IE39746L - Working under-water - Google Patents

Working under-water

Info

Publication number
IE39746L
IE39746L IE740210A IE21074A IE39746L IE 39746 L IE39746 L IE 39746L IE 740210 A IE740210 A IE 740210A IE 21074 A IE21074 A IE 21074A IE 39746 L IE39746 L IE 39746L
Authority
IE
Ireland
Prior art keywords
water
working under
working
under
Prior art date
Application number
IE740210A
Other versions
IE39746B1 (en
Original Assignee
Vickers Intertek Ltd
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
Priority claimed from GB3666773A external-priority patent/GB1404529A/en
Priority to IE472/77A priority Critical patent/IE39747B1/en
Application filed by Vickers Intertek Ltd filed Critical Vickers Intertek Ltd
Priority to IE473/77A priority patent/IE39748B1/en
Publication of IE39746L publication Critical patent/IE39746L/en
Publication of IE39746B1 publication Critical patent/IE39746B1/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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
    • E21B33/037—Protective housings therefor
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/02—Valve arrangements for boreholes or wells in well heads
    • E21B34/04—Valve arrangements for boreholes or wells in well heads in underwater well heads
    • 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/06—Work chambers for underwater operations, e.g. temporarily connected to well heads

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)
  • Toys (AREA)
IE210/74A 1973-08-01 1974-02-05 A method of working under water and apparatus therefor IE39746B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IE472/77A IE39747B1 (en) 1974-01-05 1974-01-05 Improvements in sub-sey well heads
IE473/77A IE39748B1 (en) 1974-02-05 1974-02-05 Improvements in sealing arrangements for use under water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3666773A GB1404529A (en) 1972-08-03 1973-08-01 Circuit for the regeneration of the timing of a pcm signal

Publications (2)

Publication Number Publication Date
IE39746L true IE39746L (en) 1974-08-05
IE39746B1 IE39746B1 (en) 1978-12-20

Family

ID=10390186

Family Applications (1)

Application Number Title Priority Date Filing Date
IE210/74A IE39746B1 (en) 1973-08-01 1974-02-05 A method of working under water and apparatus therefor

Country Status (2)

Country Link
FR (2) FR2352226A1 (en)
IE (1) IE39746B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111746768B (en) * 2020-06-28 2022-03-18 中国舰船研究设计中心 A waterproof sealing device for exhaust pipe chimney roof

Also Published As

Publication number Publication date
FR2352152B1 (en) 1980-01-18
FR2352152A1 (en) 1977-12-16
IE39746B1 (en) 1978-12-20
FR2352226A1 (en) 1977-12-16
FR2352226B1 (en) 1980-01-18

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