George J. Hirasaki

NMR properties of petroleum reservoir fluids.

Enhanced characterization of oilfield emulsions via NMR diffusion and transverse relaxation experiments.

Water in oil emulsion droplet size characterization using a pulsed field gradient with diffusion editing (PFG-DE) NMR technique.

NMR measurement of bitumen at different temperatures.

Wettability control and patterning of PDMS using UV-ozone and water immersion.

Adsorption of cationic and anionic surfactants on natural and synthetic carbonate materials.

Visualizing oil displacement with foam in a microfluidic device with permeability contrast.

Improved methylene blue two-phase titration method for determining cationic surfactant concentration in high-salinity brine.

Phase behavior and interfacial properties of a switchable ethoxylated amine surfactant at high temperature and effects on CO2-in-water foams.

Role of Gas Type on Foam Transport in Porous Media.

Static Adsorption of an Ethoxylated Nonionic Surfactant on Carbonate Minerals.

Molecular dynamics simulations of NMR relaxation and diffusion of bulk hydrocarbons and water.

Modeling micelle formation and interfacial properties with iSAFT classical density functional theory.

Surface complexation modeling of calcite zeta potential measurements in brines with mixed potential determining ions (Ca2+, CO32-, Mg2+, SO42-) for characterizing carbonate wettability.

Destabilization, Propagation, and Generation of Surfactant-Stabilized Foam during Crude Oil Displacement in Heterogeneous Model Porous Media.

Characterizing adsorption of associating surfactants on carbonates surfaces.