Download Seismic Exploration of Hydrocarbons in Heterogeneous by Jing Ba PDF

By Jing Ba

Seismic Exploration of Hydrocarbons in Heterogeneous Reservoirs: New Theories, equipment and purposes is predicated at the box examine performed over the last decade by way of an authoring crew of 5 of the world’s major geoscientists.

In fresh years, the exploration pursuits of worlds oil businesses became extra advanced. The direct detection of hydrocarbons in accordance with seismic wave info in heterogeneous oil/gas reservoirs has turn into a scorching spot within the learn of utilized and exploration geophysics. The correct theories, methods and functions, which the authors have labored on for years and feature verified mature technical methods for commercial program, are of important desiring to the extra learn and perform of engineers, researchers and scholars in similar quarter.

  • Authored by means of a group of geophysicists in and academia with a variety of box, guide, and learn event in hydrocarbon exploration
  • Nearly 2 hundred figures, pictures, and illustrations relief within the realizing of the basic techniques and techniques
  • Presents the newest study in wave propagation concept, unconventional assets, experimental learn, multi-component seismic processing and imaging, rock physics modeling and quantitative seismic interpretation
  • Sophisticated method of examine systematically varieties an commercial paintings circulate for geoscience and engineering practice

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Example text

The spatial domain over which the pressure diffusion process takes place is given by the diffusion wavelength λp = Dp ω . 7) Acoustics of Partially Saturated Rocks: Theory and Experiments Chapter | 3 49 The characteristic frequency associated with this pressure diffusion process is obtained from the resonance condition a = lp and yields to ωc ~ Dp a2 . 8) The different frequency regimes of WIFF are characterized by distinct P-wave VSRs. If the porous rock frame itself is homogeneous and saturation is spatially variable, for low- and high-frequencies, that is, w ≪ wc and w ≫ wc, exact bounds exist for the phase velocities.

8 Water-saturation maps at different imbibition stages, where dark blue represents full water saturation and dark red represents full gas (air) saturation. The saturation maps are constructed from the raw CT scans for the monitoring area. The size of the maps is 3 × 3 cm. The color bar indicates water saturation. 9 Fluid distribution characterization at different saturation levels using the normalized autocovariance function. extent to which properties at two points are correlated in the system and thus are a measure of the characteristic length scale of fluid patches.

56) Compared to the original BR theory, the reformulated LFF-governing equation is more reliable, since it takes into account the local-flow kinetic energy and the dissipation effects inside the inclusion. 22 displays an example by considering an “oil-in-water” doubleporosity model. It shows the velocity dispersion and attenuation as a function of frequency corresponding to the original BR theory and the reformulated BR theory. 22 Numerical example of the “oil-in-water” double-porosity model (water saturation is 95%).

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