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GB2389611B - Device of a Derrick - Google Patents

Device of a Derrick

Info

Publication number
GB2389611B
GB2389611B GB0319024A GB0319024A GB2389611B GB 2389611 B GB2389611 B GB 2389611B GB 0319024 A GB0319024 A GB 0319024A GB 0319024 A GB0319024 A GB 0319024A GB 2389611 B GB2389611 B GB 2389611B
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.)
Expired - Fee Related
Application number
GB0319024A
Other versions
GB2389611A (en
GB0319024D0 (en
Inventor
Gunnar Kristiansen
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 GB0319024D0 (en) 2003-09-17
GB2389611A GB2389611A (en) 2003-12-17
GB2389611B true 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)

Citations (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
GB2106955A (en) * 1981-07-20 1983-04-20 Varco Int Fluid actuated jack mechanism
NO301847B1 (en) * 1996-06-26 1997-12-15 Procon Drilling Services As Snubbinganordning
WO1999035367A1 (en) * 1997-12-22 1999-07-15 Dolphin As Arrangements in snubbing rigs

Patent Citations (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
GB2106955A (en) * 1981-07-20 1983-04-20 Varco Int Fluid actuated jack mechanism
NO301847B1 (en) * 1996-06-26 1997-12-15 Procon Drilling Services As Snubbinganordning
WO1999035367A1 (en) * 1997-12-22 1999-07-15 Dolphin As Arrangements in snubbing rigs

Also Published As

Publication number Publication date
GB2389611A (en) 2003-12-17
GB0319024D0 (en) 2003-09-17

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Legal Events

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

Effective date: 20140216