Automated system and drilling rig for continuously and automatically pulling and running a drill-pipe string

Claim 1

SYSTEM FOR CONTINUOUSLY AND AUTOMATICALLY PERFORMING ROUND TRIP OPERATIONS ON OIL AND GAS WELLS WHILE DRILLING OR IN PRODUCTION, THE DRILLING STRING CONSISTING OF PIPES ASSEMBLED BY MEANS OF TWO LIFTS WHOSE MOVEMENTS ARE SYNCHRONIZED, SAID SYSTEM INVOLCING FOR THE TRANSFER OF EACH PIPE TO BE ADDED TO THE DRILL-STRING SUCCESSIVELY, RAISING OF THE PIPE IN HORIZONTAL POSITION FROM THE STORAGERACK TO A MID-WAY STATION UP THE DERRICK, 90* SWINGING OF THE PIPE TO VERTICAL POSITION IN THE CENTRAL AREA OF THE DERRICK, WHEREBY ONE END OF SAID PIPE IS DIRECTLY GRIPPED BY THE UPPER LIFT DURING ITS UPWARD MOVEMENT SO AS TO RAISE SAID PIPE END TO THE UPPER SECTION OF THE DERRICK, WHILE THE OTHER END OF SAID PIPE IS BEING HORIZONTALLY TRANSLATED, WHEREAFTER SAID PIPE IS LOWERED ALONG THE DERRICK AXIS AT A SPEED SUCH AS TO CATCH UP WITH THE DRILL-STRING WHICH IS CONTINUOUSLY DESCENDING AND THEREAFTER SYNCHRONIZATION OF SAID PIPE SPEED WITH THE CONSTANT DESCENDING SPEED OF THE DRILL-STRING, ROTATION OF SAID PIPE FOR ITS MAKING UP AT THE LEVEL OF THE LOWER LIFT, WHILE BOTH SAID PIPE AND DRILL-STRING ARE CONTINUOUSLY DESCENDING, WHEN COMING OUT OF THE HOLE THE MOVEMENTS ARE REVERSED.