We specialize in R&D and manufacturing of advanced Well Logging, Measure-While-Drilling, and Mud Logging equipment. Presently ... , we possess more than 120 patents. Integrating R&D, manufacturing, and service, we are becoming a professional oilfield service company providing products and services to IOC (International Oil Company) and NOC (National Oil Company). We are successively launching new technology such as high-resolution and rapid logging platform (GeoExpress Pro System), imaging logging series, formation tester series, casing corrosion testing series, production logging series, through bit logging series, high-temperature slim hole logging series, special logging products, etc. read more