GB9403276D0 - A protector - Google Patents

A protector

Info

Publication number
GB9403276D0
GB9403276D0 GB9403276A GB9403276A GB9403276D0 GB 9403276 D0 GB9403276 D0 GB 9403276D0 GB 9403276 A GB9403276 A GB 9403276A GB 9403276 A GB9403276 A GB 9403276A GB 9403276 D0 GB9403276 D0 GB 9403276D0
Authority
GB
United Kingdom
Prior art keywords
protector
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Withdrawn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
GB9403276A
Other versions
GB2275284A (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.)
SPEIRS GRAEME K
Original Assignee
SPEIRS GRAEME K
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 SPEIRS GRAEME K filed Critical SPEIRS GRAEME K
Publication of GB9403276D0 publication Critical patent/GB9403276D0/en
Publication of GB2275284A publication Critical patent/GB2275284A/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Withdrawn legal-status Critical Current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
    • E21B17/1085—Wear protectors; Blast joints; Hard facing
    • 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
GB9403276A 1993-02-19 1994-02-21 Drill pipe protector Withdrawn GB2275284A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939303325A GB9303325D0 (en) 1993-02-19 1993-02-19 A protector

Publications (2)

Publication Number Publication Date
GB9403276D0 true GB9403276D0 (en) 1994-04-13
GB2275284A GB2275284A (en) 1994-08-24

Family

ID=10730680

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939303325A Pending GB9303325D0 (en) 1993-02-19 1993-02-19 A protector
GB9403276A Withdrawn GB2275284A (en) 1993-02-19 1994-02-21 Drill pipe protector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939303325A Pending GB9303325D0 (en) 1993-02-19 1993-02-19 A protector

Country Status (1)

Country Link
GB (2) GB9303325D0 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9321257D0 (en) * 1993-10-14 1993-12-01 Rototec Limited Drill pipe tubing and casing protectors
DE69527971T2 (en) * 1994-02-14 2003-04-24 Weatherford Lamb INSTALLATION DEVICE OF A LINING PIPE WITH EXTERNAL FRICTION REDUCTION AGENTS
DE69635360T2 (en) * 1995-04-27 2006-07-27 Weatherford/Lamb, Inc., Houston Non-rotating centering basket
GB9703608D0 (en) 1997-02-21 1997-04-09 Downhole Products Plc Casing centraliser
GB9724194D0 (en) * 1997-11-15 1998-01-14 Brunel Oilfield Serv Uk Ltd Improvements in or relating to downhole tools
US6695057B2 (en) 2001-05-15 2004-02-24 Weatherford/Lamb, Inc. Fracturing port collar for wellbore pack-off system, and method for using same
GB0008594D0 (en) * 2000-04-08 2000-05-31 Polyoil Ltd Improved casing centraliser
GB0417937D0 (en) * 2004-08-12 2004-09-15 Wireline Engineering Ltd Downhole device
USD674818S1 (en) 2011-10-28 2013-01-22 Top-Co Cementing Products Inc. Casing centralizer
USD674817S1 (en) 2011-10-28 2013-01-22 Top-Co Cementing Products Inc. Casing centralizer
USD665824S1 (en) 2011-10-28 2012-08-21 Top-Co Cementing Products Inc. Casing centralizer
USD665825S1 (en) 2011-10-28 2012-08-21 Top-Co Cementing Products Inc. Casing centralizer
USD849800S1 (en) 2012-04-04 2019-05-28 Summit Energy Services, Inc. Casing centralizer having spiral blades
CN103015906B (en) * 2012-12-24 2015-06-24 中国石油化工股份有限公司 Drag reduction short joint of drilling tool
US9511395B2 (en) * 2014-06-17 2016-12-06 Thomas Engineering Solutions & Consulting, Llc Knuckle-jointed lance segments with an exterior protective system
CN104852342A (en) * 2015-04-27 2015-08-19 中国石油天然气股份有限公司 Righting type downhole cable protector
CN105952393A (en) * 2016-06-30 2016-09-21 天津立林石油机械有限公司 Rolling alloy centering device for helicoid hydraulic motor
GB2585898B (en) * 2019-07-22 2023-05-31 Vulcan Completion Products Uk Ltd Centraliser

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB271839A (en) * 1926-05-25 1928-03-29 U S Tool Company Improvements relating to the hydraulic rotary system of well drilling
GB307212A (en) * 1928-03-06 1929-03-07 James Cuthill Improvements relating to drill-pipes for well boring
US4372622A (en) * 1980-11-17 1983-02-08 Cheek Alton E Recirculating bearing antifriction system for well strings
GB2204895B (en) * 1987-05-21 1991-11-27 Stephen Francis Lloyd Drill pipe tubing and casing protectors
US4796670A (en) * 1987-10-15 1989-01-10 Exxon Production Research Company Drill pipe protector
GB8806109D0 (en) * 1988-03-15 1988-04-13 Anderson C A Downhole stabilisers

Also Published As

Publication number Publication date
GB9303325D0 (en) 1993-04-07
GB2275284A (en) 1994-08-24

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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)