Molecular correlation of crude oils and oil components from reservoir rocks in the Tazhong and Tabei uplifts of the Tarim Basin, China

► 3/15 Tazhong Uplift oils correlate with Cambrian-Lower Ordovician source rocks. ► 12/15 Tazhong and 39 Tabei oils correlate with Middle-Upper Ordovician source rocks. ► Free, adsorbed and inclusion oils have been recovered and analyzed by GC and GC-MS.