Page 274 - Gas Wettability of Reservoir Rock Surfaces with Porous Media

258 Index

Etched glass network models Experiment theory, 164 166 comparison of rheological
(Continued) Experimental potential function properties and API filter loss,
effects on gas/water percolation methods, 133 204t
status, 181 Extra-low-permeability reservoirs, compatibility, 203 205
preparation and experiment drilling fluid technology for, film-formation, 201
method, 176 180 195 196 plug forming property,
displacement experiment of Extra-low-permeability reservoirs, 201 203
micromodel, 180 trapezoid protection water- preparation and properties,
experiment principles and injection technology for 200 201
methods, 179 180 effect on experimental well in Film-forming process, 110, 112f
measuring wettability of Chunliang oil plant, 229t Flotation method, 36 37
micromodel, 180 establishment, 227 228 bubble flotation, 37f
preparing etched glass network field application, 228 230 Flow resistance of gas, 170, 172
models, 177 178 Gao 23 5 well in Gaosheng Fluoride
preparing micromodel, 179 180 Oilfield, 229f group, 105 106
preparing primary permeability damage rate at monomercontent effect, 103
motherboards, 176 different injection core Fluorinated acrylate grafting
preparing templates, 177 volume multiples, 228f dopamine copolymer, 94 99
process of displacement research status, 216 219 performance evaluation, 94 99
experiment, 178 trapezoid protection agent A, core surface wettability analysis,
wettability treatment of 219 226 97
micromodel, 180 trapezoid protection agent B, experimental study of
Etched glass network models 226 227 spontaneous core
preparation, 177 178 imbibitions, 97 98
Etching, 21 24 flushing resistance test, 98 99
chemical, 22 F infrared spectroscopy analysis,
photoetching, 177 178 FAS. See Fluoroalkylsilane (FAS) 94 95
Ethanediol effect on gas wettability Fault block Chang 68 at Weibei oil- UV-vis, 96
alteration, 93, 93t gas field, 208 XPS, 95 96
Ethanol solution, surfaces wetting of FC911 surfactant, 45 preparation, 94
gas-wetting rock sample Fe 31 effect on gas wettability Fluorinated acrylate polymer
surfaces by, 81, 82t alteration, 90, 91t waterproof agent FCS-08, 195
Ethylene glycol, 82, 82t FG40 surfactant, 45 performance evaluation, 198 200
Evaluating gas wettability using FGC-1 cutting carrying agent alteration degree of wettability
traditional methods, 40 50 on different mesh numbers, 215f, of core surfaces, 199 200
by capillary force method, 41 44 216f core contact angles and surface
by contact angle, 44 45 micro-function mechanism, 215f energy, 200t
by Washburn method, 46 50 preparation and properties, correlation table of oil/water
Evaluation index 213 215, 213f interfacial tension, 199t
bubble capture method, 55 bubble adhesiveness, 214 surface tension and interfacial
sessile drop method, 50 51 optimizing concentration and tension, 198 199
Evaluation methods grain diameter, 214 215 preparation and properties,
establishing gas wettability wetting alteration, 213 196 200
evaluation method, 50 58 Film-formation, 201 correlation of surface tension,
traditional wettability evaluation Film-forming polymer oil protection 198t
methods, 30 40 agent LCM-8, 200 205 damage caused by water-block
Evaluation principle amphiphilic polymer LCM-8, 201f mechanism, 197
bubble capture method, 55 grain size distribution, 201f procedure for preparing,
sessile drop method, 50 performance evaluation, 201 205 197 198
Expansibility, 145 comparison of high temperature Fluorine, 86
Expansion characteristic, 145 148 and high-pressure filtration alkane compounds, 85 86
of gas-wetting clay, 146f loss, 204t alkyl siloxane, 22
hydration expansion of clay, 145 comparison of invasion depth amphiphilic polymeremulsion
microstructure analysis, 146 148 of kinds of film-forming synthesis, 100
test, 145 146 agents, 203f fluorine-containing