Patent ID: 8881821

Claim:
A re-fracturing method for a subterranean location having a plurality of valves adjacent ports in a tubular string that were opened for earlier fracturing at the subterranean location by an object delivered to a seat thereon, comprising: running in a string to at least one of said valves; removing at least one seat associated with said valves with said string when said one of said valves is in an open position with respect to said port adjacent to said valve and removing cuttings from the subterranean location in an uphole direction toward a borehole entrance to the subterranean location; isolating said at least one open port in said tubular string with said string from at least one other said port in said tubular string; refracturing through said at least one open isolated port using said string; performing said removing, isolating and refracturing in a single trip with said string to the subterranean location.