Page 24 - Practical Petroleum Geology, 2nd Edition

PRACTICAL PETROLEUM GEOLOGY Index

macroscopic heterogeneities, 226 migration of petroleum
magma, 31 differing owners of reservoir and, 201, 201f
Petroleum Extension-The University of Texas at Austin
magnetic field, 21, 119, 184 overview of, 89
magnetic resonance measurement, 188–189 prevention of, 94
magnetic survey, 119 primary, 89, 89f, 90
magnetometer survey, 119, 184f secondary, 89, 89f, 91–93
timing of, 111–112, 111f
magnetotellurics survey, 119 millidarcy, 93
mammals, Mesozoic era, 14
mantle, 17, 17f Milne, David, 123
mineral rights, availability of, 152–156
maps. See also contour maps; structural maps
to describe the reservoir, 206–207 minerals, 19, 29–30
examples of, 209f–212f Mintrop, Ludger, 123–124
for exploration, 140–142, 144 models, for data interpretation, 145, 222–223, 222t
lithofacies, 214–218 molasse, 51
for selecting well sites, 199, 200f molecular weight, 84
subsurface, 205–206 Monument Valley, 81, 81f
well location, 209f Morrison Formation, 72
marble, 32 Mount Everest, 24, 24f
marginal well, 165–166, 165t Mount St. Helens, 4f, 38
marine deltas, 53, 53f mountain ranges, 18, 28
marine environments. See also depositional environment mud log/logger, 170, 171t, 176
community within, 86–87, 86f mudstone, 67
data collection in, 128, 128f multiple completion, 196
outer continental, 58–59 MWD. See measurement while drilling (MWD)
overview of, 55
seismic surveys in, 126–128, 126f, 127f
shelves, 56–58
sound sources in, 127–128 naphthenes, 84, 85f
marine invertebrates, Paleozoic era, 12 natural gamma rays, 186
marker beds, 73 natural gas, 1f, 88, 98, 202
mass movement of sediments, 42–43. See also avalanche neutron logs, 132
mass wasting, 41f neutron porosity, 188
material balance, 221–222 nonassociated gas, 98
matrix acidizing, 196 nonclastics, 40
maximum efficiency rate, 158 nonconformity, 75f, 76
measurement while drilling (MWD). See also logging nonfoliated metamorphic rock, 34
while drilling (LWD) nonhorizontal rock layers, 78
annular pressure, 185 normal fault, 81
bottomhole assembly vibrations, 185 North American plate, 26
development of, 182–183 North Sea, 25
directional measurements, 184 nuclear logs, 132
overview of, 179–181, 180f
weight-on-bit and torque-on-bit, 185
megascopic heterogeneities, 227 oblique slip fault, 80f, 81
Mesozoic era, 13f, 14, 112 obsidian, 31, 31f
metamorphic rock, 32–34, 33f, 70 ocean bottom cable (OBC) seismic acquisition, 127–128
metamorphism, 28 ocean-to-continent convergence, 27–28, 27f
meteorites, 11 ocean-to-ocean convergence, 27–28, 27f
methane, 17, 84, 85f, 88, 98 octane, 84
mica, 29 offshore exploration. See also petroleum exploration
microfossils, 139 completion of, 192
microscopic heterogeneities, 226 drilling exploratory and development wells in, 150
microscopic organisms, 1 four-component seismic sensor, 123f
Mid-Atlantic Ridge, 21, 24 leasing, 156

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