Geological Well Logs: Their Use in Reservoir ModelingWhen I joined Schlumberger in 1982 I was surprised to find very few geologists in the company, and the few there were worked more as log analysts than geol ogists. The reason for this became soon clear to me: Except for the dipmeter there was no tool, and no other service, that was considered "geological". Schlumber ger geologists were supposed to work with dipmeters, and, if they had a taste for it, the natural gamma-ray spectroscopy logs. It turned out that my timing was fortunate. At Schlumberger's research center, in Ridgefield, Connecticut, a prototype electrical imaging tool had been designed, and after having spent three years in the Middle East I was transferred there. The first field test results were just coming in, and the images were startling. We could see geological details that nobody had ever seen from a log: cross-beds, unconformities, pebbles, fractures, folds, faults. No cores were needed to confirm the reality of these data; they were too real to be artifacts. |
Contents
I | 3 |
III | 8 |
IV | 9 |
VI | 10 |
VII | 12 |
VIII | 21 |
IX | 24 |
X | 25 |
LXII | 198 |
LXIII | 200 |
LXIV | 201 |
LXV | 206 |
LXVI | 210 |
LXVII | 212 |
LXVIII | 213 |
LXIX | 216 |
XI | 29 |
XII | 31 |
XIII | 35 |
XIV | 37 |
XV | 41 |
XVI | 46 |
XVII | 49 |
XVIII | 51 |
XIX | 60 |
XX | 61 |
XXI | 65 |
XXII | 71 |
XXIII | 74 |
XXIV | 76 |
XXV | 78 |
XXVI | 80 |
XXVII | 82 |
XXVIII | 83 |
XXIX | 89 |
XXX | 91 |
XXXI | 94 |
XXXII | 96 |
XXXIII | 103 |
XXXIV | 108 |
XXXV | 116 |
XXXVI | 118 |
XXXVII | 124 |
XXXVIII | 129 |
XXXIX | 132 |
XL | 136 |
XLI | 137 |
XLIII | 139 |
XLIV | 143 |
XLV | 144 |
XLVI | 147 |
XLVII | 151 |
XLVIII | 154 |
XLIX | 155 |
L | 159 |
LI | 161 |
LII | 171 |
LIII | 173 |
LIV | 174 |
LV | 178 |
LVI | 180 |
LVII | 183 |
LVIII | 188 |
LIX | 191 |
LX | 194 |
LXI | 197 |
LXX | 222 |
LXXI | 224 |
LXXII | 228 |
LXXIII | 233 |
LXXIV | 236 |
LXXV | 238 |
LXXVI | 240 |
LXXVII | 244 |
LXXVIII | 245 |
LXXIX | 247 |
LXXX | 248 |
LXXXI | 250 |
LXXXII | 252 |
LXXXIII | 253 |
LXXXIV | 258 |
LXXXV | 259 |
LXXXVI | 260 |
LXXXVII | 266 |
LXXXVIII | 267 |
LXXXIX | 268 |
XC | 271 |
XCII | 284 |
XCIII | 290 |
XCIV | 294 |
XCV | 297 |
XCVI | 298 |
XCVII | 300 |
XCVIII | 305 |
XCIX | 308 |
C | 311 |
CI | 314 |
CII | 317 |
CIII | 318 |
CIV | 321 |
CV | 325 |
CVI | 330 |
CVII | 333 |
CVIII | 337 |
CIX | 340 |
CX | 342 |
CXI | 345 |
CXII | 350 |
CXIV | 353 |
CXV | 355 |
CXVI | 357 |
CXVII | 358 |
CXVIII | 364 |
| 366 | |
| 367 | |
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Common terms and phrases
analysis Ann Conf Soc azimuth bedforms borehole images borehole wall breakouts carbonate clay computed Conf Soc Petr core correlation density deposits depth dipmeter dipmeter curves dipmeter interpretation distribution dolomite downhole drill bit electrical borehole images electrical images electrodes equation example facies fault fluid formation evaluation gamma ray log gamma ray spectroscopy Geol Soc Spec geological geologist geometry geosteering Herron hole horizontal interval layers lithology Log Analysts logging speed Lovell Luthi magnetic field Mark of Schlumberger measurement meters method minerals NMR logging nuclear obtained pads paleomagnetic Paper permeability Petrol Eng petrophysical plane pore porosity processing Prof Well Log relaxation resistivity imaging rock samples sand sandstone saturation Schlumberger sedimentary seismic sensor sequence shale shown in figure Soc Petr Eng Soc Petrol Soc Spec Publ spectroscopy structures surface Symp Soc Prof T₂ techniques thickness tion tool Trans turbidite unconformity volume wellbore Wireline Logs zonation zones
References to this book
Petrophysical Properties of Crystalline Rocks Peter K. Harvey,Geological Society of London Limited preview - 2005 |
Future Energy: Improved, Sustainable and Clean Options for our Planet Trevor M. Letcher No preview available - 2008 |


