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5 - Pore Networks and Pore Fluids

from Part I - Physical Properties of Unconventional Reservoirs

Published online by Cambridge University Press:  14 June 2019

Mark D. Zoback  and
Arjun H. Kohli
Mark D. Zoback
Affiliation:
Stanford University, California
Arjun H. Kohli
Affiliation:
Stanford University, California
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Summary

The pore networks of the rock matrix, and the pore fluids contained within it, determine the flow properties of unconventional reservoir rocks. Before examining the mechanisms and timescales of flow in Chapter 6, we will explore the characteristics of matrix pore networks, as well as the occurrence of in situ pore fluids and the flow properties of multiphase systems.

We first review the length scales relevant to pore networks and pore fluids in unconventional reservoirs, and discuss the sources of porosity in the rock matrix. We then address the issue of how to characterize and quantify matrix porosity and pore characteristics (size, shape and orientation). Through a detailed review of characterization methods, we explore how different methods may be validated by each other and/or combined for more complete coverage of length scales.

Type
Chapter
Information
Unconventional Reservoir Geomechanics
Shale Gas, Tight Oil, and Induced Seismicity
 , pp. 115 - 148
Publisher: Cambridge University Press
Print publication year: 2019

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