Page 23 - Practical Petroleum Geology, 2nd Edition

Index PRACTICAL PETROLEUM GEOLOGY

ice sheets, continental drift and, 21 lateral continuity, law of original, 78
igneous rock lava, 31, 31f
Petroleum Extension-The University of Texas at Austin
magnetic surveys and, 119 law of original horizontality, 70, 71f, 78
overview of, 28, 31, 31f law of original lateral continuity, 78
studying geologic past in, 70 leaching, 37–38
thorium release by, 186 lead-207, 11
imbrication in conglomerates, 65, 65f leased lands
impactors, 124, 124f decisions over, 148, 149
inclination of the well, 184 mineral rights and, 152
income taxes, economic considerations and, 159 multiple owners for a reservoir, 201, 201f
induction log/survey, 132 position of wellbore and, 184
infill drilling, 202, 226 Producers 88 form, 153f–154f
inner core, 17, 17f lens trap, 105, 105f
inorganic theory, 10–11 lessee/lessor, 152
intangible development costs, 159 libraries, using for collecting data, 117
interface zone, 202 limestone
interstices, 90 bioherm traps and, 106
interstitial water, 90, 94 cementation and, 63, 63f, 64
intrusive rock, 31 classification of, 69
iron, 17, 38 common nonclastic, 40
iron oxide, 62 during Earth’s formation, 18
island arc, 27 leaching of, 37
isobutane, 85f as a source rock, 89
strata in, 71f
isochore map, 141 liquefied petroleum gas (LPG). See petroleum gas
isolith map, 216, 216f, 217f lithic particles, 66
isomers, 85f
isopach map lithification, 61, 62–64, 62f, 63f
examples of, 209f–212f lithofacies map, 141, 214–218, 215t, 217f, 228f
uses in field development, 207–213, 214f, 219f lithology log, 172f
uses in petroleum exploration, 141, 141f loess, 52
isostasy, 22, 22f logging. See also geologist, duties of; well monitoring
isotopes, 11 cores, 177, 177f
cuttings, 173–176, 174t
importance of, 173
measuring and logging while drilling, 179–189
joint operating agreement, 156 sidewall samples, 176–177, 176f
joints, in sedimentary particles, 36, 36f wireline, 178, 178f, 179f
jug hustlers, 121 logging while drilling (LWD). See also measurement
jugs, 121 while drilling (MWD)
Jurassic period, 23f bottomhole assembly vibrations, 185
density measurements, 187
development of, 182–183
Kaibab Plateau, 7 magnetic resonance measurement, 188–189
kaolinite, 38 natural gamma ray measurement, 186
Kelly-Snyder field, 176 neutron porosity measurements, 188
overview of, 179–181
resistivity, 187, 187f
lacustrine environment, 51 spectroscopy measurement, 189
laminar flow, 44 velocity measurements, 188
landforms, 6, 213 longshore currents, 54
landman, 148, 152 Los Angeles, California, recent earthquakes in, 26
Landmark Graphics, 144 LWD. See logging while drilling (LWD)
Landsat, 114, 115f Lyell, Charles, 5, 83

278