Overland Pass Pipeline


pipeline map

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Overland Pass Pipeline Company is a joint venture that ONEOK Partners and Williams established in May 2006. The Overland Pass Pipeline includes a 760-mile natural gas liquids (NGL) pipeline from Opal, Wyo., to the Mid-Continent NGL market center in Conway, Kan., along with 150- and 125-mile extensions into the Piceance and Denver-Julesberg Basins in Colorado, respectively.

The Overland Pass Pipeline is designed to transport approximately 245,000 barrels per day of natural gas liquids.


Williams (NYSE: WMB) owns 50 percent of Overland Pass Pipeline Company, LLC and ONEOK Partners, L.P. (NYSE: OKS) owns the other 50 percent interest. Williams is the operator of record.


Download a copy of the Overland Pass Pipeline tariff.

Product Specifications

Download a copy of the Product Specifications.

Counties of Operation

Overland Pass Pipeline, including the Piceance Basin Lateral and DJ Lateral, traverses 26 counties in three states:

Colorado Adams, Larimer, Logan, Moffat, Morgan, Rio Blanco, Washington, Weld, Yuma
Wyoming Albany, Carbon, Laramie, Lincoln, Sweetwater
Kansas Barton, Cheyenne, Ellis, Ellsworth, Gove, McPherson, Rawlins, Rice, Russell, Sheridan, Thomas, Trego


For questions about Williams’ operations, commercial development or distribution, please contact one of the individuals listed below. For general questions about Williams, please call 800-945-5426 or send an e-mail to WilliamsContact@williams.com.


Randy Heinrichs, manager of Operations

Commercial Development

Kenny Workman, manager of Commercial Development
John Doyle, senior Commercial Development representative

Distribution and Scheduling

Melinda Lapham, manager of Distribution and Scheduling
Kristen Squier, Distribution representative