CN109098654A - A kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor - Google Patents
A kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor Download PDFInfo
- Publication number
- CN109098654A CN109098654A CN201811195849.3A CN201811195849A CN109098654A CN 109098654 A CN109098654 A CN 109098654A CN 201811195849 A CN201811195849 A CN 201811195849A CN 109098654 A CN109098654 A CN 109098654A
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- China
- Prior art keywords
- spline housing
- screw
- mandrel
- disk root
- spline
- Prior art date
- 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.)
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- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 238000009527 percussion Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
- 238000004073 vulcanization 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
- E21B4/06—Down-hole impacting means, e.g. hammers
-
- 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
- E21B4/006—Mechanical motion converting means, e.g. reduction gearings
Landscapes
- 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)
- Hydraulic Motors (AREA)
Abstract
The invention belongs to oil field equipment fields, specifically a kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor, its concrete scheme is: idler wheel is mounted in roller mount, roller mount is mounted on middle casing by upper holding screw, cam chair is mounted on spline housing by lower holding screw, spline housing inner surface is machined with spline, spline housing outer surface is threaded, lower mandrel is connected through a screw thread with spline housing, upper mandrel lower position is machined with external splines, upper mandrel is connect with spline housing by spline, upper mandrel bottom is threaded, anti-lost nut is connected through a screw thread with upper mandrel, and anti-lost nut outer diameter is less than the outer diameter on spline housing lower thread cylindrical surface, the present invention uses mechanical impact method, frequency of impact and ballistic work can realize stable output, and devise reasonable sealing means, increase work Have service life, improves drilling efficiency.
Description
Technical field
The present invention relates to a kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor, belongs to oilfield machine
Tool field.
Background technique
With deepening continuously for oil-gas exploration, well depth is extended from middle-shallow layer to deep layer, ultra deep, bad ground, difficult brill ground
Layer proportion increases, and broken rock difficulty increases.Traditional rotary drilling method rate of penetration is low, and easily generates stick-slip, vibration
Dynamic, drill bit takes off the problems such as pressure.Currently, domestic existing rotary percussion drilling tool includes valve type hydraulic impacter, jet type liquid
Dynamic impactor, jet-suck impactor, self-excited oscillation type spin several classes such as tool, although these rotary percussion drilling tools can be one
Determine to improve rate of penetration in degree, but there is also some shortcomings in use, first is that single strike work is smaller, only 100
It is broken to be not enough to be formed effective rock volume by~500J；Second is that frequency of impact and shock loading are unstable, and are not easy to adjust,
Inadaptable scene complex working condition；Third is that requiring Solid Free or solid concentration low drilling fluid, constructing operation difficulty is caused to increase.Needle
To the actual conditions of China's current deep formation drilling well difficult point and well drilling and rock crushing technology, need to develop new efficient rock-breaking technology,
For China's drilling engineering speed-raising drop, this provides scientific guidance and technical support.
Summary of the invention
The present invention is directed to improve drilling efficiency, drilling cost is reduced, and overcome the shortcomings of existing rotary percussion drilling tool,
The technical scheme adopted is as follows:
A kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor, including by-pass valve assembly, flexible axle, spiral shell
Bar motor stator, screw motor rotor, stator case, water cap, upper sealing group, bearing case, upper TC bearing, thrust bearing, on
It is mandrel, lower TC bearing, lower sealing group, middle casing, upper holding screw, JDB Solid Self-lubricant Bearing, roller mount, idler wheel, lower tight
Determine screw, cam chair, spline housing, lower mandrel, lower case, anti-lost nut, lock washer, round nut, bit adapter, elasticity gear
Circle, O-ring seals, retaining ring, intermediate hard disk root, bottom hard disk root, floppy disk root, top hard disk root, it is characterised in that: idler wheel installation
In roller mount, roller mount is mounted on middle casing by upper holding screw, and cam chair is mounted on flower by lower holding screw
Key is put on, and spline housing inner surface is machined with spline, and spline housing outer surface is threaded, and lower mandrel and spline housing are connected by screw thread
It connects, upper mandrel lower position is machined with external splines, and upper mandrel is connect with spline housing by spline, and upper mandrel bottom is machined with spiral shell
Line, anti-lost nut are connected through a screw thread with upper mandrel, and anti-lost nut outer diameter is less than the outer diameter on spline housing lower thread cylindrical surface.
Upper sealing group is in the annular space between bearing case and water cap, lower sealing group upper mandrel and middle casing it
Between annular space in, upper sealing group is identical with lower sealing group structure, and O-ring seals and retaining ring are inside in top hard disk root diameter
Side, top hard disk root are positioned in drilling fluid side by circlip, and floppy disk root is arranged side by side along axial three, and floppy disk root it
Between intermediate hard disk root is installed.
Lock washer and round nut are mounted on anti-lost nut lower end, and round nut is connect by screw thread with upper mandrel.
Floppy disk root timber material is nitrile rubber, and cross sectional shape is V-shaped, and intermediate hard disk root timber material is stainless steel.
JDB Solid Self-lubricant Bearing is housed, period processing is along the circumferential direction pressed on cam chair top between idler wheel and roller mount
There is impact curve, total number of cycles is identical as idler wheel total quantity.
Screw motor rotor is hollow structure, and flexible axle is arranged in inside screw motor rotor, and flexible axle top passes through
Screw thread is connected with screw motor rotor, and flexible axle lower part is connected by screw thread with water cap.
Compared with the existing technology, beneficial achievement of the invention is: using mechanical impact method, frequency of impact and ballistic work
It may be implemented to stablize output, and of less demanding to mud solid phase；Rationally designed upper sealing group and lower sealing group structure and
Position makes TC bearing, thrust bearing, lower TC bearing can be used oil lubrication mode, and spline link position and cam chair and
Idler wheel operating position uses drilling fluid lubricating, is cooled down using drilling fluid to metal friction surface, increases the entirety of tool
Service life；Flexible axle is arranged in inside screw motor rotor, tool entire length is effectively reduced, is conducive to deflecting；
Detailed description of the invention
Fig. 1 is a kind of overall construction drawing of the mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor of the present invention.
Fig. 2 is upper sealing group structural schematic diagram.
Fig. 3 is the partial enlarged view of Fig. 1.
Fig. 4 is the installation diagram of idler wheel and roller mount.
Fig. 5 is cam chair structural schematic diagram.
Fig. 6 is the cross-section diagram in the face A-A in Fig. 1.
Fig. 7 is upper core shaft structure schematic diagram.
Fig. 8 is spline housing structural schematic diagram.
1- by-pass valve assembly；2- flexible axle；3- screw motor stator；4- screw motor rotor；5- stator case；6- water
Cap；The upper sealing group of 7-；8- bearing case；The upper TC bearing of 9-；10- thrust bearing；The upper mandrel of 11-；TC bearing under 12-；It is close under 13-
Envelope group；14- middle casing；The upper holding screw of 15-；16-JDB Solid Self-lubricant Bearing；17- roller mount；18- idler wheel；It is tight under 19-
Determine screw；20- cam chair；21- spline housing；Mandrel under 22-；23- lower case；The anti-lost nut of 24-；25- lock washer；26- circle
Nut；27- bit adapter；701- circlip；702-O shape sealing ring；703- retaining ring；Hard disk root among 704-；The bottom 705-
Hard disk root；706- floppy disk root；Hard disk root at the top of 707-
Specific embodiment
With reference to the accompanying drawing, the present invention will be further described:
A kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor, including by-pass valve assembly 1, flexible axle 2,
Screw motor stator 3, stator case 5, water cap 6, upper sealing group 7, bearing case 8, upper TC bearing 9, pushes away screw motor rotor 4
Power bearing 10, upper mandrel 11, lower TC bearing 12, lower sealing group 13, middle casing 14, upper holding screw 15, JDB self-lubricating solid
It is bearing 16, roller mount 17, idler wheel 18, lower holding screw 19, cam chair 20, spline housing 21, lower mandrel 22, lower case 23, anti-lost
Nut 24, lock washer 25, round nut 26, bit adapter 27, circlip 701, O-ring seals 702, retaining ring 703, centre are hard
Packing 704, bottom hard disk root 705, floppy disk root 706, top hard disk root 707, it is characterised in that: idler wheel 18 is mounted on roller mount 17
On, roller mount 17 is mounted on middle casing 14 by upper holding screw 15, and 14 top of middle casing passes through outside screw thread and bearing
Shell 8 is connected, and 14 lower part of middle casing is connected by screw thread with lower case 23, and cam chair 20 is installed by lower holding screw 19
On spline housing 21,21 inner surface of spline housing is machined with spline, and 21 outer surface of spline housing is threaded, lower mandrel 22 and spline
Set 21 is connected through a screw thread, and upper 11 lower position of mandrel is machined with external splines, and upper mandrel 11 is connect with spline housing 21 by spline,
Upper 11 bottom of mandrel is threaded, and anti-lost nut 24 is connected through a screw thread with upper mandrel 11, and 24 outer diameter of anti-lost nut is small
Outer diameter in 21 lower thread cylindrical surface of spline housing.
Upper sealing group 7 is in the annular space between bearing case 8 and water cap 6, and lower sealing group 13 is in upper mandrel 11 in
Between in annular space between shell 14, upper sealing group 7 is identical with lower 13 structure of sealing group, upper TC bearing 9, thrust bearing 10,
Lower TC bearing 12 is mounted in the annular space between mandrel 11 and bearing case 8, and upper sealing group 7 and lower sealing group 13 can be right
Upper TC bearing 9, thrust bearing 10, lower TC bearing 12 form reliable sealing effect, and O-ring seals 702 and retaining ring 703 are at top
707 radially inner side of hard disk root, top hard disk root 707 are positioned in drilling fluid side by circlip 701, and floppy disk root 706 is along axis
It is arranged side by side to three, and intermediate hard disk root 704 is installed between floppy disk root 706, bottom hard disk root 705 is respectively in upper sealing group
7 and lower sealing group 13 most inner side.
Lock washer 25 and round nut 26 are mounted on anti-lost 24 lower end of nut, and round nut 26 is connected by screw thread and upper mandrel 11
It connects, prevents anti-lost nut 24 from releasing due to vibration.
706 material of floppy disk root is nitrile rubber, and cross sectional shape is V-shaped, and intermediate 704 material of hard disk root is stainless steel.
JDB Solid Self-lubricant Bearing 16 is housed between idler wheel 18 and roller mount 17, it can be between idler wheel 18 and roller mount 17
Effective lubrication is formed, reduces the abrasion between idler wheel 18 and roller mount 17,20 top of cam chair is along the circumferential direction added by the period
Work has impact curve, and total number of cycles is identical as 18 total quantity of idler wheel.
Screw motor rotor 4 is hollow structure, and flexible axle 2 is arranged in inside screw motor rotor 4, and 2 top of flexible axle
It is connected by screw thread with screw motor rotor 4,2 lower part of flexible axle is connected by screw thread with water cap 6.
Its working principle is that:
By-pass valve assembly 1 is connected by screw thread with stator case 5, and vulcanization has screw motor stator inside stator case 5
3, screw motor stator 3 and screw motor rotor 4 form conjugation pair, and normally when drilling, by-pass valve assembly 1 is closed, and drilling fluid is complete
Portion flows through screw motor, and partially liq can be changed into mechanical energy, and flexible axle 2 is by the plane planetary motion of screw motor rotor 4
It is changed into fixed-axis rotation, and torque is transmitted to upper mandrel 11 through water cap 6, acted on by spline, upper mandrel 11 drives spline housing
21 and cam chair 20 rotate, cam chair 20 moves in a circle relative to idler wheel 18, special due to being machined on cam chair 20
Contour line forces idler wheel 18, roller mount 17 and other associated components to rise, then falls under the effect of gravity, and axial impact is made
With thus generating, drill bit is transferred to through cam chair 20, spline housing 21, lower mandrel 22, bit adapter 27.When pulling out of hole, spline housing
21 are sitting on anti-lost 24 upper surface of nut, and percussion stops.
With way of example, the present invention is described above, but the present invention is not limited to examples detailed above, all in the present invention
On the basis of any modification for being made and deformation, it is within the scope of the present invention.
Claims (6)
1. a kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor, including by-pass valve assembly, flexible axle, screw rod
Motor stator, screw motor rotor, stator case, water cap, upper sealing group, bearing case, upper TC bearing, thrust bearing, upper core
Axis, lower TC bearing, lower sealing group, middle casing, upper holding screw, JDB Solid Self-lubricant Bearing, roller mount, idler wheel, lower tightening
Screw, cam chair, spline housing, lower mandrel, lower case, anti-lost nut, lock washer, round nut, bit adapter, circlip, O
Shape sealing ring, retaining ring, intermediate hard disk root, bottom hard disk root, floppy disk root, top hard disk root, it is characterised in that: the idler wheel installation
In the roller mount, the roller mount is mounted on the middle casing by the upper holding screw, and the cam chair is logical
It crosses the lower holding screw to be mounted on the spline housing, the spline housing inner surface is machined with spline, the spline housing appearance
Face is threaded, and the lower mandrel is connected through a screw thread with the spline housing, and the upper mandrel lower position is machined with outer flower
Key, the upper mandrel are connect with the spline housing by spline, and the upper mandrel bottom is threaded, the anti-lost nut
It is connected through a screw thread with the upper mandrel, and the anti-lost nut outer diameter is less than the outer of spline housing lower thread cylindrical surface
Diameter.
2. a kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor according to claim 1, feature
Be: the upper sealing group is in the annular space between the bearing case and the water cap, and the lower sealing group is described
In annular space between upper mandrel and the middle casing, the upper sealing group is identical with the lower sealing group structure, the O
Shape sealing ring and the retaining ring the top hard disk root diameter inwardly, the top hard disk root passes through described in drilling fluid side
Circlip positioning, the floppy disk root is arranged side by side at axial three, and the intermediate hard disk is equipped between the floppy disk root
Root.
3. a kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor according to claim 1, feature
Be: the lock washer and the round nut are mounted on the anti-lost nut lower end, the round nut by screw thread with it is described
Upper mandrel connection.
4. a kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor according to claim 1, feature
Be: the floppy disk root timber material is nitrile rubber, and cross sectional shape is V-shaped, and the intermediate hard disk root timber material is stainless steel.
5. a kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor according to claim 1, feature
Be: equipped with JDB Solid Self-lubricant Bearing between the idler wheel and the roller mount, the cam chair top is along the circumferential direction pressed
Period is machined with impact curve, and total number of cycles is identical as the idler wheel total quantity.
6. a kind of mechanical axial-rotation percussion drilling tool based on helicoid hydraulic motor according to claim 1, feature
Be: the screw motor rotor is hollow structure, and the flexible axle is arranged in inside the screw motor rotor, and described is scratched
Property axis top be connected by screw thread with the screw motor rotor, the flexible axle lower part is connected by screw thread with the water cap
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195849.3A CN109098654B (en) | 2018-10-15 | 2018-10-15 | Mechanical axial rotation percussion drilling tool based on screw drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195849.3A CN109098654B (en) | 2018-10-15 | 2018-10-15 | Mechanical axial rotation percussion drilling tool based on screw drilling tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109098654A true CN109098654A (en) | 2018-12-28 |
| CN109098654B CN109098654B (en) | 2020-07-14 |
Family
ID=64868774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811195849.3A Active CN109098654B (en) | 2018-10-15 | 2018-10-15 | Mechanical axial rotation percussion drilling tool based on screw drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109098654B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454085A (en) * | 2019-09-10 | 2019-11-15 | 吉林大学 | A kind of polar region drilling armored cable formula motor machine Hydro-Hammer Drilling Tool |
| CN111456622A (en) * | 2019-01-19 | 2020-07-28 | 中石化石油工程技术服务有限公司 | High-frequency hydraulic vibration tool |
| CN111577120A (en) * | 2020-04-29 | 2020-08-25 | 北京工业大学 | Torsional impact screw drill |
| CN112983259A (en) * | 2019-12-16 | 2021-06-18 | 中国石油化工股份有限公司 | Drilling speed-up device |
| WO2021120721A1 (en) * | 2019-12-16 | 2021-06-24 | 中国石油化工股份有限公司 | Well drilling acceleration tool |
| CN113266273A (en) * | 2021-07-07 | 2021-08-17 | 西南石油大学 | Turbine-driven near-bit high-frequency axial impact speed-increasing tool |
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| CN102322237A (en) * | 2011-06-14 | 2012-01-18 | 中国石油天然气股份有限公司 | Self-expansion packer |
| CN104033113A (en) * | 2014-06-27 | 2014-09-10 | 西南石油大学 | Rotary screw drill tool |
| CN107631007A (en) * | 2017-09-04 | 2018-01-26 | 西南石油大学 | A kind of screw rod drilling tool seal transmission shaft assembly |
-
2018
- 2018-10-15 CN CN201811195849.3A patent/CN109098654B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0601687A1 (en) * | 1992-12-10 | 1994-06-15 | Kencho Kobe Co., Ltd. | Boring apparatus |
| CN102322237A (en) * | 2011-06-14 | 2012-01-18 | 中国石油天然气股份有限公司 | Self-expansion packer |
| CN104033113A (en) * | 2014-06-27 | 2014-09-10 | 西南石油大学 | Rotary screw drill tool |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456622A (en) * | 2019-01-19 | 2020-07-28 | 中石化石油工程技术服务有限公司 | High-frequency hydraulic vibration tool |
| CN110454085A (en) * | 2019-09-10 | 2019-11-15 | 吉林大学 | A kind of polar region drilling armored cable formula motor machine Hydro-Hammer Drilling Tool |
| CN112983259A (en) * | 2019-12-16 | 2021-06-18 | 中国石油化工股份有限公司 | Drilling speed-up device |
| WO2021120721A1 (en) * | 2019-12-16 | 2021-06-24 | 中国石油化工股份有限公司 | Well drilling acceleration tool |
| WO2021120723A1 (en) * | 2019-12-16 | 2021-06-24 | 中国石油化工股份有限公司 | Drilling speed increasing device |
| CN112983259B (en) * | 2019-12-16 | 2022-02-25 | 中国石油化工股份有限公司 | Drilling speed-up device |
| US11898417B2 (en) | 2019-12-16 | 2024-02-13 | China Petroleum & Chemical Corporation | Drilling speed increasing device |
| US11920437B2 (en) | 2019-12-16 | 2024-03-05 | China Petroleum & Chemical Corporation | Well drilling acceleration tool |
| CN111577120A (en) * | 2020-04-29 | 2020-08-25 | 北京工业大学 | Torsional impact screw drill |
| CN113266273A (en) * | 2021-07-07 | 2021-08-17 | 西南石油大学 | Turbine-driven near-bit high-frequency axial impact speed-increasing tool |
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| Publication number | Publication date |
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| CN109098654B (en) | 2020-07-14 |
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