Understand geochemical concept of origin and occurrence of petroleum. Describe its composition and classification of oil and gas. Identify source rock based on geochemical analysis. Understand correlation of source rock with subsurface hydrocarbon accumulation. Upon completion of this course, the learner will be able to: understand composition and classification of oil and gas, understand types of kerogen, generation, expulsion and migration of petroleum, describe principal tools and methods for evaluation of source rock, interpret source rock quality and maturity, and evaluate 1-D maturation model.