CN104790876A - Petroleum drilling oscillator - Google Patents
Petroleum drilling oscillator Download PDFInfo
- Publication number
- CN104790876A CN104790876A CN201510238618.6A CN201510238618A CN104790876A CN 104790876 A CN104790876 A CN 104790876A CN 201510238618 A CN201510238618 A CN 201510238618A CN 104790876 A CN104790876 A CN 104790876A
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- CN
- China
- Prior art keywords
- urceolus
- valve block
- power
- vibration
- described power
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 20
- 239000003208 petroleum Substances 0.000 title abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000002184 metal Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000003068 static effect Effects 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a petroleum drilling oscillator. The petroleum drilling oscillator comprises a straight through outer power cylinder, a connector arranged at the bottom end of the outer power cylinder and a vibration device arranged at the top end of the outer power cylinder. A flow distribution device, a power device and a valve plate set are sequentially arranged in the outer power cylinder from top to bottom, a piston is arranged at the end, connected with the outer power cylinder, of the vibration device, the flow distribution device is connected with the power device through a pull rod, and the valve plate set is arranged between the connector and the power device. A turbine is adopted for the petroleum drilling oscillator to serve as a power source, a turbine component is a pure metal element, service life is greatly prolonged, and the petroleum drilling oscillator can be continuously used above 300 hours. Besides, the cost of the turbine component is low, so that overall manufacturing cost is reduced. All internal parts are installed in the straight through outer power cylinder, so that no eccentric motion occurs, and stability is better.
Description
Technical field
The present invention relates to a kind of oil drilling oscillator.
Background technology
In the complex structural well drilling process such as horizontal well, usually run into and drag the phenomenon such as pressure, sticky card, method conventional at present uses a kind of oscillator being provided power by positive displacement motor.The critical piece of positive displacement motor comprises stators and rotators two parts, because motor stator contains rubber constituent, in use usually occurs following several problem:
1, rubber belongs to consumable accessory, restricted lifetime, and positive displacement motor usually just weakness occurs in use after more than 100 hours, and generation comes off, falls the phenomenons such as block then.The life-span of positive displacement motor is scarcely more than 200 hours.
2, stator skin is metal material, and internal layer is quality of rubber materials, and downhole temperature increases with well depth increase, and unlike material temperature distortion degree is different, at high temperature stator hydraulic performance decline.
3, the stator of General Purpose Rubber material cannot use in oil-base mud, and the positive displacement motor price used in oil-base mud is very high.
4, positive displacement motor limits by stator and rotor sructure, and general size is comparatively large, and normal length is more than 2.5 meters.This positive displacement motor provides the oscillator overall length of power usually at more than 5m, and large scale can reach more than 7 meters.
Summary of the invention
The object of this invention is to provide a kind of oil drilling oscillator, to solve the problem.
For solving the problems of the technologies described above, the invention provides a kind of oil drilling oscillator, comprising straight-through power urceolus, being arranged on the joint of power urceolus bottom, and be arranged on the vibrating device on top of power urceolus; Part flow arrangement, power set and valve block group is provided with from top to bottom successively in power urceolus; One end that vibrating device is connected with power urceolus is provided with piston; Part flow arrangement is connected by pull bar with power set, and valve block group is arranged between joint and power set.
Further, vibrating device comprises the axostylus axostyle on the top being arranged on power urceolus, and axostylus axostyle is provided with vibration urceolus, and one end of vibration urceolus is connected with spline with axostylus axostyle by vibration cover joint, and the other end and the power urceolus of vibration urceolus are threaded connection; Be provided with dished spring assembly between vibration urceolus and axostylus axostyle, vibration urceolus extends between one end of power urceolus and axostylus axostyle and is provided with the first back-up ring, is provided with the spline that can produce relative sliding between vibration cover joint and axostylus axostyle.
Further, part flow arrangement comprises the spreader on the top being arranged on pull bar, and spreader is threaded connection the top at pull bar; Pull bar is provided with clutch shaft bearing, is provided with block plate between clutch shaft bearing and power urceolus.
Further, power set comprise the power transmission shaft be connected with the bottom of pull bar, be provided with turbine assembly between the upper end of power transmission shaft and power urceolus, be provided with some second bearings between the bottom of power transmission shaft and power urceolus, between some bearings and turbine assembly, be provided with the second back-up ring.
Further, valve block group comprises the first overlapped valve block and the second valve block; First valve block is fixed on the bottom of power transmission shaft 14, is provided with the first through hole in the middle part of it; First through hole is made up of two two semi-circular hole concentric with the first valve block, and the aperture of two semi-circular hole is different; Second valve block is fixed on one end of the connection of joint and power urceolus, is provided with the second through hole with the first through hole same shape size on the first valve block in the middle part of it.
Beneficial effect of the present invention is:
1, the application adopts turbine to do power source, and turbine assembly is simple metal element, and application life significantly improves, and can use more than 300 hours continuously.Further, turbine assembly cost is low, reduces overall cost.
2, the inner body of the application is all arranged in straight-through power urceolus, and any eccentric motion can not occur, and has better stability.
3, the length of the application is below 2.5 meters, shortens application length greatly, and manipulation difficulty reduces, and controllability strengthens.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment;
Fig. 2 is the partial enlarged drawing of the part flow arrangement of preferred embodiment;
Fig. 3 is the structural representation of the first valve block of preferred embodiment;
Structural representation when Fig. 4 is the aisle spare maximum rating of this valve block group formation;
Structural representation when Fig. 5 is the aisle spare minimum state of valve block group formation.
Wherein: 1, axostylus axostyle; 2, vibration cover joint; 3, urceolus is vibrated; 4, dished spring assembly; 5, the first back-up ring; 6, cylinder; 7, piston; 8, shelves dish; 9, spreader; 91, clutch shaft bearing; 92, pull bar; 10, turbine assembly; 101, turbine stator; 102, turbine rotor; 11, the second back-up ring; 12, power urceolus; 13, the second bearing; 14, power transmission shaft; 15, the first valve block; 151, the first through hole; 16, the second valve block; 161, the second through hole; 17, joint.
Detailed description of the invention
Below the specific embodiment of the present invention is described; so that those skilled in the art understand the present invention; but should be clear; the invention is not restricted to the scope of detailed description of the invention; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present invention determined, these changes are apparent, and all innovation and creation utilizing the present invention to conceive are all at the row of protection in appended claim.
Oil drilling oscillator as shown in Figure 1, comprises straight-through power urceolus 12, is arranged on the joint 17 of power urceolus 12 bottom, and is arranged on the vibrating device on top of power urceolus 12; Part flow arrangement, power set and valve block group is provided with from top to bottom successively in power urceolus 12; One end that vibrating device is connected with power urceolus 12 is provided with piston 7; Part flow arrangement is connected by pull bar 92 with power set, and valve block group is arranged between joint 17 and power set.
Respectively each assembly is described in detail below:
According to an embodiment of the application, vibrating device comprises the axostylus axostyle 1 on the top being arranged on power urceolus 12, axostylus axostyle 1 is provided with vibration urceolus 3, and one end of vibration urceolus 3 is connected with spline with axostylus axostyle 1 by vibration cover joint 2, and the other end and the power urceolus 12 of vibration urceolus 3 are threaded connection; Be provided with dished spring assembly 4 between vibration urceolus 3 and axostylus axostyle 1, vibration urceolus 3 extends between one end of power urceolus 12 and axostylus axostyle 1 and is provided with the first back-up ring 5, is provided with the spline that can produce relative sliding between vibration cover joint 2 and axostylus axostyle 1.
According to an embodiment of the application, part flow arrangement comprises the spreader 9 on the top being arranged on pull bar 92, and spreader 9 is threaded connection at the top at pull bar 92; Pull bar 92 is provided with clutch shaft bearing 91, is provided with block plate 8 between clutch shaft bearing 91 and power urceolus 12.Wherein spreader 9 can arrange the through hole of different-diameter size according to the actual requirements.
According to an embodiment of the application, power set comprise the power transmission shaft 14 be connected with the bottom of pull bar 92, turbine assembly 10 is provided with between the upper end of power transmission shaft 14 and power urceolus 12, be provided with between the bottom of power transmission shaft 14 and power urceolus 12 between some second bearing 13, second bearings 13 and turbine assembly 10 and be provided with the second back-up ring 11.
According to an embodiment of the application, valve block group comprises the first overlapped valve block 15 and the second valve block 16; First valve block 15 is fixed on the bottom of power transmission shaft 14, is provided with the first through hole 151 in the middle part of it; First through hole 151 is made up of two two semi-circular hole concentric with the first valve block 15, and the aperture of two semi-circular hole is different; Second valve block 16 is fixed on joint 17 and one end of the connection of power urceolus 12, is provided with the second through hole 161 with the first through hole 151 same shape size on the first valve block 15 in the middle part of it.
During work, fluid enters the application inside through the through hole of circulation valve block group, drives turbine assembly 10, turbine rotor 102 High Rotation Speed, drives power transmission shaft 14 and the first valve block 15 with same rotational speed High Rotation Speed; Second valve block 16 is fastened on power urceolus 12 by joint 17.First valve block 15, when high-speed rotation, forms with the through hole of the second valve block 16 that periodically size is staggered to be changed, and namely forms periodically variable hydraulic coupling.When the aisle spare that the first valve block and the second valve block 16 are formed is minimum, hydraulic coupling is maximum, and promotion axostylus axostyle 1, on the surface of piston 7, is produced the slip of Relative Vibration urceolus 3 by action of hydraulic force.When the aisle spare that the first valve block 15 and the second valve block 16 are formed is maximum, hydraulic coupling is minimum, and the dished spring assembly 4 now after compression extends, to promote piston 7 and axostylus axostyle 1 resets.Periodically variable hydraulic coupling forms periodic slip, produces effect of vibration.
The progression of turbine assembly 10 can be arranged as required, and the spacing of the first valve block 15 and the second valve block 16 can adjust as required, and spacing is less, and hydraulic coupling is larger, but its spacing should not too small or laminating.N group disc spring should arrange pretightning force when installing, and pretightning force is greater than 100N, and the size of pretightning force is relevant with hydraulic coupling.
The two ends of the application are equipped with the screw thread meeting the industry standard that American Petroleum Institute (API) formulates, and can be assemblied in any position in drill string.
In drilling process, the vibration that the application produces will drive the vibration of adjacent drilling assembly, and the static friction between the borehole wall and drilling assembly is converted into dynamic friction, significantly improve the duty in shaft bottom, solve and drag pressure, the difficult problems such as sticky card, significantly reduce costs, improve drilling efficiency.
Claims (5)
1. an oil drilling oscillator, is characterized in that, comprises straight-through power urceolus (12), is arranged on the joint (17) of described power urceolus (12) bottom, and is arranged on the vibrating device on top of described power urceolus (12); Part flow arrangement, power set and valve block group is provided with from top to bottom successively in described power urceolus (12); One end that described vibrating device is connected with described power urceolus (12) is provided with piston (7); Described part flow arrangement is connected by pull bar (92) with described power set, and described valve block group is arranged between described joint (17) and described power set.
2. oil drilling oscillator according to claim 1, it is characterized in that, described vibrating device comprises the axostylus axostyle (1) on the top being arranged on described power urceolus (12), described axostylus axostyle (1) is provided with vibration urceolus (3), one end of described vibration urceolus (3) is connected with one end of extending power urceolus (12) of described axostylus axostyle (1) by vibration cover joint (2), and the other end and the described power urceolus (12) of described vibration urceolus (3) are threaded connection; Dished spring assembly (4) is provided with between described vibration urceolus (3) and described axostylus axostyle (1), described vibration urceolus (3) extends between one end of described power urceolus (12) and described axostylus axostyle (1) and is provided with the first back-up ring (5), is provided with the spline that can produce relative sliding between vibration cover joint (2) and axostylus axostyle (1).
3. oil drilling oscillator according to claim 1, is characterized in that, described part flow arrangement comprises the spreader (9) on the top being arranged on described pull bar (92); Described pull bar (92) is provided with clutch shaft bearing (91), is provided with block plate (8) between described clutch shaft bearing (91) and described power urceolus (12).
4. oil drilling oscillator according to claim 1, it is characterized in that, described power set comprise the power transmission shaft (14) be connected with the bottom of described pull bar (92), turbine assembly (10) is provided with between the upper end of described power transmission shaft (14) and described power urceolus (12), be provided with some second bearings (13) between the bottom of described power transmission shaft (14) and described power urceolus (12), between described some bearings (13) and turbine assembly (10), be provided with the second back-up ring (11).
5. oil drilling oscillator according to claim 1, is characterized in that, described valve block group comprises overlapped the first valve block (15) and the second valve block (16); Described first valve block (15) is fixed on the bottom of described power transmission shaft (14), is provided with the first through hole (151) in the middle part of it; Described first through hole (151) is made up of two two semi-circular hole concentric with described first valve block (15), and the aperture of described two semi-circular hole is different; Described second valve block (16) is fixed on described joint (17) and one end of the connection of power urceolus (12), is provided with the second through hole (161) with the first through hole (151) the same shape size on described first valve block (15) in the middle part of it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510238618.6A CN104790876A (en) | 2015-05-12 | 2015-05-12 | Petroleum drilling oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510238618.6A CN104790876A (en) | 2015-05-12 | 2015-05-12 | Petroleum drilling oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104790876A true CN104790876A (en) | 2015-07-22 |
Family
ID=53556013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510238618.6A Pending CN104790876A (en) | 2015-05-12 | 2015-05-12 | Petroleum drilling oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104790876A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672885A (en) * | 2016-03-25 | 2016-06-15 | 中国地质大学（北京） | Turbine power type double-action hydraulic oscillating-drag-reduced drilling jig |
| CN105888554A (en) * | 2016-05-23 | 2016-08-24 | 宝鸡市远深石油设备新技术有限公司 | Hydraulic push-return impact oscillator |
| CN106223889A (en) * | 2016-08-31 | 2016-12-14 | 成都保瑞特钻头有限公司 | A kind of hydroscillator |
| CN107217990A (en) * | 2017-07-06 | 2017-09-29 | 中国石油天然气集团公司 | Fluid power vibration auxiliary casing pipe running device |
| CN107420061A (en) * | 2017-09-29 | 2017-12-01 | 西南石油大学 | Underbalance pulse oscillator |
| CN108386142A (en) * | 2018-03-20 | 2018-08-10 | 西南石油大学 | A kind of punching torsion coupling drag reduction antifriction tool |
| CN112065280A (en) * | 2020-09-29 | 2020-12-11 | 山西风雷钻具有限公司 | Vertical drilling tool |
| CN112832684A (en) * | 2021-03-02 | 2021-05-25 | 中国石油天然气集团有限公司 | Metal hydraulic oscillator |
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| US20090266612A1 (en) * | 2008-04-29 | 2009-10-29 | Smith International, Inc. | Vibrating downhole tool |
| CN203321322U (en) * | 2013-06-01 | 2013-12-04 | 成都中腾石油工程技术有限公司 | Friction resistance reducing tool capable of extending drilling footage |
| CN103615211A (en) * | 2013-12-12 | 2014-03-05 | 东北石油大学 | Drill pipe high-frequency vibration resistance-reducing device for petroleum drilling |
| CN104165027A (en) * | 2013-05-16 | 2014-11-26 | 长江大学 | Three-dimensional turbine vibrator for petroleum drilling |
| CN204283217U (en) * | 2014-11-10 | 2015-04-22 | 扬州市驰城石油机械有限公司 | Turbine oscillator |
| CN204646159U (en) * | 2015-05-12 | 2015-09-16 | 成都恩承油气有限公司 | A kind of oil drilling oscillator |
-
2015
- 2015-05-12 CN CN201510238618.6A patent/CN104790876A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090266612A1 (en) * | 2008-04-29 | 2009-10-29 | Smith International, Inc. | Vibrating downhole tool |
| CN104165027A (en) * | 2013-05-16 | 2014-11-26 | 长江大学 | Three-dimensional turbine vibrator for petroleum drilling |
| CN203321322U (en) * | 2013-06-01 | 2013-12-04 | 成都中腾石油工程技术有限公司 | Friction resistance reducing tool capable of extending drilling footage |
| CN103615211A (en) * | 2013-12-12 | 2014-03-05 | 东北石油大学 | Drill pipe high-frequency vibration resistance-reducing device for petroleum drilling |
| CN204283217U (en) * | 2014-11-10 | 2015-04-22 | 扬州市驰城石油机械有限公司 | Turbine oscillator |
| CN204646159U (en) * | 2015-05-12 | 2015-09-16 | 成都恩承油气有限公司 | A kind of oil drilling oscillator |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672885A (en) * | 2016-03-25 | 2016-06-15 | 中国地质大学（北京） | Turbine power type double-action hydraulic oscillating-drag-reduced drilling jig |
| CN105672885B (en) * | 2016-03-25 | 2017-11-14 | 中国地质大学（北京） | Turbo-power formula double acting hydraulic oscillation drag reduction drilling tool |
| CN105888554A (en) * | 2016-05-23 | 2016-08-24 | 宝鸡市远深石油设备新技术有限公司 | Hydraulic push-return impact oscillator |
| CN106223889A (en) * | 2016-08-31 | 2016-12-14 | 成都保瑞特钻头有限公司 | A kind of hydroscillator |
| CN107217990A (en) * | 2017-07-06 | 2017-09-29 | 中国石油天然气集团公司 | Fluid power vibration auxiliary casing pipe running device |
| CN107217990B (en) * | 2017-07-06 | 2023-09-26 | 中国石油天然气集团公司 | Hydraulic oscillation auxiliary casing running device |
| CN107420061A (en) * | 2017-09-29 | 2017-12-01 | 西南石油大学 | Underbalance pulse oscillator |
| CN108386142A (en) * | 2018-03-20 | 2018-08-10 | 西南石油大学 | A kind of punching torsion coupling drag reduction antifriction tool |
| CN112065280A (en) * | 2020-09-29 | 2020-12-11 | 山西风雷钻具有限公司 | Vertical drilling tool |
| CN112832684A (en) * | 2021-03-02 | 2021-05-25 | 中国石油天然气集团有限公司 | Metal hydraulic oscillator |
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| C06 | Publication | ||
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| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 610056 Sichuan Province, Chengdu City, bay 66 Applicant after: CHENGDU EN-SHAIN TECHNOLOGY INCORPORATION Applicant after: Sichuan Rongrui Huabao Technology Co.,Ltd. Address before: 610056 Sichuan Province, Chengdu City, bay 66 Applicant before: Chengdu En-Shine Oil & Gas Co., Ltd. Applicant before: Sichuan Rongrui Huabao Technology Co.,Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |
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| RJ01 | Rejection of invention patent application after publication |