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[null,"1.","Record Nr.",null,"UNINA9911006888503321"]
[null,null,"Autore",null,"Serra Oberto"]
[null,null,"Titolo",null,"Fundamentals of well-log interpretation . 1 The acquisition of logging data / / O. Serra ; translated from the French by Peter Westaway and Haydn Abbott"]
[null,null,"Pubbl/distr/stampa",null,"Amsterdam ; ; New York, : Elsevier, 1984"]
[null,null,"ISBN",null,"1-281-77828-1"]
[{"$nulls":4},"9786611778286"]
[{"$nulls":4},"0-08-086869-X"]
[null,null,"Descrizione fisica",null,"1 online resource (xii, 423 pages) : illustrations"]
[null,null,"Collana",null,"Developments in petroleum science ; ; 15A"]
[null,null,"Disciplina",null,"622.18282"]
[{"$nulls":4},"622/.18282 19"]
[{"$nulls":4},"622.3382"]
[null,null,"Soggetti",null,"Oil well logging"]
[{"$nulls":4},"Petroleum engineering"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Translation of: Diagraphies differees."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,"Nota di contenuto",null,"Front Cover; Fundamentals of Well-log Interpretation; Copyright Page; Contents; Preface; Foreword to the French edition; Foreword to the English edition; Chapter 1. Review of basic concepts; 1.1. The definition of a \"\" well-log''; 1.2. The importance of well-logs; 1.3. The definition of rock composition; 1.4. Rock texture and structure; 1.5. Conclusions; 1.6. References; Chapter 2. Logging techniques and measurements; 2.1. Classification of log measurements; 2.2. Problems specific to well-log measurements; 2.3. Loggng equipment-surface and downhole; 2.4. Log presentation"]
[{"$nulls":4},"2.5. Repeatability and calibrations; 2.6. Data transmission; 2.7. References; Chapter 3. The measurement of resistivity; 3.1. Introduction; 3.2. Non-focused long-spacing tools; 3.3. Focused long-spacing tools; 3.4. Non-focused microtools: the microlog (ML); 3.5. Focused microtools; 3.6. Conclusions; 3.7. References; Chapter 4. The spontaneous potential-SP; 4.1. The origin of the electrokinetic potential; 4.2. The origin of the electrochemical potential; 4.3. Ionic activity concentration and resistivity; 4.4. The static SP; 4.5. Amplitude and shape of SP peaks; 4.6. Geology and the SP"]
[{"$nulls":4},"4.7. Applications; 4.8. References; Chapter 5. An introduction to nuclear logs; 5.1. Definition; 5.2. Recording capability; 5.3. Statistical "]
[{"$nulls":4},"variations; 5.4. Dead-time; 5.5. Logging speed; 5.6. Bed thickness; 5.7. Measuring point; 5.8. References; Chapter 6. Measurement of the nature1 gamma radioactivity; 6.1. Definition natural radioactivity; 6.2. Basic concepts; 6.3. The origin of natural radioactivity in rocks; 6.4. Minerals and rocks containing radioactive elements; 6.5. Measurement of gamma radiation; 6.6. Measuring point; 6.7. Radius of investigation; 6.8. Vertical definition"]
[{"$nulls":4},"6.9. Factors affecting the gamma-ray response; 6.10. Applications; 6.11. Calibration; 6.12. References; Chapter 7. Natural gamma-ray spectrometry; 7.1. Principles; 7.2. Tool description; 7.3. Detector; 7.4. Calibration; 7.5. Radius of investigation; 7.6. Fundamental factors influencing the measurement; 7.7. Computation of Th U and K content; 7.8. Filtering; 7.9. Applications; 7.10. Environmental and other effects; 7.11. References; Chapter 8. Neutron logs; 8.1. General; 8.2. Measurement of the apparent hydrogen index; 8.3. References; Chapter 9. Induced gamma-ray spectrometry"]
[{"$nulls":4},"9.1. Early capture gamma-ray spectrometry- the chlorine log; 9.2. Modern induced gamma-ray techniques-inelastic and capture spectrometry; 9.3. References; Chapter 10. Thermal decay time measurements; 10.1. Background theory; 10.2. Tool principle; 10.3. Neutron source; 10.4. Detectors; 10.5. Spacing; 10.6. Units; 10.7. Calibration (see Appendix 5); 10.8. Measure points; 10.9. Vertical resolution; 10.10. Depth of investigation; 10.11. Factors influencing the Z measurement; 10.12. Environmental effects; 10.13. Geological factors affecting the Z measurement; 10.14. Porosity and gas indication; 10.15. Applications"]