About the Author
Colin Sayers is a scientific advisor in the Schlumberger Data & Consulting Services Geomechanics Group in Houston, Texas, providing consultancy in geophysics, rock physics, drilling and reservoir geomechanics, and characterization of fractured reservoirs. He joined Shell's Exploration and Production Laboratory in Rijswijk, the Netherlands, in 1986 and moved to Schlumberger in 1991. His technical interests also include pore-pressure prediction, analysis of wellbore stability, analysis of production-induced reservoir stress changes, subsidence, fault reactivation, 3D mechanical earth modeling, sanding, fractured reservoir evaluation, borehole/seismic integration, stress-dependent acoustics, advanced sonic logging, AVAZ, and fluid flow in fractured reservoirs.
Sayers is a member of AGU, EAGE, SEG, and SPE, the SEG Research Committee, and the editorial boards of The Leading Edge and the International Journal of Rock Mechanics and Mining Science. He has a B.A. in physics from the University of Lancaster, U. K., and a D.I.C. in mathematical physics and Ph.D. in physics, both from Imperial College, London, U. K. He has published numerous papers and holds several patents.
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