Pumpable well tool

Claim 1

A WELL TOOL ADAPTED TO BE PUMPED DOWN ONE OF AT LEAST TWO STRINGS OF PIPE POSITIONED WITHIN A WELL, SAID STRING OF PIPE HAVING A LOWER OPEN END AND HAVING STOP MEANS POSITIONED THEREIN TO PREVENT THE PASSAGE OF A WELL TOOL THERETHROUGH, SAID WELL TOOL COMPRISING A BODY MEMBER OF A DIAMETER SMALL ENOUGH TO PASS THROUGH SAID PIPE STRING, AT LEAST A PORTION OF SAID BODY MEMBER BEING OF A SIZE TO ENGAGE AND BE STOPPED BY THE STOP MEANS OF SAID PIPE STRING, A TOOL CARRIER SECURED TO THE TOP OF SAID BODY MEMBER, SAID TOOL CARRIER HAVING SEALING ELEMENT MEANS CARRIED THEREON OF SUBSTANTIALLY THE SAME DIAMETER AS THE PIPE STRING FOR PROPELLING THE WELL TOOL THROUGH THE PIPE STRING IN A STREAM OF FLUID FLOWING THERETHROUGH, A FLEXIBLE CABLE HOUSING SECURED TO THE LOWER END OF SAID BODY MEMBER, RELEASABLE CLOSURE MEANS CARRIED BY THE LOWER END OF SAID CABLE HOUSING, A LENGTH OF SMALL-DIAMETER WEIGHT SUPPORTING CABLE NORMALLY STORED AND CARRIED WITHIN SAID CABLE HOUSING, ONE END OF SAID CABLE BEING SECURED TO SAID CABLE HOUSING AND THE OTHER END BEING SECURED TO SAID CLOSURE MEANS AND EXTENDIBLE FROM SAID CABLE HOUSING, AND TOOL MEANS CONNECTED TO THE BOTTOM OF SAID CLOSURE MEANS FOR ENGAGING A DEVICE POSITIONED WITHIN SAID WELL.