Hydraulic operated well tools

Claim 1

A TOOL ASSEMBLY MOVABLE THROUGH A WELL FLOW CONDUCTOR; SAID TOOL ASSEMBLY INCLUDING: A WELL TOOL HAVING A BODY PROVIDED WITH A PISTON CHAMBER; A PISTON MOVABLY DISPOSED IN SAID CHAMBER AND OPERATOR MEANS CARRIED BY SAID BODY AND OPERABLE BY SAID PISTON, SAID PISTON BEING MOVABLE FROM AN INITIAL INOPERATIVE POSITION TO AN OPERATIVE POSITION IN SAID CHAMBER BY FLUID PRESSURE; AND AN ACTUATOR TOOL HAVING A BODY CONNECTED TO THE UPPER END OF SAID WELL TOOL BODY, SAID ACTUATOR TOOL BODY HAVING A FLOW PASSAGE OPENING INTO SAID PISTON CHAMBER AND A LATERAL PORT COMMUNICATING SAID PASSAGE WITH THE EXTERIOR OF SAID ACTUATOR TOOL BODY, CLOSURE MEANS IN SAID PASSAGE CLOSING SAID PASSAGE AND PREVENTING FLUID FLOW FROM THE EXTERIOR OF SAID ACTUATOR TOOL BODY TO SAID CHAMBER THROUGH SAID PASSAGE, A SUPPORT ROD RELEASABLY SECURED TO SAID WELL TOOL BODY IN AN UPPER POSITION AND MOVABLE DOWNWARDLY RELATIVE TO SAID WELL TOOL BODY, SAID SUPPORT ROD OPENING SAID CLOSURE MEANS WHEN MOVED LONGITUDINALLY DOWNWARDLY RELATIVE TO SAID WELL TOOL BODY, AND ANCHOR MEANS ON SAID WELL TOOL BODY MOVABLE TO EXPANDED POSITION TO ANCHOR SAID BODY AGAINST DOWNWARD MOVEMENT IN A FLOW CONDUCTOR.