DE3865064D1 - Vorrichtung zum verschliessen eines kernbohrgeraetes in einem bohrstrang. - Google Patents

Vorrichtung zum verschliessen eines kernbohrgeraetes in einem bohrstrang.

Info

Publication number
DE3865064D1
DE3865064D1 DE8888870060T DE3865064T DE3865064D1 DE 3865064 D1 DE3865064 D1 DE 3865064D1 DE 8888870060 T DE8888870060 T DE 8888870060T DE 3865064 T DE3865064 T DE 3865064T DE 3865064 D1 DE3865064 D1 DE 3865064D1
Authority
DE
Germany
Prior art keywords
closing
drill string
core drilling
drilling device
core
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
DE8888870060T
Other languages
English (en)
Inventor
Charles Pierre Hallez
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.)
Diamant Boart NV SA
Original Assignee
Diamant Boart NV SA
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 Diamant Boart NV SA filed Critical Diamant Boart NV SA
Application granted granted Critical
Publication of DE3865064D1 publication Critical patent/DE3865064D1/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
    • 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
    • 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

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)
  • Earth Drilling (AREA)
DE8888870060T 1987-04-14 1988-04-13 Vorrichtung zum verschliessen eines kernbohrgeraetes in einem bohrstrang. Expired - Fee Related DE3865064D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE8700395A BE1000474A3 (fr) 1987-04-14 1987-04-14 Dispositif pour obturer un carottier monte dans un equipement de sondage.

Publications (1)

Publication Number Publication Date
DE3865064D1 true DE3865064D1 (de) 1991-10-31

Family

ID=3882613

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888870060T Expired - Fee Related DE3865064D1 (de) 1987-04-14 1988-04-13 Vorrichtung zum verschliessen eines kernbohrgeraetes in einem bohrstrang.

Country Status (5)

Country Link
US (1) US4887676A (de)
EP (1) EP0287548B1 (de)
BE (1) BE1000474A3 (de)
DE (1) DE3865064D1 (de)
NO (1) NO881603L (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0588373A1 (de) * 1990-05-31 1994-03-23 Diamant Boart Stratabit S.A. Doppelkernrohr für abgelenkte Bohrungen
BE1004330A3 (fr) * 1990-05-31 1992-11-03 Diamant Boart Stratabit Sa Carottier double pour forage devie.
US6009960A (en) * 1998-01-27 2000-01-04 Diamond Products International, Inc. Coring tool
US7100700B2 (en) * 2002-09-24 2006-09-05 Baker Hughes Incorporated Downhole ball dropping apparatus
GB2526826B (en) 2014-06-03 2016-05-18 Nov Downhole Eurasia Ltd Downhole actuation apparatus and associated methods
US10577879B2 (en) * 2017-11-27 2020-03-03 Chevron U.S.A. Inc. Subterranean coring assemblies

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1011823B (de) * 1954-11-17 1957-07-11 Helmut Huegel Dr Ing Einrichtung bei Kernbohrern
US3332497A (en) * 1964-11-12 1967-07-25 Jr John S Page Tubing and annulus pressure responsive and retrievable valve
US3850194A (en) * 1973-01-09 1974-11-26 Brown Oil Tools Check valve assembly
US4300643A (en) * 1979-03-22 1981-11-17 Diamant Boart Double core barrel
DE2919007C2 (de) * 1979-05-11 1982-07-22 Christensen, Inc., 84115 Salt Lake City, Utah Kernbohreinrichtung für Gesteinsbohrlöcher
US4453599A (en) * 1982-05-10 1984-06-12 Otis Engineering Corporation Method and apparatus for controlling a well
US4519457A (en) * 1984-02-16 1985-05-28 Armco Inc. Oil well standing valve

Also Published As

Publication number Publication date
BE1000474A3 (fr) 1988-12-20
EP0287548B1 (de) 1991-09-25
EP0287548A1 (de) 1988-10-19
NO881603D0 (no) 1988-04-13
US4887676A (en) 1989-12-19
NO881603L (no) 1988-10-17

Similar Documents

Publication Publication Date Title
DE3776959D1 (de) Vorrichtung zum ruetteln eines bohrstranges in einem bohrloch.
DE3853303D1 (de) Vorrichtung zum Perforieren eines Bohrloches.
DE3866637D1 (de) Unterirdische vorrichtung zum loesen eines stopfens.
DE69123260D1 (de) Anordnung zum nmr-messen eines bohrlochs während dessen bohrens
NO163640C (no) Innretning for signalering i et borehull under boring.
NO812775L (no) Innretning for signalering i et borehull under boring
ATA267287A (de) Bohrgestaenge zum schlagbohren
NO832503L (no) Innretning for signalering i et borehull under boring
DE3789145D1 (de) Einrichtung zur Datenübertragung in einem Bohrloch mit einem magnetischen Bohrgestänge.
DE3587817D1 (de) Vorrichtung zum Bewegen eines Teils entlang einer geschlossenen Kurve.
DE3582269D1 (de) Vorrichtung zum einbringen eines katheters.
DE3580537D1 (de) Vorrichtung zum einfuehren eines katheters.
NO970446D0 (no) Apparat for å detektere innströmning i en brönn under boring
NO178083C (no) Fremgangsmåte og anordning for logging i en produksjonsbrönn
DE3277880D1 (en) Method and means for transmitting data through a drill string in a borehole
NO179051C (no) Rörforbindelse for rördeler i en borestreng
DE3873407D1 (de) Verfahren zum zementieren eines foerderrohres in einem unterirdischen gekruemmten bohrloch.
DE3865360D1 (de) Verriegelungsmechanismus zum verriegeln eines bohrlochwerkzeugs in einem foerderstrang.
GB2048996B (en) Drilling device for drilling a core in deep drill holes
DE3773477D1 (de) Verfahren zur ueberwachung des drehbohrens in einem bohrloch.
NO913810L (no) Verktoey for testing av en borestreng.
DE3583129D1 (de) Vorrichtung zum herausziehen eines magnetbandes.
BE884025A (fr) Outil de forage de fond et procede de forage d'un sondage au moyen de cet outil
DE69009914D1 (de) Vorrichtung zur Positionierung eines Bohrmeissels.
NO174479C (no) Fremgangsmåte og anordning for boring av et hull i fjell

Legal Events

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