CN102889067B - Can the cementing unit of multidirectional vibration - Google Patents
Can the cementing unit of multidirectional vibration Download PDFInfo
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- CN102889067B CN102889067B CN201210426614.7A CN201210426614A CN102889067B CN 102889067 B CN102889067 B CN 102889067B CN 201210426614 A CN201210426614 A CN 201210426614A CN 102889067 B CN102889067 B CN 102889067B
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- plum blossom
- multidirectional vibration
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- cementing
- worm gear
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Abstract
The invention discloses a kind of can the cementing unit of multidirectional vibration.Can the cementing unit of multidirectional vibration, comprise the body (1) of tubular, at least one worm gear joint (2) is provided with in the epimere of described body (1), described worm gear joint (2) is made up of flow guiding disc (21), axle (22), turbo blade (23), eccentric block (24), be provided with plum blossom rotor (3) and plum blossom stator (4) in the hypomere of described body (1), between the lower end of described plum blossom rotor (3) and described body (1), be provided with Compress Spring (5).The present invention is conducive to improving cementing quality, mainly works from the following aspects: 1. can shear mine water mud, thus reduces the gel strength of cement paste; 2. the multidirectional vibration of device and the shearing motion of eccentric turbine wheel are conducive to eliminating the bubble in cement paste; 3. the multidirectional vibration that instrument produces can improve displacement efficiency; 4., in prepad fluid and cleaning fluid, more effective cleaning well is conducive to.
Description
Technical field
The invention belongs to the technical field of oilfield drilling, specifically refer in a kind of setting of casing at oil drilling and well cementing operation, under sleeve pipe can be made, enter smooth and easy, to improve cementing quality instrument.
Background technology
In current drillng operation, when the end of job of a well section, need to carry out casing job, and cement the well.But when some hole anomalies, situation not in place under usually there will be sleeve pipe; In the well cementing operation of directional well, also often occur the problem of cementing quality difference, this problem such as groove, annular space be with pressure that causes operation field often to occur altering, has a strong impact on safety and the operation timeliness of field operation.
In order to improve cementing quality, some technician proposes corresponding vibration cementing device.But from the onsite application situation of Zhanjiang branch company of CNOOC, former vibration cementing instrument still has the following disadvantages: 1., instrument revolution amplitude and radial vibration amplitude excessive, cause the borehole wall be vulnerable to collision and cave in; 2., sleeve bottom do not have movable guide shoe, causes sleeve pipe not easily to enter down.
Above-mentioned discussion content object be to reader introduce may to below by the various aspects of technology relevant for the various aspects of the present invention be described and/or advocate, believe that this discussion content contributes to for reader with background's information, to be conducive to understanding various aspects of the present invention better, therefore, should be appreciated that it is discuss to read these with this angle, instead of admit prior art.
Summary of the invention
The object of the invention is to avoid deficiency of the prior art and provide a kind of can the cementing unit of multidirectional vibration, with solve some hole diameters irregular well cementing quality difference and sleeve pipe be difficult to smooth and easy under the difficult problem that enters.
Object of the present invention is achieved through the following technical solutions:
There is provided a kind of can the cementing unit of multidirectional vibration, comprise the body of tubular, at least one worm gear joint is provided with in the epimere of described body, described worm gear joint is made up of flow guiding disc, axle, turbo blade, eccentric block, be provided with plum blossom rotor and plum blossom stator in the hypomere of described body, between the lower end of described plum blossom rotor and described body, be provided with Compress Spring.
Wherein, two worm gears joints are provided with in the epimere of described body.
Wherein, movable guide shoe is established in the lower end of described body, and the lower end of described plum blossom rotor is connected with described movable guide shoe, is provided with one way valve in the fluid passage in described movable guide shoe.
Owing to have employed above-mentioned structure, the present invention has following beneficial effect:
1) structure is simple, and cost of investment is low;
2) be conducive to improving cementing quality, mainly work from the following aspects: 1. can shear mine water mud, thus reduce the gel strength of cement paste; 2. the multidirectional vibration of device and the shearing motion of eccentric turbine wheel are conducive to eliminating the bubble in cement paste; 3. the multidirectional vibration that instrument produces can improve displacement efficiency; 4., in prepad fluid and cleaning fluid, more effective cleaning well is conducive to;
3) the multidirectional vibration produced enters under being conducive to irregular well section sleeve pipe;
4) easy to operate, can oil gas field extensive use at sea.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to the following drawings.
Fig. 1 is can the structural representation of cementing unit of multidirectional vibration.
Fig. 2 is the cross-sectional view of plum blossom rotor and plum blossom stator.
Include: 1---body, 2---worm gear joint, 3---plum blossom rotor, 4---plum blossom stator, 5---Compress Spring, 6---movable guide shoe, 7---one way valve, 21---flow guiding disc, 22---axle, 23---turbo blade, 24---eccentric blocks in the drawings.
Detailed description of the invention
Technical scheme of the present invention is understood better in order to make those skilled in the art, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, it should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Core of the present invention be to provide a kind of can the cementing unit of multidirectional vibration, with solve some hole diameters irregular well cementing quality difference and sleeve pipe be difficult to smooth and easy under the difficult problem that enters.
As depicted in figs. 1 and 2, of the present invention can the cementing unit of multidirectional vibration, comprise the body 1 of tubular, in the epimere of described body 1, be provided with at least one worm gear joint 2, in the epimere of body 1 described in the present embodiment, be provided with two worm gears joints 2.Described worm gear joint 2 is made up of flow guiding disc 21, axle 22, turbo blade 23, eccentric block 24, and flow guiding disc 21 is provided with jet orifice, and worm gear joint 2 is the universal architecture in existing cementing unit, is not described in detail.Be provided with plum blossom rotor 3 and plum blossom stator 4 in the hypomere of described body 1, plum blossom stator 4 and body 1 fix, and can relatively rotate between plum blossom rotor 3 and plum blossom stator 4.Compress Spring 5 is provided with, the elastic force that Compress Spring 5 makes plum blossom rotor 3 be subject to upwards between the lower end of described plum blossom rotor 3 and described body 1.Movable guide shoe 6 is established in the lower end of described body 1, and the lower end of described plum blossom rotor 3 is connected with described movable guide shoe 6, is provided with one way valve 7 in the fluid passage in described movable guide shoe 6.
In drilling liner cementing operation, can be connected to the bottom of bunch tube by this device, after fluid flows through flow guiding disc, drive worm gear joint, worm gear joint can drive eccentric rotor vibrate, makes sleeve pipe produce radial and circumferential vibration; The fluid flow through after worm gear joint flows through between plum blossom rotor and plum blossom stator, and plum blossom rotor produces irregular oscillation under the mating reaction of the elastic force of fluid impingement force and Compress Spring, and by vibration passing to sleeve pipe, thus improve cementing quality.In addition, due to plum blossom rotor connection activity guide shoe, movable guide shoe also can be made to produce irregular oscillation, can further improve cementing quality.
Use well cementation vibratory tool of the present invention, concrete operations are as follows:
1. well cementation vibratory tool is connected on bunch tube bottom, and by sleeve pipe G.I.H;
2. when setting of casing is hampered, slow turn on pump, and increase discharge capacity gradually, tries to transfer sleeve pipe, until smoothly down to destination locations (the well section entered under easily can not turn on pump);
3. enter to destination locations down, operation procedure carries out well cementing operation routinely;
4., after well cementing operation terminates, termination of pumping, at this moment plum blossom rotor is not subject to fluid impact, and Compress Spring can automatically reset, and make movable guide shoe be close to body, annular fluid cannot return pit shaft.
Set forth a lot of detail in description above so that fully understand the present invention, but the present invention can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as limiting the scope of the invention.
In a word; those skilled in the art although the present invention illustrates above-mentioned preferred embodiment, should illustrate, although can carry out various change and remodeling; unless such change and remodeling deviate from scope of the present invention, otherwise all should be included in protection scope of the present invention.
Claims (2)
1. one kind can the cementing unit of multidirectional vibration, comprise the body (1) of tubular, at least one worm gear joint (2) is provided with in the epimere of described body (1), described worm gear joint (2) is by flow guiding disc (21), axle (22), turbo blade (23), eccentric block (24) forms, it is characterized in that: in the hypomere of described body (1), be provided with plum blossom rotor (3) and plum blossom stator (4), Compress Spring (5) is provided with between the lower end of described plum blossom rotor (3) and described body (1), the elastic force that Compress Spring (5) makes plum blossom rotor (3) be subject to upwards, movable guide shoe (6) is established in the lower end of described body (1), the lower end of described plum blossom rotor (3) is connected with described movable guide shoe (6), one way valve (7) is provided with in the fluid passage of described movable guide shoe (6).
2. according to claim 1 can the cementing unit of multidirectional vibration, it is characterized in that: in the epimere of described body (1), be provided with two worm gears joint (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426614.7A CN102889067B (en) | 2012-10-31 | 2012-10-31 | Can the cementing unit of multidirectional vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426614.7A CN102889067B (en) | 2012-10-31 | 2012-10-31 | Can the cementing unit of multidirectional vibration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102889067A CN102889067A (en) | 2013-01-23 |
| CN102889067B true CN102889067B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210426614.7A Expired - Fee Related CN102889067B (en) | 2012-10-31 | 2012-10-31 | Can the cementing unit of multidirectional vibration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425157A (en) * | 2020-05-02 | 2020-07-17 | 东北石油大学 | Hydraulic oscillation system |
| WO2021066655A1 (en) * | 2019-10-03 | 2021-04-08 | Callidus Capital B.V. | Vibrating cement injector |
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| CN104278964B (en) * | 2013-07-01 | 2016-06-29 | 长江大学 | Down-hole turbine hydraulic vibration cementing unit |
| CN104343412A (en) * | 2013-08-09 | 2015-02-11 | 胜利油田胜机石油装备有限公司 | Axial vibratory impulse well cementation method and device |
| CN104747119A (en) * | 2013-12-31 | 2015-07-01 | 中国石油化工集团公司 | Vibration well cementation device and vibration well cementation method |
| GB2543879A (en) * | 2015-07-17 | 2017-05-03 | Conocophillips Co | Well abandonment using vibration to assist cement placement |
| CN107130931B (en) * | 2017-07-13 | 2018-04-10 | 王玉朋 | Drifting eddy flow can drilling tool before sleeve pipe |
| CN107130930B (en) * | 2017-07-13 | 2018-05-15 | 王玉朋 | Drifting shakes drilling tool before a kind of casing |
| US10487604B2 (en) * | 2017-08-02 | 2019-11-26 | Saudi Arabian Oil Company | Vibration-induced installation of wellbore casing |
| CN111594096B (en) * | 2020-05-22 | 2021-04-30 | 中国农业大学 | Underground ultrasonic vibration well cementation system and vibration well cementation method thereof |
| CN113404431A (en) * | 2021-06-21 | 2021-09-17 | 中石化石油机械股份有限公司 | Three-dimensional vibration hydraulic oscillator and processing method |
| CN113638697A (en) * | 2021-06-21 | 2021-11-12 | 中石化石油机械股份有限公司 | Composite vibration hydraulic oscillator and manufacturing method thereof |
| CN113605852B (en) * | 2021-08-25 | 2022-05-10 | 中国农业大学 | Multipurpose vibration well cementation tool and using method and testing device thereof |
| CN115628025B (en) * | 2022-12-21 | 2023-08-18 | 中国石油集团川庆钻探工程有限公司 | Downhole tractor and coiled tubing tool |
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| RU1778275C (en) * | 1990-10-16 | 1992-11-30 | Государственно-Кооперативная Фирма "Биокор-Ханто" | Vibrating shoe of easing string |
| US7011156B2 (en) * | 2003-02-19 | 2006-03-14 | Ashmin, Lc | Percussion tool and method |
| CN200975230Y (en) * | 2006-12-02 | 2007-11-14 | 新疆石油管理局钻井工艺研究院 | Waterpower pulse vibration cementing guide shoe |
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| CN2632286Y (en) * | 2003-06-27 | 2004-08-11 | 尹永清 | Screw drilling tool |
| CN201050341Y (en) * | 2007-06-08 | 2008-04-23 | 苑洪君 | Double safety casing inclined guiding check valve |
| CN201883999U (en) * | 2010-12-10 | 2011-06-29 | 杨明合 | Novel turbine type downhole vibration cementing device |
| CN202850942U (en) * | 2012-10-31 | 2013-04-03 | 中国海洋石油总公司 | Well cementing device capable of vibrating in multi-direction |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021066655A1 (en) * | 2019-10-03 | 2021-04-08 | Callidus Capital B.V. | Vibrating cement injector |
| NL2023957B1 (en) * | 2019-10-03 | 2021-06-01 | Callidus Capital B V | Vibrating cement injector |
| CN111425157A (en) * | 2020-05-02 | 2020-07-17 | 东北石油大学 | Hydraulic oscillation system |
| CN111425157B (en) * | 2020-05-02 | 2021-11-19 | 东北石油大学 | Hydraulic oscillation system |
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| Publication number | Publication date |
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| CN102889067A (en) | 2013-01-23 |
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Granted publication date: 20160113 Termination date: 20181031 |