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. |
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Cap. 2.1 Las medidas de geología
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 |
XCI | 271 |
XCIII | 284 |
XCIV | 290 |
XCV | 294 |
XCVI | 297 |
XCVII | 298 |
XCVIII | 300 |
XCIX | 305 |
C | 308 |
CI | 311 |
CII | 314 |
CIII | 317 |
CIV | 318 |
CV | 321 |
CVI | 325 |
CVII | 330 |
CVIII | 333 |
CIX | 337 |
CX | 340 |
CXI | 342 |
CXII | 345 |
CXIII | 350 |
CXV | 353 |
CXVI | 355 |
CXVII | 357 |
CXVIII | 358 |
CXIX | 364 |
366 | |
367 | |
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Common terms and phrases
analysis applications approach azimuth bedding borehole images calculated carbonate caused changes chapter clay computed conductive contains core correlation corresponding curves density deposits depth determined developed dipmeter direction discussed distribution downhole drill earth's magnetic field electrical elements equation estimate et al example factor fault field Figure fluid formation fractures gamma ray Geol geological higher hole horizontal important increase indicated induced interpretation interval layers lithology Log Analysts lower magnetic measurement meters method minerals natural obtained patterns permeability permission Petrol plane plot points pore porosity present processing production Prof Well Log relatively relaxation reservoir resistivity resolution response rock samples sand sandstone scale Schlumberger sequence shale shown shows similar structures surface Symp Soc Prof techniques thickness tion tool Trans types values vertical volume wireline 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 |