PT67810A - A buoyancy structure - Google Patents
A buoyancy structureInfo
- 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
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
- E21B17/012—Risers with buoyancy elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/04—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving stability
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/10—Improving 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)
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)
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 |
-
1977
- 1977-03-23 NL NL7703152A patent/NL7703152A/en not_active Application Discontinuation
-
1978
- 1978-03-20 SE SE7803192A patent/SE7803192L/en unknown
- 1978-03-20 NO NO780994A patent/NO780994L/en unknown
- 1978-03-22 BE BE186190A patent/BE865199A/en not_active IP Right Cessation
- 1978-03-22 ES ES468184A patent/ES468184A1/en not_active Expired
- 1978-03-22 PT PT67810A patent/PT67810A/en unknown
- 1978-03-22 DK DK130178A patent/DK130178A/en not_active Application Discontinuation
- 1978-03-23 FR FR7808452A patent/FR2384669A1/en not_active Withdrawn
- 1978-03-23 GB GB11719/78A patent/GB1586993A/en not_active Expired
- 1978-03-23 JP JP3359978A patent/JPS53119418A/en active Pending
- 1978-03-23 DE DE19782812931 patent/DE2812931A1/en not_active Withdrawn
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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