GB201704992D0 - Improvements in and relating to centralisers - Google Patents

Improvements in and relating to centralisers

Info

Publication number
GB201704992D0
GB201704992D0 GBGB1704992.5A GB201704992A GB201704992D0 GB 201704992 D0 GB201704992 D0 GB 201704992D0 GB 201704992 A GB201704992 A GB 201704992A GB 201704992 D0 GB201704992 D0 GB 201704992D0
Authority
GB
United Kingdom
Prior art keywords
centralisers
relating
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.)
Withdrawn
Application number
GBGB1704992.5A
Other versions
GB2560937A (en
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.)
Equinor Energy AS
Original Assignee
Statoil Petroleum ASA
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 Statoil Petroleum ASA filed Critical Statoil Petroleum ASA
Priority to GB1704992.5A priority Critical patent/GB2560937A/en
Publication of GB201704992D0 publication Critical patent/GB201704992D0/en
Priority to PCT/NO2018/050078 priority patent/WO2018182424A1/en
Publication of GB2560937A publication Critical patent/GB2560937A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B17/02—Couplings; joints
    • E21B17/08—Casing joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • F16L21/08—Joints with sleeve or socket with additional locking means
GB1704992.5A 2017-03-29 2017-03-29 Improvements in and relating to centralisers Withdrawn GB2560937A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1704992.5A GB2560937A (en) 2017-03-29 2017-03-29 Improvements in and relating to centralisers
PCT/NO2018/050078 WO2018182424A1 (en) 2017-03-29 2018-03-20 Improvements in and relating to centralisers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1704992.5A GB2560937A (en) 2017-03-29 2017-03-29 Improvements in and relating to centralisers

Publications (2)

Publication Number Publication Date
GB201704992D0 true GB201704992D0 (en) 2017-05-10
GB2560937A GB2560937A (en) 2018-10-03

Family

ID=58687938

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1704992.5A Withdrawn GB2560937A (en) 2017-03-29 2017-03-29 Improvements in and relating to centralisers

Country Status (2)

Country Link
GB (1) GB2560937A (en)
WO (1) WO2018182424A1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114566A (en) * 1961-04-21 1963-12-17 Kobe Inc Shrink fit tubing joint
DE3412546A1 (en) * 1983-04-05 1984-10-11 Hunting Oilfield Services (UK) Ltd., Aberdeen PIPE CONNECTOR
GB9608709D0 (en) * 1996-04-26 1996-07-03 Hunting Oilfield Services Ltd Improvements in and relating to pipe connectors
US6464013B2 (en) * 2001-02-23 2002-10-15 Kenneth A. Bystedt Oil well casing centralizer coupling
US20070163778A1 (en) * 2006-01-19 2007-07-19 Jim Wheeler Casing Centralizer Coupling
CA2735667C (en) * 2008-08-29 2016-02-09 Statoil Petroleum As Drill pipe protector assembly
US9127519B2 (en) * 2012-03-20 2015-09-08 Blackhawk Specialty Tools, Llc Well centralizer
GB2530676B (en) * 2013-07-09 2020-02-26 Halliburton Energy Services Inc Apparatus for mitigating downhole torsional vibration
US9664001B2 (en) * 2014-09-24 2017-05-30 Centek Limited Centralizer and associated devices

Also Published As

Publication number Publication date
WO2018182424A1 (en) 2018-10-04
GB2560937A (en) 2018-10-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)