DE3611014C2 - - Google Patents

Info

Publication number
DE3611014C2
DE3611014C2 DE19863611014 DE3611014A DE3611014C2 DE 3611014 C2 DE3611014 C2 DE 3611014C2 DE 19863611014 DE19863611014 DE 19863611014 DE 3611014 A DE3611014 A DE 3611014A DE 3611014 C2 DE3611014 C2 DE 3611014C2
Authority
DE
Germany
Prior art keywords
core
core tube
tube
drill
drill bit
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
DE19863611014
Other languages
German (de)
English (en)
Other versions
DE3611014A1 (de
Inventor
Markus 8898 Muehlried De Schmid
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.)
Bauer Spezialtiefbau GmbH
Original Assignee
Bauer Spezialtiefbau GmbH
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 Bauer Spezialtiefbau GmbH filed Critical Bauer Spezialtiefbau GmbH
Priority to DE19863611014 priority Critical patent/DE3611014A1/de
Priority to CH121887A priority patent/CH674239A5/de
Publication of DE3611014A1 publication Critical patent/DE3611014A1/de
Application granted granted Critical
Publication of DE3611014C2 publication Critical patent/DE3611014C2/de
Granted 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
    • E21B25/10—Formed core retaining or severing means
    • E21B25/14—Formed core retaining or severing means mounted on pivot transverse to core axis

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)
DE19863611014 1986-04-02 1986-04-02 Kerndrehbohrer Granted DE3611014A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19863611014 DE3611014A1 (de) 1986-04-02 1986-04-02 Kerndrehbohrer
CH121887A CH674239A5 (zh) 1986-04-02 1987-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863611014 DE3611014A1 (de) 1986-04-02 1986-04-02 Kerndrehbohrer

Publications (2)

Publication Number Publication Date
DE3611014A1 DE3611014A1 (de) 1987-10-08
DE3611014C2 true DE3611014C2 (zh) 1989-05-18

Family

ID=6297740

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863611014 Granted DE3611014A1 (de) 1986-04-02 1986-04-02 Kerndrehbohrer

Country Status (2)

Country Link
CH (1) CH674239A5 (zh)
DE (1) DE3611014A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3067512A1 (de) 2015-03-11 2016-09-14 Bauer Spezialtiefbau GmbH Drehbohrwerkzeug, bohrgerät und verfahren zum erstellen einer bohrung im boden

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3034776B1 (en) 2014-12-17 2019-01-30 BAUER Spezialtiefbau GmbH Ground working tool and method for its operation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE28650C (de) * TECKLENBURG, Bergrath in Darmstadt Stofsbohrer mit Kernschutzröhre
US2083062A (en) * 1936-01-27 1937-06-08 Cameron Iron Works Inc Core catcher
US2103611A (en) * 1936-10-13 1937-12-28 Globe Oil Tools Co Core catcher
US2161582A (en) * 1938-01-07 1939-06-06 Reed Roller Bit Co Core catcher
US2471616A (en) * 1945-04-10 1949-05-31 Globe Oil Tools Co Core catcher
FR2783977B1 (fr) * 1998-09-29 2000-11-03 Commissariat Energie Atomique Microlaser a pompage module et procede de codage-decodage de l'emission d'un tel microlaser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3067512A1 (de) 2015-03-11 2016-09-14 Bauer Spezialtiefbau GmbH Drehbohrwerkzeug, bohrgerät und verfahren zum erstellen einer bohrung im boden

Also Published As

Publication number Publication date
DE3611014A1 (de) 1987-10-08
CH674239A5 (zh) 1990-05-15

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee