Pacific Energy Partners, L.P. was formed by The Anschutz Corporation to acquire, own and operate its crude oil midstream assets in California and the Rocky Mountain region. These assets are used in gathering, blending, transporting, storing and distributing crude oil. The Company generates revenues primarily by charging tariff rates for transporting crude oil through its pipelines. It also generates revenues by blending, storing and marketing crude oil. It has organized its business operations into two regional operating units, West Coast operations and Rocky Mountain operations.