Lithological architecture, geological processes and energy-field environments are major factors for the formation of hydrocarbon reservoirs

摘要

The formation of hydrocarbon reservoirs is controlled by three major factors; lithological architecture, geological processes and energy-field environments. Among the three major factors, lithological architecture provides the storing medium for hydrocarbon; geological processes include hydrocarbon generation, migration, accumulation, preservation and modification; and energy-field environments refer to the various geothermal and geodynarnic forces that affect the lithological architecture and drivethe geological processes. In this study, we take Kela-2 and Sulige gas reservoirs as two examples to study relationships among the three major factors, and explain how these factors influence the scale and quality of hydrocarbon reservoirs.