A type of geological structure that forms as a result of changes in the structure of the subsurface, due to tectonic, diapiric, gravitational and compactional processes and blocks the upward migration of hydrocarbons and potentially leading to the formation of a petroleum reservoir.
Represent the majority of the world's discovered petroleum resources.
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology
[ Source Rock ] [ Cap Rock ]