http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Theory, measurement, and interpretation of well logs
Henry L. Doherty Memorial Fund of AIME, Society of Petroleum Engineers
1 online resource (ix, 372 pages) : illustrations.
ELECTRICAL RESISTIVITY OF ROCKS: Definition of electrical resistivity -- Nature of electrical resistivity of reservoir rocks -- Formation resistivity factor -- Effect of formation-water salinity and temperature on rock resistivity -- Rock resistivity/porosity relationship -- Relationship between formation resistivity factor and permeability -- Relationship between rock resistivity and fluid saturation -- Electrical properties of shaly sands -- RADIOACTIVE PROPERTIES OF ROCKS: Structure of the atom -- Energy states and radioactivity -- Nature and type of natural radiation -- Rate of radioactive decay -- Natural gamma ray and gamma ray logging -- Gamma ray interactions -- Absorption of gamma rays -- Gamma ray absorption logging -- The neutron -- Neutron interactions -- Neutron diffusion -- Neutron logging methods -- ACOUSTIC PROPERTIES OF ROCKS: Basic concepts of elasticity -- Acoustic-wave propagation in fluid-filled borehole-- Acoustic-wave propagation in rocks -- Porosity/transit-time relationships -- MEASUREMENT ENVIRONMENT: Measurement environment effects -- Borehole diameter and Shape -- Mud, mud-filtrate, and mudcake properties -- Invasion profile -- Formation temperature -- Record of measurement environment -- RESISTIVITY LOGS: Apparent resistivity -- Conventional electrode tools -- Focused current devices -- Induction devices -- True resistivity determination -- Determination of Rxo from micro resistivity tool readings -- The SPONTANEOUS POTENTIOL LOG: Naturally occurring electrical potentials -- The SP log -- Origin of the SP -- Theoretical EssP vs. measured SP -- Determination of formation water resistivity -- Character and shape of the SP deflection -- GAMMA RAY LOG: Detection and measurement of nuclear radiation -- Unit of measurement -- Statistical variations -- Logging speed -- Tool response -- Applications of the gamma ray log -- Gamma ray spectrometry log -- GAMMA RAY ABSORPTION LOGS: Single-detector formation density tool -- Dual-detector density tool -- Tool calibration -- Porosity from density log response -- Litho-density tool --
NEUTRON LOGS: Types of detectors -- N-G tool -- Sidewall neutron log -- Dual-detector neutron tool -- Pulsed neutron tools -- SONIC POROSITY LOG: Single-receiver system -- Dual-receiver system -- Borehole-compensated dual-transmitter system -- Long-spacity system -- Amplitude and waveform sonic systems -- CONVENTIONAL INTERPRETATION TECHNIQUES: Acquiring raw data from logs -- Basic concepts of conventional interpretation technique -- Calculation of recoverable hydrocarbons -- Concept of critical or cutoff saturation -- Concept of critical or cutoff porosity -- Concept of movable oil saturation -- Advantages and limitations of conventional interpretation technique -- RECONNAISSANCE INTERPRETATION TECHNIQUES: Rwa technique -- The Ro log -- The FxoiFs approach -- The RxoiRt method -- MOP's -- PATTERN-RECOGNITION INTERPRETATION TECHNIQUES(Crossplotting): Nonlinear-resistivity/linear-porosity (Hingle) crossplot -- Log Rt vs. log [Phi] Pickett crossplot -- Flushed-zone resistivity/porosity crossplots -- Interplay of hingle and pickett crossplots -- INTERPRETATION IN COMPLEX LITHOLOGIES: Lithology/porosity interpretation with two porosity tools -- Lithology/porosity interpretation with three porosity tools -- Lithology/porosity interpretation with the litho-density tool -- LOG INTERPRETASTION OF SHALT FORMATIONS: Shale content from the SP log -- Shale content from the gamma ray log -- Porosity logs in shaly formations -- Effective porosity and shale content from porosity logs -- Density/neutron crossplot for shaly formation -- Water saturation determination in shaly formation -- EVEALUATION OF GAS-BEARING FORMATIONS: Effect of gas on the neutron log response -- Effect of gas on the density log response -- Effect of gas on sonic log response -- Visual gas detection with porosity overlays -- Porosity determination in gas-bearing formations -- Saturation determination in gas-bearing formations -- Gas effect on lithology/porosity crossplots -- Shaly gas-bearing formations.
Includes bibliographical references and indexes.
Richardson, TX : Henry L. Doherty Memorial Fund of AIME, Society of Petroleum Engineers, 1994