Reservoir Characterization Project: Basin-Centered Gas Accumulation

BCGA - Characteristics WATER Conventional structural gas accumulation Shale Oil Tight Oil Tight Gas Shale Gas Oil Shale Bituminous Sand/Heavy Oil Conventional structural oil accumulation Coalbed gas or Conventional stratigraphic oil accumulation Conventional stratigraphic gas Shallow Biogenic Methane accumulation WATER Shale Gas Tight Gas Overpressured Cell (Modified from Sonnenberg, 2017) Tens of miles RCP In pursuit of new ideas Inverted System: Water over gas The gas pushes free water above high pressure zone Low SW. Just irreducible water remains High Pressure (Sonnenberg 2017 and Camp 2008) -0.6% Ro Oil Generation Window 1.3% Ro Gas Generation Window

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