A DRILLING RIG AND A METHOD FOR MOVING A DRILLING RIG

摘要

A drilling rig and method for facilitating movement of a drilling rig comprising a base box (18) and a plurality of wheel assemblies (30) wherein at least one of said wheel assemblies (30) is connected to said base box (18) on a pivot (19) and is pivots from a first position for facilitating movement of said drilling rig from a first location to a second location, to a second position disabling movement of said drilling rig. Also disclosed is a drilling rig comprising a base box (18), a substructure (51) and a plurality of powered cylinder apparatuses (70), the substructure (51) raisable above the base box (18) using the plurality of powered cylinder apparatuses (70) wherein the drilling rig further comprises a plurality of scissors apparatuses (60) for bracing the substructure (51) with respect to the base box (18).