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Determination of Porosity and Permeability out of Dispersion Analyses of Borehole Wall Displacements |
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| Authors: | Michael Albrecht Vladimir Mansurov |
| Institution: | (1) TBA Technology, 1696 E. 3300 S, Salt Lake City, Utah, 84106, U.S.A;(2) Siberian Aerospace State University, ``Krasnoyarskiy Rabochiy' Ave, Krasnoyarsk, 660014, Russia |
| Abstract: | Waves carried in the borehole can be measured by the use of controlled sources inside the borehole and receivers located in the same borehole as well. This article gives the theoretical background and develops a new method to determine rock-physical parameters out of such controlled measurements of waves carried inside the borehole. Theoretical dispersion curves of the group velocities are matched to dispersion analyses of registrations obtained in the borehole. This inversion process intends to determine the in situ porosity and permeability of the rock. |
| Keywords: | Porosity permeability borehole waves dispersion reservoir borehole tool |
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