NO157710C - Drivaggregat som er vertikalt bevegelig i et boretaarn. - Google Patents

Drivaggregat som er vertikalt bevegelig i et boretaarn.

Info

Publication number
NO157710C
NO157710C NO85854202A NO854202A NO157710C NO 157710 C NO157710 C NO 157710C NO 85854202 A NO85854202 A NO 85854202A NO 854202 A NO854202 A NO 854202A NO 157710 C NO157710 C NO 157710C
Authority
NO
Norway
Prior art keywords
drill
driving unit
vertically movable
unit vertically
movable
Prior art date
Application number
NO85854202A
Other languages
English (en)
Other versions
NO157710B (no
NO854202L (no
Inventor
George I Boyadjieff
Original Assignee
Varco Int
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 US06/404,896 external-priority patent/US4449596A/en
Publication of NO854202L publication Critical patent/NO854202L/no
Application filed by Varco Int filed Critical Varco Int
Publication of NO157710B publication Critical patent/NO157710B/no
Publication of NO157710C publication Critical patent/NO157710C/no

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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02—Rod or cable suspensions

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Drilling And Boring (AREA)
  • Earth Drilling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Vehicle Body Suspensions (AREA)
  • Control Of Direct Current Motors (AREA)
NO85854202A 1982-08-03 1985-10-22 Drivaggregat som er vertikalt bevegelig i et boretaarn. NO157710C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/404,896 US4449596A (en) 1982-08-03 1982-08-03 Drilling of wells with top drive unit
NO832774A NO157630C (no) 1982-08-03 1983-08-01 Boreanordning med et drivaggregat som er anordnet oventil i et boret-aarn.

Publications (3)

Publication Number Publication Date
NO854202L NO854202L (no) 1984-02-06
NO157710B NO157710B (no) 1988-01-25
NO157710C true NO157710C (no) 1988-05-04

Family

ID=40174223

Family Applications (3)

Application Number Title Priority Date Filing Date
NO85854202A NO157710C (no) 1982-08-03 1985-10-22 Drivaggregat som er vertikalt bevegelig i et boretaarn.
NO85854343A NO158637C (no) 1982-08-03 1985-10-31 Drivaggregat.
NO85854358A NO157709C (no) 1982-08-03 1985-11-01 Drivaggregat som er vertikalt bevegelig i et boretaarn.

Family Applications After (2)

Application Number Title Priority Date Filing Date
NO85854343A NO158637C (no) 1982-08-03 1985-10-31 Drivaggregat.
NO85854358A NO157709C (no) 1982-08-03 1985-11-01 Drivaggregat som er vertikalt bevegelig i et boretaarn.

Country Status (1)

Country Link
NO (3) NO157710C (no)

Also Published As

Publication number Publication date
NO854343L (no) 1984-02-06
NO158637B (no) 1988-07-04
NO157709B (no) 1988-01-25
NO158637C (no) 1988-10-12
NO854358L (no) 1984-02-06
NO157709C (no) 1988-05-04
NO157710B (no) 1988-01-25
NO854202L (no) 1984-02-06

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Legal Events

Date Code Title Description
MK1K Patent expired

Free format text: EXPIRED IN AUGUST 2003