Industry Article: LWD Tool Provides Reliable Shear Slowness Measurements

LWD tool provides reliable shear slowness measurements
Publication: E&P
Publication Date: 06/01/2011

Eni E&P used the SonicScope multipole sonic-while-drilling service to deliver robust real-time compressional data for pore pressure monitoring in a Gulf of Mexico deepwater well where, because of low formation shear slowness, monopole shear measurements were only possible in limited depth intervals. Recorded compressional and shear data were used to calibrate surface seismic data processing and analysis; and help compute the mechanical earth model (MEM) to assist completions design. The while-tripping mode was used for top-of-cement (TOC) evaluation.

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