GB2083102B - Full hole drill collar and method of producing same - Google Patents

Full hole drill collar and method of producing same

Info

Publication number
GB2083102B
GB2083102B GB8108980A GB8108980A GB2083102B GB 2083102 B GB2083102 B GB 2083102B GB 8108980 A GB8108980 A GB 8108980A GB 8108980 A GB8108980 A GB 8108980A GB 2083102 B GB2083102 B GB 2083102B
Authority
GB
United Kingdom
Prior art keywords
drill collar
producing same
hole drill
full hole
full
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
GB8108980A
Other versions
GB2083102A (en
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.)
PRAGMATIC CONSULTING SERVICES
Original Assignee
PRAGMATIC CONSULTING SERVICES
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 CA000359747A external-priority patent/CA1155436A/en
Application filed by PRAGMATIC CONSULTING SERVICES filed Critical PRAGMATIC CONSULTING SERVICES
Publication of GB2083102A publication Critical patent/GB2083102A/en
Application granted granted Critical
Publication of GB2083102B publication Critical patent/GB2083102B/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
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • E21B17/16—Drill collars

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)
  • Earth Drilling (AREA)
GB8108980A 1980-09-04 1981-03-23 Full hole drill collar and method of producing same Expired GB2083102B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000359747A CA1155436A (en) 1980-03-07 1980-09-04 Full hole drill collar

Publications (2)

Publication Number Publication Date
GB2083102A GB2083102A (en) 1982-03-17
GB2083102B true GB2083102B (en) 1985-02-27

Family

ID=4117821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8108980A Expired GB2083102B (en) 1980-09-04 1981-03-23 Full hole drill collar and method of producing same

Country Status (1)

Country Link
GB (1) GB2083102B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4919208A (en) * 1987-09-11 1990-04-24 Schneider Chris K Method and apparatus for manipulating tubing in a well
US4874045A (en) * 1988-12-27 1989-10-17 Clayton Charles H Straight hole drilling method and assembly
DE4040155C2 (en) * 1990-07-11 1993-11-25 Dietmar Brussmann Rotary rinsing drilling method for deep drilling
US5904213A (en) * 1995-10-10 1999-05-18 Camco International (Uk) Limited Rotary drill bits
US6739415B2 (en) 1999-01-06 2004-05-25 Western Well Tool, Inc. Drill pipe protector
US6250405B1 (en) 1999-01-06 2001-06-26 Western Well Tool, Inc. Drill pipe protector assembly
CN102134970A (en) * 2011-03-08 2011-07-27 中国矿业大学(北京) Device for accurately positioning deep hole in process of testing ground stress

Also Published As

Publication number Publication date
GB2083102A (en) 1982-03-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee