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DE59710213D1 - Bohrgestänge - Google Patents

Bohrgestänge

Info

Publication number
DE59710213D1
DE59710213D1 DE59710213T DE59710213T DE59710213D1 DE 59710213 D1 DE59710213 D1 DE 59710213D1 DE 59710213 T DE59710213 T DE 59710213T DE 59710213 T DE59710213 T DE 59710213T DE 59710213 D1 DE59710213 D1 DE 59710213D1
Authority
DE
Germany
Prior art keywords
drill pipe
drill
pipe
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 - Lifetime
Application number
DE59710213T
Other languages
English (en)
Inventor
Doris Krieger
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.)
Tracto Technik GmbH and Co KG
Original Assignee
Doll Fahrzeugbau GmbH
FLOWTEX FRANCE PARIS
Gaz de France 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 Doll Fahrzeugbau GmbH, FLOWTEX FRANCE PARIS, Gaz de France SA filed Critical Doll Fahrzeugbau GmbH
Application granted granted Critical
Publication of DE59710213D1 publication Critical patent/DE59710213D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers

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)
DE59710213T 1996-11-29 1997-07-02 Bohrgestänge Expired - Lifetime DE59710213D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19649572A DE19649572C2 (de) 1996-11-29 1996-11-29 Bohrvorrichtung

Publications (1)

Publication Number Publication Date
DE59710213D1 true DE59710213D1 (de) 2003-07-10

Family

ID=7813172

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19649572A Expired - Fee Related DE19649572C2 (de) 1996-11-29 1996-11-29 Bohrvorrichtung
DE59710213T Expired - Lifetime DE59710213D1 (de) 1996-11-29 1997-07-02 Bohrgestänge

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19649572A Expired - Fee Related DE19649572C2 (de) 1996-11-29 1996-11-29 Bohrvorrichtung

Country Status (2)

Country Link
EP (1) EP0845576B1 (de)
DE (2) DE19649572C2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111794694B (zh) * 2020-07-18 2024-07-23 山东兖能泰德重工有限公司 连接器
CN113153172B (zh) * 2021-03-22 2023-10-20 东营市三和石油装备有限公司 一种全喷焊耐高温防腐蚀抽油杆

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117895A (en) * 1977-03-30 1978-10-03 Smith International, Inc. Apparatus and method for enlarging underground arcuate bore holes
US4784230A (en) * 1985-05-14 1988-11-15 Cherrington Martin D Apparatus and method for installing a conduit within an arcuate bore
EP0209217B1 (de) * 1985-05-14 1991-07-24 Cherrington Corporation Vorrichtung und Verfahren zum Herstellen eines vergrösserten gekrümmten Bohrlochs im Untergrund und zum Installieren eines Rohres darin
US5242026A (en) * 1991-10-21 1993-09-07 The Charles Machine Works, Inc. Method of and apparatus for drilling a horizontal controlled borehole in the earth
US5176211A (en) * 1991-09-16 1993-01-05 Baker Energy Resources Corporation Apparatus and method for recirculating mud when drilling under an obstacle

Also Published As

Publication number Publication date
EP0845576B1 (de) 2003-06-04
DE19649572C2 (de) 1999-11-04
EP0845576A2 (de) 1998-06-03
DE19649572A1 (de) 1998-06-04
EP0845576A3 (de) 1999-05-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TRACTO-TECHNIK GMBH, 57368 LENNESTADT, DE