The potential of surface-modified silica nanoparticles for enhanced oil recovery under the basement reservoir conditions of the Bach Ho field
Abstract
Since the peak in 2002-2003, the annual production of Bach Ho - the largest oil field of Vietnam has decreased from more than 10 million tons to about 2 million tons. To ensure the production in the current decline period, studies and applications of technologies to enhance the oil recovery efficiency become critically urgent for the basement reservoirs that contribute the highest proportion to the output of Bach Ho field.
The paper focused on the potential application of nanotechnology in the enhanced oil recovery (EOR) for the Bach Ho field. The main experimental results of the nanofluid for EOR in which surface-modified nanosilica were combined with surfactants for the basement reservoir condition were also presented in this study.
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