GB8322480D0 - Drilling tools - Google Patents

Drilling tools

Info

Publication number
GB8322480D0
GB8322480D0 GB838322480A GB8322480A GB8322480D0 GB 8322480 D0 GB8322480 D0 GB 8322480D0 GB 838322480 A GB838322480 A GB 838322480A GB 8322480 A GB8322480 A GB 8322480A GB 8322480 D0 GB8322480 D0 GB 8322480D0
Authority
GB
United Kingdom
Prior art keywords
drilling tools
drilling
tools
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Withdrawn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
GB838322480A
Other versions
GB2147033A (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.)
GROOM R
Original Assignee
GROOM R
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 GROOM R filed Critical GROOM R
Priority to GB08322480A priority Critical patent/GB2147033A/en
Publication of GB8322480D0 publication Critical patent/GB8322480D0/en
Publication of GB2147033A publication Critical patent/GB2147033A/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Withdrawn legal-status Critical Current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
    • E21B17/22—Rods or pipes with helical structure
GB08322480A 1983-08-20 1983-08-20 Improved drilling tools Withdrawn GB2147033A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08322480A GB2147033A (en) 1983-08-20 1983-08-20 Improved drilling tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08322480A GB2147033A (en) 1983-08-20 1983-08-20 Improved drilling tools

Publications (2)

Publication Number Publication Date
GB8322480D0 true GB8322480D0 (en) 1983-09-21
GB2147033A GB2147033A (en) 1985-05-01

Family

ID=10547644

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08322480A Withdrawn GB2147033A (en) 1983-08-20 1983-08-20 Improved drilling tools

Country Status (1)

Country Link
GB (1) GB2147033A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112211570A (en) * 2020-10-14 2021-01-12 中油智科(吉林)技术装备有限公司 Centralizer and preparation method thereof

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6651756B1 (en) 2000-11-17 2003-11-25 Baker Hughes Incorporated Steel body drill bits with tailored hardfacing structural elements
US8083011B2 (en) * 2008-09-29 2011-12-27 Sreshta Harold A Matrix turbine sleeve and method for making same
GB0906211D0 (en) 2009-04-09 2009-05-20 Andergauge Ltd Under-reamer
GB2484453B (en) 2010-08-05 2016-02-24 Nov Downhole Eurasia Ltd Lockable reamer
GB2486898A (en) 2010-12-29 2012-07-04 Nov Downhole Eurasia Ltd A downhole tool with at least one extendable offset cutting member for reaming a bore
GB2550255B (en) 2014-06-26 2018-09-19 Nov Downhole Eurasia Ltd Downhole under-reamer and associated methods

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112211570A (en) * 2020-10-14 2021-01-12 中油智科(吉林)技术装备有限公司 Centralizer and preparation method thereof
CN112211570B (en) * 2020-10-14 2023-01-24 中油智科(吉林)技术装备有限公司 Centralizer and preparation method thereof

Also Published As

Publication number Publication date
GB2147033A (en) 1985-05-01

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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)