Press September 2018 Koltek Energy Services Geo Steering Technology Maximizes Oilfield Production July 2018 Location Magazine Oklahoma January 2018 Koltek Energy Services Opens Oilfield Testing Facility in Northeastern Oklahoma January 2018 Koltek Energy Services Opens Oilfield Testing Facility in Northeastern Oklahoma April 2018 Energy firm helps oil field research and development grow at its Oklahoma location April 2018 Energy firm helps oil field research and development grow at its Oklahoma location
