DE8902189U1 - - Google Patents

Info

Publication number
DE8902189U1
DE8902189U1 DE8902189U DE8902189U DE8902189U1 DE 8902189 U1 DE8902189 U1 DE 8902189U1 DE 8902189 U DE8902189 U DE 8902189U DE 8902189 U DE8902189 U DE 8902189U DE 8902189 U1 DE8902189 U1 DE 8902189U1
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
DE8902189U
Other languages
German (de)
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.)
Turmag Turbo-Maschinen-Ag Nuesse & Graefer 4322 Sprockhoevel De
Original Assignee
Turmag Turbo-Maschinen-Ag Nuesse & Graefer 4322 Sprockhoevel 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 Turmag Turbo-Maschinen-Ag Nuesse & Graefer 4322 Sprockhoevel De filed Critical Turmag Turbo-Maschinen-Ag Nuesse & Graefer 4322 Sprockhoevel De
Priority to DE8902189U priority Critical patent/DE8902189U1/de
Publication of DE8902189U1 publication Critical patent/DE8902189U1/de
Expired legal-status Critical Current

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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/127—Packers; Plugs with inflatable sleeve
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • 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
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/005—Below-ground automatic control 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)
DE8902189U 1989-02-24 1989-02-24 Expired DE8902189U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8902189U DE8902189U1 (en) 1989-02-24 1989-02-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8902189U DE8902189U1 (en) 1989-02-24 1989-02-24

Publications (1)

Publication Number Publication Date
DE8902189U1 true DE8902189U1 (en) 1989-05-03

Family

ID=6836367

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8902189U Expired DE8902189U1 (en) 1989-02-24 1989-02-24

Country Status (1)

Country Link
DE (1) DE8902189U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994016192A2 (en) * 1993-01-13 1994-07-21 Baker Hughes Incorporated Zone isolation apparatus
WO2005061843A1 (en) * 2003-12-22 2005-07-07 Blickhan, Elisabeth, Charlotte Drilling device
EP1731708A1 (en) * 2005-06-10 2006-12-13 Geomechanik Wasser- und Umwelttechnik GmbH Sledgehammer drilling apparatus and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994016192A2 (en) * 1993-01-13 1994-07-21 Baker Hughes Incorporated Zone isolation apparatus
WO1994016192A3 (en) * 1993-01-13 1994-11-10 Baker Hughes Inc Zone isolation apparatus
WO2005061843A1 (en) * 2003-12-22 2005-07-07 Blickhan, Elisabeth, Charlotte Drilling device
EP1731708A1 (en) * 2005-06-10 2006-12-13 Geomechanik Wasser- und Umwelttechnik GmbH Sledgehammer drilling apparatus and method
WO2006131339A1 (en) * 2005-06-10 2006-12-14 Geomechanik Wasser- Und Umwelttechnik Gmbh Dth-hammer drilling device and overburden drilling method
EA014437B1 (en) * 2005-06-10 2010-12-30 Геомеханик Вассер- Унд Умвельттехник Гмбх Device for drilling with a downhole hammer and an overburden drilling method

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