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reuse water facility

Working closely with Veolia, Chevron's water treatment system recovers and treats produced water for beneficial reuse.

Protecting Water Resources to Support Industrial Sustainability and Healthy Ecosystems

Global water shortages continue to grow, with water scarcity affecting every continent and 2.8 billion people around the world. The Veolia Foundation's water case studies showcase innovative corporate approaches to helping solve global water challenges. One of them is Chevron San Ardo, which cleans and recycles produced water for local acquifer discharge and steam generation.

North America's growing commitment to water conservancy, as recognized by the U.S. Chamber of Commerce Foundation's Corporate Citizenship Center, is best shown in a new sustainable solution for managing produced water at Chevron's San Ardo oil field in California. This operation, included in the Foundation's recent report, "From Scarcity to Abundance," accompanies a broad range of sustainable water management solutions that contribute to the circular economy.

Produced Water Solution for Chevron

Chevron's San Ardo oil field in Southern California recovers more than 10,000 barrels of heavy oil each day. The oil extraction process generates large volumes of produced water that require treatment and management, typically disposed of by deep well injection. Veolia was challenged to develop a sustainable solution to treat 150,000 barrels of produced water daily, and oversee the facility's operations and maintenance requirements.

To meet this requirement, Veolia designed the world's first produced water facility to use its proprietary OPUS® technology, a multiple treatment process that removes contaminants sufficiently to meet the established requirements for discharge. In this case, the treated water is used in two ways: It's reused for steam generation, and then released into aquifer recharge basins that replenish local water resources and increase available oil for recovery.

By developing a sustainable solution that allows up to 50,000 barrels per day of produced water for surface discharge, and another 75,000 barrels per day for steam generation, Veolia is helping Chevron minimize its environmental impact on water-stressed California by returning clean water to the aquifer recharge basins.

Want to learn more? Click here to read the full case study.

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