PT67810A - A buoyancy structure - Google Patents

A buoyancy structure

Info

Publication number
PT67810A
PT67810A PT67810A PT6781078A PT67810A PT 67810 A PT67810 A PT 67810A PT 67810 A PT67810 A PT 67810A PT 6781078 A PT6781078 A PT 6781078A PT 67810 A PT67810 A PT 67810A
Authority
PT
Portugal
Prior art keywords
buoyancy structure
buoyancy
Prior art date
Application number
PT67810A
Other languages
Portuguese (pt)
Inventor
J Wipkink
Original Assignee
Marcon Marine Consultants Bv
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 Marcon Marine Consultants Bv filed Critical Marcon Marine Consultants Bv
Publication of PT67810A publication Critical patent/PT67810A/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/01Risers
    • E21B17/012Risers with buoyancy elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/04Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B43/00Improving safety of vessels, e.g. damage control, not otherwise provided for
    • B63B43/02Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
    • B63B43/10Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ocean & Marine Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Moulding By Coating Moulds (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Pipeline Systems (AREA)
  • Artificial Fish Reefs (AREA)
  • Physical Water Treatments (AREA)
PT67810A 1977-03-23 1978-03-22 A buoyancy structure PT67810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7703152A NL7703152A (en) 1977-03-23 1977-03-23 PERMANENT OR SEMI-PERMANENT UNDERWATER CONSTRUCTION WITH BLAST TANKS.

Publications (1)

Publication Number Publication Date
PT67810A true PT67810A (en) 1978-04-01

Family

ID=19828217

Family Applications (1)

Application Number Title Priority Date Filing Date
PT67810A PT67810A (en) 1977-03-23 1978-03-22 A buoyancy structure

Country Status (11)

Country Link
JP (1) JPS53119418A (en)
BE (1) BE865199A (en)
DE (1) DE2812931A1 (en)
DK (1) DK130178A (en)
ES (1) ES468184A1 (en)
FR (1) FR2384669A1 (en)
GB (1) GB1586993A (en)
NL (1) NL7703152A (en)
NO (1) NO780994L (en)
PT (1) PT67810A (en)
SE (1) SE7803192L (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855656A (en) * 1973-03-30 1974-12-24 Amoco Prod Co Underwater buoy for a riser pipe
US3992889A (en) * 1975-06-09 1976-11-23 Regan Offshore International, Inc. Flotation means for subsea well riser

Also Published As

Publication number Publication date
JPS53119418A (en) 1978-10-18
FR2384669A1 (en) 1978-10-20
BE865199A (en) 1978-09-22
ES468184A1 (en) 1978-11-16
SE7803192L (en) 1978-09-24
DK130178A (en) 1978-09-24
NL7703152A (en) 1978-09-26
GB1586993A (en) 1981-03-25
NO780994L (en) 1978-09-26
DE2812931A1 (en) 1978-10-05

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