Distinguished Instructor Short Course

The SEG Distinguished Instructor Short Course (DISC) is an eight-hour, one-day short course on a topic of current and wide-spread interest. The SEG DISC is presented at over 25 locations each year around the world.

Current DISC

3C Seismic and VSP: Converted Waves and Vector Wavefield Applications

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3C seismic applications provide enhanced rock property characterization of the reservoir that can complement P-wave methods. The continued interest in converted P- to S-waves (PS-waves) and vertical seismic profiles (VSPs) has resulted in the steady development of advanced vector wavefield techniques. Shear waves are coupled with P-waves, and although they do not respond to fluid properties of the medium they are nevertheless very sensitive to anisotropy and provide direct estimates of shear moduli (rigidities).  When the full elastic response is recorded in a VSP survey, vertical components of the wavefield are obtained to calibrate surface 3C seismic data in depth. PS-wave images along with VSP data can be used to help P-wave interpretation of structure in gas obscured zones, of S-wave impedance and density characterization in unconventional reservoirs for lithology and elastic property discrimination, and of fracture characterization and stress monitoring from S-wave birefringence analysis.

DISC Archive

2012 DISC

Elements of Seismic Dispersion: A somewhat practical guide to frequency-dependent phenomena

2010 DISC

Geomechanical applications of seismic and borehole acoustic waves

2011 DISC

Seismic Acquisition from Yesterday to Tomorrow

2015 DISC

Engineering Seismology with Applications to Geotechnical Engineering

2014 DISC

Microseismic Imaging of Hydraulic Fracturing: Improved Engineering of Unconventional Shale Reservoirs

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