Page 224 - Primer on Enhanced Oil Recovery

Index 211

Vaporizing mixing, 93 technology of implementation, 136 137,
Vertical well, 50 51 137f, 138f
Vinci Technologies, 195 variants of, 128
Viscosity of liquids, 143 144, 176 Water assisted oil displacement, 23 24
Newtonian liquid, 144 Water drive mode, 24
polymer solution, 146 Water flooding, 141
ratio of oil and water, 142 Waterflood with surfactants, 59 60
in reservoir conditions, 142 Water hardness, 146
Viscosity of oil, 29 Water in capillaries, rate of movement of,
temperature effect on, 29 155
Volumetric efficiency, 61 Water phase diagram, 29 30, 30f
Water/rock interaction, 33 34
W Water salinity, 173
Water alternating gas (WAG) technology, measurement of, 173
128, 129f Water-soluble polymers, 143
applicability criteria, 131 134 Well classification, 48 49
applications, 129 131 Well completion, 48 50
carbon dioxide WAG projects with Well construction elements, 46 47, 47f
miscible and immiscible cased interval of wellbore, 47
displacements, 136f casing, 47
comparison of main processes during cement sheath, 47
simple gas flooding and various open hole, 47
WAG implementations, 132f output of borehole from under shoe, 47
effects of gas/oil miscibility properties shoe, 47
during WAG implementation, 133f Well drilling, 46
foam assisted, 131, 131f basic processes, 46
formation parameters for WAG bottom hole debris, cleaning of, 46
implementation, 134f Well flushing and drilling fluids, 47 48
gases used in, 136 Well products separation, 82 83
general screening parameters for, 133 Well profiles
hybrid, 129, 130f log data correlation, 183f
implemented projects, 134 136, 135f reservoir properties distribution along,
injection system in, 136 186f
methods, 128 131 West Texas Intermediate, 7
selective simultaneous injection of Wet forward combustion, 76 77
working agents, 129 130, 130f zoning for, 77, 77f
sequential supply of working agents, 129, Wettability, 33, 34f, 35, 151, 174
129f Wetting, 40, 41f
simultaneous, 129, 130f
tapering/reducing water gas ratio, Z
136 137 Z-42 oil well, 46