Article Photos: Oklahoma City-based SandRidge, other energy companies look to use natural gas in field 1/1

SandRidge Energy Inc. will test systems that provide electrical power from natural gas at one of its well sites in northern Oklahoma. The test with Green Field Energy Services Inc. is expected to be conducted by the end of the year at a site like this one near Medford, as seen in October. Photo by David McDaniel, The Oklahoman archives