The Transwestern Pipeline transports natural gas supplies in the San Juan and Rocky Mountain Basins in northwest New Mexico, southwest Colorado, the Texas-Oklahoma Panhandle, the Permian Basin region of West Texas and southeastern New Mexico. Owned by Energy Transfer Partners LP and operated by Transwestern Pipeline Co., the pipeline has a system capacity of 1.2 billion cubic feet per day (Bcf/d), according to Hart Energy Mapping and Data Services.

The system, which runs 2,362 miles across the southwestern U.S., has 18 compressor stations.

According to a report on wikinvest.com, Energy Transfer Partners acquired the pipeline on Dec. 1, 2006. CCE Holdings LLC redeemed ETP’s 50% interest it had acquired the previous month in exchange for 100% ownership of the Transwestern Pipeline. After that transaction, Transwestern Pipeline Co. became a new operating subsidiary of ETP.

ConocoPhillips (FTS-1) is the pipeline’s highest transport customer with 372,000 dekatherms per day (Dth/d) of capacity; followed by BP Energy Co. with 275,000 Dth/d. The rest of the top 10 are Southern California Gas Co. with 230,000 Dth/d; ConocoPhillips (FTS-4) with 214,000 Dth/d; SRP with 200,000 Dth/d; Southwest Gas Corp. with 166,000 Dth/d; Pacific Gas And Electric Co. with 150,000 Dth/d; Tenaska Marketing Ventures with 135,000 Dth/d; Agave Energy Co. with 130,000 Dth/d; and Chevron USA Inc. with 118,000 Dth/d.

The pipeline’s top receipt point is at Williams Field Milagro Plant, followed by TWPL/Transcolorado Blanco. Its top delivery point is SoCal Needles, followed by PG&E Topock, according to Hart Energy Mapping and Data Services.

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