Chevron starts California demo of solar-to-steam enhanced recovery

Chevron's solar-to-steam EOR project covers 65 acres and includes 3,822 heliostats and a 327-ft tower. Photo from Chevron. Chevron Corp. has started generating steam from its solar-to-steam demonstration project for enhancing oil recovery at the heavy oil Coalinga field in Kern County, Calif. The project includes 3,822 heliostats, which are mirror systems consisting of two 10 ft by 7-ft mirrors mounted to a 6-ft steel pole. Each heliostat tracks the sun on two axes and directs the sun's rays to a receiver on top of a 327-ft tower. The rays heat water in a boiler on top of the tower to generate steam in a closed process loop. Heat from the process loop then circulates through a hea...

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