GB0319024D0 - Device of a Derrick - Google Patents

Device of a Derrick

Info

Publication number
GB0319024D0
GB0319024D0 GBGB0319024.6A GB0319024A GB0319024D0 GB 0319024 D0 GB0319024 D0 GB 0319024D0 GB 0319024 A GB0319024 A GB 0319024A GB 0319024 D0 GB0319024 D0 GB 0319024D0
Authority
GB
United Kingdom
Prior art keywords
derrick
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.)
Granted
Application number
GBGB0319024.6A
Other versions
GB2389611A (en
GB2389611B (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from PCT/NO2001/000058 external-priority patent/WO2002072996A1/en
Publication of GB0319024D0 publication Critical patent/GB0319024D0/en
Publication of GB2389611A publication Critical patent/GB2389611A/en
Application granted granted Critical
Publication of GB2389611B publication Critical patent/GB2389611B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder

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)
GB0319024A 2001-02-16 2001-02-16 Device of a Derrick Expired - Fee Related GB2389611B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NO2001/000058 WO2002072996A1 (en) 1999-08-19 2001-02-16 Device of a derrick

Publications (3)

Publication Number Publication Date
GB0319024D0 true GB0319024D0 (en) 2003-09-17
GB2389611A GB2389611A (en) 2003-12-17
GB2389611B GB2389611B (en) 2005-04-13

Family

ID=28450168

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0319024A Expired - Fee Related GB2389611B (en) 2001-02-16 2001-02-16 Device of a Derrick

Country Status (1)

Country Link
GB (1) GB2389611B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4357994A (en) * 1980-05-07 1982-11-09 Hall Ellis C Hydraulic well equipment hoist
US4494376A (en) * 1981-07-20 1985-01-22 Varco International, Inc. Fluid actuated jack mechanism
NO962693A (en) * 1996-06-26 1997-12-15 Mercur Subsea Products Asa Snubbing device
NO306309B1 (en) * 1997-12-22 1999-10-18 Dolphin As Device for snubing rig

Also Published As

Publication number Publication date
GB2389611A (en) 2003-12-17
GB2389611B (en) 2005-04-13

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Legal Events

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

Effective date: 20140216