... shale gas diachronic surface chronostratigraphic surface system tract high frequency sequence Reservoir Characterization Upstream Oil & Gas unit correspond desjardin pseudo along-strike well section sequence boundary condensed section bottomset organic-rich unit correspond clinoform...

... that are linked to their position within a sequence stratigraphic framework. Four distinct facies associations were identified: debrite, fine-grained turbidite, calciturbidite, and distal turbidite/hemipelagic. Debrites occur above sequence boundaries and represent episodic collapse of the adjacent carbonate...