Well drilling platform

Claim 1

IN WELL DRILLING, COMPLETION AND WORK-OVER OPERATIONS CARRIED ON AT OFFSHORE LOCATION FROM A DRILLING PLATFROM HAVING A DERRICK AND A HOIST SYSTEM THEREIN, A METHOD OF HANDLING EQUIPMENT PRIOR TO RUNNING SAID EQUIPMENT TO AN UNDERWATER WELLHEAD, SAID METHOD COMPRISING (A) POSITIONING AN EQUIPMENT LOAD TO ONE SIDE OF A DERRICK ON A DRILLING PLATFORM, (B) LOWERING SAID EQUIPMENT LOAD FROM THE LEVEL OF THE DERRICK BASE TO A LEVEL ON SAID DRILLING PLATFORM ENTIRELY BELOW SAID DERRICK BASE AND TO ONE SIDE THEREOF, (C) POSITIONING SAID EQUIPMENT LOAD AT SAID LOWER LEVEL FOR LATERAL MOVEMENT THEREAT, (D) MOVING SAID EQUIPMENT LOAD LATERALLY AT SAID LOWER LEVEL TO A POSITION UNDERNEATH THE HOIST SYSTEM OF SAID DERRICK, (E) TRANSFERRING SAID EQUIPMENT LOAD FROM SAID LOAD MOVING POSITION TO LOAD-SUPPORT MEANS, (F) SUPPORTING SAID EQUIPMENT LOAD BENEATH SAID DERRICK, (G) CONNECTING LOWERING MEANS TO SAID EQUIPMENT LOAD, (H) LIFTING SAID EQUIPMENT LOAD OFF SAID LOAD-SUPPORT MEANS, (I) RETRACTING SAID LOAD-SUPPORT MEANS FROM BENEATH SAID EQUIPMENT LOAD, AND (J) LOWERING SAID EQUIPMENT LOAD FROM THE DRILLING PLATFORM INTO THE WATER TO AN UNDERWATER WELLHEAD.