CN106894755A - A kind of waterpower pulse formula is spun helicoid hydraulic motor - Google Patents
A kind of waterpower pulse formula is spun helicoid hydraulic motor Download PDFInfo
- Publication number
- CN106894755A CN106894755A CN201710315116.8A CN201710315116A CN106894755A CN 106894755 A CN106894755 A CN 106894755A CN 201710315116 A CN201710315116 A CN 201710315116A CN 106894755 A CN106894755 A CN 106894755A
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- axis body
- screwed connection
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- inner chamber
- screw
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Abstract
A kind of waterpower pulse formula the present invention relates to oil and gas industry deep-well and ultra-deep well drilling speed-raising is spun helicoid hydraulic motor.It solves the problems, such as that drilling process medium ground drilling difficulty, rate of penetration are low.Its technical scheme is：Screw stator upper end and the screwed connection of top connection lower end, screw stator lower end and the screwed connection of universal shaft housing upper end；Screw rotor inserts screw stator inner chamber；Universal drive shaft upper end and the screwed connection of screw rotor lower end, universal drive shaft lower end and the screwed connection of upper axis body upper end；Diversion shell upper end and the screwed connection of universal shaft housing lower end, diversion shell lower end and lower house middle part screwed connection；Drive piston Upper cylindrical and the gap cooperation of upper axis body inner chamber middle part, drive piston lower end and lower axis body upper end screwed connection.The present invention can both produce broken rock moment of torsion, it is also possible to provide high frequency axial impact force, improve drill bit efficiency of breaking rock and rate of penetration；Mechanical structure of the present invention is simple, few easy workout part.
Description
Technical field
A kind of waterpower pulse formula the present invention relates to oil and gas industry deep-well and ultra-deep well drilling speed-raising is spun spiral shell
Bar drill has.
Background technology
With continuing to develop for domestic and international oil and gas industry drilling technology, drilling depth is continuously increased, deep-well and super
Deep-well quantity is more and more.After drilling depth increase, rock hardness and intensity under the effect of stratum confined pressure all can be carried significantly
Height, drillability is substantially reduced.To improve deep formation drill bit efficiency of breaking rock, a kind of feasible effective ways are to use churn drill
Well, i.e., for drill bit provides axial impact force while rotary drilling.Carrying out cutting under variable load the pressure of the drill to rock can be significantly
Improve efficiency of breaking rock, it is particularly possible to increase the rate of penetration of hard formation.
Current helicoid hydraulic motor is the mud motor being most widely used in drilling engineering, can meet the overwhelming majority
Underground working, but the helicoid hydraulic motor of routine only has the function of rotation, and the rotation torque of rock cutting is provided for drill bit, does not have
The standby function that axial impact force is provided.Chinese patent CN104033113A provides one kind and spins helicoid hydraulic motor, using roller and convex
The relative motion of wheel provides axial impact force for drill bit, but the patent structure is complicated, consumable accessory is more, and especially roller and cam will
Huge the pressure of the drill is born, abrasion must be serious；The other patent for drill bit while broken rock moment of torsion is provided, it is necessary to be roller
Climb on cam and climbing moment of torsion is provided, increased the load of screw rod power section, necessarily cause the use of screw rod power section
Service life reduction.
Based on above-mentioned technical background, the present invention is special to be provided a kind of waterpower pulse formula and spins helicoid hydraulic motor, is provided for drill bit
While rotation torque, there is provided high frequency axial impact force, drill bit efficiency of breaking rock is improved.
The content of the invention
The purpose of the present invention is：Low in order to solve the problems, such as drilling process medium ground drilling difficulty, rate of penetration, spy carries
Spun helicoid hydraulic motor for a kind of waterpower pulse formula.
In order to achieve the above object, the present invention uses following technical scheme：A kind of waterpower pulse formula is spun helicoid hydraulic motor, is
By top connection, screw stator, screw rotor, universal shaft housing, universal drive shaft, upper axis body, thrust bearing a, diversion shell, transmission
Pin, drive piston, lower house, thrust bearing b, semi-ring clamp, thrust bearing c, disc spring, anti-cap off and lower axis body is constituted；Its knot
Structure is characterized in：Top connection upper end and upper drilling string screwed connection, lower axis body lower end and drill bit screwed connection；Screw stator inner chamber sets
It is equipped with elastomer stator set, screw stator upper end and the screwed connection of top connection lower end, screw stator lower end and universal shaft housing upper end
Screwed connection；Screw rotor inserts screw stator inner chamber, the elastomer stator set cooperation of screw rotor and screw stator inner chamber；It is universal
Axle upper end and the screwed connection of screw rotor lower end, universal drive shaft lower end and the screwed connection of upper axis body upper end；Upper axis body top is circumferential
Even to set three inclined hole connection interior or exterior spaces, upper axis body top is cylindrical to set a circle raised step, and upper axis body middle part is circumferential uniform
Four through hole connection interior or exterior spaces are set, and upper axis body inner chamber bottom is circumferentially evenly arranged with pin grooves；Lower house upper end sets one
The raised outer rim of circle, lower house top is circumferentially uniformly arranged three waist through hole, and lower house middle part is circumferential to be uniformly arranged four inclined holes
Connection interior or exterior space, lower house bottom is circumferentially uniformly arranged two through hole connection interior or exterior spaces, and lower housing cavity middle part is provided with
Step；Thrust bearing a is arranged in the raised step on upper axis body top；Thrust bearing b is arranged on lower housing cavity middle bench
On；Diversion shell upper end and the screwed connection of universal shaft housing lower end, diversion shell lower end and lower house middle part screwed connection；Transmission
Upper piston area is set to cylinder, and the cylindrical circumference in drive piston middle part is evenly arranged with pin grooves；Drive piston Upper cylindrical and upper
Axis body inner chamber middle part gap coordinates, and trundle is arranged on the drive piston cylindrical pin grooves in middle part and upper axis body inner chamber lower pin pilot trench
In the space of formation, drive piston lower end and lower axis body upper end screwed connection；Lower axis body top is circumferentially uniformly arranged three inclined holes
Connection interior or exterior space, lower axis body middle part is cylindrical to set a circle groove；Two semi-ring clamps are arranged on cylindrical recessed in lower axis body middle part
On groove, thrust bearing c is arranged on two semi-ring clamp end faces, and disc spring is inserted in lower axle, and circle is arranged on thrust bearing c end faces in vitro
On；It is anti-to cap off and the screwed connection of lower house lower end.
The beneficial effects of the invention are as follows：(1) present invention can produce high frequency axial impact to vibrate, and improve drill bit efficiency of breaking rock
And rate of penetration；(2) present invention is driven using continuous surge pressure, belongs to flexible vibration, it is to avoid mechanical component rigid damage；
(3) present invention is simple mechanical structure, few easy workout part；(4) present invention can both produce broken rock moment of torsion, it is also possible to provide axially punching
Hit power.
Brief description of the drawings
Fig. 1 is that a kind of waterpower pulse formula of the invention is spun the up structural representation of helicoid hydraulic motor drive piston；
Fig. 2 is that a kind of waterpower pulse formula of the invention is spun the descending structural representation of helicoid hydraulic motor drive piston；
Fig. 3 is Figure 1A-A cross-sectional views；
Fig. 4 is Figure 1B-B-section sectional view；
In figure：1. top connection, 2. screw stator, 3. screw rotor, 4. universal shaft housing, 5. universal drive shaft, 6. go up axis body, 7.
Thrust bearing a, 8. diversion shell, 9. trundle, 10. drive piston, 11. lower houses, 12. thrust bearing b, 13. semi-ring clamps,
14. thrust bearings, 15. disc springs, 16. it is anti-cap off, 17. times axis bodies.
Specific embodiment
As depicted in figs. 1 and 2, a kind of waterpower pulse formula of the invention is spun helicoid hydraulic motor, is by top connection 1, screw stator
2nd, screw rotor 3, universal shaft housing 4, universal drive shaft 5, upper axis body 6, thrust bearing a7, diversion shell 8, trundle 9, drive piston
10th, lower house 11, thrust bearing b12, semi-ring clamp 13, thrust bearing c14, disc spring 15, it is anti-cap off 16 and lower axis body 17 constitute；
Its architectural feature is：The upper end of top connection 1 and upper drilling string screwed connection, the lower lower end of axis body 17 and drill bit screwed connection；Screw rod is determined
Sub 2 inner chambers are provided with elastomer stator set, the upper end of screw stator 2 and the lower end screwed connection of top connection 1, the lower end of screw stator 2 and ten thousand
To the upper end screwed connection of shaft housing 4；Screw rotor 3 inserts the rubber of the inner chamber of screw stator 2, screw rotor 3 and the inner chamber of screw stator 2
Glue stator sleeve coordinates；The upper end of universal drive shaft 5 and the lower end screwed connection of screw rotor 3, the lower end of universal drive shaft 5 and the upper end screw thread of upper axis body 6
Connection；The top of upper axis body 6 is circumferentially uniformly arranged three inclined hole connection interior or exterior spaces, and the top of upper axis body 6 is cylindrical to set a circle projection
Step, the middle part of upper axis body 6 is circumferential to be uniformly arranged four through hole connection interior or exterior spaces, and the inner chamber bottom of upper axis body 6 is circumferentially uniformly arranged
There are pin grooves；The upper end of lower house 11 sets the raised outer rim of a circle, and the top of lower house 11 is circumferentially uniformly arranged three waist through hole, under
The middle part of housing 11 is circumferential to be uniformly arranged four inclined hole connection interior or exterior spaces, and the bottom of lower house 11 is circumferentially uniformly arranged two through holes and connects
Logical interior or exterior space, the inner chamber of lower house 11 middle part is provided with step；Thrust bearing a7 is arranged on the raised step on the top of upper axis body 6
On；Thrust bearing b12 is arranged on the inner chamber middle bench of lower house 11；The upper end of diversion shell 8 and the lower end screw thread of universal shaft housing 4
Connection, the lower end of diversion shell 8 and the middle part screwed connection of lower house 11；The top of drive piston 10 is set to cylinder, drive piston 10
The cylindrical circumference in middle part is evenly arranged with pin grooves；The Upper cylindrical of drive piston 10 and the inner chamber of upper axis body 6 middle part gap coordinate, transmission
Pin 9 is arranged in the space that the cylindrical pin grooves in middle part of drive piston 10 and the inner chamber lower pins groove of upper axis body 6 are formed, drive piston
10 lower ends and the upper end screwed connection of lower axis body 17；The lower top of axis body 17 is circumferentially uniformly arranged three inclined hole connection interior or exterior spaces, under
The middle part of axis body 17 is cylindrical to set a circle groove；Two semi-ring clamps 13 are arranged on the cylindrical groove in the middle part of lower axis body 17, thrust
Bearing c14 is arranged on two end faces of semi-ring clamp 13, and it is cylindrical installed in thrust bearing c14 end faces that disc spring 15 is inserted in lower axis body 17
On；It is anti-to cap off 16 and the lower end screwed connection of lower house 11.
As shown in figure 3, circumferential four through holes being uniformly arranged in the middle part of upper axis body 6 and the top of lower house 11 are circumferentially uniformly arranged
Three waist through hole be located at same axial cross section position, upper axis body 6 ensure in the rotary course on 6 four through holes of axis body and
The connection area generating period change of 11 3 waist through hole of lower house.
As shown in figure 4, trundle 9 is arranged on the cylindrical pin grooves in middle part of drive piston 10 and the inner chamber lower pins of upper axis body 6
In the space that groove is formed.
A kind of the spin operation principle of helicoid hydraulic motor of waterpower pulse formula of the present invention is：Under enter the present invention to shaft bottom, turn on pump is followed
Trepan well liquid, screw rotor 3 is rotated under drilling fluid effect, and screw rotor 3 drives universal drive shaft 5, upper axis body 6, transmission to live
Plug 10 and lower axis body 17 rotate simultaneously；Upper axis body 6 in rotary course, 11 3 kidney-shapeds of 6 four through holes of upper axis body and lower house
The connection area generating period change of through hole, produces continuous water hammer, and drive piston 10 is subject to the continuous water attack for changing to make
Firmly and to lower axis body 17 produce lasting high frequency axial impact force.
Claims (2)
1. a kind of waterpower pulse formula is spun helicoid hydraulic motor, is by top connection (1), screw stator (2), screw rotor (3), universal drive shaft
Housing (4), universal drive shaft (5), upper axis body (6), thrust bearing a (7), diversion shell (8), trundle (9), drive piston (10),
Lower house (11), thrust bearing b (12), semi-ring clamp (13), thrust bearing c (14), disc spring (15), anti-cap off (16) and lower axle
Body (17) is constituted；It is characterized in that：Top connection (1) upper end and upper drilling string screwed connection, lower axis body (17) lower end and drill bit silk
Button connection；Screw stator (2) inner chamber is provided with elastomer stator set, and screw stator (2) upper end and top connection (1) lower end screw thread connect
Connect, screw stator (2) lower end and universal shaft housing (4) upper end screwed connection；Screw rotor (3) inserts screw stator (2) inner chamber,
The elastomer stator set of screw rotor (3) and screw stator (2) inner chamber coordinates；Terminal filament under universal drive shaft (5) upper end and screw rotor (3)
Button connection, universal drive shaft (5) lower end and upper axis body (6) upper end screwed connection；Upper axis body (6) top is circumferentially uniformly arranged three inclined holes
Connection interior or exterior space, upper axis body (6) top is cylindrical to set a circle raised step, and upper axis body (6) middle part is circumferential to be uniformly arranged four
Through hole connects interior or exterior space, and upper axis body (6) inner chamber bottom is circumferentially evenly arranged with pin grooves；Lower house (11) upper end sets one and encloses
Raised outer rim, lower house (11) top is circumferentially uniformly arranged three waist through hole, and lower house (11) middle part is circumferential to be uniformly arranged four
Individual inclined hole connects interior or exterior space, and lower house (11) bottom is circumferentially uniformly arranged two through hole connection interior or exterior spaces, lower house (11)
Inner chamber middle part is provided with step；Thrust bearing a (7) is in the raised step on upper axis body (6) top；Thrust bearing b (12)
On the middle bench of lower house (11) inner chamber；Diversion shell (8) upper end and universal shaft housing (4) lower end screwed connection, lead
Stream housing (8) lower end and lower house (11) middle part screwed connection；Drive piston (10) top is set to cylinder, drive piston (10)
The cylindrical circumference in middle part is evenly arranged with pin grooves；Drive piston (10) Upper cylindrical and upper axis body (6) inner chamber middle part gap coordinate,
The space that trundle (9) is formed installed in drive piston (10) the cylindrical pin grooves in middle part and upper axis body (6) inner chamber lower pins groove
It is interior, drive piston (10) lower end and lower axis body (17) upper end screwed connection；Lower axis body (17) top is circumferentially uniformly arranged three tiltedly
Hole connects interior or exterior space, and lower axis body (17) middle part is cylindrical to set a circle groove；Two semi-ring clamps (13) are installed in lower axis body
(17) on the cylindrical groove in middle part, thrust bearing c (14) on two semi-ring clamp (13) end faces, be inserted in down by disc spring (15)
Axis body (17) is cylindrical on thrust bearing c (14) end face；It is anti-to cap off (16) and lower house (11) lower end screwed connection.
2. waterpower pulse formula according to claim 1 is spun helicoid hydraulic motor, it is characterized in that：The middle part of the upper axis body 6 is circumferential
After three waist through hole installations that four through holes and the top of lower house 11 being uniformly arranged circumferentially are uniformly arranged, positioned at same
At one axial cross section position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710315116.8A CN106894755B (en) | 2017-05-08 | 2017-05-08 | A kind of waterpower pulse formula is spun helicoid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710315116.8A CN106894755B (en) | 2017-05-08 | 2017-05-08 | A kind of waterpower pulse formula is spun helicoid hydraulic motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106894755A true CN106894755A (en) | 2017-06-27 |
| CN106894755B CN106894755B (en) | 2019-01-01 |
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ID=59197251
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710315116.8A Expired - Fee Related CN106894755B (en) | 2017-05-08 | 2017-05-08 | A kind of waterpower pulse formula is spun helicoid hydraulic motor |
Country Status (1)
| Country | Link |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165574A (en) * | 2017-07-13 | 2017-09-15 | 西南石油大学 | A kind of block stamp formula impacts helicoid hydraulic motor |
| CN107542405A (en) * | 2017-09-28 | 2018-01-05 | 山西风雷钻具有限公司 | Waterpower pulse helicoid hydraulic motor |
| CN108035679A (en) * | 2017-12-30 | 2018-05-15 | 贵州高峰石油机械股份有限公司 | A kind of method and pulse screw rod for improving helicoid hydraulic motor percussion drilling ability |
| CN108166928A (en) * | 2017-12-26 | 2018-06-15 | 中国石油集团渤海钻探工程有限公司 | There is the compound speed-raising helicoid hydraulic motor of axial vibration and rotational vibration |
| CN109268419A (en) * | 2018-11-08 | 2019-01-25 | 李少江 | A kind of drilling speed mechanism |
| CN109930987A (en) * | 2017-12-19 | 2019-06-25 | 中石化石油工程技术服务有限公司 | A kind of mechanical liquid type rock crushing tool, the drill string of multi-load coupling |
| CN111677449A (en) * | 2020-08-11 | 2020-09-18 | 中煤科工集团西安研究院有限公司 | Underground hydraulic pressurizing rotary directional screw drill tool for coal mine |
| CN112282652A (en) * | 2020-11-30 | 2021-01-29 | 西华大学 | Eccentric rotary punching reaming tool |
| CN112627721A (en) * | 2020-12-19 | 2021-04-09 | 李永和 | Continuous axial impact rock breaking hammer |
| CN114059918A (en) * | 2020-07-30 | 2022-02-18 | 中国石油化工集团有限公司 | Hydraulic pulse vibration integrated tool based on rotor driving |
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| CN106050177A (en) * | 2016-06-16 | 2016-10-26 | 西南石油大学 | Stick slip prevention torsion impact drilling tool |
| CN106089018A (en) * | 2016-06-16 | 2016-11-09 | 西南石油大学 | A kind of high-frequency torsional pulse drilling tool |
| CN106168118A (en) * | 2016-07-04 | 2016-11-30 | 西南石油大学 | A kind of Worm-gear type drillstring in horizontal section is sent into instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2008138226A1 (en) * | 2007-05-14 | 2008-11-20 | Chenglin Wu | Screw energy converter |
| CN102777122A (en) * | 2012-08-16 | 2012-11-14 | 熊继有 | Impact screw drilling tool |
| CN104033113A (en) * | 2014-06-27 | 2014-09-10 | 西南石油大学 | Rotary screw drill tool |
| CN105221074A (en) * | 2015-09-18 | 2016-01-06 | 西南石油大学 | A kind of drilling well antifriction instrument |
| CN105735916A (en) * | 2016-03-25 | 2016-07-06 | 西南石油大学 | Crawling horizontal well drill string feed-in tool |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165574A (en) * | 2017-07-13 | 2017-09-15 | 西南石油大学 | A kind of block stamp formula impacts helicoid hydraulic motor |
| CN107542405A (en) * | 2017-09-28 | 2018-01-05 | 山西风雷钻具有限公司 | Waterpower pulse helicoid hydraulic motor |
| CN109930987A (en) * | 2017-12-19 | 2019-06-25 | 中石化石油工程技术服务有限公司 | A kind of mechanical liquid type rock crushing tool, the drill string of multi-load coupling |
| CN108166928A (en) * | 2017-12-26 | 2018-06-15 | 中国石油集团渤海钻探工程有限公司 | There is the compound speed-raising helicoid hydraulic motor of axial vibration and rotational vibration |
| CN108166928B (en) * | 2017-12-26 | 2019-04-12 | 中国石油集团渤海钻探工程有限公司 | Compound speed-raising helicoid hydraulic motor with axial vibration and rotational vibration function |
| CN108035679A (en) * | 2017-12-30 | 2018-05-15 | 贵州高峰石油机械股份有限公司 | A kind of method and pulse screw rod for improving helicoid hydraulic motor percussion drilling ability |
| CN109268419A (en) * | 2018-11-08 | 2019-01-25 | 李少江 | A kind of drilling speed mechanism |
| CN114059918A (en) * | 2020-07-30 | 2022-02-18 | 中国石油化工集团有限公司 | Hydraulic pulse vibration integrated tool based on rotor driving |
| CN111677449A (en) * | 2020-08-11 | 2020-09-18 | 中煤科工集团西安研究院有限公司 | Underground hydraulic pressurizing rotary directional screw drill tool for coal mine |
| CN111677449B (en) * | 2020-08-11 | 2020-12-01 | 中煤科工集团西安研究院有限公司 | Underground hydraulic pressurizing rotary directional screw drill tool for coal mine |
| 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 |
| CN112627721A (en) * | 2020-12-19 | 2021-04-09 | 李永和 | Continuous axial impact rock breaking hammer |
| CN112627721B (en) * | 2020-12-19 | 2022-11-01 | 盘锦卓汇钻井技术开发有限责任公司 | Continuous axial impact rock breaking hammer |
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