CN105332655A - Three-dimensional hydroscillator - Google Patents
Three-dimensional hydroscillator Download PDFInfo
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- CN105332655A CN105332655A CN201510838286.5A CN201510838286A CN105332655A CN 105332655 A CN105332655 A CN 105332655A CN 201510838286 A CN201510838286 A CN 201510838286A CN 105332655 A CN105332655 A CN 105332655A
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- main shaft
- pipe nipple
- nipple
- oscillating
- vibration pipe
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- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention relates to a three-dimensional hydroscillator, and belongs to the technical field of petroleum and natural gas mining drilling tools. The hydroscillator comprises an oscillating nipple and a power nipple, wherein the oscillating nipple and the power nipple are in threaded connection; the oscillating nipple comprises a spline shaft, a connecting sleeve, an oscillating nipple sheath and a belleville spring; the connecting sleeve sleeves the spline shaft; the oscillating nipple sheath is arranged on the spline shaft at one side of the connecting sleeve; the oscillating nipple sheath and the connecting sleeve are in threaded connection; and the belleville spring is arranged on the spline shaft in the oscillating nipple sheath. The hydroscillator is simple and compact in structure; radial vibration and axial vibration can be achieved in a drilling process; three-dimensional abrasion reduction and drag reduction are achieved; the penetration rate can be effectively improved; the three-dimensional hydroscillator does not include a fixed valve block or a movable valve block of a conventional oscillator; the effects of a movable valve and a fixed valve are generated through relative motion of a runner opening and an inner boss, so that a pressure pulse is generated to achieve axial vibration; the wearing effect can also be reduced; and the penetration rate can be effectively improved to reach a relatively good drag reduction effect.
Description
Technical field
The present invention relates to a kind of three-dimensional hydraulic oscillator, belong to oil, natural gas extraction drilling tool technical field.
Background technology
In drilling process, frictional resistance is the key factor affecting drilling speed.During conventional drilling, between drilling assembly and the borehole wall, be in static friction state.No matter be straight well, directional well or horizontal well, frictional resistance in drilling process between drill string and the borehole wall is all the key factor affecting drilling speed, the additional torque caused by drilling assembly and wall friction and frictional resistance cause rate of penetration low, tool-face controls difficulty, creep into chi for single time little, abnormal serious drill string and bit wear etc., when accumulation frictional force exceedes applied the pressure of the drill, just there will be backing pressure phenomenon, force tubing string generation dextrorotation to bend or Helical Buckling.Special in horizontal well drilling process, drilling tool in the larger well section of hole curvature, or can produce larger frictional resistance, backing pressure phenomenon crossing long horizontal sections, effectively cannot apply the pressure of the drill.The rate of penetration that frictional resistance is large, backing pressure problem not only has a strong impact on horizontal well, also easily causes the generation of the down-hole complex accident such as sticky card simultaneously.Creep into the large problem of frictional resistance for solving above-mentioned horizontal well, association area scholar has carried out large quantity research, adds on sliding agent, tubing string and installs roller, use stabilizer and hydraulic pressurizer etc.Practice shows, utilizes the domestic and international expert of waterpower to have developed the hydroscillator of generation axial vibration for reducing frictional resistance, has better effects.But hydroscillator only produces axial vibration, fall and wear away resistance limited efficiency.
Summary of the invention
The object of the invention is to: provide in a kind of drilling process and can realize radial direction and axial vibration, the static friction in drilling process is become dynamic friction, effectively can reduce frictional resistance, improve the three-dimensional hydraulic oscillator that machinery creeps into.
Technical scheme of the present invention is:
A kind of three-dimensional hydraulic oscillator, comprise vibration pipe nipple and power sub, vibration pipe nipple and power sub are threaded each other, it is characterized in that: described vibration pipe nipple is made up of splined shaft, adapter sleeve, vibration pipe nipple overcoat and butterfly spring, splined shaft is set with adapter sleeve, the splined shaft of adapter sleeve side is equipped with vibration pipe nipple overcoat, vibration pipe nipple overcoat is threaded with between adapter sleeve; Splined shaft in vibration pipe nipple overcoat is provided with butterfly spring;
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, and the main shaft inside upper end cover and bottom end cover is provided with Sealing shield ring respectively by sealed base and sealing ring; Main shaft between upper end cover and sealed base is equipped with hold-down ring by clamping sleeve, the external surface of main shaft housing is symmetrically arranged with outer lug boss, the middle part of main shaft shell inner surface is provided with inner convex platform, the main shaft of inner convex platform side is provided with restrictor ring by adjusting sleeve A, the main shaft of restrictor ring side is provided with thrust bearing A by adjusting sleeve B; The main shaft of inner convex platform opposite side is provided with adjusting sleeve C, the main shaft of adjusting sleeve C side is equipped with thrust bearing B by back-up ring, the main shaft of adjusting sleeve C opposite side is symmetrically installed with alignment bearing, the main shaft between alignment bearing is provided with turbine rotor and turbine stator by adjusting sleeve D.
The termination of described splined shaft is circumferentially provided with external screw thread, and the inwall of vibration pipe nipple overcoat one end is provided with internal thread.
Sealing ring is provided with between described adapter sleeve and splined shaft.
The termination of described main shaft one end is provided with external screw thread.
The invention has the beneficial effects as follows:
This three-dimensional hydraulic oscillator, simple and compact for structure, radial vibration and axial vibration can be realized in drilling process, and realize falling of three-dimensional level and wear away resistance, effectively can improve rate of penetration.And what this three-dimensional hydraulic oscillator did not have a traditional oscillators determines valve and dynamic valve valve block, produce dynamic valve by the relative motion of runner mouth and shell inner convex platform and determine valve effect, and then generation pressure pulse realizes axial vibration, wearing and tearing effect can also be reduced, effectively can improve rate of penetration, reach good drag-reduction effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of power sub of the present invention;
Fig. 3 is the structural representation of vibration pipe nipple of the present invention;
Fig. 4 be Figure 1A-A to structural representation.
In figure: 1, 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, 14, 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, adjusting sleeve C, 22, back-up ring, 23, thrust bearing B, 24, alignment bearing, 25, adjusting sleeve D.
Detailed description of the invention
This three-dimensional hydraulic oscillator comprises vibration pipe nipple and power sub.Vibration pipe nipple is made up of splined shaft 1, adapter sleeve 2, vibration pipe nipple overcoat 3 and butterfly spring 4, splined shaft 1 is set with adapter sleeve 2, the splined shaft 1 of adapter sleeve 2 side is equipped with vibration pipe nipple overcoat 3, and vibration pipe nipple overcoat 3 is threaded with between adapter sleeve 2; Splined shaft 1 in vibration pipe nipple overcoat 3 is provided with butterfly spring 4; Sealing ring is provided with between adapter sleeve 2 and splined shaft 1.Splined shaft 1 and adapter sleeve 2 are for being slidably connected, and splined shaft 1 is 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 5 is provided with main shaft housing 6, one end of main shaft housing 6 is provided with upper end cover 10 by bolt, the other end screw thread of main shaft housing 6 is provided with bottom end cover 11, and the main shaft 5 inside upper end cover 10 and bottom end cover 11 is provided with Sealing shield ring 13 respectively by sealed base 12 and sealing ring; Main shaft 5 between upper end cover 10 and sealed base 13 is equipped with hold-down ring 15 by clamping sleeve 14.
The external surface of main shaft housing 6 is symmetrically arranged with outer lug boss 16, and the middle part of main shaft housing 6 inner surface is provided with inner convex platform 17.The main shaft 2 of inner convex platform 16 side is provided with restrictor ring 19 by adjusting sleeve A18, the main shaft 5 of restrictor ring 19 side is provided with thrust bearing A7 by adjusting sleeve B20; The main shaft 5 of inner convex platform 17 opposite side is provided with adjusting sleeve C21.The main shaft 5 of adjusting sleeve C21 side is equipped with thrust bearing B23 by back-up ring 22.The main shaft 2 of adjusting sleeve C21 opposite side is symmetrically installed with alignment bearing 24.Main shaft 5 between alignment bearing 24 is provided with turbine rotor 8 and turbine stator 9 by adjusting sleeve D25.
The termination of the splined shaft 1 of this three-dimensional hydraulic oscillator is circumferentially provided with external screw thread, and the inwall of vibration pipe nipple overcoat 3 one end is provided with internal thread.The termination of main shaft 2 one end is provided with external screw thread.To be cooperatively interacted with the external screw thread of main shaft 2 termination by the internal thread of the pipe nipple overcoat 3 that vibrates between vibration pipe nipple and power sub and be threaded.
During this three-dimensional hydraulic oscillator operation, because butterfly spring 4 is arranged in the annular space that splined shaft 1 and vibration pipe nipple overcoat 3 formed, simple harmonic quantity compression wave is delivered to butterfly spring 4, drives vibration pipe nipple overcoat 3 producing simple harmonic oscillation axial.
Drilling fluid enters main shaft 5 and enters turbine portion from runner, turbine rotor 8 is driven to rotate, turbine rotor 8 drives main shaft housing 6 to rotate together, the symmetrically arranged outer lug boss 16 of main shaft housing 6 external surface is in 180 ° of distributions, when main shaft housing 6 rotates, when outer lug boss 16 contacts with the borehole wall, other parts of drilling tool depart from the borehole wall.Main shaft housing 6 cycle rotates, and can realize radial vibration.
Inner convex platform 17 and the drilling fluid outlet runner of main shaft housing 6 inner surface form dynamic valve and determine valve, and inner convex platform 17 is in 120 ° of distributions, and 3 corresponding 3 runner mouths of inner convex platform 17, inner convex platform 17 width is slightly less than runner mouth width.When drilling fluid drives turbine rotor 8 to rotate together with main shaft housing 6, the folding of property performance period between inner convex platform 17 and runner mouth, can produce periodic pressure pulse, produces axial vibration.
Thrust bearing A7 on main shaft 5 and restrictor ring 19 have allowed a small amount of slurry liquid to enter thrust bearing part, can play lubrication.Thrust bearing A7 is used for bearing axial force.Thrust ball axle B23 holds for bearing opposite side axial force.
Sealed base 12, Sealing shield ring 13 form sealing device with sealing ring and realize sealing function.Clamping sleeve 14 and hold-down ring 15 are connected by screw, thus are pressed on main shaft 5 by clamping sleeve 14, for the axial location of leading portion.
This three-dimensional hydraulic oscillator is for preventing main shaft housing 6 axial motion, and adjusting sleeve A18 contacts with inner convex platform 17, and the axial force of generation is delivered to thrust bearing A7 by restrictor ring 19.Opposite side, adjusting sleeve C21 is designed with a shoulder, contacts, by axial force transmission to thrust bearing B23 with interior shoulder of main shaft housing 6.
This three-dimensional hydraulic oscillator, simple and compact for structure, effectively can reduce wearing and tearing, improve rate of penetration, reach good drag-reduction effect.
Claims (4)
1. a three-dimensional hydraulic oscillator, comprise vibration pipe nipple and power sub, vibration pipe nipple and power sub are threaded each other, it is characterized in that: described vibration pipe nipple is made up of splined shaft (1), adapter sleeve (2), vibration pipe nipple overcoat (3) and butterfly spring (4), splined shaft (1) is set with adapter sleeve (2), the splined shaft (1) of adapter sleeve (2) side is equipped with vibration pipe nipple overcoat (3), vibration pipe nipple overcoat (3) is threaded with between adapter sleeve (2); Splined shaft (1) in vibration pipe nipple overcoat (3) is provided with butterfly spring (4);
Described power sub is made up of main shaft (5), main shaft housing (6), turbine rotor (8) and turbine stator (9); Main shaft (5) is provided with main shaft housing (6), one end of main shaft housing (6) is provided with upper end cover (10) by bolt, the other end screw thread of main shaft housing (6) is provided with bottom end cover (11), and the main shaft (5) of upper end cover (10) and bottom end cover (11) inner side is provided with Sealing shield ring (13) respectively by sealed base (12) and sealing ring; Main shaft (5) between upper end cover (10) and sealed base (12) is equipped with hold-down ring (15) by clamping sleeve (14), the external surface of main shaft housing (6) is symmetrically arranged with outer lug boss (16), the middle part of main shaft housing (6) inner surface is provided with inner convex platform (17), by adjusting sleeve A(18 on the main shaft (5) of inner convex platform (17) side) restrictor ring (19) is installed, by adjusting sleeve B(20 on the main shaft (5) of restrictor ring (19) side) thrust bearing A(7 is installed); The main shaft (5) of inner convex platform (17) opposite side is provided with adjusting sleeve C(21), adjusting sleeve C(21) side main shaft (5) on by back-up ring (22), thrust bearing B(23 is housed), adjusting sleeve C(21) opposite side main shaft (5) on be symmetrically installed with alignment bearing (24), by adjusting sleeve D(25 on the main shaft (5) between alignment bearing (24)) turbine rotor (8) and turbine stator (9) are installed.
2. a kind of three-dimensional hydraulic oscillator according to claim 1, is characterized in that: the termination of described splined shaft (1) is circumferentially provided with external screw thread, and the inwall of vibration pipe nipple overcoat (3) one end is provided with internal thread.
3. a kind of three-dimensional hydraulic oscillator according to claim 1, is characterized in that: be provided with sealing ring between described adapter sleeve (2) and splined shaft (1).
4. a kind of three-dimensional hydraulic oscillator according to claim 1, is characterized in that: the termination of described main shaft (5) one end is provided with external screw thread.
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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510838286.5A CN105332655B (en) | 2015-11-26 | 2015-11-26 | A kind of three-dimensional hydraulic oscillator |
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| Publication Number | Publication Date |
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| CN105332655A true CN105332655A (en) | 2016-02-17 |
| CN105332655B CN105332655B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510838286.5A Expired - Fee Related CN105332655B (en) | 2015-11-26 | 2015-11-26 | A kind of three-dimensional hydraulic oscillator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN106593308A (en) * | 2016-12-14 | 2017-04-26 | 长江大学 | Near-bit three-dimensional jar |
| CN106703716A (en) * | 2017-01-12 | 2017-05-24 | 长江大学 | Hydraulic drive turbine type reaming guide shoe tool |
| CN106917586A (en) * | 2017-05-09 | 2017-07-04 | 长江大学 | A kind of Well screw hydroscillator |
| WO2018026849A1 (en) * | 2016-08-02 | 2018-02-08 | National Oilwell Varco, L.P. | Drilling tool with non-synchronous oscillators and method of using same |
| CN107956423A (en) * | 2017-12-19 | 2018-04-24 | 中南大学 | Eddy current type oscillating jet pressure pulse friction reducer |
| CN109555484A (en) * | 2019-01-21 | 2019-04-02 | 杰瑞能源服务有限公司 | One kind wearing cable hydroscillator |
| CN111021961A (en) * | 2020-01-03 | 2020-04-17 | 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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| CN103422814A (en) * | 2012-05-15 | 2013-12-04 | 长江大学 | Three-dimensional waterpower vibrator for petroleum drilling |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11208846B2 (en) | 2016-08-02 | 2021-12-28 | National Oilwell DHT, L.P. | Drilling tool with non-synchronous oscillators and method of using same |
| WO2018026849A1 (en) * | 2016-08-02 | 2018-02-08 | National Oilwell Varco, L.P. | Drilling tool with non-synchronous oscillators and method of using same |
| CN109790743A (en) * | 2016-08-02 | 2019-05-21 | 国民油井Dht有限公司 | Drilling tool and its application method with nonsynchronous vibrator |
| US10358872B2 (en) | 2016-08-02 | 2019-07-23 | National Oilwell DHT, L.P. | Drilling tool with non-synchronous oscillators and method of using same |
| CN109790743B (en) * | 2016-08-02 | 2020-05-12 | 国民油井Dht有限公司 | Drilling tool with asynchronous oscillator and method of use thereof |
| 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 |
| CN106593308A (en) * | 2016-12-14 | 2017-04-26 | 长江大学 | Near-bit three-dimensional jar |
| CN106703716A (en) * | 2017-01-12 | 2017-05-24 | 长江大学 | Hydraulic drive turbine type reaming guide shoe tool |
| CN106917586A (en) * | 2017-05-09 | 2017-07-04 | 长江大学 | A kind of Well screw hydroscillator |
| CN107956423A (en) * | 2017-12-19 | 2018-04-24 | 中南大学 | Eddy current type oscillating jet pressure pulse friction reducer |
| 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 |
| CN111021961A (en) * | 2020-01-03 | 2020-04-17 | 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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| CN105332655B (en) | 2017-06-16 |
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Granted publication date: 20170616 Termination date: 20191126 |