Apparatus for running equipment into and out of offshore well completions

Claim 1

IN AN APPARATUS FOR RUNNING EQUIPMENT INTO AND OUT OF A WELL FROM A STATION SPACED HORIZONTALLY FROM THE WELL, THE COMBINATION OF: (A) AN EQUIPMENT TUBING SET IN SAID WELL; (B) A CONDUCTOR TUBING EXTENDING BETWEEN SAID WELL AND SAID STATION; (C) SUPPORTING STRUCTURE AT SAID WELL AND CONNECTED TO SAID EQUIPMENT AND CONDUCTOR TUBINGS; (D) A TUBULAR SWITCH MOUNTED ON SAID SUPPORTING STRUCTURE AND MOVABLE BETWEEN A POSITION WHEREIN IT IS COAXIALLY ALIGNED WITH SAID CONDUCTOR TUBING AND A POSITION WHEREIN IT IS COAXIALLY ALIGNED WITH SAID EQUIPMENT TUBING; (E) SAID EQUIPMENT BEING SLIDABLE BETWEEN SAID STATION AND SAID SWITCH THROUGH SAID CONDUCTOR TUBING AND BEING SLIDABLE BETWEEN SAID SWITCH AND AN OPERATING POSITION IN SAID WELL THROUGH SAID EQUIPMENT TUBING; (F) SAID EQUIPMENT BEING SLIDABLE FROM SAID CONDUCTOR TUBING INTO SAID SWITCH, AND VICE VERSA, WHEN SAID SWITCH IS IN COAXIAL ALIGNMENT WITH SAID CONDUCTOR TUBING; AND (G) SAID EQUIPMENT BEING SLIDABLE FROM SAID EQUIPMENT TUBING INTO SAID SWITCH, AND VICE VERSA, WHEN SAID SWITCH IS IN COAXIAL ALIGNMENT WITH SAID EQUIPMENT TUBING.