Microseismic Data-Processing System

Schlumberger has introduced a new moment-tensor-inversion service that provides enhanced analysis of the dynamics of hydraulic-fracture propagation. This service helps improve well-completion designs through an increased understanding of natural- and induced-fracture characterization in oil and gas reservoirs. When applied in unconventional reservoirs, the moment-tensor-inversion service provides information about the orientation, volume, and proppant placement associated with the hydraulic fracture. The proprietary processing used in the moment-tensor-inversion service accounts for anisotropy. As the microseismic-monitoring industry moves toward quantitative source inversion, the rigorous incorporation of anisotropy in unconventional-reservoir models becomes more important to accurately process and interpret the valuable information contained in microseismic signals. The moment-tensor-inversion service has been field tested on microseismic projects in North America. Analyses of moment-tensor-inversion processing during field trials in the Permian Basin confirm that the incorporation of anisotropy leads to improved interpretation of microseismic data and to more-robust geomechanical models.

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Schlumberger’s moment-tensor-inversion service.



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