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CA973163A - Earth-drilling equipment - Google Patents

Earth-drilling equipment

Info

Publication number
CA973163A
CA973163A CA193,308A CA193308A CA973163A CA 973163 A CA973163 A CA 973163A CA 193308 A CA193308 A CA 193308A CA 973163 A CA973163 A CA 973163A
Authority
CA
Canada
Prior art keywords
earth
drilling equipment
drilling
equipment
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
CA193,308A
Inventor
George C. Crooks
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA193,308A priority Critical patent/CA973163A/en
Application granted granted Critical
Publication of CA973163A publication Critical patent/CA973163A/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
    • 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
    • E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
    • E21B17/1064—Pipes or rods with a relatively rotating sleeve

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)
CA193,308A 1974-02-22 1974-02-22 Earth-drilling equipment Expired CA973163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA193,308A CA973163A (en) 1974-02-22 1974-02-22 Earth-drilling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA193,308A CA973163A (en) 1974-02-22 1974-02-22 Earth-drilling equipment

Publications (1)

Publication Number Publication Date
CA973163A true CA973163A (en) 1975-08-19

Family

ID=4099271

Family Applications (1)

Application Number Title Priority Date Filing Date
CA193,308A Expired CA973163A (en) 1974-02-22 1974-02-22 Earth-drilling equipment

Country Status (1)

Country Link
CA (1) CA973163A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593226A1 (en) * 1986-01-23 1987-07-24 Total Petroles System for mounting a stabiliser in a drill string, particularly for steered drilling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593226A1 (en) * 1986-01-23 1987-07-24 Total Petroles System for mounting a stabiliser in a drill string, particularly for steered drilling

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