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Presentations at the GCAGS (Gulf Coast Association of Geological Societies) Haynesville Shale Symposium underscored the great uncertainty about reservoir performance and resulting economic aspects of the play. While operators claim early success based on IP (Initial Production) rates and the impressive cumulative production of a few wells, my coauthor, Lynn Pittinger, and I are concerned about the extremely high decline rates and the lack of evidence for hyperbolic flattening seen for most wells.

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