DE2918150A1 - Zentriereinrichtung fuer bohrlochmessgeraete - Google Patents

Zentriereinrichtung fuer bohrlochmessgeraete

Info

Publication number
DE2918150A1
DE2918150A1 DE19792918150 DE2918150A DE2918150A1 DE 2918150 A1 DE2918150 A1 DE 2918150A1 DE 19792918150 DE19792918150 DE 19792918150 DE 2918150 A DE2918150 A DE 2918150A DE 2918150 A1 DE2918150 A1 DE 2918150A1
Authority
DE
Germany
Prior art keywords
appts
centering
groups
electric
bolts
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.)
Granted
Application number
DE19792918150
Other languages
English (en)
Other versions
DE2918150C2 (de
Inventor
Johannes Henneke
Heinz Wallussek
Herbert Ing Grad Hentsch
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.)
Bergwerksverband GmbH
Original Assignee
Bergwerksverband 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 Bergwerksverband GmbH filed Critical Bergwerksverband GmbH
Priority to DE2918150A priority Critical patent/DE2918150C2/de
Priority to CA331,601A priority patent/CA1124508A/en
Priority to FR7918243A priority patent/FR2431023A1/fr
Priority to GB7924729A priority patent/GB2029963B/en
Publication of DE2918150A1 publication Critical patent/DE2918150A1/de
Application granted granted Critical
Publication of DE2918150C2 publication Critical patent/DE2918150C2/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
    • E21B47/00—Survey of boreholes or wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F9/00—Devices preventing sparking of machines or apparatus
    • 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
    • E21B17/10—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 OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/002—Survey of boreholes or wells by visual inspection
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Earth Drilling (AREA)
DE2918150A 1978-07-15 1979-05-05 Zentriereinrichtung für ein Bohrlochmeßgerät Expired DE2918150C2 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE2918150A DE2918150C2 (de) 1979-05-05 1979-05-05 Zentriereinrichtung für ein Bohrlochmeßgerät
CA331,601A CA1124508A (en) 1978-07-15 1979-07-11 Borehole surveying instrument
FR7918243A FR2431023A1 (fr) 1978-07-15 1979-07-13 Installation de mesure pour trou de forage
GB7924729A GB2029963B (en) 1978-07-15 1979-07-16 Device for borehole surveying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2918150A DE2918150C2 (de) 1979-05-05 1979-05-05 Zentriereinrichtung für ein Bohrlochmeßgerät

Publications (2)

Publication Number Publication Date
DE2918150A1 true DE2918150A1 (de) 1980-11-13
DE2918150C2 DE2918150C2 (de) 1982-07-22

Family

ID=6070006

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2918150A Expired DE2918150C2 (de) 1978-07-15 1979-05-05 Zentriereinrichtung für ein Bohrlochmeßgerät

Country Status (1)

Country Link
DE (1) DE2918150C2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3400834C1 (de) * 1984-01-12 1985-02-28 Kernforschungsanlage Jülich GmbH, 5170 Jülich Messgeraet zur Bestimmung des Profils von Gesteinsbohrloechern

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE209526C (de) * 1907-04-16
US2651199A (en) * 1946-08-02 1953-09-08 Eastman Oil Well Survey Co Protective guide device for well instruments
US2819537A (en) * 1954-04-30 1958-01-14 Oscar O Collins Drift indicator
US3762473A (en) * 1972-07-25 1973-10-02 Dresser Ind Well instrument positioning device

Also Published As

Publication number Publication date
DE2918150C2 (de) 1982-07-22

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8339 Ceased/non-payment of the annual fee