-
Gap spar with ducking risers
-
Patent number 6,309,141
-
Issue date Oct 30, 2001
-
Shell Oil Company
-
Bobby Eugene Cox
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
-
Spar platform
-
Patent number 6,263,824
-
Issue date Jul 24, 2001
-
Shell Oil Company
-
Stephen W. Balint
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
-
Deepwater riser system
-
Patent number 6,161,620
-
Issue date Dec 19, 2000
-
Shell Oil Company
-
Bobby Eugene Cox
-
E21 - EARTH DRILLING MINING
-
-
Offshore drilling rig transfer
-
Patent number 4,973,198
-
Issue date Nov 27, 1990
-
Shell Oil Company
-
Bobby E. Cox
-
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
-
-
-
-