Page 273 - Gas Wettability of Reservoir Rock Surfaces with Porous Media

Index 257

experiment result and discussion, Dilatometer methods, 220 for low and extra-low-
188 189 Dimethyl silicone oil GB 201, 16 permeability reservoirs,
gas wettability on displacement N,N-Dimethylformamide (DMF), 94 195 196
characteristic of gas- Dipole moment data, 137 preparation and properties
displacing water, 189t Displacement, 172 173 of film-forming polymer oil
screening of cores, 185 characteristic, 191 protection agent LCM-8,
Core pretreatment, 154 155 development status in 200 205
flow chart of imbibition displacement wells, 210 213 of fluorinated acrylate water-
experiment, 154f method, 35 36 block resistance agent FCS-08,
imbibition experimental Displacement experiment, 185 188 196 200
procedure, 154 of cores with different gas protection effect
procedure of core sample wettability comparison, 210t
pretreatment, 154 155 in gas/oil system, 190 191 reservoir protection comparing to
Core surface wettability analysis, 97, in gas/water system, 189 190 conventional reservoir
97t experimental scheme, 187 188 protection with, 210
Cores, gas wettability of, 184 191 of micromodel, 180 routine performance test, 209t
core displacement characteristic pretreatment of cores, 185 187 Dye adsorption, 40
effect, 189 191 process, 178 Dynamic prediction method, 18 19
core permeability effect, 185 189 Distilled water, contact angles of,
displacement experiment of cores 111, 111f
with different gas wettability in DMF. See N,N-dimethylformamide E
gas/water system, 189 190 (DMF) EDC-HCl. See Carbon
with different gas wettability in Dodecafluoroheptyl acrylate, dimethylamine hydrochloride
gas/oil system, 190 191 100 102 (EDC-HCl)
gas wettability on displacement Dopamine (DA), 94 Electrical resistance of cores under
characteristic of gas- Drilling fluid cuttings carrying different saturations,
displacing-oil, 190t technology, 210 216 151 152, 152f
result of gas permeability after development status in large Electrochemical deposition
displacement experiment, displacement wells using, technique, 21 22
190t, 191t 210 213 Electrochemical reaction and
Corrosion, 178 evaluation of FGC-1 cutting deposition, 21 24
Cutting reinjection technology, 230 carrying effect in simulator, Electroneutral strata surface, 11
CVD. See Chemical vapor deposition 215 216 Electrospirming technique, 23 24
method (CVD) preparation and properties of Elemental analysis, 237 238
cutting carrying agent FGC-1, Elemental analyzer, 237 238
213 215 Emulsification, 235
D Drilling fluid technology, 194 210 Emulsifying property measurement,
DA. See Dopamine (DA) changing property of rock surface 235
Degradable degreaser, 237, 242 and protection to low- Energy spectrum analysis, 146 147
elemental analysis of efficient and, permeability reservoirs, Equilibrium contact angle, 31
238t 205 207 Etched glass network models, 175,
mass spectrum, 239f evaluation of technology for 181
partially enlarged graph of mass backflow and plug removal, gas wettability, 175 184
spectrum, 239f 207 gas wettability of gas/oil system,
performance evaluation of formulation of drilling 182 184
efficient and, 243 248 completion fluid, 205t evaluation of gas wettability of
pyrolysis gas chromatography of permeability damage rate bar gas/oil system, 183
efficient and, 240f chart after rock samples, 206f effect on gas/oil distribution
solution for oily cuttings, 238f permeability recovery and recovery, 184, 185f
Degradation performance evaluation evaluation, 206 207, 207f effect on gas/oil percolation
of degreaser, 246 248 plugging rate evaluation, state, 183 184, 184f
Desorption, 235 205 206 gas wettability of gas/water
peak, 124 field applications, 208 209 system, 180 182
rate, 126 field test comparison of “zero” effects on gas/water
Dichlorodimethylsilane, 16 damage, 211t, 212t distribution, 182, 182f