CN105332655B - A kind of three-dimensional hydraulic oscillator - Google Patents
A kind of three-dimensional hydraulic oscillator Download PDFInfo
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- CN105332655B CN105332655B CN201510838286.5A CN201510838286A CN105332655B CN 105332655 B CN105332655 B CN 105332655B CN 201510838286 A CN201510838286 A CN 201510838286A CN 105332655 B CN105332655 B CN 105332655B
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- main shaft
- pipe nipple
- vibration
- vibration pipe
- adapter sleeve
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Abstract
The present invention relates to a kind of three-dimensional hydraulic oscillator, category oil, natural gas extraction drilling tool technical field.The oscillator includes vibration pipe nipple and power sub, vibration pipe nipple and power sub are threadedly coupled each other, described vibration pipe nipple is made up of splined shaft, adapter sleeve, vibration pipe nipple overcoat and butterfly spring, adapter sleeve is set with splined shaft, equipped with vibration pipe nipple overcoat on the splined shaft of adapter sleeve side, it is threadedly coupled between vibration pipe nipple overcoat and adapter sleeve；Butterfly spring is installed on splined shaft in vibration pipe nipple overcoat；The oscillator, it is simple and compact for structure, radial vibration and axial vibration are capable of achieving in drilling process, and realize that the drop of three-dimensional level wears away resistance, rate of penetration can be effectively improved.And what the three-dimensional hydraulic oscillator did not had a traditional oscillators determines valve with dynamic valve valve block, produced by runner mouthful and the relative motion of inner convex platform and move valve and determine valve effect, and then produce pressure pulse to realize axial vibration, abrasion effect can also be reduced, rate of penetration can be effectively improved, preferable drag-reduction effect is reached.
Description
Technical field
The present invention relates to a kind of three-dimensional hydraulic oscillator, category oil, natural gas extraction drilling tool technical field.
Background technology
In drilling process, frictional resistance is the key factor for influenceing drilling speed.During conventional drilling, locate between BHA and the borehole wall
In static friction state.Either straight well, directional well or horizontal well, the frictional resistance in drilling process between drill string and the borehole wall is all shadow
The key factor of drilling speed is rung, the additional torque as caused by BHA with wall friction causes rate of penetration low with frictional resistance, work
The control of tool face is difficult, and seldom, abnormal serious drill string and bit wear etc. are applied single time drilling chi when accumulation frictional force exceedes
During the pressure of the drill, backing pressure phenomenon just occurs, force tubing string that dextrorotation bending or Helical Buckling occur.Especially in horizontal well drilling process
In, drilling tool can produce larger frictional resistance, backing pressure phenomenon in the larger well section of hole curvature, or long horizontal sections are crossed, it is impossible to effectively apply
Plus the pressure of the drill.Frictional resistance is big, backing pressure problem not only has a strong impact on the rate of penetration of horizontal well, while also easily causing the undergrounds such as viscous card to be answered
The generation of miscellaneous affair event.Big to solve the problems, such as above-mentioned horizontal well drilling frictional resistance, association area scholar has carried out numerous studies, addition
Roller is installed on lubricant, tubing string, stabilizer and hydraulic pressurizer etc. is used.Practice have shown that, using waterpower, domestic and international expert grinds
Having made the hydroscillator of generation axial vibration is used to reduce frictional resistance, with better effects.But hydroscillator only produces axle
To vibration, drop mill drag-reduction effect is limited.
The content of the invention
It is an object of the invention to：Achievable radial direction and axial vibration in a kind of drilling process are provided, by drilling process
In static friction be changed into dynamic friction, can effectively reduce frictional resistance, improve the three-dimensional hydraulic oscillator of machinery drilling.
The technical scheme is that：
A kind of three-dimensional hydraulic oscillator, including vibration pipe nipple and power sub, vibration pipe nipple and power sub are each other
Threaded connection, it is characterised in that：Described vibration pipe nipple is made up of splined shaft, adapter sleeve, vibration pipe nipple overcoat and butterfly spring,
Adapter sleeve is set with splined shaft, equipped with vibration pipe nipple overcoat on the splined shaft of adapter sleeve side, pipe nipple overcoat is vibrated and is connected
It is threadedly coupled between set；Butterfly spring is installed on splined shaft in vibration pipe nipple overcoat；
Described power sub is made up of main shaft, main shaft housing, turbine rotor and turbine stator；Main shaft is provided with main shaft
Housing, one end of main shaft housing is provided with upper end cover by bolt, and the other end screw thread of main shaft housing is provided with bottom end cover, upper end
Sealing shield ring is provided with by sealed base and sealing ring respectively on main shaft on the inside of lid and bottom end cover；Upper end cover and sealing bottom
Hold-down ring is equipped with by clamping sleeve on main shaft between seat, the outer surface of main shaft housing is symmetrically arranged with outer lug boss, main shaft housing
The middle part of inner surface is provided with inner convex platform, and restrictor ring, restrictor ring are provided with by adjusting sleeve A on the main shaft of inner convex platform side
Thrust bearing A is provided with by adjusting sleeve B on the main shaft of side；Adjusting sleeve C is provided with the main shaft of inner convex platform opposite side, is adjusted
Thrust bearing B is equipped with by back-up ring on the main shaft of set C sides, alignment bearing is symmetrically installed with the main shaft of adjusting sleeve C opposite sides,
Turbine rotor and turbine stator are provided with by adjusting sleeve D on main shaft between alignment bearing.
The termination of described splined shaft is provided circumferentially about external screw thread, is provided with the inwall of vibration pipe nipple overcoat one end interior
Screw thread.
Sealing ring is provided between described adapter sleeve and splined shaft.
External screw thread is provided with the termination of described main shaft one end.
The beneficial effects of the invention are as follows：
The three-dimensional hydraulic oscillator, it is simple and compact for structure, radial vibration and axial vibration are capable of achieving in drilling process,
And realize that the drop of three-dimensional level wears away resistance, rate of penetration can be effectively improved.And the three-dimensional hydraulic oscillator does not have tradition to shake
That swings device determines valve and dynamic valve valve block, is produced by runner mouthful and the relative motion of shell inner convex platform and moves valve and determine valve effect, and then
Produce pressure pulse to realize axial vibration, abrasion effect can also be reduced, rate of penetration can be effectively improved, reach preferable drag reduction effect
Really.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of power sub of the invention；
Fig. 3 is the structural representation of vibration pipe nipple of the invention；
Fig. 4 be Figure 1A-A to structural representation.
In figure：1st, splined shaft, 2, adapter sleeve, 3, vibration pipe nipple overcoat, 4, butterfly spring, 5, main shaft, 6, main shaft housing, 7,
Thrust bearing A, 8, turbine rotor, 9, turbine stator, 10, upper end cover, 11, bottom end cover, 12, sealed base, 13, Sealing shield ring,
14th, clamping sleeve, 15, hold-down ring, 16, outer lug boss, 17, inner convex platform, 18, adjusting sleeve A, 19, restrictor ring, 20, adjusting sleeve B, 21, adjust
A whole set of C, 22, back-up ring, 23, thrust bearing B, 24, alignment bearing, 25, adjusting sleeve D.
Specific embodiment
The three-dimensional hydraulic oscillator includes vibration pipe nipple and power sub.Vibration pipe nipple is by splined shaft 1, adapter sleeve 2, vibration
Pipe nipple overcoat 3 and butterfly spring 4 are constituted, and adapter sleeve 2 is set with splined shaft 1, are equipped with the splined shaft 1 of the side of adapter sleeve 2 and shaken
Pipe nipple overcoat 3 is swung, is threadedly coupled between vibration pipe nipple overcoat 3 and adapter sleeve 2；Installed on splined shaft 1 in vibration pipe nipple overcoat 3
There is butterfly spring 4；Sealing ring is provided between adapter sleeve 2 and splined shaft 1.Splined shaft 1 is to be slidably connected with adapter sleeve 2, spline
Axle 1 is used for transmitting torque.
Power sub is made up of main shaft 5, main shaft housing 6, turbine rotor 8 and turbine stator 9；Main shaft is provided with main shaft 5
Housing 6, one end of main shaft housing 6 is provided with upper end cover 10 by bolt, and the other end screw thread of main shaft housing 6 is provided with bottom end cover
11, Sealing shield ring 13 is provided with by sealed base 12 and sealing ring respectively on the main shaft 5 on the inside of upper end cover 10 and bottom end cover 11；
Hold-down ring 15 is equipped with by clamping sleeve 14 on main shaft 5 between upper end cover 10 and sealed base 13.
The outer surface of main shaft housing 6 is symmetrically arranged with outer lug boss 16, in the middle part of the inner surface of main shaft housing 6 is provided with
Boss 17.Restrictor ring 19 is provided with by adjusting sleeve A18 on the main shaft 2 of the side of inner convex platform 16, on the main shaft 5 of the side of restrictor ring 19
Thrust bearing A7 is provided with by adjusting sleeve B20；Adjusting sleeve C21 is provided with the main shaft 5 of the opposite side of inner convex platform 17.Adjusting sleeve
Thrust bearing B23 is equipped with by back-up ring 22 on the main shaft 5 of C21 sides.It is symmetrically installed with the main shaft 2 of adjusting sleeve C21 opposite sides
Alignment bearing 24.Turbine rotor 8 and turbine stator 9 are provided with by adjusting sleeve D25 on main shaft 5 between alignment bearing 24.
The termination of the splined shaft 1 of the three-dimensional hydraulic oscillator is provided circumferentially about external screw thread, the one end of vibration pipe nipple overcoat 3
Internal thread is provided with inwall.External screw thread is provided with the termination of the one end of main shaft 2.By shaking between vibration pipe nipple and power sub
The internal thread of pipe nipple overcoat 3 is swung to be threadedly coupled with the external screw thread mutual cooperation of the termination of main shaft 2.
During the three-dimensional hydraulic oscillator operation, formed with vibration pipe nipple overcoat 3 because butterfly spring 4 is arranged on splined shaft 1
Annular space in, simple harmonic quantity pressure wave is delivered to butterfly spring 4, drives vibration pipe nipple overcoat 3 axially producing simple harmonic oscillation.
Drilling fluid enters main shaft 5 and enters turbine portion from runner, drives turbine rotor 8 to rotate, and turbine rotor 8 drives main shaft
Housing 6 rotates together, and the symmetrically arranged outer lug boss 16 in the outer surface of main shaft housing 6 is distributed in 180 °, when main shaft housing 6 rotates,
When outer lug boss 16 is contacted with the borehole wall, drilling tool other parts depart from the borehole wall.The cycle of main shaft housing 6 rotates, you can realize radial vibration.
The inner convex platform 17 of the inner surface of main shaft housing 6 forms dynamic valve with valve, inner convex platform 17 is determined with drilling fluid outlet runner
120 ° of distributions, and 3 correspondence 3 runners mouthful of inner convex platform 17, the width of inner convex platform 17 are slightly less than runner mouthful width.When drilling fluid drives
When turbine rotor 8 rotates together with main shaft housing 6, the folding of property performance period between inner convex platform 17 and runner mouthful, you can produce
Periodic pressure pulse, produces axial vibration.
Thrust bearing A7 on main shaft 5 has allowed a small amount of slurry liquid to enter thrust bearing part with restrictor ring 19, can play
Lubrication.Thrust bearing A7 is used to bear axial force.Thrust ball axle B23 is held for bearing opposite side axial force.
Sealed base 12, Sealing shield ring 13 constitute sealing device and realize sealing function with sealing ring.Clamping sleeve 14 and compression
Ring 15 is connected by screw, so as to clamping sleeve 14 is pressed on main shaft 5, for the axially position of leading portion.
The three-dimensional hydraulic oscillator is produced to prevent the axial motion of main shaft housing 6, adjusting sleeve A18 from being contacted with inner convex platform 17
Axial force thrust bearing A7 can be delivered to by restrictor ring 19.Opposite side, adjusting sleeve C21 is designed with a shoulder, with main shaft
Shoulder is in contact in housing 6, and thrust bearing B23 is given by axial force transmission.
The three-dimensional hydraulic oscillator, it is simple and compact for structure, abrasion can be effectively reduced, rate of penetration is improved, reach preferably
Drag-reduction effect.
Claims (4)
1. a kind of three-dimensional hydraulic oscillator, including vibration pipe nipple and power sub, vibrate pipe nipple and power sub spiral shell each other
Line is connected, it is characterised in that：Described vibration pipe nipple is by splined shaft（1）, adapter sleeve（2）, vibration pipe nipple overcoat（3）With butterfly bullet
Spring（4）Constitute, splined shaft（1）On be set with adapter sleeve（2）, adapter sleeve（2）The splined shaft of side（1）It is upper to be equipped with outside vibration pipe nipple
Set（3）, vibrate pipe nipple overcoat（3）With adapter sleeve（2）Between be threadedly coupled；Vibration pipe nipple overcoat（3）Interior splined shaft（1）Upper peace
Equipped with butterfly spring（4）；
Described power sub is by main shaft（5）, main shaft housing（6）, turbine rotor（8）And turbine stator（9）Constitute；Main shaft（5）
On be provided with main shaft housing（6）, main shaft housing（6）One end upper end cover is provided with by bolt（10）, main shaft housing（6）It is another
Threaded one end is provided with bottom end cover（11）, upper end cover（10）And bottom end cover（11）The main shaft of inner side（5）It is upper respectively by sealing bottom
Seat（12）Sealing shield ring is installed with sealing ring（13）；Upper end cover（10）With sealed base（12）Between main shaft（5）On pass through
Clamping sleeve（14）Equipped with hold-down ring（15）, main shaft housing（6）Outer surface be symmetrically arranged with outer lug boss（16）, main shaft housing（6）
The middle part of inner surface is provided with inner convex platform（17）, inner convex platform（17）The main shaft of side（5）It is upper to pass through adjusting sleeve A（18）Install
Current limiting ring（19）, restrictor ring（19）The main shaft of side（5）It is upper to pass through adjusting sleeve B（20）Thrust bearing A is installed（7）；Convex
Platform（17）The main shaft of opposite side（5）On be provided with adjusting sleeve C（21）, adjusting sleeve C（21）The main shaft of side（5）It is upper to pass through back-up ring
（22）Equipped with thrust bearing B（23）, adjusting sleeve C（21）The main shaft of opposite side（5）On be symmetrically installed with alignment bearing（24）, righting
Bearing（24）Between main shaft（5）It is upper to pass through adjusting sleeve D（25）Turbine rotor is installed（8）And turbine stator（9）.
2. a kind of three-dimensional hydraulic oscillator according to claim 1, it is characterised in that：Described splined shaft（1）Termination
It is provided circumferentially about to have external screw thread, vibrate pipe nipple overcoat（3）Internal thread is provided with the inwall of one end.
3. a kind of three-dimensional hydraulic oscillator according to claim 1, it is characterised in that：Described adapter sleeve（2）With spline
Axle（1）Between be provided with sealing ring.
4. a kind of three-dimensional hydraulic oscillator according to claim 1, it is characterised in that：Described main shaft（5）The end of one end
External screw thread is provided with head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510838286.5A CN105332655B (en) | 2015-11-26 | 2015-11-26 | A kind of three-dimensional hydraulic oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510838286.5A CN105332655B (en) | 2015-11-26 | 2015-11-26 | A kind of three-dimensional hydraulic oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105332655A CN105332655A (en) | 2016-02-17 |
| CN105332655B true CN105332655B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510838286.5A Expired - Fee Related CN105332655B (en) | 2015-11-26 | 2015-11-26 | A kind of three-dimensional hydraulic oscillator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2019001409A (en) * | 2016-08-02 | 2019-06-20 | Nat Oilwell Dht Lp | Drilling tool with non-synchronous oscillators and method of using same. |
| CN106499357A (en) * | 2016-12-07 | 2017-03-15 | 中国石油集团西部钻探工程有限公司 | Hydroscillator |
| CN106593308B (en) * | 2016-12-14 | 2018-10-02 | 长江大学 | A kind of nearly drill bit three-dimensional bumper jar |
| CN106703716A (en) * | 2017-01-12 | 2017-05-24 | 长江大学 | Hydraulic drive turbine type reaming guide shoe tool |
| CN106917586B (en) * | 2017-05-09 | 2023-08-01 | 长江大学 | Screw type underground hydraulic oscillator |
| CN107956423B (en) * | 2017-12-19 | 2024-04-05 | 中南大学 | Vortex oscillating jet flow pressure pulse drag reduction tool |
| CN109555484A (en) * | 2019-01-21 | 2019-04-02 | 杰瑞能源服务有限公司 | One kind wearing cable hydroscillator |
| CN111021961B (en) * | 2020-01-03 | 2020-11-24 | 长江大学 | Push rod type three-dimensional hydraulic oscillator |
| CN112855059A (en) * | 2021-01-22 | 2021-05-28 | 中海油能源发展股份有限公司 | All-metal friction-reducing and resistance-reducing oscillation tool |
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| US8939200B1 (en) * | 2011-07-18 | 2015-01-27 | Dennis W. Gilstad | Tunable hydraulic stimulator |
| RU2542015C1 (en) * | 2014-02-07 | 2015-02-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ФГБОУ ВПО "КубГТУ") | Rotary hydraulic vibrator |
| CN205100878U (en) * | 2015-11-26 | 2016-03-23 | 长江大学 | Three -dimensional hydroscillator |
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2015
- 2015-11-26 CN CN201510838286.5A patent/CN105332655B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US8939200B1 (en) * | 2011-07-18 | 2015-01-27 | Dennis W. Gilstad | Tunable hydraulic stimulator |
| CN103422814A (en) * | 2012-05-15 | 2013-12-04 | 长江大学 | Three-dimensional waterpower vibrator for petroleum drilling |
| CN102817567A (en) * | 2012-07-30 | 2012-12-12 | 中国海洋石油总公司 | Underground repetitive shock irritation device and shock irritation method for oil and gas well drilling |
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| CN105332655A (en) | 2016-02-17 |
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Granted publication date: 20170616 Termination date: 20191126 |