Page 275 - Gas Wettability of Reservoir Rock Surfaces with Porous Media

Index 259

amphiphilic polymer, 108 109 G alteration mechanism, 113 118
functional groups, 113 114 Gaosheng Oilfield, Gao 23 5 well concept and definition, 24
methacrylate monomer in, 229, 229f of cores, 184 191
tridecafluoro-octyl ester, Gas, 50 on displacement characteristic of
100 102 adsorption, 127 gas-displacing water, 189t
spectrogram, 102, 103f contact angles and surface effects
Fluorine amphiphilic block polymer, energy of gas wetting rocks, conductivity of rocks, 148 153
99 109 129t expansion and dispersion
performance evaluation experiment, 128 131 characteristic of clay mineral,
analysis of surface wettability, gas-wetting alteration of 141 148
103 108 substrate, 128 129 gas adsorption capability of
capillary rise of fluorine- quartz sand adsorbing methane rocks, 122 141
containing amphiphilic experiment, 129 131 on gas/oil distribution and
polymer, 108 109 on rock surface, 122 recovery, 184, 185f
infrared spectroscopic analysis, “gas/liquid/solid” system, 6 7, 24 on gas/oil percolation state,
100 102 “gas/water” system, 187 183 184, 184f
nuclear magnetic resonance, 102 molecules, 127 on gas/water distribution, 182,
XPS, 102 103 permeability, 188 182f
preparation effect of gas wettability on, 188f on gas/water percolation status,
macroinitiator MPEG-Br, Gas adsorption capability of rocks, 181
99 100 122 141 imbibition process of rocks,
synthesis of fluorine basic theory, 122 127 153 161
amphiphilic adsorption capacity and establishing evaluation method,
polymeremulsion, 100 measurement, 122 124 50 58
Fluoro-mono-methacrylate, 107 adsorption isotherm, 125 126 bubble capture method, 54 58
Fluoroalkylsilane (FAS), 22 adsorption phenomena and experimental verification of gas
Fluorocarbon surfactant, 86 87, 89t classification, 122 wettability evaluation
application conditions and factors affecting adsorption method, 58
influencing factors, 89 93 capacity, 127 sessile drop method, 50 54
alcohol effect on gas wettability Gas adsorption capacity of rocks of etched glass network models,
alteration of rock samples, experimental studies on, 127 131 175 184
92 93 gas adsorption experiment, evaluation in single-straight
inorganic ions effect on gas 128 131 capillaries of, 164, 169
wettability, 89 91 relationship between surface evaluation of gas/oil system, 183
pH value effect of treatment wettability and surface free on fluid distribution, 175
solutions on gas wettability, energy of solids, 127 128 influencing factors, 59 82
91 92 quantum chemistry theory, measuring matrix effects on gas
temperature effect on gas 131 141 wettability, 74 77
wettability, 91 Gas wet(ting), 9, 164 process and essence of gas
evaluation of gas-wetting adsorption capacity of molecules wettability, 59 62
alteration effect, 88 89 on gas-wetting model surface free energy effects on gas
synthesis, 88 surfaces, 140 141, 141t wettability, 62 74
intermediate (N-[3- alteration agent, 128 129 surface roughness effects on gas
(dimethylamino)-propyl alternation technique, 9, 17 wettability, 77 79
group] perfluorinated reversal agent, 52 wetting situation of gas-wetting
sulfonyl fluoride), 87 88 rock surfaces, 131 rock sample surfaces, 80 82
Fluorocarbon-based hydrophobic rocks models, 134, 134f inorganic ions effect on, 89 91
group, 86 wetting situation of gas-wetting Langmuir adsorption isotherm of
Fluorocarbon-wetting alteration rock sample surfaces, 80 82 gas mixture on gas wettability
agents, 114, 115f by alcoholic solutions, 81 82 rocks, 125 126
Fluoropolymers, 19 20, 85 86, 94 by alkane with different carbon preferential wettability
Flushing resistance test, 98 99, 99f chain lengths, 81, 81t of gas on reservoir rock surface,
Foam flotation, 5 by NaCl solutions, 80 81, 81t 5 6
Frontier molecular orbit of models, Gas wettability, 6, 30, 40, 89, 169 of liquid on solid surface, 1 2
115 117, 115f, 116f process and essence, 59 62