Page 20 - Practical Petroleum Geology, 2nd Edition

PRACTICAL PETROLEUM GEOLOGY Index

aeolian deposits in, 52 depreciation, 159
desert, 51 desert environments, 51
Petroleum Extension-The University of Texas at Austin
fluvial deposits and, 48–51, 48f development plans, 203, 203f
glacial, 52 development well, 130, 150
lacustrine, 51 Devonian times, 214
overview of, 47 diagenesis, 61, 64, 69
continental drift, 19, 20f, 22–24, 26 diapirism, 99
Continental Oil Company (Conoco), 125 diapirs, 110, 110f
continental rifting. See rifting diatomite, 69
continental rise, 56f, 58 diatoms, 77, 77f
continental shelf, 18, 56, 56f differentiation, 97–98, 97f
continental slope, 56f, 58 dimethyl cyclopetane, 85f
continent-to-continent convergence, 27–28, 27f dinosaurs, 14
contour maps, 57f, 140–141, 140f, 200f. See also maps;
structural maps Dinoseis, 125
convergence, plate, 27–28, 27f diorite, 31
coral reef, 57 dip, 78–79, 79f, 101
core samples, 136–138, 137f, 177, 177f. See also samples dip slip fault, 80f, 81
coring bits, 136, 137f directional drilling, 150f, 179, 184
correlating rock formations, 72–73, 73f disconformity, 75, 75f
cost method, 160 discounted cash flow rate of return, 164
costs, planning for, 197 discounting (present value concept), 163
creationism, 10 discovery well, 149
Cretaceous period, 14, 23f, 69, 77, 214 dissolved gas drives, 220
cross-cutting, relative age and, 82, 82f dissolved load, 46
crude oil, 84, 156, 218, 220 division order, 156
crust, Earth, 9, 17f, 34 dolomite, 32, 69
crystalline texture, 29–30, 29f, 63 dolomitic limestone, 64
cutting samples, 138, 173–176, 173f, 174t dolomitization, 64
cyclohexane, 85f dome, 98, 99f
cycloparaffin, 84, 85f doodlebugs, 121
downcutting, 46f
darcy, 93 drag fold, 102
data collection draped anticline, 79f
decoding, 182f drawdown of fluid, 190
for developing a well, 208f drill collar, 181, 187, 188, 189
for estimating reserves, 221f drill stem test, 138, 178, 189, 189f
from formation tests, 190 drill string components, vibrations and, 185
for a lithofacies map, 215t
in marine environments, 128, 128f driller’s log, 130
technology for, 143–144 drilling, expensing costs of, 159–160, 160t
through libraries and public records, 117 drilling depth, 207
databases, 117 drilling fluid, 170, 179
datum-referenced values, 207, 207f drilling mud, 138
decision tree, 148f, 151, 166, 167f drilling rates, 202
decomposition, aerobic, 87 drive mechanism enhancement, 224–225
deliverability plots, 190 dry hole, 118, 150, 165–166, 165t
density, measuring, 187 dry hole money, 156
Department of the Interior, 158 dunefield, 54, 54f
depletion in taxation, 159
deposition, 6, 48–51, 48f, 59
depositional environment, 9, 47, 213–214. See also Earth
continental depositional environment; marine environments beginnings of, 16–18

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