Patent ID: 9194213
Filing Date: 2015-11-24
Classification: E21B

Abstract:
1. A packer for a well comprising: at least one packing element; at least one anchoring element, and an interlock mechanism for controlling the sequential setting of first the at least one anchoring element and then the at least one packing element; and a mandrel coupled to the at least one anchoring element, wherein actuating the at least one anchoring element and the at least one packing element releases the mandrel to move with respect to the at least one packing element and the at least one anchoring element, and wherein the at least one packing element and the at least one anchoring element are integral, and the interlock mechanism comprises: a deactivation element configured to move with respect to the mandrel upon application of a predetermined pressure; a packer setting sleeve configured to move with respect to the mandrel from a packer run-in position to a packer set position; a plurality of packer setting sleeve dogs for releasably retaining the packer setting sleeve in the packer run-in position; and a plurality of mandrel dogs for releasably retaining the mandrel with respect to the at least one integral packing/anchoring elements until said packing/anchoring elements are set.