Part of Geology, one of the fundamental areas of Field Study & Modelling and one of the Subsurface E&P Disciplines, related to the locations of the subsurface extractable hydrocarbon deposits with the major concern on the following seven elements in sedimentary basins:
| Source Rock | Reservoir | Seal | Trap | Timing | Maturation | Fluid migration | Petroleum reservoir |
As part of Geology the Petroleum Geology develops its analysis over the study of Depositional facies and Lithological facies.