BR112014033068A2 - lock structure, and drill head assembly. - Google Patents

lock structure, and drill head assembly.

Info

Publication number
BR112014033068A2
BR112014033068A2 BR112014033068A BR112014033068A BR112014033068A2 BR 112014033068 A2 BR112014033068 A2 BR 112014033068A2 BR 112014033068 A BR112014033068 A BR 112014033068A BR 112014033068 A BR112014033068 A BR 112014033068A BR 112014033068 A2 BR112014033068 A2 BR 112014033068A2
Authority
BR
Brazil
Prior art keywords
head assembly
drill head
lock structure
lock
drill
Prior art date
Application number
BR112014033068A
Other languages
Portuguese (pt)
Inventor
Lachance Anthony
L Drenth Christopher
Iondov George
Original Assignee
Longyear Tm Inc
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 Tm Inc filed Critical Longyear Tm Inc
Publication of BR112014033068A2 publication Critical patent/BR112014033068A2/en

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • E21B47/095—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting an acoustic anomalies, e.g. using mud-pressure pulses
BR112014033068A 2012-08-23 2012-08-23 lock structure, and drill head assembly. BR112014033068A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2012/052063 WO2014031120A1 (en) 2012-08-23 2012-08-23 Latch body components having multiple functions, and drilling head assembly incorporating same

Publications (1)

Publication Number Publication Date
BR112014033068A2 true BR112014033068A2 (en) 2017-06-27

Family

ID=50150275

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014033068A BR112014033068A2 (en) 2012-08-23 2012-08-23 lock structure, and drill head assembly.

Country Status (7)

Country Link
EP (1) EP2888432B1 (en)
CN (1) CN104520525B (en)
AU (1) AU2012388216B2 (en)
BR (1) BR112014033068A2 (en)
CA (1) CA2877113C (en)
WO (1) WO2014031120A1 (en)
ZA (1) ZA201500020B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11242719B2 (en) 2017-11-27 2022-02-08 Chevron U.S.A. Inc. Subterranean coring assemblies
US10577879B2 (en) 2017-11-27 2020-03-03 Chevron U.S.A. Inc. Subterranean coring assemblies
GB2591048B (en) * 2018-11-06 2022-11-09 Canrig Robotic Technologies As Elevator with independent articulation of certain jaws for lifting tubulars of various sizes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800969A (en) * 1987-11-24 1989-01-31 Longyear Company Fast descent core barrel apparatus
US5934393A (en) * 1997-02-19 1999-08-10 Boart Longyear International Holdings, Inc. Core barrel apparatus
US6029758A (en) 1997-11-24 2000-02-29 Boart Longyear International Holdings, Inc. Retractable core barrel valving apparatus
US6089335A (en) 1998-12-16 2000-07-18 Boart Longyear International Holdings, Inc. Positive latch core barrel apparatus
CN101675205B (en) * 2007-03-03 2013-12-25 朗耶商标有限公司 High productivity core drilling system
US8485280B2 (en) * 2009-10-07 2013-07-16 Longyear Tm, Inc. Core drilling tools with retractably lockable driven latch mechanisms
NO334083B1 (en) * 2009-11-04 2013-12-09 Devico As Core drill head for drilling system
US9488021B2 (en) * 2010-08-30 2016-11-08 Atlas Copco Canada Inc Quickly reconfigurable core barrel head assembly

Also Published As

Publication number Publication date
CA2877113A1 (en) 2014-02-27
WO2014031120A1 (en) 2014-02-27
CN104520525B (en) 2017-01-18
ZA201500020B (en) 2016-10-26
EP2888432B1 (en) 2019-07-24
CA2877113C (en) 2015-12-15
AU2012388216A1 (en) 2015-01-22
CN104520525A (en) 2015-04-15
AU2012388216B2 (en) 2017-01-05
EP2888432A1 (en) 2015-07-01
EP2888432A4 (en) 2016-06-01

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law
B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2476 DE 19-06-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.