Preface |
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xi | |
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Part 1 Methodology of EM data interpretation |
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Chapter 1 3-D EM forward modeling techniques |
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3 | (44) |
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3 | (1) |
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1.2 Methods of integral equations |
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4 | (3) |
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1.3 Methods of differential equations |
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7 | (5) |
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12 | (2) |
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1.5 Analog (physical) modeling approaches |
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14 | (1) |
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1.6 Balance technique for EM field computation |
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15 | (9) |
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1.7 Method of the EM field computation in axially symmetrical media |
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24 | (12) |
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36 | (11) |
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37 | (10) |
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Chapter 2 Three-dimensional Bayesian statistical inversion |
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47 | (26) |
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47 | (1) |
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2.2 Technique for solving inverse problem using Bayesian statistics |
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48 | (7) |
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2.3 Assessment of prior information and data effects on the inversion results |
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55 | (8) |
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2.4 Case study: modeling of the aquifer salinity assessment with AMT data |
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63 | (4) |
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67 | (6) |
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68 | (5) |
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Chapter 3 Methodology of the neural network estimation of the model macro-parameters |
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73 | (42) |
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73 | (1) |
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3.2 Backpropagation technique |
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74 | (4) |
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3.3 Statement of the modeling problem |
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78 | (2) |
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3.4 Artificial Neural Network architecture |
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80 | (6) |
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3.5 Effect of the type, volume, and structure of the teaching data pool |
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86 | (9) |
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3.6 ANN generalization ability |
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95 | (1) |
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96 | (2) |
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3.8 Case study: ANN reconstruction of the Minou fault parameters |
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98 | (13) |
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111 | (4) |
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111 | (4) |
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Chapter 4 Building of 3-D geoelectrical models at the lack of magnetotelluric data |
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115 | (18) |
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115 | (1) |
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115 | (4) |
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4.3 Effect of additional profile |
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119 | (4) |
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4.4 Effect of using scalar archive data around profile (case study of Eastern Siberia profile) |
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123 | (6) |
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129 | (4) |
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130 | (3) |
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Chapter 5 Methods for joint inversion and analysis of EM and other geophysical data |
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133 | (34) |
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133 | (2) |
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5.2 Simultaneous inversion |
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135 | (10) |
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5.3 Cooperative inversion |
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145 | (3) |
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5.4 Classification methods |
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148 | (10) |
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158 | (9) |
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160 | (7) |
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Part 2 Models of geological medium |
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Chapter 6 Electromagnetic study of geothermal areas |
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167 | (40) |
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167 | (1) |
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6.2 Conceptual models of geothermal areas |
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168 | (2) |
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6.3 Factors affecting electrical resistivity of rocks |
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170 | (7) |
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6.4 EM imaging of geothermal areas |
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177 | (9) |
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6.5 Electromagnetic mapping faults and fracturing |
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186 | (6) |
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6.6 EM monitoring of the geothermal reservoirs |
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192 | (1) |
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6.7 Constraining locations for drilling boreholes |
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193 | (4) |
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197 | (10) |
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198 | (9) |
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Chapter 7 3-D magnetotelluric sounding of volcanic interiors: methodological aspects |
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207 | (36) |
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207 | (1) |
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7.2 Geological noise and relief topography treatment (Kilauea volcano, Hawaii, case study) |
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208 | (4) |
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7.3 Fast 3-D inversion of MT data (Komagatake volcano, Japan, case study) |
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212 | (4) |
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7.4 Assessment of the magma chamber parameters (Vesuvius volcano, Italy, case study) |
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216 | (9) |
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7.5 Modeling of remote MT monitoring of the melt condition in the magma chamber |
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225 | (4) |
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7.6 Remote imaging magma chamber from MT sounding data and satellite photo (Elbrus volcano, Caucasus, case study) |
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229 | (9) |
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238 | (5) |
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239 | (4) |
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Chapter 8 A conceptual model of the Earth's crust of Icelandic type |
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243 | (34) |
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243 | (1) |
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8.2 Geological and geophysical information |
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244 | (6) |
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8.3 Building of 3-D resistivity model |
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250 | (6) |
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8.4 Temperature recovering from EM data |
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256 | (3) |
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8.5 3-D temperature model |
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259 | (7) |
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266 | (2) |
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268 | (2) |
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8.8 Conceptual model of the crust |
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270 | (2) |
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272 | (5) |
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272 | (5) |
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Chapter 9 Conceptual model of a lens in the upper crust (Northern Tien Shan case study) |
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277 | (34) |
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277 | (11) |
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288 | (3) |
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291 | (2) |
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293 | (5) |
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9.5 Porosity and fluid saturation |
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298 | (3) |
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301 | (4) |
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305 | (6) |
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306 | (5) |
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Chapter 10 Conceptual model of the copper-porphyry ore formation (Sorskoe copper-molybdenum ore deposit case study) |
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311 | (20) |
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311 | (1) |
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10.2 Geological and geophysical setting |
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312 | (3) |
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10.3 Characteristics of the Sorskoe copper-molybdenum deposit |
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315 | (1) |
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10.4 Electromagnetic studies |
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316 | (4) |
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320 | (3) |
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323 | (1) |
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324 | (1) |
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10.8 Conceptual model of the deposit |
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325 | (3) |
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328 | (3) |
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328 | (3) |
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Chapter 11 Electromagnetic sounding of hydrocarbon reservoirs |
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331 | (18) |
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331 | (1) |
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11.2 Mapping zones of hydrocarbon fluids migration |
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332 | (1) |
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11.3 Decreasing the probability of drilling dry holes |
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333 | (2) |
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11.4 Ranking drilling targets |
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335 | (1) |
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336 | (2) |
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11.6 Estimation of porosity beyond boreholes |
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338 | (1) |
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11.7 Constraining spatial boundaries of a deposit |
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339 | (2) |
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11.8 Optimization of a working cycle |
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341 | (1) |
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11.9 Forecasting reservoir rock properties while drilling |
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341 | (3) |
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344 | (5) |
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344 | (5) |
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Part 3 Forecasting petrophysical properties of rocks |
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Chapter 12 Temperature forecasting from electromagnetic data |
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349 | (44) |
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349 | (1) |
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12.2 Electromagnetic geothermometer |
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350 | (2) |
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12.3 Interpolation in the interwell space |
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352 | (8) |
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12.4 EM temperature extrapolation in depth |
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360 | (14) |
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12.5 Building temperature model from MT sounding data (Soultz-sous-Forets, France, case study) |
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374 | (13) |
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387 | (6) |
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388 | (5) |
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Chapter 13 Recovering seismic velocities and electrical resistivity from the EM sounding data and seismic tomography |
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393 | (22) |
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393 | (2) |
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395 | (2) |
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397 | (3) |
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13.4 Methodology of modeling |
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400 | (1) |
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13.5 Recovering of seismic velocities from electrical resistivity |
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401 | (6) |
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13.6 Recovering of electrical resistivity from seismic velocities |
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407 | (4) |
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411 | (4) |
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412 | (3) |
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Chapter 14 Porosity forecast from EM sounding data and resistivity logs |
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415 | (16) |
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415 | (2) |
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14.2 Lithology and porosity data |
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417 | (2) |
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14.3 Electrical resistivity data |
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419 | (3) |
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14.4 Modeling methodology |
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422 | (1) |
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14.5 Porosity forecast in depth |
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423 | (1) |
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14.6 Porosity forecast in the interwell space |
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424 | (3) |
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427 | (4) |
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427 | (4) |
Appendix A Empirical formulas relating electrical conductivity, seismic velocities, and porosity |
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431 | (8) |
Index |
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439 | |