Elastic-Plastic Compaction of Geopressured Sandstone

The economic development of United States Gulf Coast geopressured-geothermal energy resources depends in part upon an improved understanding of reservoir rock response to long-term aquifer production. Although field experiments have shown that rock mechanical response can significantly influence wel...

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Bibliographic Details
Published in:Journal of energy resources technology 1991-03, Vol.113 (1), p.57-61
Main Author: Fahrenthold, E. P
Format: Article
Language:English
Subjects:
150200 - Geology & Hydrology of Geothermal Systems
ELASTICITY
ENERGY SYSTEMS
EXPLORATION
GEOPHYSICS
GEOPRESSURED SYSTEMS
GEOTHERMAL ENERGY
GEOTHERMAL EXPLORATION
GEOTHERMAL SYSTEMS
MECHANICAL PROPERTIES
PLASTICITY
PRESSURE EFFECTS
RESERVOIR ROCK
ROCKS
SANDSTONES
SEDIMENTARY ROCKS
TENSILE PROPERTIES
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Summary:The economic development of United States Gulf Coast geopressured-geothermal energy resources depends in part upon an improved understanding of reservoir rock response to long-term aquifer production. Although field experiments have shown that rock mechanical response can significantly influence well production rates and that sand production problems can prevent efficient reservoir depletion, the absence of general reservoir rock models has hindered analytical studies of such problems. This paper provides experimental property measurements and a three-dimensional elastic-plastic constitutive model for sandstone cored from the most active Gulf Coast geopressured well currently in operation.
ISSN:0195-0738
1528-8994
DOI:10.1115/1.2905780