Oilfield Decommissioning/Asset Retirement & Closure

Oil Field Decommissioning Activities, East Cat Canyon Oil Field, Santa Barbara County, California

Project Name: Oil Field Decommissioning Activities, East Cat Canyon Oil Field, Santa Barbara County, California
Services: Geoenvironmental Site Assessment and Restoration Activities
Client: Chevron Environmental Management Company

Padre was involved with oil well abandonment, facility abandonment, and site assessment/restoration activities within the Cat Canyon Oil Field between 2001 and 2009. The oil production facility, comprising 10,000 acres across 13 properties and at one time containing over 400 oil wells, underwent partial abandonment, which included abandonment of oil wells, demolition of storage tanks, and removal of pipelines in accordance with state and local regulations. Padre worked on behalf of Chevron to develop scopes of work and cost estimates, negotiate with regulatory agencies and landowners, procure permits, and manage the required scope of work. Padre also completed partial abandonment of a tank battery facility coupled with successful wildlife habitat mitigation, while concurrently managing a 20 well per year abandonment package. Padre’s role included management of the health and safety program, safe work permit issuance, contractor management, fluid and waste management, well excavation assessment and chemical analyses.

Chevron Point Arguello Rigs to Reefs Decommissioning Program

Project Name: Chevron Point Arguello Rigs to Reefs Decommissioning Program
Services: Environmental Sciences/Permitting
Client: Chevron Environmental Management Company

Padre has supported the overall Rigs to Reefs process in California for several years as the environmentally superior alternative for decommissioning of offshore oil platforms. Specifically, Padre provided technical and environmental issues support to oil companies during the drafting and ultimate passage/signing of Rigs to Reefs legislation in California (AB2503). Padre is currently providing ongoing technical and environmental issues/permitting planning support to Chevron for the Rigs to Reefs alternative for the ultimate future decommissioning of the three Point Arguello Platforms.

Section 24D Premiere Property, Ponds 6 and 7, and Sumps 1 through 5, Coalinga Oilfield, Fresno County, California

Project Name: Section 24D Premiere Property, Ponds 6 and 7, and Sumps 1 through 5, Coalinga Oilfield, Fresno County, California
Services: Oilfield Decommissioning Closure
Client: Chevron Environmental Management Company

Padre successfully completed the closure of former percolation ponds and former sumps at the site. Padre’s closure methodology was designed based on the Oilfield Surface Impoundment Closure Guidelines published by the U.S. Department of the Interior, Bureau of Land Management. Closure activities included the characterization of the nature and extent of contamination, removal of free liquids and residual contamination, and restoring the site to previous grade. Based on the results of the closure activities, the California Regional Water Quality Control Board, Central Valley Region issued “No Further Action” status for the site.