Portable drill rig

Claim 1

IN AN OIL WELL DRILLING SYSTEM, AN ELONGATED PLATFORM HAVING GROUND-ENGAGING TRANSPORT MEANS, AN ELONGATED DERRICK PIVOTALLY MOUNTED AT ONE END TO SAID PLATFORM AND MOVABLE BETWEEN A PRONE TRANSPORT POSITION EXTENDING ALONG THE PLATFORM, AND AN UPRIGHT DRILLING POSITION AT SAID ONE END OF THE PLATFORM, MEANS FOR MOVING SAID DERRICK BETWEEN SAID POSITIONS, MEANS WITHIN SAID DERRICK FOR SUPPORTING A DRILL STRING WHEN SAID DERRICK IS IN A VERTICAL DRILLING POSITION, PIPE STORAGE MEANS COMPRISING A PAIR OF UPRIGHT WALLS EACH PIVOTED AT ONE END TO ONE SIDE OF SAID PLATFORM AT SPACED POINTS AND MOVABLE BETWEEN A POSITION ALONGSIDE SAID PLATFORM AND A POSITION TRANSVERSE TO SAID PLATFORM FORMING A PIPE STORAGE BIN, PIPE SEPARATORS CARRIED BY THE FACING SIDES OF SAID WALLS, A TRACK FASTENED ALONG THE TOP OF EACH SAID WALL, A PIPE TRANSFER TROLLEY SUPPORT CARRIED BY SAID WALLS TO OVERLIE SAID PLATFORM WHEREBY THE TROLLEY CAN BE STORED DURING PLATFORM TRANSPORT, A PIPE TRANSFER TROLLEY MOVABLE BETWEEN SAID PLATFORM SUPPORT AND ALONG SAID TRACKS WHEN SAID WALLS ARE PIVOTED OUT TO FORM A PIPE BIN, MEANS FOR MOVING SAID TROLLEY, GRIP MEANS ON SAID TROLLEY TO BE ACTUATED TO GRASP A PIPE TO MOVE IT FROM THE PIPE STORAGE MEANS TO THE PLATFORM, A PIPE TRANSFER ARM PIVOTALLY MOUNTED AT ONE END ADJACENT SAID DERRICK PIVOT FOR MOVEMENT IN A VERTICAL ARC BETWEEN SAID PLATFORM AND SAID DERRICK ELEVATED POSITION, MEANS FOR MOVING SAID TRANSFER ARM THROUGH SAID ARC, PIPE GRIPPER MEANS ON SAID TRANSFER ARM, MEANS CARRIED BY SAID PLATFORM FOR DELIVERING PIPE BETWEEN SAID TROLLEY AND SAID TRANSFER ARM PIPE GRIPPER MEANS, AND MEANS ON SAID DERRICK TO CONNECT A PIPE TO A DRILL STRING SUPPORTED THEREBY.