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Book Chapter

Reservoir Characterization

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Published:
January 01, 2004

Abstract

Several factors will cause oil and gas producers to focus increasingly on characterization of petroleum reservoirs in the near future. Experts predict that more than 95% of the world's oil production in the 21st century will come from existing fields. Recovery rates from present producing fields are often quite modest. Much less than 50% of available oil usually is produced from a reservoir. Moreover, there is still an insatiable thirst for oil and gas consumption among the world's population. Petroleum is also necessary for the production of many chemicals and plastics. All these factors impact the need for enhanced recovery of petroleum. Increased production will be made possible only through effective reservoir characterization.

Reservoir characterization is a multidisciplinary field that attempts to describe petroleum deposits and the nature of the rocks that contain hydrocarbons. Reservoir characterization relies on expertise from petroleum engineering, geology, and geophysics. The integration of information from these fields focuses on various aspects of the reservoir. The formation of reservoir-characterization teams requires the synergistic teamwork of engineers, geologists, and geophysicists. Books that describe this emerging science include those by Sheriff (1992) and by Gadallah (1994).

The fundamental goals of reservoir characterization are to determine the following:

  • presence of hydrocarbons

  • reservoir porosity

  • reservoir permeability

Several factors will cause oil and gas producers to focus increasingly on characterization of petroleum reservoirs in the near future. Experts predict that more than 95% of the world's oil production in the 21st century will come

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Contents

Geophysical Monograph Series

Fundamentals of Geophysical Interpretation

Laurence R. Lines
Laurence R. Lines
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Rachel T. Newrick
Rachel T. Newrick
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Society of Exploration Geophysicists
Volume
13
ISBN electronic:
9781560801726
Publication date:
January 01, 2004

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