GB2294716A - A device for core drill - Google Patents

A device for core drill

Info

Publication number
GB2294716A
GB2294716A GB9524033A GB9524033A GB2294716A GB 2294716 A GB2294716 A GB 2294716A GB 9524033 A GB9524033 A GB 9524033A GB 9524033 A GB9524033 A GB 9524033A GB 2294716 A GB2294716 A GB 2294716A
Authority
GB
United Kingdom
Prior art keywords
core
core pipe
pipe
rupture
cut
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Withdrawn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
GB9524033A
Other languages
English (en)
Other versions
GB9524033D0 (en
Inventor
Egil Berg
Tor Torgrimsen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9524033D0 publication Critical patent/GB9524033D0/en
Publication of GB2294716A publication Critical patent/GB2294716A/en
Withdrawn legal-status Critical Current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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Drilling Tools (AREA)
  • Soft Magnetic Materials (AREA)
GB9524033A 1993-05-24 1994-05-19 A device for core drill Withdrawn GB2294716A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO931865A NO177646C (no) 1993-05-24 1993-05-24 Anordning ved kjernebor
PCT/NO1994/000095 WO1994028281A1 (en) 1993-05-24 1994-05-19 A device for core drill

Publications (2)

Publication Number Publication Date
GB9524033D0 GB9524033D0 (en) 1996-02-21
GB2294716A true GB2294716A (en) 1996-05-08

Family

ID=19896114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9524033A Withdrawn GB2294716A (en) 1993-05-24 1994-05-19 A device for core drill

Country Status (5)

Country Link
AU (1) AU6858994A (no)
CA (1) CA2163787A1 (no)
GB (1) GB2294716A (no)
NO (1) NO177646C (no)
WO (1) WO1994028281A1 (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6009960A (en) * 1998-01-27 2000-01-04 Diamond Products International, Inc. Coring tool
BE1014459A3 (fr) * 2001-11-06 2003-10-07 Halliburton Energy Serv Inc Carottier.
US7055626B2 (en) * 2002-03-15 2006-06-06 Baker Hughes Incorporated Core bit having features for controlling flow split
WO2014018737A1 (en) * 2012-07-26 2014-01-30 National Oilwell Varco L.P. Telescoping core barrel
US9580982B2 (en) * 2014-02-18 2017-02-28 Baker Hughes Incorporated Coring tools with improved reliability during core jams, and related methods
US9540896B2 (en) * 2014-04-01 2017-01-10 National Oilwell Varco, L.P. Frangible core barrel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2032423A (en) * 1935-02-18 1936-03-03 Lewis A Larson Core barrel
US2929612A (en) * 1957-05-20 1960-03-22 Le Bus Royalty Company Telescoping core drill
DE1167286B (de) * 1961-09-01 1964-04-09 Bergwerksverband Gmbh Kernbohrwerkzeug
FR1474299A (fr) * 1966-03-22 1967-03-24 Huber Corp J M Trépan carottier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2032423A (en) * 1935-02-18 1936-03-03 Lewis A Larson Core barrel
US2929612A (en) * 1957-05-20 1960-03-22 Le Bus Royalty Company Telescoping core drill
DE1167286B (de) * 1961-09-01 1964-04-09 Bergwerksverband Gmbh Kernbohrwerkzeug
FR1474299A (fr) * 1966-03-22 1967-03-24 Huber Corp J M Trépan carottier

Also Published As

Publication number Publication date
NO177646C (no) 1995-11-01
WO1994028281A1 (en) 1994-12-08
CA2163787A1 (en) 1994-12-08
AU6858994A (en) 1994-12-20
NO931865D0 (no) 1993-05-24
GB9524033D0 (en) 1996-02-21
NO931865L (no) 1994-11-25
NO177646B (no) 1995-07-17

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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)