WELL PACKER INCLUDING COMBINATION ANTI-EXTRUSION AND SEGMENT RING ACTUATING WASHER

摘要

WELL PACKER INCLUDING COMBINATION ANTI-EXTRUSION AND SEGMENT RING ACTUATING WASHER A packer assembly for sealing against the wall of well pipe including a washer having reverse beveled and beveled faces. The reverse beveled face is adjacent to a straight resilient packer face, and the internal gap created thereby retards vertical extrusion of the resilient packer section under pressure. The beveled face abuts a radially expanding segmented packer ring, causing the packer ring to expand against the well pipe when the packer assembly is operated, thereby limiting vertical extrusion of the resilient packer section under high pressure conditions.