NO157709C - DRIVING UNIT VERTICALLY MOVABLE IN A DRILL. - Google Patents

DRIVING UNIT VERTICALLY MOVABLE IN A DRILL.

Info

Publication number
NO157709C
NO157709C NO85854358A NO854358A NO157709C NO 157709 C NO157709 C NO 157709C NO 85854358 A NO85854358 A NO 85854358A NO 854358 A NO854358 A NO 854358A NO 157709 C NO157709 C NO 157709C
Authority
NO
Norway
Prior art keywords
drill
driving unit
vertically movable
unit vertically
movable
Prior art date
Application number
NO85854358A
Other languages
Norwegian (no)
Other versions
NO157709B (en
NO854358L (en
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 NO854358L publication Critical patent/NO854358L/en
Application filed by Varco Int filed Critical Varco Int
Publication of NO157709B publication Critical patent/NO157709B/en
Publication of NO157709C publication Critical patent/NO157709C/en

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)
NO85854358A 1982-08-03 1985-11-01 DRIVING UNIT VERTICALLY MOVABLE IN A DRILL. NO157709C (en)

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 (en) 1982-08-03 1983-08-01 DRILLING DEVICE WITH A DRIVING DEVICE LOCATED UPPER IN A DRILLING STREET.

Publications (3)

Publication Number Publication Date
NO854358L NO854358L (en) 1984-02-06
NO157709B NO157709B (en) 1988-01-25
NO157709C true NO157709C (en) 1988-05-04

Family

ID=40174223

Family Applications (3)

Application Number Title Priority Date Filing Date
NO85854202A NO157710C (en) 1982-08-03 1985-10-22 DRIVING UNIT VERTICALLY MOVABLE IN A DRILL.
NO85854343A NO158637C (en) 1982-08-03 1985-10-31 DRIVE UNIT.
NO85854358A NO157709C (en) 1982-08-03 1985-11-01 DRIVING UNIT VERTICALLY MOVABLE IN A DRILL.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
NO85854202A NO157710C (en) 1982-08-03 1985-10-22 DRIVING UNIT VERTICALLY MOVABLE IN A DRILL.
NO85854343A NO158637C (en) 1982-08-03 1985-10-31 DRIVE UNIT.

Country Status (1)

Country Link
NO (3) NO157710C (en)

Also Published As

Publication number Publication date
NO158637B (en) 1988-07-04
NO854202L (en) 1984-02-06
NO157709B (en) 1988-01-25
NO854343L (en) 1984-02-06
NO157710C (en) 1988-05-04
NO158637C (en) 1988-10-12
NO157710B (en) 1988-01-25
NO854358L (en) 1984-02-06

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Legal Events

Date Code Title Description
MK1K Patent expired

Free format text: EXPIRED IN AUGUST 2003