WELL PACKER INCLUDING ANTI-EXTRUSION WASHER

摘要

WELL PACKER INCLUDING ANTI-EXTRUSION WASHER A packer assembly for sealing against the wall of well pipe including a reverse beveled washer face adjacent a straight resilient packer face, thereby providing an internal gap for vertical extrusion when the packer is radially expanded and, hence, retard vertical extrusion between the hard packer components and the well pipe wall.