Stephen J. Johnson
Stephen J. Johnson
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Mechanistic study of wettability alteration using surfactants with applications in naturally fractured reservoirs
M Salehi, SJ Johnson, JT Liang
Langmuir 24 (24), 14099-14107, 2008
Contribution of anaerobic microbial activity to natural attenuation of benzene in groundwater
SJ Johnson, KJ Woolhouse, H Prommer, DA Barry, N Christofi
Engineering Geology 70 (3-4), 343-349, 2003
Delayed HPAM gelation via transient sequestration of chromium in polyelectrolyte complex nanoparticles
M Cordova, M Cheng, J Trejo, SJ Johnson, GP Willhite, JT Liang, ...
Macromolecules 41 (12), 4398-4404, 2008
Fracturing fluid cleanup by controlled release of enzymes from polyelectrolyte complex nanoparticles
R Barati, SJ Johnson, S McCool, DW Green, GP Willhite, JT Liang
Journal of Applied Polymer Science 121 (3), 1292-1298, 2011
Polyelectrolyte complex nanoparticles for protection and delayed release of enzymes in alkaline pH and at elevated temperature during hydraulic fracturing of oil wells
R Barati, SJ Johnson, S McCool, DW Green, GP Willhite, JT Liang
Journal of Applied Polymer Science 126 (2), 587-592, 2012
Effects of divalent cations, seawater, and formation brine on positively charged polyethylenimine/dextran sulfate/chromium (III) polyelectrolyte complexes and partially …
S Johnson, J Trejo, M Veisi, GP Willhite, JT Liang, C Berkland
Journal of Applied Polymer Science 115 (2), 1008-1014, 2010
Enhanced wettability alteration by surfactants with multiple hydrophilic moieties
M Salehi, SJ Johnson, JT Liang
Journal of Surfactants and Detergents 13, 243-246, 2010
Enzymatic degradation of polyacrylamide in aqueous solution with peroxidase and H2O2
WJR Gilbert, SJ Johnson, JS Tsau, JT Liang, AM Scurto
Journal of Applied Polymer Science 134 (10), 2017
Potential for anaerobic biodegradation of linear alkylbenzene cable oils: literature review and preliminary investigation
SJ Johnson, DA Barry, N Christofi, D Patel
Land Contamination & Reclamation 9 (3), 279-291, 2001
Polyelectrolyte Complex Stabilized CO2 Foam Systems for Hydraulic Fracturing Application
R Anandan, S Johnson, R Barati
SPE Liquids-Rich Basins Conference-North America, D021S007R004, 2017
Wettability alteration of carbonate rock mediated by biosurfactant produced from high-starch agricultural effluents
M Salehi, S Johnson, JT Liang, S Fox, G Bala
9th International Wettability Symposium, 2006
Controlled release of poly (vinyl sulfonate) scale inhibitor to extend reservoir treatment lifetime
M Veisi, S Johnson, K Shafer‐Peltier, JT Liang, C Berkland, M Chen, ...
Journal of Applied Polymer Science 136 (12), 47225, 2019
Application of polyelectrolyte complex nanoparticles to increase the lifetime of poly vinyl sulfonate scale inhibitor
M Veisi, S Johnson, K Peltier, C Berkland, JT Liang, R Barati
SPE International Conference and Exhibition on Formation Damage Control …, 2018
Using biosurfactants produced from agriculture process waste streams to improve oil recovery in fractured carbonate reservoirs
SJ Johnson, M Salehi, KF Eisert, JT Liang, GA Bala, SL Fox
International Symposium on Oilfield Chemistry, 2007
Acute Toxicity of Linear Alkylbenzene to Caenorhabditis elegans Maupas, 1900 in Soil
SJ Johnson, M Castan, L Proudfoot, DA Barry, N Christofi
Bulletin of environmental contamination and toxicology 79, 41-44, 2007
Microbial degradation of linear alkylbenzene cable oil in soil and aqueous culture under aerobic and anaerobic conditions
SJ Johnson
University of Edinburgh, 2004
Polyelectrolyte complex nanoparticles to entrap enzymes for hydraulic fracturing fluid cleanup
SJ Johnson, R Barati, S McCool, DW Green, GP Willhite, JT Liang
Papers of the American Chemical Society, 2011
Low molecular weight polyacrylates for EOR
SJ Johnson, C Berkland, A Moradi-Araghi, JT Liang, TM Christian, ...
US Patent 11,034,883, 2021
Anaerobic biodegradation of linear alkylbenzene: isomeric ratio as a monitoring tool
SJ Johnson, DA Barry, N Christofi
Land Contamination & Reclamation 15 (2), 235-242, 2007
Monitoring and control of in situ bioremediation of soil contaminated with cable oil
SJ Johnson
MSc Thesis) IBST, Cranfield University, 2000
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