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Class Information
Number: 175/8
Name: Boring or penetrating the earth > Boring a submerged formation > Boring from submerged buoyant support
Description: Subject matter, utilizing a normally floating or buoyant support for a boring means which is submerged to a position below the surface of the water during the boring operation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7325628 |
Anchor for vehicle, vehicle and anchor in combination, and method of using the anchor |
Feb. 5, 2008 |
| 7255180 |
Modular drill system requiring limited field assembly and limited equipment support |
Aug. 14, 2007 |
| 6691784 |
Riser tensioning system |
Feb. 17, 2004 |
| 6622793 |
Method for carrying out operations on petroleum and gas fields and deep-sea platform for realizing the same |
Sep. 23, 2003 |
| 6579040 |
Method and apparatus for air can vent systems |
Jun. 17, 2003 |
| 6488447 |
Composite buoyancy module |
Dec. 3, 2002 |
| 6435775 |
Buoyancy system with buoyancy module seal |
Aug. 20, 2002 |
| 6408948 |
Tubing handling for subsea oilfield tubing operations |
Jun. 25, 2002 |
| 6244347 |
Subsea well drilling and/or completion apparatus |
Jun. 12, 2001 |
| 6171027 |
Cantilevered jack-up platform |
Jan. 9, 2001 |
| 6047781 |
Multi-activity offshore exploration and/or development drilling method and apparatus |
Apr. 11, 2000 |
| 6000480 |
Arrangement in connection with drilling of oil wells especially with coil tubing |
Dec. 14, 1999 |
| 5240081 |
Mudline subsea wellhead system |
Aug. 31, 1993 |
| 5044450 |
Spar-buoy boring derrick and mooring facility |
Sep. 3, 1991 |
| 4919065 |
Submarine vehicle intended to measure data at the deep ocean sea-bottom |
Apr. 24, 1990 |
| 4913238 |
Floating/tensioned production system with caisson |
Apr. 3, 1990 |
| 4762185 |
Off-shore drilling |
Aug. 9, 1988 |
| 4716972 |
Floating drilling platform |
Jan. 5, 1988 |
| 4702321 |
Drilling, production and oil storage caisson for deep water |
Oct. 27, 1987 |
| 4630681 |
Multi-well hydrocarbon development system |
Dec. 23, 1986 |
| 4502551 |
Deep draft drilling platform |
Mar. 5, 1985 |
| 4305468 |
Method for drilling wellbores from an offshore platform |
Dec. 15, 1981 |
| 4136996 |
Directional drilling marine structure |
Jan. 30, 1979 |
| 4100754 |
Method and apparatus for installing pipes in off-shore locations |
Jul. 18, 1978 |
| 4068729 |
Apparatus for multiple wells through a single caisson |
Jan. 17, 1978 |
| 4054104 |
Submarine well drilling and geological exploration station |
Oct. 18, 1977 |
| 4030310 |
Monopod drilling platform with directional drilling |
Jun. 21, 1977 |
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