Williams has inked agreements with Chevron U.S.A. Inc. to build greenfield infrastructure onshore and expand a massive offshore system to support growing natural gas deliveries from the Haynesville Shale and deepwater Gulf of Mexico.

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In one deal, the Tulsa-based pipeline giant would provide gas gathering services for Chevron’s 26,000-acre Haynesville dedication. Chevron in turn made a long-term capacity commitment on Williams’ Louisiana Energy Gateway (LEG) gathering system. LEG, set to ramp in 2024, is designed to collect 1.8 Bcf/d.

Additionally, Williams plans to use existing deepwater infrastructure to serve increased gas production from the Chevron-operated Blind Faith platform

No financial details were disclosed.

“This is a great example of Williams and...