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GB2186610B - Improvements in, or alternate forms of, side drive drilling - Google Patents

Improvements in, or alternate forms of, side drive drilling

Info

Publication number
GB2186610B
GB2186610B GB8700081A GB8700081A GB2186610B GB 2186610 B GB2186610 B GB 2186610B GB 8700081 A GB8700081 A GB 8700081A GB 8700081 A GB8700081 A GB 8700081A GB 2186610 B GB2186610 B GB 2186610B
Authority
GB
United Kingdom
Prior art keywords
side drive
alternate forms
drive drilling
drilling
alternate
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
GB8700081A
Other languages
English (en)
Other versions
GB8700081D0 (en
GB2186610A (en
Inventor
Stephen B Wetch
Gregory A Goris
Igor Krasnov
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.)
Vetco Gray LLC
Original Assignee
Vetco Gray LLC
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 Vetco Gray LLC filed Critical Vetco Gray LLC
Publication of GB8700081D0 publication Critical patent/GB8700081D0/en
Publication of GB2186610A publication Critical patent/GB2186610A/en
Application granted granted Critical
Publication of GB2186610B publication Critical patent/GB2186610B/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
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling

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)
GB8700081A 1986-01-21 1987-01-05 Improvements in, or alternate forms of, side drive drilling Expired GB2186610B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82077686A 1986-01-21 1986-01-21

Publications (3)

Publication Number Publication Date
GB8700081D0 GB8700081D0 (en) 1987-02-11
GB2186610A GB2186610A (en) 1987-08-19
GB2186610B true GB2186610B (en) 1989-11-01

Family

ID=25231695

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8700081A Expired GB2186610B (en) 1986-01-21 1987-01-05 Improvements in, or alternate forms of, side drive drilling

Country Status (3)

Country Link
FR (1) FR2593225B1 (no)
GB (1) GB2186610B (no)
NO (1) NO870227L (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4865135A (en) * 1988-05-20 1989-09-12 Hughes Tool Company Top drive torque reactor
CA1335732C (en) * 1989-02-08 1995-05-30 Allan S. Richardson Drilling rig

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178780A (en) * 1985-08-05 1987-02-18 Vetco Offshore Ind Inc Side drive drilling

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB494034A (en) * 1936-07-09 1938-10-19 Sullivan Machinery Co Improvements in and relating to chuck mechanism for drill rods
US3754605A (en) * 1970-09-24 1973-08-28 Robbin Co Earth drilling machine
SE364755B (no) * 1972-07-07 1974-03-04 Atlas Copco Ab

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178780A (en) * 1985-08-05 1987-02-18 Vetco Offshore Ind Inc Side drive drilling

Also Published As

Publication number Publication date
GB8700081D0 (en) 1987-02-11
FR2593225B1 (fr) 1990-03-09
GB2186610A (en) 1987-08-19
NO870227L (no) 1987-07-22
FR2593225A1 (fr) 1987-07-24
NO870227D0 (no) 1987-01-20

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Legal Events

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

Effective date: 19980105