GB2218138B - Core barrel with adjustable joint - Google Patents

Core barrel with adjustable joint

Info

Publication number
GB2218138B
GB2218138B GB8910500A GB8910500A GB2218138B GB 2218138 B GB2218138 B GB 2218138B GB 8910500 A GB8910500 A GB 8910500A GB 8910500 A GB8910500 A GB 8910500A GB 2218138 B GB2218138 B GB 2218138B
Authority
GB
United Kingdom
Prior art keywords
core barrel
adjustable joint
adjustable
joint
barrel
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.)
Expired - Fee Related
Application number
GB8910500A
Other versions
GB8910500D0 (en
GB2218138A (en
Inventor
John Richard Neville Roe
Hector Fillipu Drentham-Susman
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.)
ORECO HOLDINGS Ltd
Original Assignee
ORECO HOLDINGS 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 ORECO HOLDINGS Ltd filed Critical ORECO HOLDINGS Ltd
Publication of GB8910500D0 publication Critical patent/GB8910500D0/en
Publication of GB2218138A publication Critical patent/GB2218138A/en
Application granted granted Critical
Publication of GB2218138B publication Critical patent/GB2218138B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB8910500A 1988-05-07 1989-05-08 Core barrel with adjustable joint Expired - Fee Related GB2218138B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888810875A GB8810875D0 (en) 1988-05-07 1988-05-07 Core barrel with adjustable joint

Publications (3)

Publication Number Publication Date
GB8910500D0 GB8910500D0 (en) 1989-06-21
GB2218138A GB2218138A (en) 1989-11-08
GB2218138B true GB2218138B (en) 1991-10-30

Family

ID=10636546

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888810875A Pending GB8810875D0 (en) 1988-05-07 1988-05-07 Core barrel with adjustable joint
GB8910500A Expired - Fee Related GB2218138B (en) 1988-05-07 1989-05-08 Core barrel with adjustable joint

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888810875A Pending GB8810875D0 (en) 1988-05-07 1988-05-07 Core barrel with adjustable joint

Country Status (1)

Country Link
GB (2) GB8810875D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114635657B (en) * 2021-11-16 2024-05-28 中国石油天然气集团有限公司 Drilling coring device and process suitable for coring broken stratum

Also Published As

Publication number Publication date
GB8910500D0 (en) 1989-06-21
GB2218138A (en) 1989-11-08
GB8810875D0 (en) 1988-06-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930508