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Abstract: To
enhance the resolution of hydrocarbon reservoir characterization, the deployment of
super-paramagnetic iron oxide nanoparticles (nMag) was investigated. In this work,
laboratory-scale experiments were performed to quantify the transport behavior of nMag
in various types of porous media under high-salinity conditions. Analysis of effluent
and solid phase concentration data indicat... read moreed that nMag exhibited a limited solid-phase
retention capacity, which was dependent upon grain size and pore-water velocity. The use
of polymers or surfactants injected either prior to, or with the nMag injection,
resulted in further enhancements in nMag mobility. This behavior was attributed to site
blocking, in which the surfactant or polymer, preferentially adsorbs onto the
attachments sites, thereby limiting nMag interactions with the solid phase. This work
provides experimental data that can be used to improve down-hole delivery of
nanomaterials for reservoir characterization, and support the development and validation
of predictive models for field-scale
applications.
Thesis (M.S.)--Tufts University,
2015.
Submitted to the Dept. of Civil
Engineering.
Advisor: Kurt
Pennell.
Committee: Linda Abriola, and Keith
Johnston.
Keywords: Nanoscience, Petroleum
engineering, and Environmental engineering.read less
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