DE8714201U1 - - Google Patents

Info

Publication number
DE8714201U1
DE8714201U1 DE8714201U DE8714201U DE8714201U1 DE 8714201 U1 DE8714201 U1 DE 8714201U1 DE 8714201 U DE8714201 U DE 8714201U DE 8714201 U DE8714201 U DE 8714201U DE 8714201 U1 DE8714201 U1 DE 8714201U1
Authority
DE
Germany
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
DE8714201U
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.)
ING GUENTER KLEMM SPEZIALUNTERNEHMEN fur BOHRTECHNIK 5962 DROLSHAGEN DE
Original Assignee
ING GUENTER KLEMM SPEZIALUNTERNEHMEN fur BOHRTECHNIK 5962 DROLSHAGEN DE
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 ING GUENTER KLEMM SPEZIALUNTERNEHMEN fur BOHRTECHNIK 5962 DROLSHAGEN DE filed Critical ING GUENTER KLEMM SPEZIALUNTERNEHMEN fur BOHRTECHNIK 5962 DROLSHAGEN DE
Priority to DE8714201U priority Critical patent/DE8714201U1/de
Publication of DE8714201U1 publication Critical patent/DE8714201U1/de
Expired 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
    • 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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
DE8714201U 1987-10-24 1987-10-24 Expired DE8714201U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8714201U DE8714201U1 (de) 1987-10-24 1987-10-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8714201U DE8714201U1 (de) 1987-10-24 1987-10-24

Publications (1)

Publication Number Publication Date
DE8714201U1 true DE8714201U1 (de) 1988-03-10

Family

ID=6813379

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8714201U Expired DE8714201U1 (de) 1987-10-24 1987-10-24

Country Status (1)

Country Link
DE (1) DE8714201U1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0376239A2 (de) * 1988-12-30 1990-07-04 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH Bohrgestänge
EP0461311A2 (de) * 1990-06-12 1991-12-18 Hitachi Construction Machinery Co., Ltd. Zylindrisches teleskopisches Antriebsgestänge
DE4041303A1 (de) * 1990-12-21 1992-06-25 Bauer Spezialtiefbau Teleskopierbare bohrstange
EP2246520A1 (de) 2009-04-24 2010-11-03 BAUER Maschinen GmbH Kellystangenanordnung

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0376239A2 (de) * 1988-12-30 1990-07-04 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH Bohrgestänge
EP0376239A3 (de) * 1988-12-30 1991-04-24 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH Bohrgestänge
EP0461311A2 (de) * 1990-06-12 1991-12-18 Hitachi Construction Machinery Co., Ltd. Zylindrisches teleskopisches Antriebsgestänge
EP0461311A3 (en) * 1990-06-12 1992-07-08 Hitachi Construction Machinery Co., Ltd. Cylindrical telescopic kelly-bar apparatus
US5263899A (en) * 1990-06-12 1993-11-23 Hitachi Construction Machinery Co., Ltd. Cylindrical telescopic kelly-bar apparatus
EP0798444A1 (de) * 1990-06-12 1997-10-01 Hitachi Construction Machinery Co., Ltd. Zylindrisches,teleskopisches Antriebsgestänge
DE4041303A1 (de) * 1990-12-21 1992-06-25 Bauer Spezialtiefbau Teleskopierbare bohrstange
DE4041303C2 (de) * 1990-12-21 1998-10-15 Bauer Spezialtiefbau Teleskopierbare Bohrstange
EP2246520A1 (de) 2009-04-24 2010-11-03 BAUER Maschinen GmbH Kellystangenanordnung
US8246474B2 (en) 2009-04-24 2012-08-21 Bauer Maschinen Gmbh Kelly bar arrangement

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