Converted-wave elastic impedance and fluid identification factor in fractured reserviors
نویسندگان
چکیده
منابع مشابه
Shear-wave elastic impedance
impedance (AI) and a parameter related to shear-wave velocity from seismic data, our ability to discriminate between different lithologies and fluid phases will increase. Prestack inversion on individual CDP gathers and inverting directly for VP, VS, and density have been tested in several ways, but the estimated parameters are often poorly determined. A more robust approach is to apply poststa...
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In this thesis, we develop several methods for the delineation and analysis of anisotropic fractures in the subsurface. Our principal goal is to develop methods to use seismic data to infer fracture properties. In turn, we relate this information to the fluid flow properties of anisotropically fractured media. The first problem is to examine media with cracks oriented over a range of directions...
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This paper deals with the reflection and transmission of elastic waves from imperfect interface separating a micropolar elastic solid half-space and a fluid saturated porous solid half-space. Longitudinal and transverse waves impinge obliquely at the interface. Amplitude ratios of various reflected and transmitted waves are obtained and computed numerically for a specific model and results obta...
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Impedance matrices are obtained for radially inhomogeneous structures using the Stroh-like system of six first-order differential equations for the time-harmonic displacement-traction 6-vector. Particular attention is paid to the newly identified solid-cylinder impedance matrix Z(r) appropriate to cylinders with material at r = 0, and its limiting value at that point, the solid-cylinder impedan...
متن کاملElastic impedance
as partial offset volumes to exploit the AVO information in the data. However, there has been significant asymmetry in the way these volumes could be calibrated and inverted. The amplitudes of near-offset, or intercept, stacks relate to changes in acoustic impedance and can be tied to well logs using synthetics based on acoustic impedance (AI) or inverted, to some extent, back to AI using posts...
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ژورنال
عنوان ژورنال: ASEG Extended Abstracts
سال: 2010
ISSN: 2202-0586
DOI: 10.1081/22020586.2010.12041890