Geophysics Under Stress: Geomechanical Applications of Seismic and Borehole Acoustic Waves (SEG Distinguished Instructor Series No. 13) provides an overview of the sensitivity of elastic waves in the earth to in situ stress, pore pressure, and the anisotropy of the rock fabric resulting from the depositional and stress history of the rock and introduces several of the applications of that sensitivity. A variety of applications and real data examples is presented, and particular emphasis is placed on the rock-physics basis underlying the use of geophysical data for solving geomechanical problems. The book, which accompanies the 2010 SEG/EAGE Distinguished Instructor Short Course, provides the basis for applying geophysics and rock-physics solutions to geomechanical challenges in exploration, drilling, and production and is aimed at a broad range of geoscientists and engineers who work in the petroleum industry. The integrated nature of the material makes the book suitable for individuals from all subsurface disciplines, including geophysics, geomechanics, rock physics, petrophysics, geology, and geomodeling as well as drilling engineering, reservoir engineering, and petroleum engineering.
Keywords: elastic, seismic, borehole geophysics, acoustic, pore pressure, time-lapse, 4D, fractures
The state of stress within the earth has a profound effect on the propagation of seismic and borehole acoustic waves, and that leads to many important applications of elastic waves for solving problems in petroleum geomechanics. The purpose of this SEG/EAGE Distinguished Instructor Short Course is to provide an overview of the sensitivity of elastic waves in the earth to the in situ stress, pore pressure, and anisotropy of the rock fabric resulting from the depositional and stress history of the rock and to introduce some of the applications of that sensitivity. A variety of applications and real data examples is presented, and particular emphasis is placed on the rock-physics basis that underlies the use of geophysical data for solving geomechanical problems.
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