DE3572709D1 - Top drive well drilling apparatus with improved wrench assembly - Google Patents

Top drive well drilling apparatus with improved wrench assembly

Info

Publication number
DE3572709D1
DE3572709D1 DE8585630050T DE3572709T DE3572709D1 DE 3572709 D1 DE3572709 D1 DE 3572709D1 DE 8585630050 T DE8585630050 T DE 8585630050T DE 3572709 T DE3572709 T DE 3572709T DE 3572709 D1 DE3572709 D1 DE 3572709D1
Authority
DE
Germany
Prior art keywords
top drive
well drilling
drilling apparatus
wrench assembly
drive well
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
DE8585630050T
Other languages
German (de)
Inventor
Horace Ashell Johnson
Roger Smith
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.)
Varco International Inc
Original Assignee
Varco International 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24405689&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3572709(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Varco International Inc filed Critical Varco International Inc
Application granted granted Critical
Publication of DE3572709D1 publication Critical patent/DE3572709D1/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
    • 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)
  • 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)
  • Paper (AREA)
  • Drilling And Boring (AREA)
DE8585630050T 1984-04-16 1985-04-04 Top drive well drilling apparatus with improved wrench assembly Expired DE3572709D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60093984A 1984-04-16 1984-04-16

Publications (1)

Publication Number Publication Date
DE3572709D1 true DE3572709D1 (en) 1989-10-05

Family

ID=24405689

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585630050T Expired DE3572709D1 (en) 1984-04-16 1985-04-04 Top drive well drilling apparatus with improved wrench assembly

Country Status (4)

Country Link
EP (1) EP0162001B1 (en)
CA (1) CA1227189A (en)
DE (1) DE3572709D1 (en)
NO (1) NO165123C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO326329B1 (en) 2006-06-19 2008-11-10 Nat Oilwell Norway As Lifting device
US11136837B2 (en) 2017-01-18 2021-10-05 Minex Crc Ltd Mobile coiled tubing drilling apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505913A (en) * 1967-12-04 1970-04-14 Byron Jackson Inc Power tong crane
US3527309A (en) * 1968-10-08 1970-09-08 Central Mine Equipment Co Vehicle-mounted earth drill with detachable tower
US3808916A (en) * 1970-09-24 1974-05-07 Robbins & Ass J Earth drilling machine
US4345493A (en) * 1980-10-22 1982-08-24 Central Mine Equipment Company Drill rod holding and break-out device
US4449596A (en) * 1982-08-03 1984-05-22 Varco International, Inc. Drilling of wells with top drive unit

Also Published As

Publication number Publication date
CA1227189A (en) 1987-09-22
NO165123C (en) 1993-05-13
NO165123B (en) 1990-09-17
EP0162001B1 (en) 1989-08-30
EP0162001A1 (en) 1985-11-21
NO851486L (en) 1985-10-17

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings