| Preface |
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xiii | |
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1 Introduction to Electrokinetics |
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1 | (32) |
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1.1 Factors Influencing Electrokinetic Phenomena |
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2 | (1) |
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1.2 Zeta Potential and the Electric Double Layer Interaction |
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3 | (5) |
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8 | (1) |
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1.4 Combined Flow Rate Equation |
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9 | (2) |
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11 | (2) |
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1.6 Use of Electrokinetics for Stabilization of Week Grounds |
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13 | (1) |
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1.7 Bioelectroremediation |
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14 | (2) |
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1.8 Electrical Enhanced Oil Recovery (EEOR) |
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16 | (2) |
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1.9 Improving Acidizing of Carbonates |
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18 | (2) |
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1.10 Economic Feasibility |
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20 | (2) |
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1.11 Releasing Stuck Drillpipe |
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22 | (1) |
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23 | (10) |
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24 | (9) |
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2 Reduction of Contaminants In Soil and Water By Direct Electric Current |
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33 | (70) |
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33 | (1) |
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2.2 Overview of Direct Electric Current in Subsurface Environmental Mitigation |
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34 | (20) |
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2.2.1 Theoretical Considerations: Transport of Charged Species - Electromigration |
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35 | (19) |
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2.2.2 Theoretical Considerations: Transport of Water and Its Constituents - Electroosmosis |
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38 | (5) |
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2.2.3 Theoretical Considerations: Mathematical Modeling of Transport |
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43 | (6) |
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2.2.4 Theoretical Considerations: Electrochemical Transformations |
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49 | (5) |
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2.3 Electrokinetically-Aided Environmental Mitigation |
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54 | (29) |
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2.3.1 Electrokinetially-Aided Separation and Extraction |
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56 | (18) |
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2.3.2 Electrokinetially-Aided Stabilization and Immobilization |
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74 | (7) |
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2.3.3 Electrokinetially-Aided Containment |
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81 | (2) |
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2.4 Transport and Extraction of Crude Oil |
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83 | (9) |
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2.4.1 Laboratory Evidence of Oil Extraction |
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83 | (3) |
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2.4.2 Field Evidence of Oil Extraction |
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86 | (3) |
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2.4.3 Laboratory Evidence of Oil Transformation |
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89 | (3) |
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2.5 Summary and Conclusions |
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92 | (11) |
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94 | (9) |
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3 Application of Electrokinetics for Enhanced Oil Recovery |
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103 | (54) |
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103 | (2) |
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3.2 Petroleum Reservoirs, Properties, Reserves, and Recoveries |
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105 | (2) |
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3.2.1 Petroleum Reservoirs |
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106 | (1) |
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106 | (1) |
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3.2.3 Reservoir Saturations |
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106 | (1) |
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107 | (1) |
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3.2.5 Primary Oil Production and Water Cut |
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107 | (1) |
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3.3 Relative Permeability and Residual Saturation |
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107 | (2) |
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3.4 Enhanced Oil Recovery |
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109 | (1) |
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3.5 Electrokinetically Enhanced Oil Recovery |
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110 | (2) |
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3.5.1 Historical Background |
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110 | (1) |
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3.5.2 Geotechnical and Environmental Electrokinetic Applications |
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111 | (1) |
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3.5.3 Direct Current Electrokinetically Enhanced Oil Recovery |
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112 | (1) |
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3.6 DCEOR and Energy Storage |
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112 | (3) |
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3.6.1 Mesoscopic Polarization Model |
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114 | (1) |
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3.7 Electro-chemical Basis for DCEOR |
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115 | (4) |
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3.7.1 Coupled Flows and Onsager's Principle |
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115 | (2) |
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117 | (1) |
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118 | (1) |
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118 | (1) |
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118 | (1) |
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3.7.6 Electrochemically Enhanced Reactions |
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118 | (1) |
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3.8 Role of the Helmholtz Double Layer |
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119 | (7) |
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3.8.1 Dissociation of Ionic Salts |
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119 | (1) |
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119 | (2) |
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3.8.3 Phillosilicates and Clay Minerals |
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121 | (1) |
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3.8.4 Cation Exchange Capacity |
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122 | (1) |
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3.8.5 Electrochemistry of the Double Layer |
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123 | (3) |
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3.9 DCEOR Field Operations |
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126 | (6) |
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3.9.1 Three-Dimensional Current Flow Ramifications |
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128 | (1) |
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3.9.2 Electric Field Mapping |
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129 | (1) |
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3.9.3 Joule Heating and Energy Loss |
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129 | (1) |
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3.9.4 Comparison of DC vs. AC Electrical Transmission Power Loss |
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130 | (2) |
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3.10 DCEOR Field Demonstrations |
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132 | (6) |
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3.10.1 Santa Maria Basin (California, USA) DCEOR Field Demonstration |
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133 | (3) |
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3.10.2 Lloydminster Heavy Oil Belt (Alberta, Canada) DCEOR Field Demonstration |
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136 | (1) |
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3.10.3 Golfo San Jorge Basin (Santa Cruz, Argentina) DCEOR Field Demonstration |
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137 | (1) |
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3.11 Produced Fluid Changes |
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138 | (2) |
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3.12 Laboratory Measurements |
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140 | (4) |
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3.12.1 Electrokinetics and Effective Permeability |
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142 | (1) |
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3.12.2 Sulfur Sequestration |
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143 | (1) |
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3.12.3 Carbonate Reservoir Laboratory Tests |
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143 | (1) |
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3.13 Technology Comparisons |
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144 | (2) |
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3.13.1 Comparison of DCEOR and Steam Flood Efficiency |
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144 | (1) |
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3.13.2 Comparison of DCEOR and Steam Flood Costs |
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145 | (1) |
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3.13.3 Comparison of DCEOR to Other EOR Technologies |
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146 | (1) |
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146 | (11) |
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148 | (1) |
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149 | (6) |
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155 | (2) |
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4 EEOR in Carbonate Reservoirs |
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157 | (20) |
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157 | (1) |
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4.2 Electrically Enhanced Oil Recovery (EEOR) EK Assisted WF |
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158 | (1) |
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4.3 SMART (Simultaneous/Sequential Modified Assisted Recovery Techniques) |
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159 | (2) |
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4.4 (SMAR EOR) Electrokinetic-Assisted Nano-Flooding/Surfactant-Flooding |
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161 | (5) |
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4.4.1 Electrokinetic-Assisted Surfactant Flooding (Smart EOR) on Mixed to Oil-Wet Core Plugs |
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165 | (1) |
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4.5 Electrokinetics-Assisted Waterflooding with Low Concentration of HCl |
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166 | (2) |
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4.6 Effect of EEOR and SMART EOR in Carbonate Reservoirs at Reservoir Conditions |
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168 | (9) |
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169 | (2) |
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171 | (1) |
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172 | (1) |
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173 | (4) |
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5 Mathematical Modeling of Electrokinetic Transport and Enhanced Oil Recovery in Porous Geo-Media |
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177 | (60) |
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177 | (1) |
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5.2 Basics of EK Transport Modeling |
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178 | (1) |
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5.3 Fundamental Governing Equations |
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179 | (9) |
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179 | (1) |
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180 | (3) |
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183 | (1) |
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5.3.4 Conservation of Mass and Charge |
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184 | (1) |
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5.3.5 Geochemical Reactions |
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185 | (3) |
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5.4 Mathematical Model and Solution of Ek Transport |
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188 | (3) |
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5.4.1 Initial and Boundary Conditions |
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189 | (1) |
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5.4.2 Preservation of Electrical Neutrality |
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190 | (1) |
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5.4.3 Numerical Solution Approaches |
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191 | (1) |
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5.5 EK Mass Transport Models |
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191 | (3) |
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5.6 Coupling of Electrical and Pressure Gradients |
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194 | (3) |
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5.7 Mathematical Modeling of EKEOR |
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197 | (1) |
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5.8 Fundamental Governing Equations for EKEOR Model |
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197 | (23) |
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5.8.1 Incompressible Single-Phase Flow Under Applied Pressure Gradient |
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198 | (1) |
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5.8.2 Two-Phase Immiscible Flow Under Applied Pressure Gradient |
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199 | (2) |
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5.8.3 Contribution of Viscous Coupling |
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201 | (3) |
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5.8.4 Evaluation of EO Transport Coefficients |
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204 | (14) |
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5.8.5 Two-Phase Immiscible Flow Under Applied Pressure and Electrical Gradient |
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218 | (1) |
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5.8.6 Formulation in Phase Pressure (Oil Pressure) and Saturation (Water Saturation) |
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219 | (1) |
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220 | (4) |
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5.9.1 The Saturation Equation for Two-Phase Incompressible Immiscible Flow |
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221 | (2) |
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5.9.2 Pressure Equation for Two-Phase Incompressible Immiscible Flow |
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223 | (1) |
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5.10 Numerical Implementation |
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224 | (5) |
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229 | (8) |
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229 | (8) |
| Index |
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237 | |