CN107100554A - Well cementation vibration pipe nipple - Google Patents

Well cementation vibration pipe nipple Download PDF

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Publication number
CN107100554A
CN107100554A CN201710400328.6A CN201710400328A CN107100554A CN 107100554 A CN107100554 A CN 107100554A CN 201710400328 A CN201710400328 A CN 201710400328A CN 107100554 A CN107100554 A CN 107100554A
Authority
CN
China
Prior art keywords
mandrel
land
pipe joint
centre bore
outside
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
Application number
CN201710400328.6A
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Chinese (zh)
Inventor
李勇龙
张新文
许晓晨
郭新超
翟亚锋
王文涛
范庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
CNPC Xibu Drilling Engineering Co Ltd
Original Assignee
CNPC Xibu Drilling Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CNPC Xibu Drilling Engineering Co Ltd filed Critical CNPC Xibu Drilling Engineering Co Ltd
Priority to CN201710400328.6A priority Critical patent/CN107100554A/en
Publication of CN107100554A publication Critical patent/CN107100554A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to oil well fixed operation technical field, it is well cementation vibration pipe nipple, it includes pipe joint, mandrel, up-hole plate, baffle plate, impeller, eccentric cam and guide shoe head, mandrel is provided with inside pipe joint, outside is provided with the first land in the middle part of mandrel, is less than the second land of the first land provided with diameter below the first land;Pipe joint upper inside wall is provided with upper land, and pipe joint upper inner, which is set with the outside of up-hole plate, up-hole plate upper end, is butted on land lower end, and the middle part of up-hole plate is provided with upper centre bore, and mandrel upper end passes centre bore and positioned at the top of upper centre bore.Reasonable and compact in structure of the present invention, it is easy to use, mandrel is rotated by wheel rotation, eccentric cam is driven by mandrel rotation, vibrating device is occurred the vibration of frequency low-amplitude by eccentric cam, drive pipe string to vibrate by the vibration of vibrating device, cement mortar is evenly distributed, cement mortar bonding quality is improved, good cementing quality can be reached.

Description

Well cementation vibration pipe nipple
Technical field
It is well cementation vibration pipe nipple the present invention relates to oil well fixed operation technical field.
Background technology
In oil well fixed operation technology, when carrying out traditional well cementing operation, when cement mortar is replaced in pipe it is outer to pipe when, water It is unclean that mud may settle or manage outer drilling fluid displacing, causes Cementation Quality poor, not only increases construction follow-up Remedy expense, completion time is extended again, is unfavorable for construction in later period, potential safety hazard will be brought.
The content of the invention
The invention provides well cementation vibration pipe nipple, the deficiency of above-mentioned prior art is overcome, it can effectively solve existing Exist during the insertion instrument well cementation of traditional tieback waste time and energy, efficiency of construction is relatively low, the problem of there is potential safety hazard.
The technical scheme is that realized by following measures:Well cementation vibration pipe nipple, including pipe joint, core Outside in the middle part of mandrel, mandrel is provided with inside axle, up-hole plate, baffle plate, impeller, eccentric cam and guide shoe head, pipe joint and is provided with first Land, is less than the second land of the first land below the first land provided with diameter;Pipe joint upper inside wall is provided with upper land, pipe Joint upper inner, which is set with the outside of up-hole plate, up-hole plate upper end, is butted on land lower end, and the middle part of up-hole plate is provided with upper center Hole, mandrel upper end passes centre bore and positioned at the top of upper centre bore, and mandrel phase can be made by being provided between upper centre bore and mandrel Up-hole plate is freely rotated and the descending upper limit part of up-hole plate can be limited, mandrel top, which is installed with, to be rotated with mandrel And the impeller below the upper limit part, the lower end seat of impeller is in the first land;Inwall is provided with lower ring in the middle part of pipe joint Groove, pipe joint inside middle portion is provided with the outside of the baffle plate being sleeved on the outside of the second land, baffle plate upper end and is butted on lower annular groove upper end, baffle plate Middle part is provided with lower centre bore, and mandrel lower end passes lower centre bore and below lower centre bore, lower to be set between centre bore and mandrel Having can be such that mandrel opposing flaps freely rotate and can limit the up lower limit part of baffle plate, and mandrel bottom is installed with can be with The eccentric cam that mandrel is rotated, the upper end of eccentric cam is butted on the lower end of the second land, and the lower end fixed installation of mandrel is restricted The descending spacing ring of eccentric cam;Plate circulation port is provided with up-hole plate, is provided with the middle part of pipe joint and is located at up-hole plate and baffle plate Between pipe circulation port;Guide shoe head upper outside is fixedly installed togather with pipe joint lower inside, guide shoe head upper end and baffle plate Lower end in contact is spacing.
Here is the further optimization and/or improvements to foregoing invention technical scheme:
Above-mentioned upper limit part may include upper pressing cap, deep groove ball bearing and upper gasket ring, and the upper end of mandrel has been connected through a screw thread There is upper gasket ring below pressure cap, upper pressing cap, be provided between correspondence upper pressing cap and upper gasket ring on the outside of the mandrel of position and be located at up-hole plate The deep groove ball bearing of inner side, upper centre bore upper inner is provided with upper centre bore land, and deep groove ball bearing upper end is located at upper centre bore Below land;Lower limit part is thrust bearing, and thrust bearing is butted on below the first land and is sleeved in the second land, thrust Bearing lower end is installed together with baffle plate.
Above-mentioned baffle plate upper surface can be provided with the baffle plate step being located between thrust bearing and pipe joint inwall.
It can be uniformly distributed with along the circumference on above-mentioned up-hole plate in the middle part of the plate circulation port that at least four diameters are not less than 20mm, pipe joint Outside is uniformly distributed with the pipe circulation port that at least four diameters are not less than 20mm along the circumference.
Above-mentioned impeller may include blade and wheel hub, and the oblique circumference uniform distribution of blade is on wheel hub and rotation direction is consistent, blade The angle of at least six and blade and horizontal plane is between 30 degree to 60 degree.
Above-mentioned mandrel upper outside can be provided with the inside of upper limit key, impeller provided with the impeller key that can be engaged with upper limit key Outside is provided with to be provided with the inside of lower limit key, eccentric cam in the middle part of groove, mandrel can be engaged fixed eccentric cam with lower limit key Keyway.
Above-mentioned spacing ring can be together by a threaded connection with mandrel lower end.
Above-mentioned guide shoe head can be together by a threaded connection with pipe joint.
Reasonable and compact in structure of the present invention, it is easy to use, by the way that displacement fluid is injected in pipe joint, in the promotion of displacement fluid Under effect, by impeller and eccentric cam Combination Design, make the present invention occur to vibrate and drive lower tube string to vibrate, make water Mud is evenly distributed, and prevents cement mortar from settling, and is conducive to cement mortar strong bonding, and subsequent field construction is played a role.
Brief description of the drawings
Accompanying drawing 1 is the main view broken section structural representation of preferred embodiment.
Accompanying drawing 2 is the cross section structure diagram at A-A in accompanying drawing 1.
Accompanying drawing 3 is the cross section structure diagram at B-B in accompanying drawing 1.
Coding in accompanying drawing is respectively:1 is pipe joint, and 2 be mandrel, and 3 be up-hole plate, and 4 be baffle plate, and 5 be impeller, and 6 be inclined Cardiac prominence wheel, 7 be guide shoe head, and 8 be the first land, and 9 be the second land, and 10 be upper land, and 11 be upper centre bore, and 12 be lower annular groove, 13 be lower centre bore, and 14 be spacing ring, and 15 be plate circulation port, and 16 be pipe circulation port, and 17 be upper pressing cap, and 18 be deep groove ball bearing, 19 be upper gasket ring, and 20 be upper centre bore land, and 21 be thrust bearing, and 22 be baffle plate step, and 23 be upper limit key, and 24 be impeller key Groove, 25 be lower limit key, and 26 be eccentric cam keyway.
Embodiment
The present invention is not limited by following embodiments, can technique according to the invention scheme and actual conditions it is specific to determine Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each part is according to Figure of description 1 Butut mode be described, such as:The position relationship of forward and backward, upper and lower, left and right etc. is the Butut according to Figure of description Direction is determined.
With reference to embodiment and accompanying drawing, the invention will be further described:
As shown in accompanying drawing 1,2,3, the well cementation with vibration pipe nipple include pipe joint 1, mandrel 2, up-hole plate 3, baffle plate 4, impeller 5, partially Cardiac prominence wheel 6 and guide shoe first 7, the inside of pipe joint 1 are provided with mandrel 2, and the middle part of mandrel 2 outside is provided with the first land 8, in the first land 8 Lower section is less than the second land 9 of the first land 8 provided with diameter;The upper inside wall of pipe joint 1 is provided with upper land 10, the top of pipe joint 1 Inner sleeve, which is equipped with the outside of up-hole plate 3, the upper end of up-hole plate 3, is butted on the lower end of land 10, and the middle part of up-hole plate 3 is provided with upper centre bore 11, the upper end of mandrel 2 passes centre bore 11 and positioned at the top of upper centre bore 11, and energy is provided between upper centre bore 11 and mandrel 2 Mandrel 2 is freely rotated relative to up-hole plate 3 and the descending upper limit part of up-hole plate 3 can be limited, the top of mandrel 2 is installed with Can be rotated with the mandrel 2 and impeller 5 below upper limit part, the lower end seat of impeller 5 is in the first land 8;Pipe joint 1 Middle part inwall is provided with lower annular groove 12, and the inside middle portion of pipe joint 1 is provided with the baffle plate 4 for being sleeved on the outside of the second land 9, the upper end of baffle plate 4 Outside is butted on the lower upper end of annular groove 12, and the middle part of baffle plate 4 is provided with lower centre bore 13, under the lower end of mandrel 2 passes lower centre bore 13 and is located at The lower section of centre bore 13, being provided between lower centre bore 13 and mandrel 2 can make the opposing flaps 4 of mandrel 2 freely rotate and can limit baffle plate 4 Up lower limit part, the bottom of mandrel 2 is installed with the eccentric cam 6 that can be rotated with mandrel 2, the upper end of eccentric cam 6 The lower end of the second land 9 is butted on, the descending spacing ring 14 of restricted eccentric cam 6 is fixedly mounted in the lower end of mandrel 2;In up-hole plate 3 are provided with plate circulation port 15, and the pipe circulation port 16 being located between up-hole plate 3 and baffle plate 4 is provided with the middle part of pipe joint 1;Guide shoe first 7 Upper outside is fixedly installed togather with the lower inside of pipe joint 1, and first 7 upper end of guide shoe and 4 times end in contact of baffle plate are spacing.In well cementation During, the upper end of pipe joint 1 injection displacement fluid, displacement fluid flows through up-hole plate 3, the plate circulation port 15 being provided with by up-hole plate 3 Impeller 5 is flowed to, impeller 5 rotates under the impetus of displacement fluid, and impeller 5 rotates mandrel 2, the rotation of mandrel 2 drives lower section partially Cardiac prominence wheel 6, due to the non-uniform mass of eccentric cam 6, makes the present invention occur the vibration of frequency low-amplitude, and displacement fluid is from pipe joint The pipe circulation port 16 that 1 middle part is provided with is flowed into, by impeller 5, because pipe circulation port 16 is located at the top of baffle plate 4, so that displacement fluid Because of the closure of baffle plate 4, displacement fluid can be made to accelerate to flow out from pipe circulation port 16.Reasonable and compact in structure of the present invention, it is easy to use, lead to Crossing impeller 5 and rotating rotates mandrel 2, drives eccentric cam 6 by the rotation of mandrel 2, makes vibrating device by eccentric cam 6 The vibration of frequency low-amplitude, drives pipe string to vibrate, cement mortar is evenly distributed, improve cement mortar by the vibration of vibrating device Bonding quality, can reach good cementing quality.
Above-mentioned well cementation can be made further optimization and/or improvements with vibration pipe nipple according to actual needs:
As shown in Figure 1, upper limit part is held and upper gasket ring 19 including upper pressing cap 17, deep-groove ball axle 18, and the upper end of mandrel 2 passes through Upper pressing cap 17 is threaded with, there is upper gasket ring 19 lower section of upper pressing cap 17, position between correspondence upper pressing cap 17 and upper gasket ring 19 The outside of mandrel 2 is provided with the deep groove ball bearing 18 for being located at the inner side of up-hole plate 3, and the upper upper inner of centre bore 11 is provided with upper centre bore land 20, the upper end of deep groove ball bearing 18 is located at the upper lower section of centre bore land 20;Lower limit part is thrust bearing 21, and thrust bearing 21 is supported In the lower section of the first land 8 and it is sleeved in the second land 9, the lower end of thrust bearing 21 is installed together with baffle plate 4.Pass through upper limit Part is spacing to up-hole plate 3, impeller 5 and mandrel 2, and lower limit part is spacing to baffle plate 4 and mandrel 2, can make work of the present invention More stablize when making.
As shown in Figure 1, the upper surface of baffle plate 4 is provided with the baffle plate step being located between thrust bearing 21 and the inwall of pipe joint 1 22.In well cementing process, rotation can be made by baffle plate step and carried out by the baffle plate 4 that displacement fluid impacts spacing, and avoid pushing away Power bearing 21 or so is acutely rocked, so that more stablizing during present invention work.
As shown in accompanying drawing 1,3, the plate circulation port that at least four diameters are not less than 20mm is uniformly distributed with up-hole plate 3 along the circumference 15, the middle part of pipe joint 1 outside is uniformly distributed with the pipe circulation port 16 that at least four diameters are not less than 20mm along the circumference.The He of plate circulation port 15 Pipe circulation port 16 can make control replace flow quantity, and plate circulation port 15 makes displacement fluid flow to after impeller 5, and what impeller 5 was rotated more puts down Surely, pipe circulation port 16 makes displacement fluid outflow more steady, the quantity of increase pipe circulation port 16, by baffle plate 4 to displacement fluid to The closure of the lower flow of pipe joint 1, can accelerate displacement fluid and be discharged out of pipe joint 1, so that turn of impeller 5 and eccentric cam 6 Move faster, therefore the vibration of reinforced pipe string, improve cement mortar bonding quality.
As shown in accompanying drawing 1,2, impeller 5 includes blade and wheel hub, and the oblique circumference uniform distribution of blade is on wheel hub and rotation direction Unanimously, it is between 30 degree to 60 degree that blade quantity, which is at least the angle of six and blade and horizontal plane,.Blade in use The flow velocity of controllable displacement fluid, makes the more steady of the rotation of impeller 5, during impeller 5 rotates, displacement fluid in pipe joint 1 Generation turbulent flow, the displacement fluid of turbulent has good souring during drilling fluid is replaced, and is conducive to preferably cleaning ring Shape space, so that cement mortar strong bonding, contributes to subsequent field to construct.
As shown in accompanying drawing 1,2,3, the upper outside of mandrel 2 is provided with upper limit key 23, and the inner side of impeller 5 is provided with can be with upper limit key Outside is provided with lower limit key 25 in the middle part of 23 impeller keyways 24 being engaged, mandrel 2, and the inner side of eccentric cam 6 is provided with energy and lower limit Key 25 is engaged fixed eccentric cam keyway 26.By the cooperation of upper limit key 23 and impeller keyway 24, make impeller 5 and mandrel More stablize during 2 rotation, by the cooperation of lower limit key 25 and eccentric cam keyway 26, when making eccentric cam 6 with the rotation of mandrel 2 More stablize.
As shown in Figure 1, spacing ring 14 is together by a threaded connection with the lower end of mandrel 2.It is connected through a screw thread and is easy to limit Position ring 14 is dismantled from the lower end of mandrel 2.
As shown in Figure 1, guide shoe first 7 is together by a threaded connection with pipe joint 1.It is connected through a screw thread and is easy to guide shoe head 7 dismantle from pipe joint 1.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal implementation effect Really, non-essential technical characteristic can be increased and decreased according to actual needs, to meet the demand of different situations.

Claims (10)

1. well cementation vibration pipe nipple, it is characterised in that including pipe joint, mandrel, up-hole plate, baffle plate, impeller, eccentric cam and draw Toe-cap, outside in the middle part of mandrel, mandrel is provided with inside pipe joint and is provided with the first land, is less than the provided with diameter below the first land Second land of one land;Pipe joint upper inside wall is provided with upper land, and pipe joint upper inner is set with up-hole plate, up-hole plate End outside is butted on land lower end, and the middle part of up-hole plate is provided with upper centre bore, and mandrel upper end passes centre bore and in upper The top in heart hole, provided with mandrel being made freely to be rotated relative to up-hole plate and to limit up-hole plate descending between upper centre bore and mandrel Upper limit part, mandrel top is installed with impeller can be rotated with mandrel and below the upper limit part, impeller Lower end seat in the first land;Inwall is provided with lower annular groove in the middle part of pipe joint, and pipe joint inside middle portion is provided with and is sleeved on the second ring Baffle plate on the outside of platform, is butted on the outside of baffle plate upper end in the middle part of lower annular groove upper end, baffle plate and is provided with lower centre bore, mandrel lower end pass it is lower in Heart hole is simultaneously located at below lower centre bore, and lower be provided between centre bore and mandrel can make mandrel opposing flaps freely rotate and can limit The up lower limit part of baffle plate, mandrel bottom is installed with the eccentric cam that can be rotated with mandrel, the upper end of eccentric cam The lower end of the second land is butted on, the descending spacing ring of restricted eccentric cam is fixedly mounted in the lower end of mandrel;Set on up-hole plate There is plate circulation port, the pipe circulation port being located between up-hole plate and baffle plate is provided with the middle part of pipe joint;Guide shoe head upper outside and pipe Joint lower inside is fixedly installed togather, and guide shoe head upper end and end in contact under baffle plate are spacing.
2. well cementation according to claim 1 vibration pipe nipple, it is characterised in that upper limit part includes upper pressing cap, deep-groove ball Bearing and upper gasket ring, the upper end of mandrel, which has been connected through a screw thread below upper pressing cap, upper pressing cap, upper gasket ring, correspondence upper pressing cap with The deep groove ball bearing being located on the inside of up-hole plate is provided between upper gasket ring on the outside of the mandrel of position, upper centre bore upper inner is provided with upper Centre bore land, deep groove ball bearing upper end is located at below upper centre bore land;Lower limit part is thrust bearing, and thrust bearing is supported Below the first land and it is sleeved in the second land, thrust bearing lower end is installed together with baffle plate.
3. well cementation according to claim 2 vibration pipe nipple, it is characterised in that baffle plate upper surface, which is provided with, is located at thrust bearing Baffle plate step between pipe joint inwall.
4. the well cementation vibration pipe nipple according to claim 1 or 2 or 3, it is characterised in that be uniformly distributed with along the circumference on up-hole plate At least four diameters are not less than 20mm plate circulation port, and pipe joint middle part outside is uniformly distributed with least four diameters along the circumference and is not less than 20mm pipe circulation port.
5. the well cementation vibration pipe nipple according to claim 1 or 2 or 3, it is characterised in that impeller includes blade and wheel hub, leaf The oblique circumference uniform distribution of piece is on wheel hub and rotation direction is consistent, and the angle of at least six, blade and blade and horizontal plane is 30 degree To between 60 degree.
6. well cementation according to claim 4 vibration pipe nipple, it is characterised in that impeller includes blade and wheel hub, blade is in incline Ramp-like circumference uniform distribution is on wheel hub and rotation direction is consistent, and the angle of at least six, blade and blade and horizontal plane is 30 degree to 60 degree Between.
7. the well cementation vibration pipe nipple according to claim 1 or 2 or 3 or 6, it is characterised in that mandrel upper outside is provided with upper Provided with the impeller keyway that can be engaged with upper limit key on the inside of positive stop key, impeller, outside is provided with lower limit key in the middle part of mandrel, eccentric Fixed eccentric cam keyway can be engaged with lower limit key by being provided with the inside of cam.
8. well cementation according to claim 5 vibration pipe nipple, it is characterised in that mandrel upper outside is provided with upper limit key, leaf Wheel inner side is provided with the inside of lower limit key, eccentric cam provided with the impeller keyway that can be engaged with upper limit key, mandrel middle part outside Provided with fixed eccentric cam keyway can be engaged with lower limit key.
9. the well cementation vibration pipe nipple according to claim 1 or 2 or 3 or 6 or 8, it is characterised in that under spacing ring and mandrel End is together by a threaded connection;Or/and, guide shoe head is together by a threaded connection with pipe joint.
10. well cementation according to claim 7 vibration pipe nipple, it is characterised in that spacing ring is connected with mandrel lower end by screw thread It is connected together;Or/and, guide shoe head is together by a threaded connection with pipe joint.
CN201710400328.6A 2017-05-31 2017-05-31 Well cementation vibration pipe nipple Pending CN107100554A (en)

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CN201710400328.6A CN107100554A (en) 2017-05-31 2017-05-31 Well cementation vibration pipe nipple

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Application Number Priority Date Filing Date Title
CN201710400328.6A CN107100554A (en) 2017-05-31 2017-05-31 Well cementation vibration pipe nipple

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CN107100554A true CN107100554A (en) 2017-08-29

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CN201710400328.6A Pending CN107100554A (en) 2017-05-31 2017-05-31 Well cementation vibration pipe nipple

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114658380A (en) * 2022-02-28 2022-06-24 大庆振峰石油科技有限公司 Shutoff type vibration well cementation device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100326730A1 (en) * 2009-06-25 2010-12-30 National Oilwell Varco, L.P. Sealing System and Bi-Directional Thrust Bearing Arrangement for a Downhole Motor
CN203742480U (en) * 2014-01-29 2014-07-30 中国石油集团西部钻探工程有限公司 Clamping-preventing casing guide device
CN203847062U (en) * 2014-05-27 2014-09-24 台州市黄岩双通石化机械有限公司 Turbine type downhole vibration well cementation device
CN106014311A (en) * 2016-07-28 2016-10-12 德州金玉石油机械科技有限公司 Multifunctional casing pipe guiding device
CN106014304A (en) * 2016-06-30 2016-10-12 中国石油集团西部钻探工程有限公司 Swirling flow device for well cementation
CN206903598U (en) * 2017-05-31 2018-01-19 中国石油集团西部钻探工程有限公司 Well cementation vibration pipe nipple

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100326730A1 (en) * 2009-06-25 2010-12-30 National Oilwell Varco, L.P. Sealing System and Bi-Directional Thrust Bearing Arrangement for a Downhole Motor
CN203742480U (en) * 2014-01-29 2014-07-30 中国石油集团西部钻探工程有限公司 Clamping-preventing casing guide device
CN203847062U (en) * 2014-05-27 2014-09-24 台州市黄岩双通石化机械有限公司 Turbine type downhole vibration well cementation device
CN106014304A (en) * 2016-06-30 2016-10-12 中国石油集团西部钻探工程有限公司 Swirling flow device for well cementation
CN106014311A (en) * 2016-07-28 2016-10-12 德州金玉石油机械科技有限公司 Multifunctional casing pipe guiding device
CN206903598U (en) * 2017-05-31 2018-01-19 中国石油集团西部钻探工程有限公司 Well cementation vibration pipe nipple

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Title
刘国恒: "径向振动固井工具" *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114658380A (en) * 2022-02-28 2022-06-24 大庆振峰石油科技有限公司 Shutoff type vibration well cementation device

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Address before: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China

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Application publication date: 20170829

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