Reports: ND551803-ND5: Role of Drainage Channels on Lubrication Forces
Joelle Frechette, Johns Hopkins University
The ACS-PRF grant (type ND) has helped support two separate projects over the last year. The focus of the first project is to understand the adsorption of nanoparticles to the oil-water interface. The goal of the second project was to understand the role of interconnected vertical channels on the fluid pressure necessary to separate (move) two surfaces. Both projects are relevant to the petroleum industry. For the first one, nanoparticles at fluid interfaces are important for oil recovery and, more generally, for transport in porous media. The second project has direct implications to hydrofracturing. The ACS-PRF-supported work has led to additional funding from the Office of Naval Research, and the National Science Foundation, as well as a long-term collaboration with another faculty. Additionally, three additional manuscripts are will soon be submitted reporting on the finding of the work supported by this grant.
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Rock masses contain
complex and interconnected fracture networks, which are important for oil recovery,
groundwater resources, and the generation of power from geothermal sources.[5] Hydrofracture is a practice
in which fluid pressure causes the initiation or propagation of a crack in a
reservoir.