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Book Chapter

Screening Criteria and Technology Sequencing for In-situ Viscous Oil Production

By
Maurice B. Dusseault
Maurice B. Dusseault
Department of Earth and Environmental Sciences, University of Waterloo, 200 University Ave. West, Waterloo, Ontario, N2L 3G1, Canada (e-mail: mauriced@uwaterloo.ca)
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Published:
January 01, 2013

Abstract

On a worldwide basis, approximately 70 to 80% of the 9 to 10 trillion bbl original oil in place of viscous oil reserves (in-situ u > 100 cp) occur in unconsolidated sandstones, with high porosity and permeability. The remaining viscous oil reservoirs are hosted within fractured carbonates. Both types of viscous oil reservoirs are characterized by highly variable in-situ reservoir conditions. Different technologies are best for different lithostratigraphic and geometric conditions. New and emerging production and drilling technologies (i.e., horizontal wells, multilaterals, logging while drilling, and others), along with production-technology sequencing, allow tailoring of the drilling and production schemes to each specific reservoir considering the inherent geologic variability of these unconventional reservoirs. Geotailoring for viscous oil production generates a need for geoscience and engineering screening criteria.

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Contents

AAPG Studies in Geology

Heavy-oil and Oil-sand Petroleum Systems in Alberta and Beyond

Frances J. Hein
Frances J. Hein
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Dale Leckie
Dale Leckie
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Steve Larter
Steve Larter
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John R. Suter
John R. Suter
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American Association of Petroleum Geologists
Volume
64
ISBN electronic:
9781629812649
Publication date:
January 01, 2013

GeoRef

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