EP0851960A4 - Telescoping derrick - Google Patents

Telescoping derrick

Info

Publication number
EP0851960A4
EP0851960A4 EP95933577A EP95933577A EP0851960A4 EP 0851960 A4 EP0851960 A4 EP 0851960A4 EP 95933577 A EP95933577 A EP 95933577A EP 95933577 A EP95933577 A EP 95933577A EP 0851960 A4 EP0851960 A4 EP 0851960A4
Authority
EP
European Patent Office
Prior art keywords
telescoping derrick
derrick
telescoping
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
EP95933577A
Other languages
German (de)
French (fr)
Other versions
EP0851960B1 (en
EP0851960A1 (en
Inventor
Vinod Desai
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.)
Dreco Inc
Original Assignee
Dreco 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
Application filed by Dreco Inc filed Critical Dreco Inc
Publication of EP0851960A1 publication Critical patent/EP0851960A1/en
Publication of EP0851960A4 publication Critical patent/EP0851960A4/en
Application granted granted Critical
Publication of EP0851960B1 publication Critical patent/EP0851960B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts

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)
EP95933577A 1995-09-18 1995-09-18 Telescoping derrick Expired - Lifetime EP0851960B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB1995/000901 WO1997011243A1 (en) 1993-11-12 1995-09-18 Telescoping derrick

Publications (3)

Publication Number Publication Date
EP0851960A1 EP0851960A1 (en) 1998-07-08
EP0851960A4 true EP0851960A4 (en) 2002-11-06
EP0851960B1 EP0851960B1 (en) 2005-11-09

Family

ID=11004378

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95933577A Expired - Lifetime EP0851960B1 (en) 1995-09-18 1995-09-18 Telescoping derrick

Country Status (4)

Country Link
EP (1) EP0851960B1 (en)
CA (1) CA2232303C (en)
DE (1) DE69534605T2 (en)
WO (1) WO1997011243A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6675899B2 (en) * 2000-12-15 2004-01-13 Halliburton Energy Services, Inc. Self-erecting rig
US8256520B2 (en) * 2009-01-14 2012-09-04 National Oilwell Varco L.P. Drill ship
JP6910110B2 (en) * 2016-05-13 2021-07-28 日本リーテック株式会社 How to assemble a tower using a tower assembly jig and a mast for raising the tower assembly jig

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3428998C1 (en) * 1984-08-07 1985-08-29 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Telescopic mast with a device for mutually locking the mast parts

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1299261A (en) * 1916-09-06 1919-04-01 Spencer E Huff Construction of towers.
US1644499A (en) * 1925-11-05 1927-10-04 William A Trout Oil-well derrick and method of shortening same
US4590720A (en) * 1984-02-06 1986-05-27 Parco Mast And Substructure, Inc. Telescoping derrick
US5216867A (en) * 1991-11-04 1993-06-08 Sundowner Offshore Services, Inc. Well mast structure
US5423158A (en) * 1993-04-02 1995-06-13 Continental Emsco Company Vertically erected mast
US5450695A (en) * 1993-11-12 1995-09-19 Dreco, Inc. Telescoping derrick

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3428998C1 (en) * 1984-08-07 1985-08-29 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter Telescopic mast with a device for mutually locking the mast parts

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9711243A1 *

Also Published As

Publication number Publication date
EP0851960B1 (en) 2005-11-09
EP0851960A1 (en) 1998-07-08
CA2232303A1 (en) 1997-03-27
DE69534605D1 (en) 2005-12-15
CA2232303C (en) 2005-11-29
DE69534605T2 (en) 2006-07-27
WO1997011243A1 (en) 1997-03-27

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