GB1134204A - Core drilling apparatus - Google Patents

Core drilling apparatus

Info

Publication number
GB1134204A
GB1134204A GB36461/66A GB3646166A GB1134204A GB 1134204 A GB1134204 A GB 1134204A GB 36461/66 A GB36461/66 A GB 36461/66A GB 3646166 A GB3646166 A GB 3646166A GB 1134204 A GB1134204 A GB 1134204A
Authority
GB
United Kingdom
Prior art keywords
core
drilling apparatus
core drilling
lifter
aug
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
Application number
GB36461/66A
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.)
EJ Longyear Co
Original Assignee
EJ Longyear Co
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 EJ Longyear Co filed Critical EJ Longyear Co
Publication of GB1134204A publication Critical patent/GB1134204A/en
Expired 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
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
    • 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
    • E21B25/10—Formed core retaining or severing means
    • E21B25/12—Formed core retaining or severing means of the sliding wedge type

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)
  • Earth Drilling (AREA)

Abstract

1,134,204. Boring earth &c. E. J. LONGYEAR CO. 15 Aug., 1966 [27 Aug., 1965], No. 36461/66. Heading E1F. In core-taking apparatus having a core lifter case 76 and a core lifter 85, the lifter bears during drilling against a hardened steel split ring 78 housed in groove 77.
GB36461/66A 1965-08-27 1966-08-15 Core drilling apparatus Expired GB1134204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US483102A US3340939A (en) 1965-08-27 1965-08-27 Core lifter apparatus

Publications (1)

Publication Number Publication Date
GB1134204A true GB1134204A (en) 1968-11-20

Family

ID=23918672

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36461/66A Expired GB1134204A (en) 1965-08-27 1966-08-15 Core drilling apparatus

Country Status (4)

Country Link
US (1) US3340939A (en)
FR (1) FR1489560A (en)
GB (1) GB1134204A (en)
SE (1) SE306510B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485310A (en) * 1968-01-22 1969-12-23 Vincent Milosevich Wire line core barrel apparatus
US3461981A (en) * 1968-04-30 1969-08-19 Longyear Co E J Wire line core barrel apparatus
US3874466A (en) * 1974-04-19 1975-04-01 New Jersey Zinc Co Core tube placement and retrieval
DE3070343D1 (en) * 1980-11-21 1985-04-25 Diamant Boart Sa Method for recovering a retrievable core receiver in upward drilling and a recovery head for this purpose
EP0278599A3 (en) * 1987-02-02 1988-12-07 Seiko Epson Corporation Photographic transfer type image forming apparatus
BE1000529A4 (en) * 1987-05-13 1989-01-17 Diamant Boart Sa Device control lock core survey.
US4800969A (en) * 1987-11-24 1989-01-31 Longyear Company Fast descent core barrel apparatus
US4834198A (en) * 1988-04-25 1989-05-30 Longyear Company Positive latch wire line core barrel apparatus
AU629609B2 (en) * 1989-02-22 1992-10-08 Longyear Tm Inc Wire line core drilling apparatus
US5031708A (en) * 1990-04-20 1991-07-16 Longyear Company Cockable corebreaker apparatus
CA2082439C (en) * 1991-11-14 2004-05-11 Simon J. Harrison Overcenter toggle latch apparatus
US5934393A (en) * 1997-02-19 1999-08-10 Boart Longyear International Holdings, Inc. Core barrel apparatus
US6089335A (en) * 1998-12-16 2000-07-18 Boart Longyear International Holdings, Inc. Positive latch core barrel apparatus
US7921926B2 (en) * 2008-05-16 2011-04-12 Longyear Tm, Inc. Jointed spearhead assembly
US9528337B2 (en) * 2009-10-07 2016-12-27 Longyear Tm, Inc. Up-hole bushing and core barrel head assembly comprising same
US8869918B2 (en) 2009-10-07 2014-10-28 Longyear Tm, Inc. Core drilling tools with external fluid pathways
US8794355B2 (en) 2009-10-07 2014-08-05 Longyear Tm, Inc. Driven latch mechanism
US8770320B2 (en) * 2009-11-03 2014-07-08 Longyear Tm, Inc. Core lifter
CA2784195C (en) 2011-08-01 2014-08-05 Groupe Fordia Inc. Core barrel assembly including a valve
EP2900899A4 (en) * 2012-09-25 2016-05-11 Ct Tech Pty Ltd A core lifter assembly
WO2015188101A1 (en) * 2014-06-06 2015-12-10 Bly Ip Inc. Inner tube assembly with tapered inner wall and systems and methods for using and making same
WO2017015725A1 (en) * 2015-07-30 2017-02-02 Ct Tech Pty Ltd A ring replacement system for a core lifter assembly
US10428612B2 (en) * 2016-04-06 2019-10-01 Byron Harvey Wade Apparatus and method for withdrawing cores from drilled holes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126064A (en) * 1964-03-24 miller
US2829868A (en) * 1953-08-14 1958-04-08 Longyear E J Co Wire line core barrel
US3225845A (en) * 1961-02-17 1965-12-28 Joy Mfg Co Core barrel assembly
US3127943A (en) * 1962-03-05 1964-04-07 Christensen Diamond Prod Co Wire line core barrel
US3305033A (en) * 1964-03-04 1967-02-21 Longyear E J Co Core barrel

Also Published As

Publication number Publication date
SE306510B (en) 1968-12-02
FR1489560A (en) 1967-07-21
US3340939A (en) 1967-09-12

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