Technology:

GeoTek Energy Looks to Field-test New Technology Later this Year (mywesttexas.com)

(Courtesy Geotek Energy)

GeoTek of Midland, Texas, bases their system, known as the Gravity Head Energy System (GHES), on the use of gravity instead of pumps to capture energy from hot underground water in a binary system.

The hot underground water still will flow to the surface in separate tubing from the heated working liquid. The water will then be reinjected in a well some distance away from the source well. The working liquid will be used to generate power, then recycled into the downhole heat exchanger.

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