The 86 fields and discoveries in the central Mississippi Canyon, Atwater Valley, western DeSoto Canyon, and Lloyd Ridge protraction areas are summarized with production characteristics and representative seismic profiles and wire-line logs. Three trap styles are recognized: four-way closure, three-way closure, and stratigraphic. The reservoirs in nearly all of the fields are Neogene deep-water sandstones; four are in Upper Jurassic eolian sandstones. Development facilities include a variety of floating platforms and production units and subsea tiebacks.

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