Rock Physics Templates and Anisotropy

Prajapati, S. and Liu, C. and Ghosh, D. (2019) Rock Physics Templates and Anisotropy. In: UNSPECIFIED.

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Abstract

A rock physics study is an important tool for the reservoir�s characterization. In this paper, we created a rock physics template for the anisotropic sand-shale interval as a function of porosity, impedance as variable parameters. These templates are basically cross-plots of acoustic impedance versus P-to S velocity ratio on vertical well-log from SE Asia. We have also estimated the effective anisotropy and Thomsen parameters and performed the AVO trend using the rock physics template. Due to the interbedded sequence of sand and shale with varying internal structure and constituents, the existence of anisotropy in the reservoir, AVO analysis is extremely challenging. We can clearly see how the reservoir properties changes due to the presence of anisotropy. © 2019 SEG

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: cited By 0; Conference of Society of Exploration Geophysicists International Exposition and 89th Annual Meeting, SEG 2019 ; Conference Date: 15 September 2019 Through 20 September 2019; Conference Code:175272
Uncontrolled Keywords: Acoustic impedance; Shale; Well logging, Anisotropy parameters; Effective anisotropy; Rock physics; S velocity; SE Asia; Thomsen parameter; Variable-parameters; Velocity ratio; Vertical wells; Well logs, Anisotropy
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 10 Nov 2023 03:25
Last Modified: 10 Nov 2023 03:25
URI: https://khub.utp.edu.my/scholars/id/eprint/11395

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