FR2007332A1 - - Google Patents

Info

Publication number
FR2007332A1
FR2007332A1 FR6913951A FR6913951A FR2007332A1 FR 2007332 A1 FR2007332 A1 FR 2007332A1 FR 6913951 A FR6913951 A FR 6913951A FR 6913951 A FR6913951 A FR 6913951A FR 2007332 A1 FR2007332 A1 FR 2007332A1
Authority
FR
France
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Withdrawn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
FR6913951A
Other languages
French (fr)
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.)
Longyear Co
Original Assignee
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 Longyear Co filed Critical Longyear Co
Publication of FR2007332A1 publication Critical patent/FR2007332A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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, core extractors
    • E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
FR6913951A 1968-04-30 1969-04-30 Withdrawn FR2007332A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72539968A 1968-04-30 1968-04-30

Publications (1)

Publication Number Publication Date
FR2007332A1 true FR2007332A1 (en) 1970-01-02

Family

ID=24914397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6913951A Withdrawn FR2007332A1 (en) 1968-04-30 1969-04-30

Country Status (6)

Country Link
US (1) US3461981A (en)
JP (1) JPS536081B1 (en)
BR (1) BR6908466D0 (en)
DE (1) DE1921960B2 (en)
FR (1) FR2007332A1 (en)
GB (1) GB1263965A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871487A (en) * 1974-02-25 1975-03-18 Longyear Co Wire line soil sampler apparatus
US3930679A (en) * 1974-04-11 1976-01-06 Longyear Company Dry hole wire core barrel apparatus
US5267620A (en) * 1991-05-01 1993-12-07 Longyear Company Drilling latch apparatus
AUPN505395A0 (en) * 1995-08-28 1995-09-21 Down Hole Technologies Pty Ltd Tool for transporting cutting means to and from a ground drill
AUPN505295A0 (en) * 1995-08-28 1995-09-21 Down Hole Technologies Pty Ltd Retraction system for a latching mechanism of the tool
US6029758A (en) * 1997-11-24 2000-02-29 Boart Longyear International Holdings, Inc. Retractable core barrel valving apparatus
US9359847B2 (en) 2007-03-03 2016-06-07 Longyear Tm, Inc. High productivity core drilling system
CN101675205B (en) * 2007-03-03 2013-12-25 朗耶商标有限公司 High productivity core drilling system
US7967085B2 (en) * 2008-04-22 2011-06-28 Longyear Tm, Inc. Braking devices for use in drilling operations
US7921926B2 (en) * 2008-05-16 2011-04-12 Longyear Tm, Inc. Jointed spearhead assembly
US8869918B2 (en) 2009-10-07 2014-10-28 Longyear Tm, Inc. Core drilling tools with external fluid pathways
US9399898B2 (en) 2009-10-07 2016-07-26 Longyear Tm, Inc. Core drilling tools with retractably lockable driven latch mechanisms
US9528337B2 (en) 2009-10-07 2016-12-27 Longyear Tm, Inc. Up-hole bushing and core barrel head assembly comprising same
US8485280B2 (en) * 2009-10-07 2013-07-16 Longyear Tm, Inc. Core drilling tools with retractably lockable driven latch mechanisms
US8794355B2 (en) * 2009-10-07 2014-08-05 Longyear Tm, Inc. Driven latch mechanism
CA2784195C (en) 2011-08-01 2014-08-05 Groupe Fordia Inc. Core barrel assembly including a valve
JP6433338B2 (en) * 2015-03-02 2018-12-05 西松建設株式会社 Sampling system and sampling method
CN108868677B (en) * 2018-08-13 2024-01-26 四川大学 Interlocking mechanism for core drilling machine and dental drill
CN109538147A (en) * 2018-12-24 2019-03-29 中铁二院工程集团有限责任公司 Single-action twin-pipes impact core bit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857138A (en) * 1954-07-02 1958-10-21 Longyear E J Co Core barrel
US3120282A (en) * 1958-09-18 1964-02-04 Longyear E J Co Wire line core barrel improvements
US3120283A (en) * 1959-07-24 1964-02-04 Longyear E J Co Underground wire line core barrel apparatus
US3225845A (en) * 1961-02-17 1965-12-28 Joy Mfg Co Core barrel assembly
US3333647A (en) * 1964-11-27 1967-08-01 Longyear E J Co Wire line core barrel
US3340939A (en) * 1965-08-27 1967-09-12 Longyear E J Co Core lifter apparatus

Also Published As

Publication number Publication date
GB1263965A (en) 1972-02-16
DE1921960B2 (en) 1971-04-15
US3461981A (en) 1969-08-19
DE1921960A1 (en) 1969-11-06
JPS536081B1 (en) 1978-03-04
BR6908466D0 (en) 1973-02-27

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
ST Notification of lapse