Corex - Provides services to the oil and gas industry specializing in formation damage, conventional core analysis, special core analysis and geological services. Also supplies a range of equipment and products for geological sample analysis. K/T GeoServices, Inc. - X-ray diffraction (XRD)analysis for clay mineralogy and bulk mineralogy for rocks, sediments and corrosion products. Scanning electron microscope (SEM)analysis. Stable Isotope Analysis from Iso-Analytical - Stable isotope testing laboratory for the oil and gas exploration industry. Deuterium analysis for core water tracing is a speciality. Colorado School of Mines Center for Rock Abuse - Research, consulting and courses in reservoir rock and fluid properties. Weatherford Laboratories - Specializes in rock and fluid analysis for the purpose of evaluating hydrocarbon resources around the world. Based in Humble, Texas, USA. West Texas Wellsite - Provides on-site geological analysts and mobile mudlogging units for logging hydrocarbon, geological, gamma and drilling parameters in natural gas and oil wells.