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petroleum trap
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Cross-sectional diagram showing three principal types of petroleum traps: an anticline trap with oil and gas beneath a cap rock, a fault trap where gas accumulates along a fault line, and a stratigraphic trap where gas is trapped in permeable limestone beneath impermeable rock layers. Labels identify geological features and fluid locations. petroleum trap

petroleum trap: References & Edit History

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    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Add new Web site: State of Louisiana - Department of Natural Resources - Reservoir Traps. Jan 25, 2022
Description of trap types clarified. Feb 15, 2012
Diagram of major petroleum trap types added. Feb 15, 2012
Add new Web site: The Franklin Institute Online - Petroleum Traps. Dec 07, 2010
Article added to new online database. Jul 20, 1998
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