North Sea Decommissioning Estimates - Phase 2 - Supplemental Volume 1 Cost Components Report presenting the results of a platform decommissioning study and phase 2 cost estimates prepared for the then-operator Oryx. The study incorporated all of Oryx's assets and this volume includes some documentation from the overall project as well as a decommissioning profile specific to Murchison, including methodologies, costs and schedules. Twachtman Snyder and Thornton Inc September 1996