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GB2529697B - Centralizer and associated devices - Google Patents

Centralizer and associated devices

Info

Publication number
GB2529697B
GB2529697B GB1415352.2A GB201415352A GB2529697B GB 2529697 B GB2529697 B GB 2529697B GB 201415352 A GB201415352 A GB 201415352A GB 2529697 B GB2529697 B GB 2529697B
Authority
GB
United Kingdom
Prior art keywords
centralizer
associated devices
devices
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.)
Active
Application number
GB1415352.2A
Other versions
GB201415352D0 (en
GB2529697A (en
Inventor
Jenner Andrew
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.)
Centek Ltd
Original Assignee
Centek 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 Centek Ltd filed Critical Centek Ltd
Priority to GB1415352.2A priority Critical patent/GB2529697B/en
Publication of GB201415352D0 publication Critical patent/GB201415352D0/en
Priority to PCT/GB2015/052481 priority patent/WO2016030685A1/en
Priority to EP15275194.7A priority patent/EP2990590B1/en
Priority to DK15275194.7T priority patent/DK2990590T3/en
Priority to CN201510549127.3A priority patent/CN105386731A/en
Priority to CN201520668697.XU priority patent/CN205100900U/en
Publication of GB2529697A publication Critical patent/GB2529697A/en
Priority to NO20170342A priority patent/NO348572B1/en
Application granted granted Critical
Publication of GB2529697B publication Critical patent/GB2529697B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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

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)
GB1415352.2A 2014-08-29 2014-08-29 Centralizer and associated devices Active GB2529697B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB1415352.2A GB2529697B (en) 2014-08-29 2014-08-29 Centralizer and associated devices
PCT/GB2015/052481 WO2016030685A1 (en) 2014-08-29 2015-08-27 Centralizer and associated devices
EP15275194.7A EP2990590B1 (en) 2014-08-29 2015-08-28 Centralizer and associated devices
DK15275194.7T DK2990590T3 (en) 2014-08-29 2015-08-28 Centering device and associated devices
CN201510549127.3A CN105386731A (en) 2014-08-29 2015-08-31 Centralizer and associated devices
CN201520668697.XU CN205100900U (en) 2014-08-29 2015-08-31 Centralizer and relevant device and system
NO20170342A NO348572B1 (en) 2014-08-29 2017-03-09 Centralizer and associated devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1415352.2A GB2529697B (en) 2014-08-29 2014-08-29 Centralizer and associated devices

Publications (3)

Publication Number Publication Date
GB201415352D0 GB201415352D0 (en) 2014-10-15
GB2529697A GB2529697A (en) 2016-03-02
GB2529697B true GB2529697B (en) 2017-08-09

Family

ID=51752362

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1415352.2A Active GB2529697B (en) 2014-08-29 2014-08-29 Centralizer and associated devices

Country Status (3)

Country Link
EP (1) EP2990590B1 (en)
GB (1) GB2529697B (en)
WO (1) WO2016030685A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2998848A (en) * 1957-11-04 1961-09-05 B And W Inc Stop collar
US3062297A (en) * 1960-11-25 1962-11-06 Jr Robert Tyrrell Well-casing centralizers
US3124196A (en) * 1964-03-10 Helical bow centralizer
US4363360A (en) * 1981-01-15 1982-12-14 Richey Vernon T Apparatus for use in maintaining a well pipe centered within a well bore

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7156171B2 (en) * 2000-09-06 2007-01-02 Casetech International, Inc. Dual diameter and rotating centralizer/sub
CA2867033C (en) * 2012-03-20 2020-05-26 Blackhawk Specialty Tools, Llc Well centralizer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124196A (en) * 1964-03-10 Helical bow centralizer
US2998848A (en) * 1957-11-04 1961-09-05 B And W Inc Stop collar
US3062297A (en) * 1960-11-25 1962-11-06 Jr Robert Tyrrell Well-casing centralizers
US4363360A (en) * 1981-01-15 1982-12-14 Richey Vernon T Apparatus for use in maintaining a well pipe centered within a well bore

Also Published As

Publication number Publication date
EP2990590B1 (en) 2018-11-07
GB201415352D0 (en) 2014-10-15
EP2990590A1 (en) 2016-03-02
GB2529697A (en) 2016-03-02
WO2016030685A1 (en) 2016-03-03

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: CENTEK LIMITED

Free format text: FORMER OWNER: DOMAIN LICENSES LIMITED