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Keywords: nanoparticle concentration
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-217481-STU
... methods concentration nanoparticle concentration artificial intelligence stability foam stability breakthrough efficiency united states government flow in porous media enhanced recovery co 2 surfactant half-life miscible method nanoparticle experiment nanofoam reservoir silica...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206112-MS
... PEG grafting density, diameter, and zeta potential. To generate oil-in-water emulsions, we sonicated dispersions of variable nanoparticle concentration and decane in equal volumes. We imaged the emulsions with microscopy and centrifuged them for 15 minutes at 5000 g of acceleration, using the volume...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196192-MS
... Dynamics silica nanoparticle enhanced recovery microfluidic chip substrate nanoparticle Brine thin water film wettability alteration substrate soaked flow in porous media roughness nanoparticle concentration nanofluid nanoparticle adsorption injection Introduction Nanoparticles have...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181285-MS
... ) Hence, the maximum retention concentration of nanoparticles turns to a function of the injected nanoparticles concentration. We assume the detachment of nanoparticles from pore surface occurs instantly due to the abrupt changes of nanoparticle concentration. Thus, we reconsider the mass balance equation...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170800-MS
... Viscosity Reducer Prepared by blending 1.5% wt. industrial viscosity reducer with 2% NaCl brine and adding the mixture to 250 ml heavy oil. Details of the fluids tested are presented in Table A-1 . Table A-1 Test Matrix Fluid System Copper-Oxide Nanoparticles Concentration, %wt...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166072-MS
... as a diverting agent during CO 2 -EOR, and improve sweep efficiency. upstream oil & gas water iso-octane emulsion emulsion system emulsion nanoparticle concentration enhanced recovery silica nanoparticle experiment nanoparticle emulsion viscosity emulsion height percentage foam oil recovery...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166319-MS
... with foam diverts CO 2 into lower permeability regions that still contain unswept oil. enhanced recovery worthen co 2 chemical flooding methods concentration nanoparticle concentration upstream oil & gas silica nanoparticle surfactant threshold shear rate nanoparticle foam critical...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-124418-MS
... tracers). Effluent nanoparticle concentration histories show breakthroughs later than 1 PV injected, plateau concentrations less than the injected value, and long tails. Longer elution times occur in samples with greater specific surface area. This set of observations is consistent with weak, reversible...

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