Transwestern Gas Pipeline

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Summary Information

  • Source:
  • Destination:
  • Ownership: Energy Transfer Partners
  • Website:
  • Length: kilometres (2,700 miles)
  • Capacity: per day
  • Status: Operating

+++ Details

  • Transwestern transports natural gas from the San Juan, Anadarko, and Permian Basins to markets in the Midwest, Texas, Arizona, New Mexico, Nevada, and California via approximately 2,700 miles of large diameter pipeline.
  • Transwestern’s mainline capacity flowing west is 1,225 MMcf/day; San Juan Lateral capacity is 1,610 MMcf/ day. Transwestern’s system has access to Rocky Mountain production via its San Juan Lateral interconnections with TransColorado Gas Pipeline and Northwest Gas Pipeline Corporation.

+++ Contractors

  • **Universalpegasus:**
    • Phoenix Lateral Project - construction management, inspection, materials handling, and survey services
    • Red Rock Expansion - construction management, as-­‐built survey, and inspection services
    • Bloomfield Compressor Station - detailed design

+++ History

  • 1996 - San Juan Eastward completed
  • 1997 - Bloomfield Station completed
  • 1998 - San Juan Expansion B completed
  • 2000 - Gallup Expansion completed
  • 2002 - Red Rock Expansion & Bloomfield Station 02 completed
  • 2004 - Rewheel Project completed
  • 2005 - San Juan 2005 Expansion completed
  • 2008 - San Juan Lateral Expansion completed
  • 2009 - Phoenix Lateral Project completed

+++ Other Information

  • -

+++ Links

  1. Energy Transfer / Transwestern Pipeline Company
  2. EIA Natural Gas Pipeline Projects
  3. Universalpegasus Pipeline References