Standard Methods of Geophysical Formation Evaluation

 
 
CRC Press Inc
  • 1. Auflage
  • |
  • erschienen am 29. Dezember 1997
 
  • Buch
  • |
  • Hardcover
  • |
  • XIII, 442 Seiten
978-1-56670-261-4 (ISBN)
 
These three works cover the entire field of formation evaluation, from basic concepts and theories, through standard methods used by the petroleum industry, on to new and exciting applications in environmental science and engineering, hydrogeology, and other fields. Designed to be used individually or as a set, these volumes represent the first comprehensive assessment of all exploration methodologies. No other books offer the breadth of information and range of applications available in this set.
  • Englisch
  • Bosa Roca
  • |
  • USA
Taylor & Francis Inc
  • Für höhere Schule und Studium
  • |
  • Für Beruf und Forschung
  • |
    • Petroleum and mineral geologists
    • Environmental engineers involved in site remediation
    • Hydrogeologists
    • Civil and mining engineers
    • Archaeologists
    • Exploration geophysicists
    • Environmental Lawyers
    • Students in geophysics and geology programs
  • 36 s/w Tabellen, 56 s/w Photographien bzw. Rasterbilder
  • |
  • 363 equations; 56 Halftones, black and white; 36 Tables, black and white
  • Höhe: 235 mm
  • |
  • Breite: 156 mm
  • 830 gr
978-1-56670-261-4 (9781566702614)
1566702615 (1566702615)
Resistivity Methods
Introduction
Unfocused Resistivity Methods
Single Electrode Systems
Equivalent Circuit
Effect of Formation Resistivity
Volume of Investigation
Averaging within the Volume of Investigation
Position of the Return Electrode
Return Electrode Grounding Resistance
Multi-Electrode Systems
Normal Resistivity Devices
Empirical Method to Estimate Rt
Departure Curves
Lateral Resistivity Devices
General Expression for Resistivity Devices
Microresistivity Systems
Miscellaneous Resistivity Items
Surface Resistivity Methods
Focused Resistivity Methods
Focusing Electrode Devices, Omnidirectional
3-Electrode Guard Logs
7-Electrode Guard Logs
Shallow Investigating Guarded Electrode Device
Spherically Focused Systems
Radial Pseudo-Geometrical Factors
Sidewall Guarded Electrode Systems
Microlaterolog (MLL)
Proximity Log (PL)
Microspherically Focused Log (MSFL)
General Reduction Procedure
Induction Methods
Introduction
Principle
Conventional Induction Logs
Phasor Induction Systems
Array Induction Logs
Factors Affecting Induction Logs
Skin Effect
Bed Boundary Effects
Thin Bed Response
Dipping Beds
Net Bed Boundary Response
Data Reduction
Borehole Corrections
Adjacent Bed Correction
Invaded Zone Correction
Resistivity Log Interpretation
Introduction
The Archie Method
Values of the Cementation Exponent
The Ratio Method
The Rocky Mountain Method
The Migrated Hydrocarbon Method
Estimation of Permeability from Resistivity Gradient
Determination of the Diameter of Invasion
Reading "Tornado" Charts, Detail
Rt vs. ? Crossplot, The Pickett Plot
The Nonlinear (Hingle) Crossplot
The Movable Hydrocarbon Method
The FR,a vs. FR Method
The RW,a vs. RW Method
Non-Hydrocarbon Usage of Resistance and Resistivity
Spontaneous Potentials
Introduction
Principles
Physical Principles
Absorption or Shale Potential
The Electrochemical or Diffusion Potential
Effect of Ion Types
Thin Beds
Formation Water Resistivity, RW
Taking Ion Types into Consideration
The Effect of Shale
Direction of Deflection
Formation Resistivity Effects
The Static SP
Calculation of Salinity
Reduction of Data
Example
The Electrokinetic Component
Redox Component
Problems with SP Measurements
Resistance Component
Sensitivity to Motion
Electrodes Touching the Sidewall
Bimetallism
Improper Electrode Material
Methods of Determining RW and Use of RW Calculations
SP vs. RXO/Rt; the Ratio Method
Ionic Conduction
RW from Resistivity Values
The Use of RWa
The Dual Water Model
RW from RXO and Rt
Dunlap Multipliers
The SP Measurement in Fresh Water Sands
Natural Gamma Radiation
Introduction
Radiation from Formation Materials
Clays
Sands
Carbonates
Igneous and Metamorphic Materials
Fractures and Faults
Gross or Total Count Gamma Ray Systems
Ranges of Detection
Equilibrium
Volume of Investigation and Borehole Corrections
Calibrations
Uses
Volume of Clay/Shale Estimation, Vsh
Correlation
Lithology
Dead Time
Bed Boundary Effects
Thin Beds
Dipping Beds and Slant Holes
Grade Calculations
Fracture Detection
Tracers
Gamma Ray Spectroscopy
Introduction
Chemical and Geological Implications
System Types
Detectors
Single Window Systems
KUT Systems
MCA Systems
Monitoring Systems
Problems with Spectrographic Systems
Major Mineral Systems
Uraniferous Minerals Systems
Thorium Minerals
Potassium Minerals
General
Miscellaneous Effects
Spectrometric Ratios
Uses of Ratios
Crossplotting
Scattered Gamma Ray Methods
Introduction
Formation Density Logging
Source Energy Requirements
Operation
Example 1, The Mole Fraction Method
Example 2, The Molecular Mass Method
Downhole Tool Types
Omnidirectional Density Systems
Single Spacing Sidewall Systems
Mudcake Compensated Density Systems
Calibrations
Interference by Natural Gamma Radiation
Rock Type Identification
Example 3, Mineral Identification and Z/
"fundamental knowledge and general rules of well logging are gathered and clearly presented and the reviewed book can play important role in the education of log analysts." -Jadwiga Jarzyna, Environmental Protection

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