JPS526241B2 - - Google Patents
Info
- Publication number
- JPS526241B2 JPS526241B2 JP47102001A JP10200172A JPS526241B2 JP S526241 B2 JPS526241 B2 JP S526241B2 JP 47102001 A JP47102001 A JP 47102001A JP 10200172 A JP10200172 A JP 10200172A JP S526241 B2 JPS526241 B2 JP S526241B2
- Authority
- JP
- Japan
- 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
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
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00189383A US3799092A (en) | 1971-10-14 | 1971-10-14 | Emergency buoyancy system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4846501A JPS4846501A (ja) | 1973-07-03 |
| JPS526241B2 true JPS526241B2 (ja) | 1977-02-21 |
Family
ID=22697103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47102001A Expired JPS526241B2 (ja) | 1971-10-14 | 1972-10-13 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3799092A (ja) |
| JP (1) | JPS526241B2 (ja) |
| CA (1) | CA951185A (ja) |
| FR (1) | FR2162851A5 (ja) |
| GB (1) | GB1354197A (ja) |
| NL (1) | NL7213212A (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992889A (en) * | 1975-06-09 | 1976-11-23 | Regan Offshore International, Inc. | Flotation means for subsea well riser |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3210785A (en) * | 1964-06-05 | 1965-10-12 | Wade W Ward | Fishing rod retriever |
| US3566426A (en) * | 1968-04-30 | 1971-03-02 | Proteus Inc | Flotation system |
-
1971
- 1971-10-14 US US00189383A patent/US3799092A/en not_active Expired - Lifetime
-
1972
- 1972-08-25 GB GB3978872A patent/GB1354197A/en not_active Expired
- 1972-09-11 CA CA151,337,A patent/CA951185A/en not_active Expired
- 1972-09-29 NL NL7213212A patent/NL7213212A/xx not_active Application Discontinuation
- 1972-10-11 FR FR7235967A patent/FR2162851A5/fr not_active Expired
- 1972-10-13 JP JP47102001A patent/JPS526241B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3799092A (en) | 1974-03-26 |
| NL7213212A (ja) | 1973-04-17 |
| FR2162851A5 (ja) | 1973-07-20 |
| JPS4846501A (ja) | 1973-07-03 |
| CA951185A (en) | 1974-07-16 |
| GB1354197A (en) | 1974-06-05 |