CA953284A - Deflection drilling device - Google Patents

Deflection drilling device

Info

Publication number
CA953284A
CA953284A CA084,701A CA84701A CA953284A CA 953284 A CA953284 A CA 953284A CA 84701 A CA84701 A CA 84701A CA 953284 A CA953284 A CA 953284A
Authority
CA
Canada
Prior art keywords
drilling device
deflection drilling
deflection
drilling
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
Application number
CA084,701A
Inventor
Rodger G. Cockwill
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.)
EXCLUSIVE OILFIELD SERVICES Ltd
Original Assignee
EXCLUSIVE OILFIELD SERVICES Ltd
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 EXCLUSIVE OILFIELD SERVICES Ltd filed Critical EXCLUSIVE OILFIELD SERVICES Ltd
Priority to CA084,701A priority Critical patent/CA953284A/en
Application granted granted Critical
Publication of CA953284A publication Critical patent/CA953284A/en
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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/067—Deflecting the direction of boreholes with means for locking sections of a pipe or of a guide for a shaft in angular relation, e.g. adjustable bent sub
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation 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)
CA084,701A 1970-06-04 1970-06-04 Deflection drilling device Expired CA953284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA084,701A CA953284A (en) 1970-06-04 1970-06-04 Deflection drilling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA084,701A CA953284A (en) 1970-06-04 1970-06-04 Deflection drilling device

Publications (1)

Publication Number Publication Date
CA953284A true CA953284A (en) 1974-08-20

Family

ID=4086939

Family Applications (1)

Application Number Title Priority Date Filing Date
CA084,701A Expired CA953284A (en) 1970-06-04 1970-06-04 Deflection drilling device

Country Status (1)

Country Link
CA (1) CA953284A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394567A1 (en) * 1989-04-28 1990-10-31 Marc Jozef Maria Smet Steerable drilling mole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394567A1 (en) * 1989-04-28 1990-10-31 Marc Jozef Maria Smet Steerable drilling mole

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