CN112534115A - 具有用于响应静水压力而扩张的大气室的扶正器 - Google Patents

具有用于响应静水压力而扩张的大气室的扶正器 Download PDF

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Publication number
CN112534115A
CN112534115A CN201980051276.3A CN201980051276A CN112534115A CN 112534115 A CN112534115 A CN 112534115A CN 201980051276 A CN201980051276 A CN 201980051276A CN 112534115 A CN112534115 A CN 112534115A
Authority
CN
China
Prior art keywords
piston
centralizer
casing
liner string
mandrel
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
CN201980051276.3A
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English (en)
Chinese (zh)
Inventor
乔纳森·巴克兰
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.)
Downhole Products Ltd
Original Assignee
Downhole Products 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 Downhole Products Ltd filed Critical Downhole Products Ltd
Publication of CN112534115A publication Critical patent/CN112534115A/zh
Pending legal-status Critical Current

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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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs
    • E21B17/1028—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs with arcuate springs only, e.g. baskets with outwardly bowed strips for cementing operations

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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)
  • Earth Drilling (AREA)
CN201980051276.3A 2018-08-10 2019-07-24 具有用于响应静水压力而扩张的大气室的扶正器 Pending CN112534115A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862717324P 2018-08-10 2018-08-10
US62/717,324 2018-08-10
PCT/IB2019/056329 WO2020031010A1 (en) 2018-08-10 2019-07-24 Centralizer having atmospheric chamber for expansion in response to hydrostatic pressure

Publications (1)

Publication Number Publication Date
CN112534115A true CN112534115A (zh) 2021-03-19

Family

ID=68051845

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980051276.3A Pending CN112534115A (zh) 2018-08-10 2019-07-24 具有用于响应静水压力而扩张的大气室的扶正器

Country Status (5)

Country Link
US (1) US20210270092A1 (ru)
EP (1) EP3833846A1 (ru)
CN (1) CN112534115A (ru)
EA (1) EA202190187A1 (ru)
WO (1) WO2020031010A1 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356769A (zh) * 2021-07-02 2021-09-07 中国农业大学 形状记忆合金可变径扶正器及扶正性能测试方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1053279A (zh) * 1989-10-09 1991-07-24 加利福亚尼联合石油公司 液压释放油井工具
US5261488A (en) * 1990-01-17 1993-11-16 Weatherford U.K. Limited Centralizers for oil well casings
CN103299022A (zh) * 2011-01-13 2013-09-11 道恩浩尔产品有限公司 扶正器
US20150034336A1 (en) * 2013-07-30 2015-02-05 Weatherford/Lamb, Inc. Centralizer
CN107002476A (zh) * 2014-11-17 2017-08-01 万加德石油工具及服务有限责任公司 温度启用的区域分隔封隔器装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523640A (en) 1984-01-23 1985-06-18 Dresser Industries, Inc. Arm release system for well logging apparatus
US5097905A (en) 1991-01-28 1992-03-24 Mobil Oil Corporation Centralizer for well casing
EP2340350B1 (en) 2008-09-29 2016-09-07 Frank's International, LLC Downhole device actuator and method
US9580976B1 (en) 2013-03-14 2017-02-28 Sandia Corporation Deployable centralizers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1053279A (zh) * 1989-10-09 1991-07-24 加利福亚尼联合石油公司 液压释放油井工具
US5261488A (en) * 1990-01-17 1993-11-16 Weatherford U.K. Limited Centralizers for oil well casings
CN103299022A (zh) * 2011-01-13 2013-09-11 道恩浩尔产品有限公司 扶正器
US20150034336A1 (en) * 2013-07-30 2015-02-05 Weatherford/Lamb, Inc. Centralizer
CN107002476A (zh) * 2014-11-17 2017-08-01 万加德石油工具及服务有限责任公司 温度启用的区域分隔封隔器装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356769A (zh) * 2021-07-02 2021-09-07 中国农业大学 形状记忆合金可变径扶正器及扶正性能测试方法
CN113356769B (zh) * 2021-07-02 2022-12-30 中国农业大学 形状记忆合金可变径扶正器及扶正性能测试方法

Also Published As

Publication number Publication date
EA202190187A1 (ru) 2021-07-21
US20210270092A1 (en) 2021-09-02
WO2020031010A1 (en) 2020-02-13
EP3833846A1 (en) 2021-06-16

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Legal Events

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PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210319