Mobile marine platform apparatus

Claim 1

MOBILE MARINE PLATFORM APPARATUS FOR USE IN WATER OVERLYING A MARINE FLOOR, AND APPARATUS COMPRISING: (A) A FIRST PLATFORM STRUCTURE ADAPTED TO SUPPORT SUPPLIES AND EQUIPMENT, (B) AT LEAST THREE STABILIZING COLUMNAR MEMBERS, EACH OF LENGTH GREATER THAN THE DEPTH OF WATER OVERLYING THE MARINE FLOOR AND EACH FIXEDLY SECURED TO ITS UPPER END TO THE SAID FIRST PLATFORM STRUCTURE, (C) A BASE STRUCTURE FIXEDLY SECURED TO THE LOWER ENDS OF SAID COLUMNAR MEMBERS, (D) SAID COLUMNAR MEMBERS, BASE STRUCTURE AND FIRST PLATFORM STRUCTURE DEFINING A STABLE PRIMARY STRUCTURE ADAPTED TO FLOAT IN SAID WATER WITH THE FIRST PLATFORM STRUCTURE ABOVE THE SURFACE OF THE WATER, (E) SAID BASE STRUCTURE BEING FORMED TO PROVIDE A WORKING RECESS EXTENDING INWARDLY FROM ONE EDGE THEREOF, (F) FIRST MEANS TO CONTROLLABLY BALLAST SAID PRIMARY STRUCTURE TO LOWER SAID PRIMARY STRUCTURE TO THE MARINE FLOOR UNDER CONDITIONS OF CONTROLLED STABILITY OR SELECTIVELY TO CONTROLLABLY DEBALLAST SAID PRIMARY STRUCTURE TO RAISE SAID PRIMARY STRUCTURE FROM THE MARINE FLOOR UNDER CONDITIONS OF CONTROLLED STABILITY, (G) A SECOND PLATFORM STRUCTURE ADAPTED TO SUPPORT SUPPLIES AND EQUIPMENT AND POSITIONED OVER SAID RECESS AND BELOW SAID FIRST PLATFORM STRUCTURE, (H) AND SECOND MEAND RIGIDLY AND VERTICALLY ADJUSTABLY SECURING SAID SECOND PLATFORM STRUCTURE TO SAID PRIMARY STRUCTURE WHEREBY THE ELEVATION OF SAID SECOND PLATFORM STRUCTURE RELATIVE TO SAID PRIMARY STRUCTURE AND TO THE SURFACE TO THE WATER MAY BE VARIED.