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 High Pressure - - Migration - - Seal - - Gas generation rate exceeds dissipation rate into tight sands Migration is driven by the High pressure instead of buoyancy Source rock either active or has recently stopped (Sonnenberg 2017 and Camp 7 -0.6% Ro Oil Generation Window 1.3% Ro Gas Generation Window 2008)

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