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Class Information
Number: 405/201
Name: Hydraulic and earth engineering > Marine structure or fabrication thereof > With horizontally movable work deck
Description: Method or apparatus wherein the construction includes a platform on which, or from which a work operation is to be performed, which platform is mounted so as to be shiftable relative to its support, the shifting occurring in a plane substantially parallel to the water surface.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7451821 |
Blow out preventer transfer platform |
Nov. 18, 2008 |
| 7410326 |
Auxiliary reaction frame system for cantilevered jack-up rigs, and method therefore |
Aug. 12, 2008 |
| 7377335 |
Method and apparatus for movement of drilling equipment between adjacent locations |
May. 27, 2008 |
| 7234896 |
Vertically folding service arm for a movable platform offshore drilling or servicing rig |
Jun. 26, 2007 |
| 7101117 |
Minimized wave-zone buoyancy platform |
Sep. 5, 2006 |
| 7083004 |
Cantilevered multi purpose tower and method for installing drilling equipment |
Aug. 1, 2006 |
| 6997647 |
Active hold down system for jack-up drilling unit |
Feb. 14, 2006 |
| 6729804 |
Cantilevered tower for jack-up platform |
May. 4, 2004 |
| 6491477 |
Self-elevating drilling unit |
Dec. 10, 2002 |
| 6481931 |
Cantilever supported drilling rig |
Nov. 19, 2002 |
| 6406222 |
Mooring construction |
Jun. 18, 2002 |
| 6390732 |
Jack-up, movable drilling platform having a telescoping outrigger |
May. 21, 2002 |
| 6217258 |
Dual hoist derrick system for deep sea drilling |
Apr. 17, 2001 |
| 6210076 |
Offshore deck installation |
Apr. 3, 2001 |
| 6171027 |
Cantilevered jack-up platform |
Jan. 9, 2001 |
| 6161358 |
Modular mobile drilling system and method of use |
Dec. 19, 2000 |
| 6030148 |
Method for improving the feasibility of a drilling rig of jack-up type and a drilling rig of jack-up type |
Feb. 29, 2000 |
| 5997217 |
Shallow water well-drilling apparatus |
Dec. 7, 1999 |
| 5492436 |
Apparatus and method for moving rig structures |
Feb. 20, 1996 |
| 5407302 |
Method and apparatus for skid-off drilling |
Apr. 18, 1995 |
| 5290128 |
Method and apparatus for transferring a drilling apparatus from a movable vessel to a fixed structure |
Mar. 1, 1994 |
| 5139367 |
System for moving drilling module to fixed platform |
Aug. 18, 1992 |
| 5052860 |
System for moving drilling module to fixed platform |
Oct. 1, 1991 |
| 5051035 |
Bearing system for a turning means |
Sep. 24, 1991 |
| 5032040 |
System for moving drilling module to fixed platform |
Jul. 16, 1991 |
| 4973198 |
Offshore drilling rig transfer |
Nov. 27, 1990 |
| 4938628 |
System for moving drilling module to fixed platform |
Jul. 3, 1990 |
| 4913591 |
Mobile marine platform and method of installation |
Apr. 3, 1990 |
| 4848966 |
Arrangement in a production platform |
Jul. 18, 1989 |
| 4823870 |
Cantilever drilling structure |
Apr. 25, 1989 |
| 4784410 |
Concentric piping flex joint |
Nov. 15, 1988 |
| 4716972 |
Floating drilling platform |
Jan. 5, 1988 |
| 4630681 |
Multi-well hydrocarbon development system |
Dec. 23, 1986 |
| 4609306 |
Ice-breaking off-shore drilling and production structure |
Sep. 2, 1986 |
| 4574241 |
Marine surveying apparatus and method for locating pipelines buried under the seabed |
Mar. 4, 1986 |
| 4483644 |
Cantilevered mobile marine rig with hydraulic load equalizer |
Nov. 20, 1984 |
| 4422791 |
Universal joint construction for use in anchoring a surface platform to a sea bed |
Dec. 27, 1983 |
| 4401398 |
Support structure for mudline suspension wellhead |
Aug. 30, 1983 |
| 4389141 |
Marine structure having a deck or work platform supported by absorbing mechanisms |
Jun. 21, 1983 |
| 4295758 |
Working platform for oil drilling operations in ice covered sea areas |
Oct. 20, 1981 |
| 4288177 |
Walking platform construction |
Sep. 8, 1981 |
| 4208158 |
Auxiliary offshore rig and methods for using same |
Jun. 17, 1980 |
| 4161376 |
Offshore fixed platform and method of erecting the same |
Jul. 17, 1979 |
| 4134702 |
Arrangement of platform deck for oil rigs or the like |
Jan. 16, 1979 |
| 4103503 |
Drilling substructure transfer system |
Aug. 1, 1978 |
| 4090368 |
Offshore platforms |
May. 23, 1978 |
| 4081932 |
Platform crane |
Apr. 4, 1978 |
| 4068487 |
Method and apparatus for conducting subaqueous operations in ice conditions |
Jan. 17, 1978 |
| 4033056 |
Spud guide means in a dredging vessel |
Jul. 5, 1977 |
| 3955521 |
Tension leg platform with quick release mechanism |
May. 11, 1976 |
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