DE3780882D1 - Kernrohr zur gewinnung von orientierten bohrkernen. - Google Patents

Kernrohr zur gewinnung von orientierten bohrkernen.

Info

Publication number
DE3780882D1
DE3780882D1 DE8787304403T DE3780882T DE3780882D1 DE 3780882 D1 DE3780882 D1 DE 3780882D1 DE 8787304403 T DE8787304403 T DE 8787304403T DE 3780882 T DE3780882 T DE 3780882T DE 3780882 D1 DE3780882 D1 DE 3780882D1
Authority
DE
Germany
Prior art keywords
core
extraction
oriented drill
tube
core tube
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
DE8787304403T
Other languages
English (en)
Other versions
DE3780882T2 (de
Inventor
Terence Alexander 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.)
DIAMOND BOART STRATABIT Ltd
Original Assignee
DIAMOND BOART STRATABIT 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 DIAMOND BOART STRATABIT Ltd filed Critical DIAMOND BOART STRATABIT Ltd
Publication of DE3780882D1 publication Critical patent/DE3780882D1/de
Application granted granted Critical
Publication of DE3780882T2 publication Critical patent/DE3780882T2/de
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
    • E21B25/16—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors for obtaining oriented cores

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Saccharide Compounds (AREA)
  • Magnetic Heads (AREA)
  • Sampling And Sample Adjustment (AREA)
DE8787304403T 1986-05-17 1987-05-18 Kernrohr zur gewinnung von orientierten bohrkernen. Expired - Fee Related DE3780882T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868612052A GB8612052D0 (en) 1986-05-17 1986-05-17 Corebarrel

Publications (2)

Publication Number Publication Date
DE3780882D1 true DE3780882D1 (de) 1992-09-10
DE3780882T2 DE3780882T2 (de) 1993-03-11

Family

ID=10598029

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787304403T Expired - Fee Related DE3780882T2 (de) 1986-05-17 1987-05-18 Kernrohr zur gewinnung von orientierten bohrkernen.

Country Status (6)

Country Link
US (1) US4765414A (de)
EP (1) EP0253473B1 (de)
CA (1) CA1249261A (de)
DE (1) DE3780882T2 (de)
GB (1) GB8612052D0 (de)
NO (1) NO177763C (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3813508C1 (de) * 1988-04-22 1989-10-12 Eastman Christensen Co., Salt Lake City, Utah, Us
GB8817261D0 (en) * 1988-07-20 1988-08-24 Sperry Sun Inc Down-hole bearing assemblies for maintaining survey instrument assembly & core barrel orientation
NL188958C (nl) * 1990-04-27 1992-11-16 Wavin Bv Buiselement voor het nemen van bodemmonsters.
US5568838A (en) * 1994-09-23 1996-10-29 Baker Hughes Incorporated Bit-stabilized combination coring and drilling system
US6003620A (en) * 1996-07-26 1999-12-21 Advanced Coring Technology, Inc. Downhole in-situ measurement of physical and or chemical properties including fluid saturations of cores while coring
US5984023A (en) * 1996-07-26 1999-11-16 Advanced Coring Technology Downhole in-situ measurement of physical and or chemical properties including fluid saturations of cores while coring
AP2142A (en) * 2004-09-03 2010-08-16 Australian Mud Company Ltd Core Sample orientation.
US7765743B2 (en) * 2007-10-25 2010-08-03 Russell Guilford Corner gutter screen assembly
AU2010217183B2 (en) * 2009-02-25 2016-06-09 Reflex Instruments Asia Pacific Pty Ltd Centralising core orientation apparatus
US8739899B2 (en) * 2010-07-19 2014-06-03 Baker Hughes Incorporated Small core generation and analysis at-bit as LWD tool

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1701724A (en) * 1924-02-21 1929-02-12 Standard Oil Co Core barrel
US1769152A (en) * 1924-05-20 1930-07-01 Standard Oil Co Core barrel
US1777010A (en) * 1925-10-13 1930-09-30 Standard Oil Co California Core barrel
US2489566A (en) * 1945-11-27 1949-11-29 Eastman Oil Well Survey Co Core orienting apparatus
US2555275A (en) * 1946-05-20 1951-05-29 Core Recorder Inc Art of well drilling
US3207239A (en) * 1961-10-31 1965-09-21 Tiefbohr Mess Dienst Leutert & Apparatus for marking and for recovering oriented drill cores
US3450216A (en) * 1965-05-21 1969-06-17 Christensen Diamond Prod Co Core orienting apparatus and method
DE3000319C2 (de) * 1980-01-05 1985-04-18 Ruhrkohle Ag, 4300 Essen Vorrichtung zur Neigungsmessung von Bohrkernen
US4311201A (en) * 1980-04-07 1982-01-19 Amax Inc. Core sample orientation tool
US4638872A (en) * 1985-04-01 1987-01-27 Diamond Oil Well Drilling Company Core monitoring device

Also Published As

Publication number Publication date
EP0253473A3 (en) 1989-02-22
NO177763C (no) 1995-11-15
DE3780882T2 (de) 1993-03-11
GB8612052D0 (en) 1986-06-25
US4765414A (en) 1988-08-23
NO872073L (no) 1987-11-18
EP0253473A2 (de) 1988-01-20
NO177763B (no) 1995-08-07
EP0253473B1 (de) 1992-08-05
NO872073D0 (no) 1987-05-18
CA1249261A (en) 1989-01-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee