2-D and 3-D VSP Interpretation: Blackfoot Field, Alberta

Robert R. Stewart and Qi Zhang

ABSTRACT

A thorough suite of borehole seismic surveys have been conducted in the Blackfoot field, southern Alberta. The surveys consisted of two zero-offset VSP surveys and one deviated-well survey. In addition, a novel 3-D VSP was also conducted by downhole recording of the shots used in a 3-D surface seismic survey. The correlation among the VSP surveys is very good and unambiguously matches the surface seismic data. The VSP data show some evidence of multipathing and complexity in the top of the Mississippian.

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