Operators now have access to rigsite chemostratigraphy (chemical stratigraphy) to provide timely information for formation evaluation, picking formation tops, and identifying horizons for coring or ...

Formation testing and sampling tools with wireline (WFT) and formation pressures and sampling while-drilling (FPWD/FSWD) are widely used in exploration/appraisal and field development projects. During ...

China Oilfield Services Limited (COSL), a company under China National Offshore Oil Corp., (CNOOC), has recently developed a Formation Evaluation Tool (FET), a kind of stratum evaluation equipment ...