USE OF GROUND-PENETRATING RADAR FOR 3-D SEDIMENTOLOGICAL CHARACTERIZATION OF CLASTIC RESERVOIR ANALOGS

Clastic reservoir analogs based on 2-D outcrop studies provide valuabl e definitions of geometric and petrophysical heterogeneities at interw ell scales. Integration of 3-D ground-penetrating radar (GPR) surveys with sedimentological and stratigraphic data provides information on t he internal heterogeneities of sedimentary sequences at scales that al low dissection of the 3-D anatomy of elastic depositional systems. Two 3-D GPR data volumes were acquired in the Ferron sandstone of east-ce ntral Utah, The data show prominent lenticular features, a variety of lithologies, and structural elements such as channels and shale drapes that match well with those seen at the same stratigraphic levels in a djacent cliff faces.