Rapid Assessment of 3D Seismic and Its Economic Impact

Abstract

TX 75083-3836, U.S.A., fax 01-972-952-9435. AbstractNew innovative approaches are now available that enable three dimensional (3D) seismic data to be rapidly screened, evaluated, and interpreted in a period of weeks, rather than months. This provides a quick and effective way to identify and define prospective targets to help optimize exploration and production (E&P) activities leading to a major impact on the net present value (NPV) of the field.The rapid seismic screening process identifies major structural and stratigraphic features, blends the major stratigraphic features with 3D attributes, and locates amplitude anomalies via 3D Voxel screening. This process applied to 3D data from the Gulf of Mexico has revealed numerous large undrilled structures in the deeper section below and adjacent to existing fields associated with sand-prone low-stand facies. This approach for screening 3D seismic data sets reduces the risks normally associated with conventional evaluation methods. Its use significantly reduces 3D seismic evaluation time and increases information quality, helping asset managers find and evaluate drilling opportunities quickly and accurately.Improvements on project economics through the use of this process are demonstrated in a number of economic impact analyses. Typical values of production, commodity prices, and costs from a Gulf of Mexico region are used in various cases to quantify the economic benefits of the rapid seismic screening process. The economic impact of this rapid seismic screening and interpretation approach can be clearly shown.