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This book offers a practical guide to quantitative interpretation (QI) products for reservoir modelling and uncertainty analysis. Its content and format make it accessible to readers with and without a geophysical background.

Understanding the geological meaning, or meanings, of the seismic response can be challenging, especially in unexplored or under-appraised areas. It falls to geologists and reservoir modellers to integrate the seismic response and geological data into reservoir models, prospect evaluations and uncertainty analysis. The authors provide these end-users with a guide on how to extract the most value from QI products and incorporate them into reservoir models; further, they illustrate how to translate QI results into meaningful inputs for common, and not so common, modelling workflows.

After a concise and accessible introduction to rock physics, the book provides an overview of a range of inversion techniques used in the industry, and presents real-world examples capturing the highs and lows, benefits and limitations. This gives end-users the tools they need in order to play an active part in all stages of the QI workflow.

This book will benefit all geologists, reservoir modellers, technical professionals working in integrated sub-surface teams, and non-technical experts who need a sound grasp of QI techniques in order to evaluate commercial decisions based on their outputs. Advanced students of petroleum geology will also find this book of interest.

Seismic QI: An End-User's Guide

Introduction.- Rock Physics: The Basics.- Amplitude Variation with Offset and Inversion: The Basics.- Relative Inversion.- Simultaneous Inversion.- Stochastic Inversion.- Bibliography.