GB1126861A - Method and apparatus for positioning well casings in underwater wells - Google Patents

Method and apparatus for positioning well casings in underwater wells

Info

Publication number
GB1126861A
GB1126861A GB2903/66A GB290366A GB1126861A GB 1126861 A GB1126861 A GB 1126861A GB 2903/66 A GB2903/66 A GB 2903/66A GB 290366 A GB290366 A GB 290366A GB 1126861 A GB1126861 A GB 1126861A
Authority
GB
United Kingdom
Prior art keywords
casing
string
collar
well
fitting
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
Application number
GB2903/66A
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.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of GB1126861A publication Critical patent/GB1126861A/en
Expired 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
    • E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
    • 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
    • E21B43/02—Subsoil filtering
    • E21B43/10—Setting of casings, screens, liners or the like in wells
    • 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
    • E21B7/12—Underwater drilling

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)

Abstract

1,126,861. Wells &c. PHILLIPS PETROLEUM CO. 21 Jan., 1966 [22 Jan., 1965]. No. 2903/66. Heading E1F. Well casing 9 is guided into an underwater well 5 by releasably attaching the upper end of a drill string 6 extending into the well to the lower end of the casing, lowering the casing with the string attached thereto until the casing extends into the well, detaching the string from the casing, and raising the string whilst leaving the casing in position. Initially a collar 8 carrying a protective section 12 of casing is stripped over the string, a fitting 7 is attached to the string, the collar is fixed to the casing, and the string is releasably attached to the casing by spring pressed keys 31 on the fitting engaging slots 39 in the collar. As the string is raised the keys are retracted by a projection 40 in the collar to release the string from the casing. The stripping of the collar over the string is avoided by the use of a modified fitting and collar (Fig. 4, not shown). The releasable attachment between string and casing may be a frangible one.
GB2903/66A 1965-01-22 1966-01-21 Method and apparatus for positioning well casings in underwater wells Expired GB1126861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US427352A US3338303A (en) 1965-01-22 1965-01-22 Oil well completion

Publications (1)

Publication Number Publication Date
GB1126861A true GB1126861A (en) 1968-09-11

Family

ID=23694501

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2903/66A Expired GB1126861A (en) 1965-01-22 1966-01-21 Method and apparatus for positioning well casings in underwater wells

Country Status (6)

Country Link
US (1) US3338303A (en)
BE (1) BE675459A (en)
DE (1) DE1245885B (en)
DK (1) DK109442C (en)
GB (1) GB1126861A (en)
NL (1) NL6600811A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3426844A (en) * 1966-12-20 1969-02-11 Texaco Inc Method of drilling underwater wells
US3486555A (en) * 1968-06-25 1969-12-30 Pan American Petroleum Corp Small diameter riser pipe system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1079689A (en) * 1912-10-17 1913-11-25 Layne & Bowler Corp Well mechanism.
US1391626A (en) * 1920-04-27 1921-09-20 Richard J Bequette Drill-head for well-driling apparatus
US1671136A (en) * 1924-08-21 1928-05-29 John C Stokes Sample-taking device for drilling apparatus
US3097000A (en) * 1957-10-28 1963-07-09 Ross A Mcclintock Pipe hanger detachable by an axial force
US3236308A (en) * 1960-04-04 1966-02-22 Richfield Oil Corp Drilling apparatus and method
US3163238A (en) * 1962-09-28 1964-12-29 Shell Oil Co Underwater well drilling method and apparatus
US3273915A (en) * 1963-08-19 1966-09-20 Armco Steel Corp Remotely installed well devices and wellhead assemblies including the same

Also Published As

Publication number Publication date
DE1245885B (en) 1967-08-03
US3338303A (en) 1967-08-29
NL6600811A (en) 1966-07-25
BE675459A (en) 1966-07-22
DK109442C (en) 1968-04-29

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