CA2126027C - Accouplement filete pour train de forage a percussion - Google Patents

Accouplement filete pour train de forage a percussion Download PDF

Info

Publication number
CA2126027C
CA2126027C CA002126027A CA2126027A CA2126027C CA 2126027 C CA2126027 C CA 2126027C CA 002126027 A CA002126027 A CA 002126027A CA 2126027 A CA2126027 A CA 2126027A CA 2126027 C CA2126027 C CA 2126027C
Authority
CA
Canada
Prior art keywords
drill string
free end
formed part
sleeve formed
thread
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 - Fee Related
Application number
CA002126027A
Other languages
English (en)
Other versions
CA2126027A1 (fr
Inventor
Leif Nordfeldt
Karl Erik Kangas
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.)
Uniroc AB
Original Assignee
Uniroc AB
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 Uniroc AB filed Critical Uniroc AB
Publication of CA2126027A1 publication Critical patent/CA2126027A1/fr
Application granted granted Critical
Publication of CA2126027C publication Critical patent/CA2126027C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods

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)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling Tools (AREA)
  • Earth Drilling (AREA)
  • Ropes Or Cables (AREA)
CA002126027A 1993-07-02 1994-06-16 Accouplement filete pour train de forage a percussion Expired - Fee Related CA2126027C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9302280A SE501356C2 (sv) 1993-07-02 1993-07-02 Gängskarv för borrsträngselement för slående borrning
SE9302280-4 1993-07-02

Publications (2)

Publication Number Publication Date
CA2126027A1 CA2126027A1 (fr) 1995-01-03
CA2126027C true CA2126027C (fr) 2005-11-08

Family

ID=20390491

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002126027A Expired - Fee Related CA2126027C (fr) 1993-07-02 1994-06-16 Accouplement filete pour train de forage a percussion

Country Status (3)

Country Link
AU (1) AU671024B2 (fr)
CA (1) CA2126027C (fr)
SE (1) SE501356C2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE506695C2 (sv) * 1994-11-23 1998-02-02 Uniroc Ab Gängskarv för slående borrning

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE469603B (sv) * 1988-07-08 1993-08-02 Sandvik Ab Gaengfoerband

Also Published As

Publication number Publication date
SE501356C2 (sv) 1995-01-23
CA2126027A1 (fr) 1995-01-03
SE9302280D0 (sv) 1993-07-02
AU6609294A (en) 1995-01-12
SE9302280L (sv) 1995-01-03
AU671024B2 (en) 1996-08-08

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Legal Events

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EEER Examination request
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