Variability and Main Controlling Factors of Hydrocarbon Migration and Accumulation in the Lower Paleozoic Carbonate Rocks of the Tazhong Uplift, the Tarim Basin, Northwest China

Figure 7

Yurtusi Formation of the Lower Cambrian Series and fault distribution on the periphery of the Tazhong Uplift. The depocenter of the source rocks of the Yuertusi Formation is located in the Manjiar Sag. Only the western region of the Tazhong Uplift contains source rocks, and the central and eastern regions show no source rocks. Two types of pathway systems (inside and outside the source rock) are identified.