
Further, the inward turning cylinder upper surface is provided with pin hole I, and the inward turning cylinder upper surface sets locating slot IV, institute
It states inward turning cylinder lower part and is provided with internal thread；The inward turning cylinder is connect with lower ring attachment using pin, fixed after installation；It is described to have strong market potential
Axis is positioned using the locating slot IV of inward turning cylinder upper surface.
Advantageous effect using above-mentioned further technical solution is：Upper pendulum can be rotated with lower pendulum around long pin shaft, and
Upper pendulum and lower pendulum are respectively positioned in upper ring attachment and lower ring attachment by long pin shaft；Platen hole II, II-F of pendulum hole, loose-leaf
II-G of hole connects platen, upper pendulum, upper ring attachment, lower pendulum, lower ring attachment one by one, and in long pin shaft is accurately positioned at
It revolves on cylinder locating slot IV.
Further, the axis of the rotor and upper pendulum has certain parallel spacing, the axis of the rotor and lower pendulum
There is certain parallel spacing；The rotor lower part is provided with conical internal thread；The universal shaft top is provided with conical external screw thread,
The universal shaft lower part is provided with conical external screw thread；The rotor lower part uses with universal shaft top and is threadedly coupled.
Further, the water cap top is provided with conical internal thread, and the water cap lower part is provided with external screw thread, the water cap
Lower part is provided with internal thread；The water cap top uses with universal shaft lower part and is threadedly coupled；Under the water cap lower part and inward turning cylinder
Portion is using threaded connection.
Advantageous effect using above-mentioned further technical solution is：Using rotor the upper pendulum of eccentric revolution motion driving with
Lower pendulum reciprocating rotation in certain angle around long pin shaft, it is past to being carried out at upper ring attachment and lower ring attachment split ring III respectively
It is multiple to tap.
Further, the transmission shaft top is provided with external screw thread, and the transmission shaft top is connected with water cap lower part using screw thread
It connects；The shell upper of the drive assembly is provided with external screw thread.
Further, the outer housing top is provided with conical external screw thread, and the outer housing lower part is provided with conical internal thread；
With power assembly using being threadedly coupled, the shell upper of the outer housing lower part and drive assembly uses spiral shell on the outer housing top
Line connects.
Advantageous effect using above-mentioned further technical solution is：The present invention utilizes rotor in practical work process
The revolution of planetary motion drives upper pendulum, lower pendulum in the range of certain angle around long pin shaft reciprocating rotation, respectively realization pair
Upper ring attachment, the circumferential of lower ring attachment tap, so as to fulfill torsional pulse；Inward turning cylinder lower part uses with water cap and is threaded in one
It rises, is done rotation movement together with water cap, so as to make to follow suit rotation with the part that inward turning cylinder is connected；At this point, it revolves round the sun to rotor
Utilization can't influence the normal rotation of its rotation.
Description of the drawings
Fig. 1 is that mud motor structure diagram is rushed in a kind of integration torsion of the present invention；
Fig. 2 is to turn round to rush the three-dimensional explosive view of assembly critical piece assembling；
Fig. 3 is the initial position sectional view of Section A-A；
Fig. 4 is the upper rotation limit position sectional view of Section A-A；
Fig. 5 is the lower rotation limit position sectional view of Section A-A；
In figure：01. bypass and anti-lost assembly, 02. power assembly, 03. turns round and rushes assembly, 04. drive assembly, 03-1. platens,
The upper pendulums of 03-2., shock surface under the upper pendulums of 03-2D., shock surface on the upper pendulums of 03-2E., the upper ring attachments of 03-3., on 03-3B.
Shock surface under ring attachment, shock surface on the upper ring attachments of 03-3C., pendulum under 03-4., ring attachment under 03-5., 03-6. inward turning cylinders,
03-7. rotors, 03-8. long pin shafts, 03-9. outer housings, 03-10. universal shafts, 03-11. water caps, 03-12. pins, I, pins
Hole, II, platens hole, II-F. pendulums hole, II-G. loose leaf holes, III, split rings, IV, locating slots, 04-1. transmission shafts.
Specific embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of integration of the present invention is turned round and rushes mud motor, it is by bypass and anti-lost assembly 01, power
Assembly 02, assembly 03 is rushed in torsion and drive assembly 04 forms；It is characterized in that, the torsion rushes assembly 03 by platen 03-1, upper pendulum
03-2, upper ring attachment 03-3, lower pendulum 03-4, lower ring attachment 03-5, inward turning cylinder 03-6, rotor 03-7, long pin shaft 03-8, shell
Body 03-9, universal shaft 03-10, water cap 03-11 and pin 03-12 compositions；The bypass and 01 top of anti-lost assembly connect drill string, institute
It states bypass and 01 lower part of anti-lost assembly connects the top connection of power assembly 02；02 lower part of power assembly connects torsion and rushes the upper of assembly 03
The top connection that 03 lower part of assembly connects drive assembly is rushed in connector, the torsion；The lower part of the drive assembly connects drill bit.
As shown in Figure 1 and Figure 2,02 lower part of power assembly rushes the top of 03 outer housing 03-9 of assembly with turning round using screw thread
Connection；Pin hole I is provided at the platen 03-1 and upper ring attachment 03-3 faying faces, the platen 03-1 is provided with platen hole
Ⅱ；The upper pendulum 03-2 is provided with II-F of pendulum hole；The upper ring attachment 03-3 upper surfaces are provided with pin hole with lower face
I, the upper ring attachment 03-3 are provided with loose leaf hole II-G, the upper ring attachment 03-3 and are provided with split ring III；The platen 03-
1 upper end is hanging, and the lower face of the platen 03-1 is connect with upper ring attachment 03-3 upper surfaces using pin 03-12；；On described
Pendulum 03-2 is connect with platen 03-1 using long pin shaft 03-8, and the upper pendulum 03-2 is connected with upper ring attachment using long pin shaft 03-8
It connects；The lower pendulum 03-4 is provided with II-F of pendulum hole；The lower ring attachment 03-5 upper surfaces are provided with pin hole with lower face
I, the lower ring attachment 03-5 are provided with loose leaf hole II-G, the lower ring attachment 03-5 and are provided with split ring III；The upper loose-leaf
Ring 03-3 lower faces are connect with lower ring attachment 03-5 upper surfaces using pin 03-12；The lower pendulum 03-4 is adopted with upper ring attachment
03-3 long pin shaft 03-8 connections, the lower pendulum 03-4 are connect with lower ring attachment 03-5 using long pin shaft 03-8；The inward turning
Pin hole I is provided at cylinder 03-6 and lower ring attachment 03-5 faying faces, the inward turning cylinder 03-6 is provided with locating slot IV, described interior
Rotation cylinder 03-6 lower parts are provided with internal thread；The lower ring attachment 03-5 lower faces use pin 03- with inward turning cylinder 03-6 upper surfaces
12 connections；The long pin shaft 03-8 is positioned using the locating slot IV of inward turning cylinder 03-6 settings；The rotor 03-7 lower parts are provided with
Internal thread；The universal shaft 03-10 tops are provided with external screw thread, and the universal shaft 03-10 lower parts are provided with internal thread；Described turn
Sub- 03-7 lower contacts are used with universal shaft 03-10 top connections and are threadedly coupled；The water cap 03-11 tops are provided with internal thread, institute
It states water cap 03-11 lower parts and is provided with internal thread, the water cap 03-11 lower parts are provided with external screw thread；It is connect under the universal shaft 03-10
Head is used with water cap and is threadedly coupled；The water cap 03-11 lower contacts are used with transmission shaft 04-1 and are threadedly coupled, the water cap 03-
11 are threadedly coupled with inward turning cylinder 03-6 uses；The outer housing 03-9 lower parts use with drive assembly and are threadedly coupled.
As shown in Figure 1, Figure 3, the rotor 03-7 axis have parallel spacing, the rotor 03-7 with upper pendulum 03-2 axis
Axis has parallel spacing with lower pendulum 03-4 axis；The rotor 03-7, the upper pendulum 03-2 are in initial position, it is described on
Pendulum 03-2 can carry out reciprocating rotation, the undershoot of the upper pendulum 03-2 around the long pin shaft 03-8 in the range of certain angle
It hits face 03-2D and upper shock surface 03-2E and is in initial position；The lower shock surface 03-3B of the upper ring attachment 03-3 and upper impact
Face 03-3C is in initial position.
As Figure 1 and Figure 4, the rotor 03-7 revolves round the sun certain angle counterclockwise, and pendulum turns an angle in driving,
The upper ring attachment 03-3 is connect indirectly with the inward turning cylinder 03-9, the rotation clockwise of the inward turning cylinder 03-9, described in driving
Upper ring attachment 03-3, the upper pendulum 03-2 synchronous rotations one week make the upper shock surface 03-2E of the upper pendulum 03-2 towards close
The direction rotation of the upper shock surface 03-3C of the upper ring attachment 03-3, during upper limit position, the upper impact of the upper pendulum 03-2
The upper shock surface 03-3C of the face 03-2E and upper ring attachment 03-3 keeps certain distance, the lower shock surface of the upper pendulum 03-2
Lower shock surface 03-3Bs of the 03-2D far from the upper ring attachment 03-3.
As shown in Figure 1, shown in Figure 5, the rotor 03-7 revolves round the sun certain angle counterclockwise, and pendulum turns an angle in driving,
The upper ring attachment 03-3 is connect indirectly with the inward turning cylinder 03-9, the rotation clockwise of the inward turning cylinder 03-9, described in driving
Upper ring attachment 03-3, the upper pendulum 03-2 synchronous rotations one week, impacts the lower shock surface 03-2D of the upper pendulum 03-2
On the lower shock surface 03-3B of the upper ring attachment 03-3, the upper shock surface 03-2E of the upper pendulum 03-2 is far from the upper loose-leaf
The upper shock surface 03-3C of ring 03-3.
In the description of the present invention, it is to be understood that the fingers such as term " top ", " lower part ", " upper surface ", " lower face "
The orientation or position relationship shown is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies
Description rather than instruction imply that signified device or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, the terms such as term " installation ", " connection ", " fixation " should
It is interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；It can be directly connected,
It can be indirectly connected by intermediary, can be the interaction relationship of connection inside two elements or two elements.It is right
For those of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature it " on " or it " under "
It can be in direct contact including the first and second features, it is not to be in direct contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " including first spy
Sign is right over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " immediately below second feature and obliquely downward or be merely representative of including fisrt feature
Fisrt feature level height is less than second feature.
Integration torsion a kind of to the present invention is rushed mud motor and is described in detail above, used herein specifically
A example is expounded the principle of the present invention and embodiment.The explanation of above example is only intended to help to understand the present invention
Core concept；Meanwhile for those of ordinary skill in the art, thought according to the present invention in specific embodiment and is answered
With there will be changes in range, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (4)
1. a kind of integration of the present invention, which is turned round, rushes mud motor, including bypass and anti-lost assembly (01), power assembly (02), turn round
Rush assembly (03) and drive assembly (04)；It is characterized in that, the torsion rushes assembly (03) by platen (03-1), upper pendulum (03-
2), upper ring attachment (03-3), lower pendulum (03-4), lower ring attachment (03-5), inward turning cylinder (03-6), rotor (03-7), long pin shaft
(03-8), outer housing (03-9), universal shaft (03-10), water cap (03-11) and pin (03-12) composition；It is described bypass and it is anti-lost
Assembly (01) top connects drill string, and the bypass and anti-lost assembly (01) lower part connect the top connection of power assembly (02)；The power
Assembly (02) lower part connects the top connection that assembly (03) is rushed in torsion, and the top connection that assembly (03) lower part connects drive assembly is rushed in the torsion；Institute
The lower part for stating drive assembly connects drill bit.
2. a kind of integration, which is turned round, according to claim 1 rushes mud motor, which is characterized in that the power assembly (02)
The top use that lower part rushes assembly (03) outer housing (03-9) with torsion is threadedly coupled；The platen (03-1) and upper ring attachment (03-
3) pin hole (I) is provided at faying face, the platen (03-1) is provided with platen hole (II)；Upper pendulum (03-2) setting
There is pendulum hole (II-F)；Upper ring attachment (03-3) upper surface is provided with pin hole (I), the upper ring attachment with lower face
(03-3) is provided with loose leaf hole (II-G), and the upper ring attachment (03-3) is provided with split ring (III)；The lower pendulum (03-4)
It is provided with pendulum hole (II-F)；Lower ring attachment (03-5) upper surface is provided with pin hole (I), the lower loose-leaf with lower face
Ring (03-5) is provided with loose leaf hole (II-G), and the lower ring attachment (03-5) is provided with split ring (III)；Inward turning cylinder (the 03-
6) with being provided with pin hole (I) at lower ring attachment (03-5) faying face, the inward turning cylinder (03-6) is provided with locating slot (IV), institute
It states inward turning cylinder (03-6) lower part and is provided with internal thread；Outer housing (03-9) lower part uses with drive assembly and is threadedly coupled.
3. a kind of integration, which is turned round, according to claim 2 rushes mud motor, which is characterized in that on the platen (03-1)
End is hanging, and the lower face of the platen (03-1) is connect with upper ring attachment (03-3) upper surface using pin；The upper pendulum
(03-2) is connect with platen (03-1) using long pin shaft (03-8), and the upper pendulum (03-2) uses long pin shaft with upper ring attachment
(03-8) is connected；Upper ring attachment (03-3) lower face is connect with lower ring attachment (03-5) upper surface using pin；Under described
Pendulum (03-4) adopts (03-3) with axis connection of having strong market potential with upper ring attachment, and the lower pendulum (03-4) uses with lower ring attachment (03-5)
It has strong market potential axis connection；Lower ring attachment (03-5) lower face is connect with inward turning cylinder (03-6) upper surface using pin；It is described to have strong market potential
Axis (03-8) is positioned using the locating slot (IV) that inward turning cylinder (03-6) is set；Rotor (03-7) lower part is provided with internal thread；
Universal shaft (03-10) top is provided with external screw thread, and universal shaft (03-10) lower part is provided with internal thread；The rotor
(03-7) lower contact is used with universal shaft (03-10) top connection and is threadedly coupled；Water cap (03-11) top is provided with interior spiral shell
Line, water cap (03-11) lower part are provided with internal thread, and water cap (03-11) lower part is provided with external screw thread；The universal shaft
(03-10) lower contact is used with water cap and is threadedly coupled；Water cap (03-11) lower contact is connected with transmission shaft (04-1) using screw thread
It connects, the water cap (03-11) uses with inward turning cylinder (03-6) and is threadedly coupled.
4. a kind of integration, which is turned round, according to claim 3 rushes mud motor, which is characterized in that rotor (03-7) axis
Line has parallel spacing with upper pendulum (03-2) axis, and rotor (03-7) axis has parallel with lower pendulum (03-4) axis
Away from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005493.6A CN108222818A (en) | 2018-01-03 | 2018-01-03 | A kind of integration, which is turned round, rushes mud motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810005493.6A CN108222818A (en) | 2018-01-03 | 2018-01-03 | A kind of integration, which is turned round, rushes mud motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108222818A true CN108222818A (en) | 2018-06-29 |
Family
ID=62642862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810005493.6A Pending CN108222818A (en) | 2018-01-03 | 2018-01-03 | A kind of integration, which is turned round, rushes mud motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108222818A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374495A (en) * | 2019-08-26 | 2019-10-25 | 山东陆海石油技术股份有限公司 | A kind of high frequency circumferential direction impact type spiral drilling rig structure |
| CN112282652A (en) * | 2020-11-30 | 2021-01-29 | 西华大学 | Eccentric rotary punching reaming tool |
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|---|---|---|---|---|
| FR2535780A1 (en) * | 1982-11-04 | 1984-05-11 | Boniface Andre | IMPROVEMENT WITH DOWNHOLE HAMMERS FOR SOIL DRILLING |
| US20060144601A1 (en) * | 2002-10-10 | 2006-07-06 | Snap-On Incorporated | Lubrification system for impact wrenches |
| CN202140018U (en) * | 2011-04-01 | 2012-02-08 | 郑军 | Twisting drilling hammer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110374495A (en) * | 2019-08-26 | 2019-10-25 | 山东陆海石油技术股份有限公司 | A kind of high frequency circumferential direction impact type spiral drilling rig structure |
| CN112282652A (en) * | 2020-11-30 | 2021-01-29 | 西华大学 | Eccentric rotary punching reaming tool |
| CN112282652B (en) * | 2020-11-30 | 2022-03-25 | 西华大学 | Eccentric rotary punching reaming tool |
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Application publication date: 20180629 |