Patent ID: 8002500
Filing Date: 2011-08-23
Classification: E02B

Abstract:
1. A method of elevating a marine platform that is supported by a plurality of hollow metallic leg sections, each having a leg central axis, said platform having a deck supported by the leg sections, comprising the steps of: a) cutting one of the leg sections at a first position to provide a cut at a selected elevation, the cut separating the leg into upper and lower sections; b) attaching a sleeve to the leg section that was cut in step “a” part of the sleeve being affixed to the lower leg below the cut section; c) attaching a plurality of hydraulic rams to both the upper and the lower leg sections, each ram having a hollowed cylinder and an extensible push rod and first and second ram end portions, the rams being attached to the leg section at the end ram portions, one ram end portion being attached to the upper section above the cut and below the deck and wherein each ram has a retracted and an extended position; d) repeating steps “a” through “b” for a plurality of other leg sections of the platform; e) elevating the platforms by extending each ram to the extended position; and f) structurally affixing the sleeve to the upper leg section after step “e”; and g) wherein the upper and lower sections after step “f” have the same central axis as before step “a”.