Plains All American Pipeline, L.P. (Plains) is engaged in the transportation, storage, terminalling and marketing of crude oil and refined products, as well as in the processing, transportation, fractionation, storage and marketing of natural gas liquids (NGL). The term NGL includes ethane and natural gasoline products, as well as propane and butane, products, which are also commonly referred to as liquefied petroleum gas (LPG). Its operations are conducted directly and indirectly through its primary operating subsidiaries. It operates in three segments: Transportation, Facilities, and Supply and Logistics. It has network of transportation, terminalling and storage facilities at various markets and in oil producing basins. In December 2012, it acquired crude oil and condensate gathering assets from a subsidiary of Chesapeake Energy Corporation. In December 2012, it acquired four operating crude rail terminals, one terminal under development.