IT1214510B - Apparecchiatura e metodo pertrivellare/allargare pozzi petroliferi o di gas in alto mare o a terra. - Google Patents

Apparecchiatura e metodo pertrivellare/allargare pozzi petroliferi o di gas in alto mare o a terra.

Info

Publication number
IT1214510B
IT1214510B IT8621279A IT2127986A IT1214510B IT 1214510 B IT1214510 B IT 1214510B IT 8621279 A IT8621279 A IT 8621279A IT 2127986 A IT2127986 A IT 2127986A IT 1214510 B IT1214510 B IT 1214510B
Authority
IT
Italy
Prior art keywords
enlarging
petroleum
drilling
ground
equipment
Prior art date
Application number
IT8621279A
Other languages
English (en)
Other versions
IT8621279A0 (it
Inventor
Igor Kranov
Original Assignee
Vetco Offshore Ind Inc
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 Offshore Ind Inc filed Critical Vetco Offshore Ind Inc
Publication of IT8621279A0 publication Critical patent/IT8621279A0/it
Application granted granted Critical
Publication of IT1214510B publication Critical patent/IT1214510B/it

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
    • E21B3/022—Top drives

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)
  • Earth Drilling (AREA)
  • Machine Tool Units (AREA)
  • Drilling And Boring (AREA)
IT8621279A 1985-08-05 1986-07-28 Apparecchiatura e metodo pertrivellare/allargare pozzi petroliferi o di gas in alto mare o a terra. IT1214510B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76250785A 1985-08-05 1985-08-05

Publications (2)

Publication Number Publication Date
IT8621279A0 IT8621279A0 (it) 1986-07-28
IT1214510B true IT1214510B (it) 1990-01-18

Family

ID=25065259

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8621279A IT1214510B (it) 1985-08-05 1986-07-28 Apparecchiatura e metodo pertrivellare/allargare pozzi petroliferi o di gas in alto mare o a terra.

Country Status (8)

Country Link
JP (1) JPS6233992A (it)
CN (1) CN86105254A (it)
BR (1) BR8603682A (it)
FR (1) FR2589942A1 (it)
GB (1) GB2178780A (it)
IT (1) IT1214510B (it)
NL (1) NL8601992A (it)
NO (1) NO863021L (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186610B (en) * 1986-01-21 1989-11-01 Vetco Gray Inc Improvements in, or alternate forms of, side drive drilling
US4877093A (en) * 1988-03-03 1989-10-31 National-Oilwell Spring actuated power swivel support rollers
CA1335732C (en) * 1989-02-08 1995-05-30 Allan S. Richardson Drilling rig
CN101798906B (zh) * 2010-03-31 2012-05-30 北京市三一重机有限公司 支撑装置
CN113738292B (zh) * 2021-09-07 2023-05-26 兰州兰石石油装备工程股份有限公司 自升式平台连续起下钻钻机

Family Cites Families (5)

* 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
US4437524A (en) * 1980-07-14 1984-03-20 Varco International, Inc. Well drilling apparatus
CA1157007A (en) * 1980-07-14 1983-11-15 George I. Boyadjieff Well drilling apparatus
US4421179A (en) * 1981-01-23 1983-12-20 Varco International, Inc. Top drive well drilling apparatus
NO154578C (no) * 1984-01-25 1986-10-29 Maritime Hydraulics As Broennboreinnretning.

Also Published As

Publication number Publication date
NO863021D0 (no) 1986-07-28
JPS6233992A (ja) 1987-02-13
GB8616840D0 (en) 1986-08-20
BR8603682A (pt) 1987-03-10
FR2589942A1 (fr) 1987-05-15
NL8601992A (nl) 1987-03-02
CN86105254A (zh) 1987-02-04
GB2178780A (en) 1987-02-18
NO863021L (no) 1987-02-06
IT8621279A0 (it) 1986-07-28

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