A METHOD AND SYSTEM FOR FACILITATING ASSEMBLY OF A DRILLING RIG

摘要

A method for facilitating erection of a drilling rig, the drilling rig comprising at least a part of a rig floor and a base having at least one collapsible leg therebetween, the method comprising the steps of attaching the mast to the at least a part of the rig floor, raising the mast to a vertical position and subsequently raising the at least part of the rig floor on the collapsible legs relative to the base.