Validation study of water weakening research from outcrop chalks performed on Eldfisk reservoir cores
Journal of Petroleum Science and Engineering(2021)
Abstract
Seawater injection for Enhanced Oil Recovery (EOR) purposes can increase the hydrocarbon recovery factor in carbonate reservoirs but are also responsible for weakening their mechanical strength. This study investigates the geomechanical behavior of oil-bearing reservoir chalk subject to reactive flow at reservoir conditions. The obtained results are compared with previous results from experiments on water-saturated outcrop chalks.
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Key words
Reservoir chalk,Waterflooding,Enhanced oil recovery,Creep compaction,Testing at reservoir conditions
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