GB2295174B - Sleeve, preferably with double sealing, for penetration of conductor casings or risers - Google Patents

Sleeve, preferably with double sealing, for penetration of conductor casings or risers

Info

Publication number
GB2295174B
GB2295174B GB9523794A GB9523794A GB2295174B GB 2295174 B GB2295174 B GB 2295174B GB 9523794 A GB9523794 A GB 9523794A GB 9523794 A GB9523794 A GB 9523794A GB 2295174 B GB2295174 B GB 2295174B
Authority
GB
United Kingdom
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.)
Expired - Fee Related
Application number
GB9523794A
Other versions
GB2295174A (en
GB9523794D0 (en
Inventor
Per N H Jensen
Bjorn Deildok
Leiv Petter Hesstvedt
Tor Aage Goranson
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 GB9523794D0 publication Critical patent/GB9523794D0/en
Publication of GB2295174A publication Critical patent/GB2295174A/en
Application granted granted Critical
Publication of GB2295174B publication Critical patent/GB2295174B/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
    • 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)
GB9523794A 1994-11-21 1995-11-21 Sleeve, preferably with double sealing, for penetration of conductor casings or risers Expired - Fee Related GB2295174B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB9523794D0 GB9523794D0 (en) 1996-01-24
GB2295174A GB2295174A (en) 1996-05-22
GB2295174B true GB2295174B (en) 1998-07-22

Family

ID=19897665

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9523794A Expired - Fee Related GB2295174B (en) 1994-11-21 1995-11-21 Sleeve, preferably 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)

Citations (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

Patent Citations (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
GB2295174A (en) 1996-05-22
AU3797995A (en) 1996-05-30
AU698285B2 (en) 1998-10-29
NO944460L (en) 1996-05-22
GB9523794D0 (en) 1996-01-24
NO944460D0 (en) 1994-11-21

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Legal Events

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

Effective date: 20001121