Patent ID: 9217297
Filing Date: 2015-12-22
Classification: E21B

Abstract:
1. A method for gripping and extracting a pipe from a well bore comprising the steps of: (a) placing a skid assembly at a desired position adjacent a wellhead opening, said wellhead opening having an inserted pipe string, said skid assembly comprising: (b) providing an elevator assembly supported on said extendable and retractable columns of said mast assembly; (c) extending said rod of said horizontally oriented actuator and thereby sliding said mast beams of said mast assembly directly upon and along said top surface of said support beams of said frame of said skid thereby positioning said mast assembly at a desired position over said wellhead opening and said pipe string without a roller; (d) attaching said elevator assembly to said pipe string in said wellbore opening; and (e) supporting said pipe string on said elevator assembly.