page_title: Petroleum trap
section_title: Hybrid trap
hierarchical_section_title: Petroleum trap / Hybrid trap
caption_attribution_description: English: Blue: source rock, yellow: reservoir rock, green: seal rock, red: hydrocarbons
context_page_description: In petroleum geology, a trap is a geological structure affecting the reservoir rock and caprock of a petroleum system allowing the accumulation of hydrocarbons in a reservoir. Traps can be of two types: stratigraphic or structural. Structural traps are the most important type of trap as they represent the majority of the world's discovered petroleum resources.
context_section_description: Hybrid traps are the combination of two types of traps. In the case of tilted blocks, the initial reservoir geometry is the one of a fault-controlled structural trap but the caprock is generally made by the draping sedimentation of mudstones during the oceanisation process.
caption: Hybrid trap formed by the mudtsone drapping of tilted blocks
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