CN105298381B - The mud motor of efficient rock-breaking is realized using complex vibration impact - Google Patents
The mud motor of efficient rock-breaking is realized using complex vibration impact Download PDFInfo
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- CN105298381B CN105298381B CN201510673887.5A CN201510673887A CN105298381B CN 105298381 B CN105298381 B CN 105298381B CN 201510673887 A CN201510673887 A CN 201510673887A CN 105298381 B CN105298381 B CN 105298381B
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- metal motor
- turbine
- cylindrical cam
- drive shaft
- final drive
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Abstract
The present invention disclose a kind of utilization complex vibration and impacts the mud motor for realizing efficient rock-breaking, to solve bit freezing, stick-slip and the low problem of efficiency of breaking rock in deep ＆ ultra-deep well.Its technical scheme is：Metal motor rotor is capped off with being threadedly coupled with anti-, and metal motor spacer rod and metal motor rotor are included in metal motor stator；Turbine stator is arranged on the auxiliary power transmission shaft of turbine with rotor, and eccentric wheel trundle is fixed on the auxiliary power transmission shaft of turbine；Final drive shaft outer barrel spline drived group is connected on final drive shaft；Positioning bearing b is placed between worm gear drive axle and cylindrical cam housing；Upper cylindrical cam is fixed on final drive shaft, and lower cylindrical cam is fixed on block stamp；Back-moving spring is stuck between block stamp and cylindrical cam lower house；Half point ring is stuck in anvil recess, and set is fixed on cylindrical cam lower house from all directions, while being stuck between cylindrical cam lower house and anvil block.The present invention can simultaneously produce the high frequency axial impact of stabilization to be impacted with circumferential, realize complex vibration rock breaking efficiency.
Description
Technical field
The present invention relates to the well that efficient rock-breaking is realized in a kind of utilization complex vibration impact in the fields such as oil drilling
Lower power drilling tool.
Background technology
As Shallow Oil-Gas resource is increasingly exhausted, drilling engineering is gradually to the neck that the environmental conditions such as deep-well, ultradeep well are severe
Domain is developed.After well depth increases, the difficulty of catalase can be greatly increased, and in drilling process, drill bit usually occurs bit freezing, glues
Sliding phenomenon.These factors can reduce the efficiency of breaking rock of drill bit, increase broken rock difficulty, so as to cause bit life to substantially reduce, machine
Tool drilling speed declines to a great extent.Existing axial rotating drilling instrument cannot alleviate lower drilling tool stick slip vibration phenomenon, can produce axially punching
The hydraulic impacter generally existing impactor unstable properties short life and vibration frequency and the unstable defect of impulsive force hit,
These defects design drill bit or crushing rock formation acting to be solved all be difficult accomplishes to be consistent with actual conditions, causes impact
Crushing effect is undesirable.
The content of the invention
The purpose of the present invention is：Lost to solve the drilling tool caused by the stick slip vibration occurred during beating deep ＆ ultra-deep well
The problems such as effect and rate of penetration be not high, and the undesirable problem of existing hydraulic impacter effect, spy provide and utilize complex vibration
The mud motor of efficient rock-breaking is realized in impact.
To achieve the above object, the present invention uses following technical scheme:
The mud motor of efficient rock-breaking is realized using complex vibration impact, by outer cylinder body, positioning bearing group a, metal
Motor stator, metal motor spacer rod, metal motor rotor, turbine stator, turbine rotor, flat key, the auxiliary power transmission shaft of turbine, main biography
Moving axis outer barrel, eccentric wheel, final drive shaft, upper cylindrical cam, lower cylindrical cam, back-moving spring, block stamp, anvil block, half point ring, all directions
Set, lower contact etc. are constituted, it is characterised in that metal motor rotor is threadedly attached in outer cylinder body with anti-capping off, outer cylinder body
Shoulder diameter caps off external diameter less than anti-；Shoulder lower end in outer cylinder body is the capping of metal motor stator, and positioning bearing group a is fixed on
In the interior shoulder of metal motor stator capping, metal motor stator capping bottom is that metal motor rotor enclosure and metal motor are fixed
It is metal motor spacer rod and metal motor rotor in son, metal motor stator, metal motor spacer rod is fixed by metal motor
Shoulder and metal motor rotor enclosure axially position in sub；Turbine stator is arranged on the auxiliary power transmission shaft of turbine with turbine rotor, whirlpool
Wheel stator upper end is fixed by shoulder in metal motor rotor, and lower end is fixed by final drive shaft outer barrel, and turbine rotor is by flat
Keying is scheduled on the auxiliary power transmission shaft of turbine；The auxiliary power transmission shaft shoulder of turbine is in contact with final drive shaft outer barrel, final drive shaft outer barrel with it is outer
Spline drived connects that block is connected by spline, external splines is driven even block and internal spline and is driven even block and is connected by spline, internal spline biography
Dynamic even block is stuck on final drive shaft by shoulder；Eccentric wheel is fixed on the auxiliary power transmission shaft of turbine by trundle；Eccentric wheel lower end
Positioned by positioning bearing b；Upper cylindrical cam is threadedly secured on the auxiliary power transmission shaft of turbine, and lower cylindrical cam is solid by screw
It is scheduled on block stamp；Back-moving spring is stuck between block stamp and cylindrical cam lower house；Half point ring is stuck in anvil recess, covers logical from all directions
Cross and be threadedly secured on cylindrical cam lower house, while being stuck between cylindrical cam lower house and anvil block；Final drive shaft lower end leads to
Cross screw thread to be connected with lower contact, bearing (ball) cover is fixed by screws in the capping of metal motor stator, and positioning retainer ring passes through screw thread
It is fixed on outer cylinder body.
Circumferentially being spacedly distributed in shoulder and lower contact in shoulder, metal motor rotor in described outer cylinder body has 45
Through hole, metal motor stator closure skirt is circumferentially distributed 4 runners, metal motor stator and metal motor rotor wall both sides
Axially being spacedly distributed has 65 through holes, final drive shaft outer barrel upper end is circumferentially spacedly distributed 45 through holes, position bearing group
A is made up of journal bearing.
The beneficial effects of the invention are as follows：(1) instrument can simultaneously produce circumferential and axial high-frequency percussion, form complex vibration
Effect, drill bit is passed to by lower contact, improves the efficiency of breaking rock of drill bit；(2) the high frequency rotational vibration that drill bit is produced, Ke Yiyou
Effect avoids the stick slip vibration phenomenon of drill bit；(3) power of the instrument is produced by two power sources of metal motor and turbine, and both fold
Plus but do not interfere, metal motor can be used to be used under complicated bad working environments in addition, so as to improve the operating efficiency of drilling tool and use
Life-span.
Brief description of the drawings
Fig. 1 is the structural representation of the mud motor that the present invention realizes efficient rock-breaking using complex vibration impact.
In figure：1. outer cylinder body, 2. prevents capping off, and 3. metal motor stator capping 4. positions bearing group a, and 5. metal motor turns
Son is covered, 6. metal motor stator, 7. metal motor spacer rod, 8. metal motor rotor, 9. turbine stator, 10. turbine rotor,
11. flat keys, the auxiliary power transmission shaft of 12. turbines, 13. final drive shaft outer barrels, 14. external splines transmission connects block, and the transmission of 15. internal splines connects block,
16. eccentric wheels, 17. final drive shafts, 18. trundles, 19. positioning bearing b, cylindrical cam on 20., 21. times cylindrical cams, 22.
Cylindrical cam upper shell, 23. cylindrical cam lower houses, 24. back-moving springs, 25. block stamps, 26. bearing (ball) covers, 27. anvil blocks, 28.
Positioning retainer ring, 29. half point rings, 30. cover from all directions, 31. lower contacts.
Fig. 2 is the A-A profiles of Fig. 1 of the present invention.
Fig. 3 is the B-B profiles of Fig. 1 of the present invention.
Fig. 4 is the C-C profiles of Fig. 1 of the present invention.
Fig. 5 is the sectional drawing of final drive shaft outer barrel in Fig. 1 of the present invention.
Specific embodiment
With reference to the accompanying drawings shown in 1, the mud motor of efficient rock-breaking is realized using complex vibration impact, by outer cylinder body, determined
Position bearing group a, metal motor stator, metal motor spacer rod, metal motor rotor, turbine stator, turbine rotor, flat key, whirlpool
Take turns auxiliary power transmission shaft, final drive shaft outer barrel, eccentric wheel, final drive shaft, upper cylindrical cam, lower cylindrical cam, back-moving spring, block stamp,
Anvil block, from all directions half point ring, the composition such as set, lower contact.It is characterized in that metal motor rotor is threadedly attached in anti-capping off
In outer cylinder body, the shoulder diameter of outer cylinder body caps off external diameter less than anti-；Shoulder lower end in outer cylinder body is the capping of metal motor stator,
Positioning bearing group a is fixed in the interior shoulder of metal motor stator capping, and metal motor stator covers bottom for metal motor turns
Son capping and metal motor stator, are metal motor spacer rod and metal motor rotor in metal motor stator, metal motor every
From rod by shoulder and metal motor rotor enclosure axially position in metal motor stator；Turbine stator is arranged on turbine rotor
On the auxiliary power transmission shaft of turbine, turbine stator upper end is fixed by shoulder in metal motor rotor, and lower end is solid by final drive shaft outer barrel
Fixed, turbine rotor is fixed on the auxiliary power transmission shaft of turbine by flat key；The auxiliary power transmission shaft shoulder of turbine is in contact with final drive shaft outer barrel,
Even block is connected the transmission of final drive shaft outer barrel and external splines by spline, even block connects block and passes through to spend with internal spline transmission for external splines transmission
Key is connected, and even block is stuck on final drive shaft by shoulder for internal spline transmission；Eccentric wheel is fixed on the auxiliary transmission of turbine by trundle
On axle；Eccentric wheel lower end is positioned by positioning bearing b；Upper cylindrical cam is threadedly secured on the auxiliary power transmission shaft of turbine, lower circle
Post cam is fixed by screws on block stamp；Back-moving spring is stuck between block stamp and cylindrical cam lower house；Half point ring is stuck in anvil
In seat groove, set is threadedly secured on cylindrical cam lower house from all directions, at the same be stuck in cylindrical cam lower house and anvil block it
Between；Final drive shaft lower end is connected by screw thread with lower contact, and bearing (ball) cover is fixed by screws in the capping of metal motor stator,
Positioning retainer ring is threadedly secured on outer cylinder body.
Circumferentially being spacedly distributed in shoulder and lower contact in shoulder, metal motor rotor in described outer cylinder body has 45
Through hole, metal motor stator closure skirt is circumferentially distributed 4 runners, metal motor stator and metal motor rotor wall both sides
Axially being spacedly distributed has 65 through holes, final drive shaft outer barrel upper end is circumferentially spacedly distributed 45 through holes, position bearing group
A is made up of journal bearing.
During work, drilling fluid enters in the superjacent air space of outer cylinder body through the through hole in tool joint, a portion drilling well
Liquid flows into the runner of metal motor stator cover rim through the hole of shoulder in outer cylinder body, and enters metal motor stator and outer cylinder body
The annular space that inwall is formed,；Drilling fluid in annular space enters metal motor rotor and metal from axially extending bore on metal motor stator
Annular space is separated into two independent skies by the annular space between motor stator, metal motor spacer rod in the presence of drilling liquid pressure
Between；The space communicated with metal motor stator constantly has stepout well liquid to flow into, and pressure is constantly raised and forms higher-pressure region, another space
Low-pressure area is correspondingly formed, when high nip pressures rise to certain value, the pressure differential meeting of the two spaces formed by drilling liquid pressure
Promote metal motor rotor clockwise to rotate, form main power source.The drilling fluid of another part caps off endoporus and flows through metal from anti-
Through hole in motor rotor on shoulder enters metal motor internal rotor, then to flow into and drive turbine in turbine stator and turbine rotor
Auxiliary drive axis, form auxiliary power source.Drilling fluid wherein in the main power source low-pressure area caused by metal motor rotor is rotated
The reason for space constantly reduces is squeezed into metal motor rotor axial through hole, empty downwardly into bit adapter top always
Between, finally by the hole inflow drill bit on bit adapter；Drilling fluid in auxiliary power source flowed out from turbine rotor after through master
The drilling fluid that the circumferentially distributed hole in power transmission shaft outer barrel upper end goes out with metal motor internal flow converges, cocurrent to lower contact, finally by
The circumferentially distributed hole outflow of shoulder in lower contact.Metal motor rotor is rotated can drive final drive shaft outer barrel to rotate, and then drive outer
Spline drived connects block rotation, and external splines drive block drives final drive shaft to rotate, and then drives lower contact to rotate, so that active force
Source is transmitted on drill bit by metal motor；The auxiliary power transmission shaft of turbine is on the one hand by trundle band movable eccentric wheel around the auxiliary power transmission shaft of turbine
Make eccentric axis rotation, the eccentric rotary of eccentric wheel can drive final drive shaft to rotate, so as to form twisting vibration, make through lower contact
Use on drill bit, on the other hand, and the upper cylindrical cam fixed of the auxiliary power transmission shaft of turbine with and block stamp fixation lower cylindrical cam it
Between be meshing relation, the rotation of the auxiliary power transmission shaft of turbine causes that block stamp axially moves impact anvil block, due to the reset of back-moving spring
Effect allows block stamp to form periodic shock to anvil block, so that auxiliary power source forms periodic high frequency and circumferentially impacts and axially rush
Hit, be ultimately conducted on drill bit.
Claims (5)
1. realize the mud motor of efficient rock-breaking using complex vibration impact, by outer cylinder body (1), positioning bearing group a (4),
It is metal motor stator (6), metal motor spacer rod (7), metal motor rotor (8), turbine stator (9), turbine rotor (10), flat
Key (11), the auxiliary power transmission shaft of turbine (12), final drive shaft outer barrel (13), eccentric wheel (16), final drive shaft (17), upper cylindrical cam
(20), lower cylindrical cam (21), back-moving spring (24), block stamp (25), anvil block (27), half point ring (29), from all directions set (30), under connect
Head (31) composition, it is characterised in that metal motor rotor (8) is threadedly attached in outer cylinder body (1) with anti-cap off (2)；Outer barrel
Shoulder lower end in body (1) is metal motor stator capping (3), and positioning bearing group a (4) is fixed on the capping of metal motor stator
(3) in interior shoulder, metal motor stator covers (3) bottom for metal motor rotor enclosure (5) and metal motor stator (6),
It is metal motor spacer rod (7) and metal motor rotor (8) in metal motor stator (6)；Turbine stator (9) and turbine rotor
(10) on the auxiliary power transmission shaft of turbine (12), turbine stator (9) upper end is fixed by metal motor rotor (8) interior shoulder, under
End is fixed by final drive shaft outer barrel (13), and turbine rotor (10) is fixed on the auxiliary power transmission shaft of turbine (12) by flat key (11)；
The auxiliary power transmission shaft of turbine (12) shoulder is in contact with final drive shaft outer barrel (13), and final drive shaft outer barrel (13) connects block with external splines transmission
(14) it is connected by spline, external splines is driven even block (14) and is connected by spline with internal spline transmission even block (15), internal spline is passed
Dynamic even block (15) is stuck on final drive shaft (17) by shoulder；Eccentric wheel (16) is fixed on the auxiliary transmission of turbine by trundle (18)
On axle (12)；Eccentric wheel (16) lower end is positioned by positioning bearing b (19)；Upper cylindrical cam (20) is threadedly secured to turbine
On auxiliary power transmission shaft (12), lower cylindrical cam (21) is fixed by screws on block stamp (25)；Back-moving spring (24) is stuck in block stamp
(25) and cylindrical cam lower house (23) between；Half point ring (29) is stuck in anvil block (27) groove, and set (30) is by screw thread from all directions
It is fixed on cylindrical cam lower house (23), while being stuck between cylindrical cam lower house (23) and anvil block (27)；Final drive shaft
(17) lower end is connected by screw thread with lower contact (31), and bearing (ball) cover (26) is fixed by screws in the capping of metal motor stator
(3) on, positioning retainer ring (28) is threadedly secured on outer cylinder body (1).
2. the mud motor of efficient rock-breaking is realized in utilization complex vibration impact according to claim 1, and its feature exists
There are 4 in being circumferentially spacedly distributed in outer cylinder body (1) interior shoulder, metal motor rotor (8) interior shoulder and lower contact (31)It is logical
Hole.
3. the mud motor of efficient rock-breaking is realized in utilization complex vibration impact according to claim 1, and its feature exists
Axially being spacedly distributed in metal motor stator (6) and metal motor rotor (8) wall both sides has 6Through hole, metal motor
Stator capping (3) external circumferential is spacedly distributed and has 4 runners.
4. the mud motor of efficient rock-breaking is realized in utilization complex vibration impact according to claim 1, and its feature exists
Circumferentially it is spacedly distributed 4 in final drive shaft outer barrel (13) upper endThrough hole.
5. the mud motor of efficient rock-breaking is realized in utilization complex vibration impact according to claim 1, and its feature exists
It is made up of journal bearing in positioning bearing group a (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510673887.5A CN105298381B (en) | 2015-10-19 | 2015-10-19 | The mud motor of efficient rock-breaking is realized using complex vibration impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510673887.5A CN105298381B (en) | 2015-10-19 | 2015-10-19 | The mud motor of efficient rock-breaking is realized using complex vibration impact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105298381A CN105298381A (en) | 2016-02-03 |
| CN105298381B true CN105298381B (en) | 2017-06-06 |
Family
ID=55196110
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510673887.5A Expired - Fee Related CN105298381B (en) | 2015-10-19 | 2015-10-19 | The mud motor of efficient rock-breaking is realized using complex vibration impact |
Country Status (1)
| Country | Link |
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| CN (1) | CN105298381B (en) |
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| CN108798500B (en) * | 2017-04-28 | 2024-05-03 | 中石化石油工程技术服务有限公司 | Hydraulic impact device for power drilling tool |
| CN106939763B (en) * | 2017-05-04 | 2019-01-04 | 西南石油大学 | A kind of unconventional tight stratum percussion tool |
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| CN112647838B (en) * | 2020-11-19 | 2022-02-01 | 西南石油大学 | Turbine type drilling speed-increasing tool with novel valve structure driven by cylindrical cam |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2029848C1 (en) * | 1992-06-30 | 1995-02-27 | Анатолий Васильевич Зайцев | In-stope hydraulic power low frequency impactor |
| EP1337759B1 (en) * | 2000-11-27 | 2006-05-03 | Shell Internationale Researchmaatschappij B.V. | Hydraulic drill string accumulator |
| CN201778652U (en) * | 2010-09-20 | 2011-03-30 | 西南石油大学 | Low-amplitude and high-frequency torsional pulse generator |
| CN102966305B (en) * | 2012-12-11 | 2014-12-31 | 闫铁 | Near-bit circumferential resonance impacter |
| CN103291214B (en) * | 2013-06-19 | 2016-03-30 | 中国石油大学(华东) | Be applicable to the reciprocating hydraulic impacter of hard formation drilling well |
| CN104563859B (en) * | 2013-10-13 | 2017-04-12 | 成都恩承科技股份有限公司 | Hydro-hammer |
| CN204060517U (en) * | 2014-07-23 | 2014-12-31 | 成都惠容佳石油科技有限公司 | Hydraulical impact rotary tools |
| CN104612582B (en) * | 2014-11-28 | 2016-08-24 | 西南石油大学 | Underground vibrating percussion tool based on screw rod Yu Double helix ball screw |
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- 2015-10-19 CN CN201510673887.5A patent/CN105298381B/en not_active Expired - Fee Related
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| CN105298381A (en) | 2016-02-03 |
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Granted publication date: 20170606 Termination date: 20171019 |