Profile: HRH Geological Services is an oil field service company specializing in the supply of geological products and services to the petroleum industry. Our tools include geologists, training, geological software, gas and drilling instrumentation as well as log drawing bureau service. We provide solutions to the acquisition and graphical representation of geological data. Our Drilgas® is a gas detection system for the driller specifically designed for continuous, long term stand-alone detection of both total hydrocarbons and H2S.