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NO20045161L - Telescopic conductor for offshore drilling - Google Patents

Telescopic conductor for offshore drilling

Info

Publication number
NO20045161L
NO20045161L NO20045161A NO20045161A NO20045161L NO 20045161 L NO20045161 L NO 20045161L NO 20045161 A NO20045161 A NO 20045161A NO 20045161 A NO20045161 A NO 20045161A NO 20045161 L NO20045161 L NO 20045161L
Authority
NO
Norway
Prior art keywords
drilling
telescopic
ground
guide device
pipe
Prior art date
Application number
NO20045161A
Other languages
Norwegian (no)
Inventor
Hans Paul Hopper
Andres Stephane
Original Assignee
Saipem Sa
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 Saipem Sa filed Critical Saipem Sa
Publication of NO20045161L publication Critical patent/NO20045161L/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/12—Underwater drilling
    • E21B7/128—Underwater drilling from floating support with independent underwater anchored guide base
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • E21B43/101—Setting of casings, screens, liners or the like in wells for underwater installations
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/043—Directional drilling for underwater installations
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The present invention relates to a guide device for an off-shore drilling installation comprising at least one drilling riser extending from a floating support to a said guide device at the sea bottom, said drilling being performable from said floating support via said drilling riser using a drill string fitted at its end with drilling tools. According to the invention, said telescopic guide device comprises a telescopic guide pipe comprising coaxial telescopic pipe elements about an axis, the smallest-diameter innermost telescopic pipe element being fitted at its end for breaking up the ground suitable for progressively burying said telescopic guide pipe in the ground so as to enable a drilling tool to be guided more deeply into the ground.
NO20045161A 2002-06-19 2004-11-25 Telescopic conductor for offshore drilling NO20045161L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0207537A FR2841293B1 (en) 2002-06-19 2002-06-19 TELESCOPIC GUIDE FOR DRILLING AT SEA
PCT/FR2003/001867 WO2004001180A1 (en) 2002-06-19 2003-06-18 Telescopic guide pipe for offshore drilling

Publications (1)

Publication Number Publication Date
NO20045161L true NO20045161L (en) 2005-03-15

Family

ID=29719854

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20045161A NO20045161L (en) 2002-06-19 2004-11-25 Telescopic conductor for offshore drilling

Country Status (9)

Country Link
US (1) US20050152749A1 (en)
EP (1) EP1525371B1 (en)
AT (1) ATE389777T1 (en)
AU (1) AU2003260605A1 (en)
BR (1) BR0311923A (en)
DE (1) DE60319833D1 (en)
FR (1) FR2841293B1 (en)
NO (1) NO20045161L (en)
WO (1) WO2004001180A1 (en)

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Also Published As

Publication number Publication date
EP1525371B1 (en) 2008-03-19
BR0311923A (en) 2005-03-29
AU2003260605A1 (en) 2004-01-06
FR2841293A1 (en) 2003-12-26
EP1525371A1 (en) 2005-04-27
ATE389777T1 (en) 2008-04-15
DE60319833D1 (en) 2008-04-30
WO2004001180A1 (en) 2003-12-31
FR2841293B1 (en) 2006-03-03
US20050152749A1 (en) 2005-07-14

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application