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Industry Article: Real-time Seismic Checkshots Reduce Exploration Drilling Risk

Real-time Seismic Checkshots Reduce Exploration Drilling Risk
Publication: Offshore
Publication Date: 04/01/2011

In this case study from offshore Malaysia, the seismicVISION seismic-while-drilling service was used to deliver real-time checkshot data while drilling into an over-pressured reservoir formation. The service provided reliable acoustic velocities that were used to regularly update the depth model derived from surface seismic imaging. This improved the accuracy of positioning the drill bit in the model, enabling increased confidence in drilling decisions. The recorded waveforms were also processed as a vertical seismic profile (VSP) to provide an improved seismic image and accurate tie at the well.




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