IE39746B1 - A method of working under water and apparatus therefor - Google Patents

A method of working under water and apparatus therefor

Info

Publication number
IE39746B1
IE39746B1 IE210/74A IE21074A IE39746B1 IE 39746 B1 IE39746 B1 IE 39746B1 IE 210/74 A IE210/74 A IE 210/74A IE 21074 A IE21074 A IE 21074A IE 39746 B1 IE39746 B1 IE 39746B1
Authority
IE
Ireland
Prior art keywords
under water
apparatus therefor
working under
working
therefor
Prior art date
Application number
IE210/74A
Other versions
IE39746L (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 IE39746L (en) 1974-08-05
IE39746B1 true 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) FR2352152A1 (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 Exhaust pipe chimney roof waterproof sealing device

Also Published As

Publication number Publication date
FR2352152B1 (en) 1980-01-18
IE39746L (en) 1974-08-05
FR2352226A1 (en) 1977-12-16
FR2352152A1 (en) 1977-12-16
FR2352226B1 (en) 1980-01-18

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