NO162926C - APPLIANCES FOR SELF-RIGHT OR DIRECTIVE DRILLING IN UNDERGRADUAL FORMS. - Google Patents

APPLIANCES FOR SELF-RIGHT OR DIRECTIVE DRILLING IN UNDERGRADUAL FORMS.

Info

Publication number
NO162926C
NO162926C NO851885A NO851885A NO162926C NO 162926 C NO162926 C NO 162926C NO 851885 A NO851885 A NO 851885A NO 851885 A NO851885 A NO 851885A NO 162926 C NO162926 C NO 162926C
Authority
NO
Norway
Prior art keywords
undergradual
directive
appliances
drilling
self
Prior art date
Application number
NO851885A
Other languages
Norwegian (no)
Other versions
NO851885L (en
NO162926B (en
Inventor
Volker Krueger
Rolf Panzke
Original Assignee
Eastman Christensen Co
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
Priority claimed from DE19843417743 external-priority patent/DE3417743C1/en
Priority claimed from DE19843423465 external-priority patent/DE3423465C1/en
Application filed by Eastman Christensen Co filed Critical Eastman Christensen Co
Publication of NO851885L publication Critical patent/NO851885L/en
Publication of NO162926B publication Critical patent/NO162926B/en
Publication of NO162926C publication Critical patent/NO162926C/en

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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • 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
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor
    • 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
    • E21B7/04—Directional drilling
    • E21B7/10—Correction of deflected boreholes

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (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)
  • Polyesters Or Polycarbonates (AREA)
  • Biological Depolymerization Polymers (AREA)
NO851885A 1984-05-12 1985-05-10 APPLIANCES FOR SELF-RIGHT OR DIRECTIVE DRILLING IN UNDERGRADUAL FORMS. NO162926C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843417743 DE3417743C1 (en) 1984-05-12 1984-05-12 Apparatus for alternative straight or directional drilling in underground rock formations
DE19843423465 DE3423465C1 (en) 1984-06-26 1984-06-26 Devices for alternative straight or directional drilling in underground rock formations

Publications (3)

Publication Number Publication Date
NO851885L NO851885L (en) 1985-11-13
NO162926B NO162926B (en) 1989-11-27
NO162926C true NO162926C (en) 1990-03-07

Family

ID=25821161

Family Applications (1)

Application Number Title Priority Date Filing Date
NO851885A NO162926C (en) 1984-05-12 1985-05-10 APPLIANCES FOR SELF-RIGHT OR DIRECTIVE DRILLING IN UNDERGRADUAL FORMS.

Country Status (3)

Country Link
EP (1) EP0163946B1 (en)
CA (1) CA1235686A (en)
NO (1) NO162926C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5094304A (en) * 1990-09-24 1992-03-10 Drilex Systems, Inc. Double bend positive positioning directional drilling system
US6328119B1 (en) 1998-04-09 2001-12-11 Halliburton Energy Services, Inc. Adjustable gauge downhole drilling assembly
CA2234495C (en) * 1998-04-09 2004-02-17 Dresser Industries, Inc. Adjustable gauge downhole drilling assembly
US9523244B2 (en) 2012-11-21 2016-12-20 Scientific Drilling International, Inc. Drill bit for a drilling apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB636879A (en) * 1946-07-12 1950-05-10 Rolen Arcenjevitch Joannesjan Improvements in or relating to the drilling of deep wells
US3260318A (en) * 1963-11-12 1966-07-12 Smith Ind International Inc Well drilling apparatus
US3380543A (en) * 1966-01-19 1968-04-30 Pan American Petroleum Corp Directional well-drilling apparatus
FR1593999A (en) * 1968-12-04 1970-06-01
JPS5248921B2 (en) * 1973-03-08 1977-12-13
US3938853A (en) * 1974-05-01 1976-02-17 Christensen Diamond Products Company Shrink-fit sleeve apparatus for drill strings
US3993127A (en) * 1974-08-08 1976-11-23 Viktor Gavrilovich Chepelev Apparatus for positioning a working implement in a borehole
US4059164A (en) * 1976-05-19 1977-11-22 Farris Ralph J Self-stabilizing drilling tool
US4108256A (en) * 1977-05-12 1978-08-22 Continental Oil Company Sliding stabilizer assembly
US4185704A (en) * 1978-05-03 1980-01-29 Maurer Engineering Inc. Directional drilling apparatus
BE886147A (en) * 1980-11-13 1981-03-02 American Coldset Corp DRILLING STABILIZER.

Also Published As

Publication number Publication date
EP0163946B1 (en) 1989-04-05
EP0163946A1 (en) 1985-12-11
NO851885L (en) 1985-11-13
NO162926B (en) 1989-11-27
CA1235686A (en) 1988-04-26

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