Page 26 - Practical Petroleum Geology, 2nd Edition

PRACTICAL PETROLEUM GEOLOGY Index

in secondary migration, 92–93, 93f through drive mechanism enhancement, 224–225
potash, 68 through fluid properties enhancement, 226
Petroleum Extension-The University of Texas at Austin
potassium carbonate, 38 recumbent fold, 79, 79f
potassium-40, 186 Red Sea Rift, 24
potentiometric surface, 91f, 92, 92f, 108 reefs, 40, 57, 105
Precambrian era, 12, 13f regional metamorphism, 33–34, 33f
present value concept, 163–164, 163f regulations in petroleum acquisition, 157–158
pressure, 1, 222 relative age, in stratigraphy
pressure build up, 185 classifying rocks by, 12, 13f
pressure buildup plots, 190 cross-cutting, 82, 82f
price per barrel, assigning, 157, 221 erosion, 81
primary migration, 89, 89f, 90 faulting, 80–81
Principles of Geology (Lyell), 5 folding, 78–80, 78f
probabilities, using in risk analysis, 165 overview of, 78
producers, competing on one reservoir, 201–202 relative permeability, 94
Producers 88 lease form, 153f–154f relative plate motion, 26
producing zones, 191 remote sensing, 114, 115f
production casing, 193f, 194, 195f remotely operated vehicle, 127
production platform, offshore, 192 reptiles, Pennsylvanian period, 14
production taxes, 159 reserve recovery. See recovery of reserves, improving
productive acreage, in reserve estimation, 218 reserves, estimating, 157, 218–222
productivity of wells. See also well monitoring reservoirs. See also traps
estimating size of, 157
expanding and maintaining, 199
predicting, 190 seeps at, 116
size of, 2
recovery efficiency, 202–203
selecting well sites and, 199–202 reservoir, gas, 202
prograding delta, 53 reservoir description
propane, 85f, 98 depositional environment, 213–214
proppant/propping agent, 196 lithofacies maps, 214–218
mapping the stratum, 205–213
propylene, 85f overview of, 205
proration policies, 157 reservoir development tools
protoplanet hypothesis, 16–18, 16f acoustic logs, 134, 134f
protozoa, 86 data, software and modeling, 143–146
proved reserves, 149 drill stem test, 138
public agency records, for collecting data, 117 driller’s log, 130
pumice, 31 electric logs, 131–132, 131f
pump, to sustain oil production, 195 log interpretation, 135–136, 135f
pyroclastic rock, 31, 38, 39f maps, 140–142
nuclear logs, 132, 133f
overview of, 129
quartz, 29, 66 sample logs, 136–138
strat test, 138
stratigraphic correlation, 139, 139f
radar, 115 well logs, 129, 129f
radioactive elements, geologic time and, 11 wireline log, 130, 131f
radioactivity logs, 132, 133f reservoir rock, 89, 92, 93, 100
reconnaissance survey, 119 resistivity, measuring, 187, 187f
record section, 120 resistivity logs, 132, 132f
recovery efficiency, 220 resistivity of a formation, measuring, 136, 182
recovery of reserves, improving reverse dip slip fault, 80f, 81
by addressing heterogeneities, 226–228 rhyolite, 31
efficiency in, 202–203 rift zone, 22
overview of, 223 rifting, 25–26, 25f

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