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Restoration and Balancing Software




For any given data constraints (field, well, seismic, remote sensing) virtually an infinite number of 2D and/or 3D interpretations can be made (with pencil and paper or the most advanced interpretation system), but the set of physically possible interpretations are far more limited. The tests for such physical plausibility derive from our knowledge of the processes which control sediment deposition, structural evolution, and hydrocarbon systems. Interpretations which can pass these tests may not be correct, but they are more likely to be so, and can be labeled with that highly sought appellation: Validated.

A validated interpretation is balanced, i.e., displays geometries analogous to observable structures and, if deformed by faulting and folding, can be restored to a geologically reasonable undeformed state. However, it must also be kinematically admissible, i.e., a geologically reasonable evolution of the structure can be demonstrated. Because restoration to an undeformed state is inherent in the validation definition, it should be an integral part of the interpretation process as well. Structural interpretation thus encompasses:

  • Integrating the full suite of available data constraints, including 2D/3D remote sensing, field, seismic, and well logs/picks/production information.

  • Constructing validated interpretations from these data, using depth conversion, horizon projection/interpolation and fault prediction algorithms, analytical fault/fold/sedimentation forward modeling, and interactive restoration with decompaction and isostatic adjustment. These construction techniques are applicable to contractional, extensional, strike-slip, and salt deformation regions, and include vertical/oblique slip, flexural slip, slip line, and, within LithoTect™, complex kinematic models.

  • Generating the interpretational spectrum or range of possible interpretations consistent with the data constraints.