WO2014202759A3 - Casing centralizing system and method for centralizing a casing - Google Patents

Casing centralizing system and method for centralizing a casing Download PDF

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Publication number
WO2014202759A3
WO2014202759A3 PCT/EP2014/063039 EP2014063039W WO2014202759A3 WO 2014202759 A3 WO2014202759 A3 WO 2014202759A3 EP 2014063039 W EP2014063039 W EP 2014063039W WO 2014202759 A3 WO2014202759 A3 WO 2014202759A3
Authority
WO
WIPO (PCT)
Prior art keywords
casing
centralizing
well bore
actuator
centralizer
Prior art date
Application number
PCT/EP2014/063039
Other languages
French (fr)
Other versions
WO2014202759A2 (en
Inventor
Erling Kleppa
Original Assignee
Perigon Da
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 Perigon Da filed Critical Perigon Da
Publication of WO2014202759A2 publication Critical patent/WO2014202759A2/en
Publication of WO2014202759A3 publication Critical patent/WO2014202759A3/en

Links

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

Landscapes

  • 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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

A method and a casing centralizer system for centralizing a casing in a well bore before cementing of the casing in the well bore comprising a centralizer and a trigger device such as a RFID tag or magnet to be conveyed through the casing and up an annulus between the casing and the well bore. The casing centralizer comprises a centralizing element (20) which is movable in a radial direction relative to the casing for engagement with the well bore, an actuator comprising an actuator device (37) which is connected to the centralizing element for effecting the radial movement, an activator device (40) which is signally connected to the actuator (37), such that when the trigger device passes by the activator device the activator device is triggered to generate a signal for actuation of the actuator device whereby the centralizing element is moved radially for engagement with the well bore.
PCT/EP2014/063039 2013-06-21 2014-06-20 Casing centralizing system and method for centralizing a casing WO2014202759A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20130870A NO335844B1 (en) 2013-06-21 2013-06-21 Feeding tube centralization system and method for centralizing a feeding tube
NO20130870 2013-06-21

Publications (2)

Publication Number Publication Date
WO2014202759A2 WO2014202759A2 (en) 2014-12-24
WO2014202759A3 true WO2014202759A3 (en) 2015-07-02

Family

ID=50980297

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/063039 WO2014202759A2 (en) 2013-06-21 2014-06-20 Casing centralizing system and method for centralizing a casing

Country Status (2)

Country Link
NO (1) NO335844B1 (en)
WO (1) WO2014202759A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111535755B (en) * 2020-04-24 2021-03-30 中国农业大学 Variable-diameter centralizer activated by radio frequency identification technology and use method
CN111472762B (en) * 2020-04-24 2022-04-15 中国农业大学 Device and method for transmitting underground-ground information by using wireless radio frequency technology
CN116575872B (en) * 2023-07-11 2023-09-12 四川尔零石油科技有限公司 Casing centralizer and production method thereof
CN116838266B (en) * 2023-08-31 2023-11-03 胜利油田利丰稠油技术开发有限公司 Underground casing centralizer for oilfield exploitation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5765640A (en) * 1996-03-07 1998-06-16 Baker Hughes Incorporated Multipurpose tool
US6915848B2 (en) * 2002-07-30 2005-07-12 Schlumberger Technology Corporation Universal downhole tool control apparatus and methods
US20070235199A1 (en) * 2003-06-18 2007-10-11 Logiudice Michael Methods and apparatus for actuating a downhole tool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5765640A (en) * 1996-03-07 1998-06-16 Baker Hughes Incorporated Multipurpose tool
US6915848B2 (en) * 2002-07-30 2005-07-12 Schlumberger Technology Corporation Universal downhole tool control apparatus and methods
US20070235199A1 (en) * 2003-06-18 2007-10-11 Logiudice Michael Methods and apparatus for actuating a downhole tool

Also Published As

Publication number Publication date
WO2014202759A2 (en) 2014-12-24
NO20130870A1 (en) 2014-12-22
NO335844B1 (en) 2015-03-02

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