American Oil and Gas Reporter - January 2012 - 128
FIGURE 1
Possible Rotations of Fault Blocks
FIGURE 2
Time Slice Through Rotation About the Average Reflector Normal
Amp
Coh
Rot
Positive
Positive
0
Negative
0
0.6
Negative
Seismic stratigraphic analysis refers
to analyzing the configuration and termination of seismic reflection events,
packages of which are then interpreted
as stratigraphic patterns. These packages
then are correlated to well known patterns,
including top lap, onlap, down lap, erosional truncation and so forth, which in
turn, provide architectural elements of a
depositional environment. Through well
control as well as modern and paleo analogues, a probability map of lithofacies
then can be produced.
Geometric attributes such as coherence
and curvature are commonly used to map
structural deformation and depositional
environments. Coherence is useful in
identifying faults, channel edges, reef
edges and collapse features, while curvature images folds, flexures, subseismic
conjugate faults that appear as drag or
folds adjacent to faults, roll-over anticlines,
diagenetically altered fractures, karst, and
differential compaction over channels.
Although coherence and curvature are
excellent at delineating a subset of seismic
stratigraphic features, they have only limited value in imaging classic seismic
stratigraphy features such as onlap, progradation and erosional truncation. This is
where the newer volumetric attributes
come in, facilitating stratigraphic analysis
in large 3-D data sets.
Reflector Convergence
Because of the distinct change in reflector dip and/or terminations, erosional
unconformities and angular unconformities
in particular are relatively easy to recognize
on vertical seismic sections. Although
there often is a low-coherence anomaly
where reflectors of conflicting dip intersect,
these anomalies take considerable skill
to interpret. Early innovations first computed volumetric estimates of vector dip,
after which the mean and standard deviations were calculated in a local window.
Those reflections that exhibit parallelism
have a smaller standard deviation, while
nonparallel events such as angular unconformities have a higher standard deviation.
Another early innovation was to compute convergence/divergence of reflections
by computing a vertical derivative of apparent dip at a user-defined azimuth. We
expand on this previous methodology by
taking the curl of the volumetric vector
dip, thereby generating a 3-D reflector
convergence azimuth and magnitude estimates.
Reflector Rotation
Compressive deformation and wrench
128 THE AMERICAN OIL & GAS REPORTER
American Oil and Gas Reporter - January 2012
Table of Contents for the Digital Edition of American Oil and Gas Reporter - January 2012
The American Oil and Gas Reporter - January 2012
Contents
Reports
Calendar
Oil & Gas Counts
State Legislative
Industry Digest
Tech Connections
Washington Watch
Federal Legislation
EPA
Gulf of Mexico
Resource Plays Providing Wealth of Opportunities
Tight Plays Poised to Transform U.S. Crude Supply
El Paso Project Optimizes Eagle Ford Completion Design
Real-Time Forward Modeling Improves Bakken Horizontals
Cover Story
Financial Firms Expand Oil and Gas Divisions
Multicomponent 3-D Poised for Growth in Shale Plays
Cloud Computing Driving Business Step Changes
Advanced Attributes Improve 3-D Interpretation
3-D Data Improve Knowledge of Shale Heterogeneity
HBUR RSS Solves Granite Wash Drilling Challenges
Technologies Improve Production Consistency in Resource Plays
SaaS Helps Operator Streamline Data Management
Automation Enhances Operations in Challenging Applications
Dispersant Chemistry Combats Plugging in Low-Gravity Oil Wells
New Technologies Optimize Production
PIOGA
Drilling Regs
IOGAWV
The Presidential Papers
Energy Education
Conventions
Shale Gas
New Lits & Products
Computer Currents
Industry Focus
Classified Advertising
Advertisers Index
American Oil and Gas Reporter - January 2012 - The American Oil and Gas Reporter - January 2012
American Oil and Gas Reporter - January 2012 - 2
American Oil and Gas Reporter - January 2012 - 3
American Oil and Gas Reporter - January 2012 - 4
American Oil and Gas Reporter - January 2012 - Contents
American Oil and Gas Reporter - January 2012 - Reports
American Oil and Gas Reporter - January 2012 - 7
American Oil and Gas Reporter - January 2012 - 8
American Oil and Gas Reporter - January 2012 - 9
American Oil and Gas Reporter - January 2012 - Calendar
American Oil and Gas Reporter - January 2012 - 11
American Oil and Gas Reporter - January 2012 - 12
American Oil and Gas Reporter - January 2012 - 13
American Oil and Gas Reporter - January 2012 - Oil & Gas Counts
American Oil and Gas Reporter - January 2012 - 15
American Oil and Gas Reporter - January 2012 - Industry Digest
American Oil and Gas Reporter - January 2012 - 17
American Oil and Gas Reporter - January 2012 - 18
American Oil and Gas Reporter - January 2012 - 19
American Oil and Gas Reporter - January 2012 - 20
American Oil and Gas Reporter - January 2012 - 21
American Oil and Gas Reporter - January 2012 - 22
American Oil and Gas Reporter - January 2012 - 23
American Oil and Gas Reporter - January 2012 - 24
American Oil and Gas Reporter - January 2012 - Tech Connections
American Oil and Gas Reporter - January 2012 - 26
American Oil and Gas Reporter - January 2012 - Washington Watch
American Oil and Gas Reporter - January 2012 - Federal Legislation
American Oil and Gas Reporter - January 2012 - 29
American Oil and Gas Reporter - January 2012 - 30
American Oil and Gas Reporter - January 2012 - 31
American Oil and Gas Reporter - January 2012 - 32
American Oil and Gas Reporter - January 2012 - 33
American Oil and Gas Reporter - January 2012 - 34
American Oil and Gas Reporter - January 2012 - 35
American Oil and Gas Reporter - January 2012 - EPA
American Oil and Gas Reporter - January 2012 - 37
American Oil and Gas Reporter - January 2012 - 38
American Oil and Gas Reporter - January 2012 - 39
American Oil and Gas Reporter - January 2012 - 40
American Oil and Gas Reporter - January 2012 - 41
American Oil and Gas Reporter - January 2012 - Gulf of Mexico
American Oil and Gas Reporter - January 2012 - 43
American Oil and Gas Reporter - January 2012 - 44
American Oil and Gas Reporter - January 2012 - 45
American Oil and Gas Reporter - January 2012 - 46
American Oil and Gas Reporter - January 2012 - 47
American Oil and Gas Reporter - January 2012 - Resource Plays Providing Wealth of Opportunities
American Oil and Gas Reporter - January 2012 - 49
American Oil and Gas Reporter - January 2012 - 50
American Oil and Gas Reporter - January 2012 - 51
American Oil and Gas Reporter - January 2012 - 52
American Oil and Gas Reporter - January 2012 - 53
American Oil and Gas Reporter - January 2012 - 54
American Oil and Gas Reporter - January 2012 - 55
American Oil and Gas Reporter - January 2012 - 56
American Oil and Gas Reporter - January 2012 - 57
American Oil and Gas Reporter - January 2012 - 58
American Oil and Gas Reporter - January 2012 - 59
American Oil and Gas Reporter - January 2012 - 60
American Oil and Gas Reporter - January 2012 - 61
American Oil and Gas Reporter - January 2012 - Tight Plays Poised to Transform U.S. Crude Supply
American Oil and Gas Reporter - January 2012 - 63
American Oil and Gas Reporter - January 2012 - 64
American Oil and Gas Reporter - January 2012 - 65
American Oil and Gas Reporter - January 2012 - 66
American Oil and Gas Reporter - January 2012 - 67
American Oil and Gas Reporter - January 2012 - 68
American Oil and Gas Reporter - January 2012 - 69
American Oil and Gas Reporter - January 2012 - 70
American Oil and Gas Reporter - January 2012 - 71
American Oil and Gas Reporter - January 2012 - 72
American Oil and Gas Reporter - January 2012 - 73
American Oil and Gas Reporter - January 2012 - 74
American Oil and Gas Reporter - January 2012 - 75
American Oil and Gas Reporter - January 2012 - 76
American Oil and Gas Reporter - January 2012 - El Paso Project Optimizes Eagle Ford Completion Design
American Oil and Gas Reporter - January 2012 - 78
American Oil and Gas Reporter - January 2012 - 79
American Oil and Gas Reporter - January 2012 - 80
American Oil and Gas Reporter - January 2012 - 81
American Oil and Gas Reporter - January 2012 - 82
American Oil and Gas Reporter - January 2012 - 83
American Oil and Gas Reporter - January 2012 - 84
American Oil and Gas Reporter - January 2012 - 85
American Oil and Gas Reporter - January 2012 - 86
American Oil and Gas Reporter - January 2012 - Real-Time Forward Modeling Improves Bakken Horizontals
American Oil and Gas Reporter - January 2012 - 88
American Oil and Gas Reporter - January 2012 - 89
American Oil and Gas Reporter - January 2012 - 90
American Oil and Gas Reporter - January 2012 - 91
American Oil and Gas Reporter - January 2012 - 92
American Oil and Gas Reporter - January 2012 - 93
American Oil and Gas Reporter - January 2012 - Cover Story
American Oil and Gas Reporter - January 2012 - 95
American Oil and Gas Reporter - January 2012 - 96
American Oil and Gas Reporter - January 2012 - 97
American Oil and Gas Reporter - January 2012 - 98
American Oil and Gas Reporter - January 2012 - 99
American Oil and Gas Reporter - January 2012 - 100
American Oil and Gas Reporter - January 2012 - 101
American Oil and Gas Reporter - January 2012 - 102
American Oil and Gas Reporter - January 2012 - Financial Firms Expand Oil and Gas Divisions
American Oil and Gas Reporter - January 2012 - 104
American Oil and Gas Reporter - January 2012 - 105
American Oil and Gas Reporter - January 2012 - 106
American Oil and Gas Reporter - January 2012 - 107
American Oil and Gas Reporter - January 2012 - 108
American Oil and Gas Reporter - January 2012 - 109
American Oil and Gas Reporter - January 2012 - Multicomponent 3-D Poised for Growth in Shale Plays
American Oil and Gas Reporter - January 2012 - 111
American Oil and Gas Reporter - January 2012 - 112
American Oil and Gas Reporter - January 2012 - 113
American Oil and Gas Reporter - January 2012 - 114
American Oil and Gas Reporter - January 2012 - 115
American Oil and Gas Reporter - January 2012 - 116
American Oil and Gas Reporter - January 2012 - 117
American Oil and Gas Reporter - January 2012 - 118
American Oil and Gas Reporter - January 2012 - Cloud Computing Driving Business Step Changes
American Oil and Gas Reporter - January 2012 - 120
American Oil and Gas Reporter - January 2012 - 121
American Oil and Gas Reporter - January 2012 - 122
American Oil and Gas Reporter - January 2012 - 123
American Oil and Gas Reporter - January 2012 - 124
American Oil and Gas Reporter - January 2012 - 125
American Oil and Gas Reporter - January 2012 - Advanced Attributes Improve 3-D Interpretation
American Oil and Gas Reporter - January 2012 - 127
American Oil and Gas Reporter - January 2012 - 128
American Oil and Gas Reporter - January 2012 - 129
American Oil and Gas Reporter - January 2012 - 130
American Oil and Gas Reporter - January 2012 - 131
American Oil and Gas Reporter - January 2012 - 132
American Oil and Gas Reporter - January 2012 - 133
American Oil and Gas Reporter - January 2012 - 134
American Oil and Gas Reporter - January 2012 - 3-D Data Improve Knowledge of Shale Heterogeneity
American Oil and Gas Reporter - January 2012 - 136
American Oil and Gas Reporter - January 2012 - 137
American Oil and Gas Reporter - January 2012 - 138
American Oil and Gas Reporter - January 2012 - 139
American Oil and Gas Reporter - January 2012 - 140
American Oil and Gas Reporter - January 2012 - 141
American Oil and Gas Reporter - January 2012 - 142
American Oil and Gas Reporter - January 2012 - HBUR RSS Solves Granite Wash Drilling Challenges
American Oil and Gas Reporter - January 2012 - 144
American Oil and Gas Reporter - January 2012 - 145
American Oil and Gas Reporter - January 2012 - 146
American Oil and Gas Reporter - January 2012 - 147
American Oil and Gas Reporter - January 2012 - 148
American Oil and Gas Reporter - January 2012 - 149
American Oil and Gas Reporter - January 2012 - 150
American Oil and Gas Reporter - January 2012 - Technologies Improve Production Consistency in Resource Plays
American Oil and Gas Reporter - January 2012 - 152
American Oil and Gas Reporter - January 2012 - 153
American Oil and Gas Reporter - January 2012 - 154
American Oil and Gas Reporter - January 2012 - 155
American Oil and Gas Reporter - January 2012 - 156
American Oil and Gas Reporter - January 2012 - 157
American Oil and Gas Reporter - January 2012 - 158
American Oil and Gas Reporter - January 2012 - 159
American Oil and Gas Reporter - January 2012 - 160
American Oil and Gas Reporter - January 2012 - SaaS Helps Operator Streamline Data Management
American Oil and Gas Reporter - January 2012 - 162
American Oil and Gas Reporter - January 2012 - 163
American Oil and Gas Reporter - January 2012 - 164
American Oil and Gas Reporter - January 2012 - 165
American Oil and Gas Reporter - January 2012 - Automation Enhances Operations in Challenging Applications
American Oil and Gas Reporter - January 2012 - 167
American Oil and Gas Reporter - January 2012 - 168
American Oil and Gas Reporter - January 2012 - 169
American Oil and Gas Reporter - January 2012 - 170
American Oil and Gas Reporter - January 2012 - 171
American Oil and Gas Reporter - January 2012 - 172
American Oil and Gas Reporter - January 2012 - 173
American Oil and Gas Reporter - January 2012 - 174
American Oil and Gas Reporter - January 2012 - 175
American Oil and Gas Reporter - January 2012 - 176
American Oil and Gas Reporter - January 2012 - Dispersant Chemistry Combats Plugging in Low-Gravity Oil Wells
American Oil and Gas Reporter - January 2012 - 178
American Oil and Gas Reporter - January 2012 - 179
American Oil and Gas Reporter - January 2012 - 180
American Oil and Gas Reporter - January 2012 - 181
American Oil and Gas Reporter - January 2012 - New Technologies Optimize Production
American Oil and Gas Reporter - January 2012 - 183
American Oil and Gas Reporter - January 2012 - 184
American Oil and Gas Reporter - January 2012 - 185
American Oil and Gas Reporter - January 2012 - 186
American Oil and Gas Reporter - January 2012 - 187
American Oil and Gas Reporter - January 2012 - 188
American Oil and Gas Reporter - January 2012 - 189
American Oil and Gas Reporter - January 2012 - 190
American Oil and Gas Reporter - January 2012 - 191
American Oil and Gas Reporter - January 2012 - 192
American Oil and Gas Reporter - January 2012 - 193
American Oil and Gas Reporter - January 2012 - PIOGA
American Oil and Gas Reporter - January 2012 - 195
American Oil and Gas Reporter - January 2012 - 196
American Oil and Gas Reporter - January 2012 - 197
American Oil and Gas Reporter - January 2012 - Drilling Regs
American Oil and Gas Reporter - January 2012 - 199
American Oil and Gas Reporter - January 2012 - IOGAWV
American Oil and Gas Reporter - January 2012 - 201
American Oil and Gas Reporter - January 2012 - 202
American Oil and Gas Reporter - January 2012 - 203
American Oil and Gas Reporter - January 2012 - 204
American Oil and Gas Reporter - January 2012 - 205
American Oil and Gas Reporter - January 2012 - 206
American Oil and Gas Reporter - January 2012 - 207
American Oil and Gas Reporter - January 2012 - The Presidential Papers
American Oil and Gas Reporter - January 2012 - 209
American Oil and Gas Reporter - January 2012 - 210
American Oil and Gas Reporter - January 2012 - 211
American Oil and Gas Reporter - January 2012 - 212
American Oil and Gas Reporter - January 2012 - 213
American Oil and Gas Reporter - January 2012 - 214
American Oil and Gas Reporter - January 2012 - 215
American Oil and Gas Reporter - January 2012 - 216
American Oil and Gas Reporter - January 2012 - 217
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American Oil and Gas Reporter - January 2012 - 219
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American Oil and Gas Reporter - January 2012 - 223
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American Oil and Gas Reporter - January 2012 - 225
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American Oil and Gas Reporter - January 2012 - 227
American Oil and Gas Reporter - January 2012 - 228
American Oil and Gas Reporter - January 2012 - 229
American Oil and Gas Reporter - January 2012 - 230
American Oil and Gas Reporter - January 2012 - 231
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American Oil and Gas Reporter - January 2012 - 235
American Oil and Gas Reporter - January 2012 - 236
American Oil and Gas Reporter - January 2012 - 237
American Oil and Gas Reporter - January 2012 - 238
American Oil and Gas Reporter - January 2012 - 239
American Oil and Gas Reporter - January 2012 - 240
American Oil and Gas Reporter - January 2012 - 241
American Oil and Gas Reporter - January 2012 - 242
American Oil and Gas Reporter - January 2012 - 243
American Oil and Gas Reporter - January 2012 - 244
American Oil and Gas Reporter - January 2012 - 245
American Oil and Gas Reporter - January 2012 - 246
American Oil and Gas Reporter - January 2012 - 247
American Oil and Gas Reporter - January 2012 - 248
American Oil and Gas Reporter - January 2012 - Energy Education
American Oil and Gas Reporter - January 2012 - Conventions
American Oil and Gas Reporter - January 2012 - 251
American Oil and Gas Reporter - January 2012 - Shale Gas
American Oil and Gas Reporter - January 2012 - 253
American Oil and Gas Reporter - January 2012 - 254
American Oil and Gas Reporter - January 2012 - 255
American Oil and Gas Reporter - January 2012 - 256
American Oil and Gas Reporter - January 2012 - 257
American Oil and Gas Reporter - January 2012 - 258
American Oil and Gas Reporter - January 2012 - 259
American Oil and Gas Reporter - January 2012 - New Lits & Products
American Oil and Gas Reporter - January 2012 - 261
American Oil and Gas Reporter - January 2012 - Computer Currents
American Oil and Gas Reporter - January 2012 - 263
American Oil and Gas Reporter - January 2012 - Industry Focus
American Oil and Gas Reporter - January 2012 - 265
American Oil and Gas Reporter - January 2012 - 266
American Oil and Gas Reporter - January 2012 - 267
American Oil and Gas Reporter - January 2012 - 268
American Oil and Gas Reporter - January 2012 - 269
American Oil and Gas Reporter - January 2012 - 270
American Oil and Gas Reporter - January 2012 - 271
American Oil and Gas Reporter - January 2012 - 272
American Oil and Gas Reporter - January 2012 - Classified Advertising
American Oil and Gas Reporter - January 2012 - Advertisers Index
American Oil and Gas Reporter - January 2012 - 275
American Oil and Gas Reporter - January 2012 - 276
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