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Oil and Gas from Fractures in the Austin Chalk
December 27, 2012 | United States Geological Survey

“The Upper Cretaceous Austin Chalk forms a low-permeability, onshore Gulf of Mexico reservoir that produces oil and gas from major fractures oriented parallel to the underlying Lower Cretaceous shelf edge. Horizontal drilling links these fracture systems to create an interconnected network that drains the reservoir.” Quoted from USGS Scientific Investigations Report 2012–5159.


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