Hovercraft work platform

A self-propelled jack-up work platform comprising:

• a hovercraft vessel comprising a deck capable of serving as a work platform, a skirt positioned below said deck, said skirt configured to contain an air cushion sufficient to support said hovercraft, an air source capable of directing a sufficient volume of air into said skirt to create said air cushion, and a thrust source capable of generating sufficient thrust to move said hovercraft;
• and
• a jack up structure comprising a plurality of extensible legs of sufficient size and strength to support said hovercraft.

A jack-up work platform comprising:

• a hovercraft vessel comprising a deck capable of serving as a work platform, a skirt positioned below said deck, said skirt having a bottom edge opposite said deck, said skirt configured to contain an air cushion sufficient to support said hovercraft, an air source capable of directing a sufficient volume of air into said skirt to create said air cushion, and a thrust source capable of generating sufficient thrust to move said hovercraft;
• and
• a jack up structure comprising a plurality of extensible legs of sufficient size and strength to support said hovercraft, wherein said legs are long enough to extend beyond said bottom edge of said skirt when said legs are extended.

A jack up work platform comprising:

• a hovercraft vessel comprising a deck capable of serving as a work platform, a skirt positioned below said deck, said skirt configured to contain an air cushion sufficient to support said hovercraft, an air source capable of directing a sufficient volume of air into said skirt to create said air cushion, and a thrust source capable of generating sufficient thrust to move said hovercraft;
• and
• a jack up structure comprising a plurality of extensible legs configured rest upon a solid surface when fully extended and of sufficient size and strength to support said hovercraft.