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GB2305953B - Method and apparatus for selective coring after logging - Google Patents

Method and apparatus for selective coring after logging

Info

Publication number
GB2305953B
GB2305953B GB9620876A GB9620876A GB2305953B GB 2305953 B GB2305953 B GB 2305953B GB 9620876 A GB9620876 A GB 9620876A GB 9620876 A GB9620876 A GB 9620876A GB 2305953 B GB2305953 B GB 2305953B
Authority
GB
United Kingdom
Prior art keywords
coring
logging
selective
selective coring
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
GB9620876A
Other versions
GB9620876D0 (en
GB2305953A (en
Inventor
Terry Moore
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.)
Corpro Systems Ltd
Original Assignee
Corpro Systems 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 Corpro Systems Ltd filed Critical Corpro Systems Ltd
Publication of GB9620876D0 publication Critical patent/GB9620876D0/en
Publication of GB2305953A publication Critical patent/GB2305953A/en
Application granted granted Critical
Publication of GB2305953B publication Critical patent/GB2305953B/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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/02—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil
    • E21B49/06—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by mechanically taking samples of the soil using side-wall drilling tools pressing or scrapers
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Earth Drilling (AREA)
GB9620876A 1995-10-07 1996-10-07 Method and apparatus for selective coring after logging Expired - Fee Related GB2305953B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9520539.9A GB9520539D0 (en) 1995-10-07 1995-10-07 Selective coring after logging

Publications (3)

Publication Number Publication Date
GB9620876D0 GB9620876D0 (en) 1996-11-27
GB2305953A GB2305953A (en) 1997-04-23
GB2305953B true GB2305953B (en) 1998-11-18

Family

ID=10781967

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9520539.9A Pending GB9520539D0 (en) 1995-10-07 1995-10-07 Selective coring after logging
GB9620876A Expired - Fee Related GB2305953B (en) 1995-10-07 1996-10-07 Method and apparatus for selective coring after logging

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9520539.9A Pending GB9520539D0 (en) 1995-10-07 1995-10-07 Selective coring after logging

Country Status (1)

Country Link
GB (2) GB9520539D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0108650D0 (en) 2001-04-06 2001-05-30 Corpro Systems Ltd Improved apparatus and method for coring and/or drilling
CN115142787B (en) * 2022-06-27 2025-01-14 北京中煤矿山工程有限公司 Directional horizontal hole advanced exploration coal mine fault coring device and method for preventing rock core from sliding off

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514657A1 (en) * 1991-05-20 1992-11-25 Baker Hughes Incorporated Angled sidewall coring assembly and method of operation
EP0525991A1 (en) * 1991-07-30 1993-02-03 International Diamond Drilling Sidewall coring tool
US5188190A (en) * 1991-08-30 1993-02-23 Atlantic Richfield Company Method for obtaining cores from a producing well

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514657A1 (en) * 1991-05-20 1992-11-25 Baker Hughes Incorporated Angled sidewall coring assembly and method of operation
EP0525991A1 (en) * 1991-07-30 1993-02-03 International Diamond Drilling Sidewall coring tool
US5188190A (en) * 1991-08-30 1993-02-23 Atlantic Richfield Company Method for obtaining cores from a producing well

Also Published As

Publication number Publication date
GB9620876D0 (en) 1996-11-27
GB9520539D0 (en) 1995-12-13
GB2305953A (en) 1997-04-23

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Legal Events

Date Code Title Description
728V Application for restoration filed (sect. 28/1977)

Free format text: PUBLISHED ON 20050622

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041007

728V Application for restoration filed (sect. 28/1977)
728Y Application for restoration allowed (sect. 28/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151007