Permeability extraction: A sonic log inversion
- Saudi Aramco, Dhahran (Saudi Arabia)
In this paper the authors provide the missing important link between permeability and acoustic velocities by generating a permeability-dependent synthetic sonic log in a carbonate reservoir. The computations are based on Akbar`s theory that relates wave velocity to frequency, rock properties (e.g., lithology, permeability, and porosity), and fluid saturation and properties (viscosity, density, and compressibility). An inverted analytical expression of the theory is used to extract permeability from sonic velocity. The synthetic sonic and the computed permeability are compared with the observed sonic log and with plug permeability, respectively. The results demonstrate, as predicted by theory, that permeability can be related directly to acoustic velocities.
- OSTI ID:
- 80219
- Report Number(s):
- CONF-941015--
- Country of Publication:
- United States
- Language:
- English
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