AU3797995A - Sleeve with double sealing for penetration of conductor casings or risers - Google Patents

Sleeve with double sealing for penetration of conductor casings or risers

Info

Publication number
AU3797995A
AU3797995A AU37979/95A AU3797995A AU3797995A AU 3797995 A AU3797995 A AU 3797995A AU 37979/95 A AU37979/95 A AU 37979/95A AU 3797995 A AU3797995 A AU 3797995A AU 3797995 A AU3797995 A AU 3797995A
Authority
AU
Australia
Prior art keywords
risers
penetration
sleeve
double sealing
conductor casings
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
AU37979/95A
Other versions
AU698285B2 (en
Inventor
Bjorn Deildok
Tor Aage Goranson
Leiv Petter Hesstvedt
Per N H Jensen
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.)
Kvaerner Concrete Construction AS
Original Assignee
Kvaerner Concrete Construction AS
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 Kvaerner Concrete Construction AS filed Critical Kvaerner Concrete Construction AS
Publication of AU3797995A publication Critical patent/AU3797995A/en
Application granted granted Critical
Publication of AU698285B2 publication Critical patent/AU698285B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/01—Risers
    • 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
    • E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
    • E21B43/017—Production satellite stations, i.e. underwater installations comprising a plurality of satellite well heads connected to a central station
    • 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
    • E21B7/12—Underwater drilling
    • E21B7/136—Underwater drilling from non-buoyant support

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
AU37979/95A 1994-11-21 1995-11-21 Sleeve with double sealing for penetration of conductor casings or risers Ceased AU698285B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO944460 1994-11-21
NO944460A NO944460L (en) 1994-11-21 1994-11-21 Double seal sleeve for insertion of guide tube or riser

Publications (2)

Publication Number Publication Date
AU3797995A true AU3797995A (en) 1996-05-30
AU698285B2 AU698285B2 (en) 1998-10-29

Family

ID=19897665

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37979/95A Ceased AU698285B2 (en) 1994-11-21 1995-11-21 Sleeve with double sealing for penetration of conductor casings or risers

Country Status (3)

Country Link
AU (1) AU698285B2 (en)
GB (1) GB2295174B (en)
NO (1) NO944460L (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480944A (en) * 1981-04-30 1984-11-06 Raymond International Builders, Inc. Offshore drilling of large diameter holes in rock formations

Also Published As

Publication number Publication date
AU698285B2 (en) 1998-10-29
GB2295174A (en) 1996-05-22
NO944460D0 (en) 1994-11-21
GB2295174B (en) 1998-07-22
GB9523794D0 (en) 1996-01-24
NO944460L (en) 1996-05-22

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired