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"Turning to the Right" in the COGS (Columbus-Orinoco-Guyana-Suriname) Basins: Digging into their Gross Architecture, Filling and Hydrocarbon Generation Stories

Southeast Caribbean Research Symposium Presentation
AAPG Distinguished Lecture

Author(s): William Dickson (presenter), DIGs; Mark E. Odegard, GrizGeo LLC

This session's talks are concerned with multiple petroleum systems which locate in deformed and deforming containers. The COGS (Columbus-Orinoco-Guyana-Suriname region) container is roughly 1000 km long by 325 km wide. We illustrate its architecture with imagery from a 2020 compilation of potential field, depth and thickness data. Including the Demerara Plateau, COGS sub-containers are in places rather vaguely defined in the literature and their histories require further research. We offer a backdrop for this session's presentations by sketching progress in understanding basin formation and evolution; interaction with filling histories and conclude with examples of the resulting plays.


William Dickson, DIGs (Dickson Int'l Geosciences)

William earned a bachelor’s degree from the University of Manitoba.

He has more than 40 years of experience in the industry, working at majors and independents and, since 1998, at DIGs in Houston. He has worked frontier and producing basins around the Atlantic margins, EAME region, SE Asia & Canadian arctic and coordinated projects with subject matter experts across multiple disciplines. Peer-reviewed publications are primarily on petroleum systems analysis of Atlantic margin basins. Currently, as owner and VP Technology at DIGs, he is in charge of R&D, project coordination and fulfillment.

William is a member of AAPG, EAGE, SEG, SPE and local societies in Houston, England, SE Asia & Australia.

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