Origin of Oil THE ROCK CYCLE PETROLEUM SYSTEMS AND ELEMENTS OF PETROLEUM GEOLOGY Source Rock Hydrocarbon Generation HOW IS PETROLEUM FORMED? Rich Petroleum Source Rocks Accumulation in reservoir beds Depositional environments How does oil impact marine life? Petroleum exploration The Goal of Geophysical Exploration Methods Petroleum geochemistry Drilling Methods Used in Oil and Gas Exploration Well planning Petroleum Traps Stratigraphic Traps Core sample Well logging How Does Logging-While-Drilling (LWD) Work? Mud logging Formation evaluation Spontaneous potential logging Gamma ray logs Openhole caliper logs Density Logging Neutron porosity logs Acoustic logging Resistivity logging Drilling Technologies Drilling fluid