Plains All American Pipeline, L.P. operates a substantial midstream energy network across the United States and Canada, specializing in the transportation, storage, gathering, and terminalling of both crude oil and natural gas liquids (NGLs). The firm's operations are divided into two principal segments: Crude Oil and Natural Gas Liquids. The Crude Oil segment manages the collection and movement of crude oil through an extensive infrastructure comprising pipelines, gathering systems, trucks, and occasionally barges or railcars. This division also provides terminalling, storage, and other related facility services, alongside merchant activities. As of December 31, 2021, its assets included approximately 18,300 miles of active crude oil transportation pipelines and gathering systems, supplemented by an additional 110 miles of pipelines supporting storage and terminalling sites. It boasted 74 million barrels of commercial crude oil storage capacity and 38 million barrels of active, above-ground tank capacity. Further infrastructure encompassed four marine facilities, a condensate processing facility, seven crude oil rail terminals equipped with 2,100 railcars, and a fleet of 640 trucks and 1,275 trailers. The Natural Gas Liquids segment is involved in natural gas processing, NGL fractionation, as well as the storage, transportation, and terminalling of NGLs. By the close of 2021, this segment operated four natural gas processing plants and nine fractionation facilities. Its storage capacity included 28 million barrels of NGLs, supported by roughly 1,620 miles of active NGL transportation pipelines, plus an additional 55 miles specifically for NGL storage facilities. The NGL infrastructure also featured 16 rail terminals, approximately 3,900 NGL rail cars, and around 220 trailers. Established in 1981 and headquartered in Houston, Texas, Plains All American Pipeline, L.P. functions as a subsidiary under Plains GP Holdings, L.P.
