M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. How to get value from Mineral logging technology? What measurements work best and why?
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. How to assure measurement precision? All about the Full Waveform Sonic log and how to use it.
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A closer look at the density log - what is being measured - what about chemistry? Borehole compensation in less than perfect conditions
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A closer look at the density log - what is being measured - what about chemistry? Borehole compensation in less than perfect conditions
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. This is the first anniversary edition A review of the first 6 bulletins All about the natural gamma log
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Logging - make a plan The magnetic susceptibility log Cross-plots
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Borehole navigation technoloquts The forgotten sonde (formation dipmetter)
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Wireline logging basics A reaview of the logs Two-YearAnniversary Issue The Pe mesasurement Transportting the unit
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Water and rain Borehole fluid Fluid temperature Formation temperature Horizontal logging
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Logging then and now Potash Natural Gamma and bed thickness
M. Chatfield. — Wireline Workshop CC, South Africa. — 14 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Sonic log quality Geotechnical logging
M. Chatfield. — Wireline Workshop CC, South Africa. — 11 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. The density log Induced Polarisation More on radiation safety
M. Chatfield. — Wireline Workshop CC, South Africa. — 12 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Uranium Coal seam density issues The PFN tool
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Borehole images The induction tool Log versus lab density
M. Chatfield. — Wireline Workshop CC, South Africa. — 15 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Coalbed methane (a practical guide) The CBL measurement Log versus lab density
M. Chatfield. — Wireline Workshop CC, South Africa. — 14 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Optical Televiewer issues Caliper logs and different tool types Coal density ‐ the final part of a series by Binzhong Zhou
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. DIFs and stress Breakout The Africa an logger The fluid sampling tool
M. Chatfield. — Wireline Workshop CC, South Africa. — 16 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Boreholes, Breakout and GGamma logs
M. Chatfield. — Wireline Workshop CC, South Africa. — 16 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. A Review of the technology NMR/BMR logging
M. Chatfield. — Wireline Workshop CC, South Africa. — 13 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. A Review of the Basics (part 2) NMR/BMR logging continued
M. Chatfield. — Wireline Workshop CC, South Africa. — 13 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. A Review of the Basics (part 3) Rock Mass Rating ‐ a guest's perspective
M. Chatfield. — Wireline Workshop CC, South Africa. — 13 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Radiation issues Core Density Happy Neew Year!
M. Chatfield. — Wireline Workshop CC, South Africa. — 15 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Rock mechanics UCS and PLT Picking structures
M. Chatfield. — Wireline Workshop CC, South Africa. — 14 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. More on the sonic log The Spontaneous Potential log Full Waveform Sonic processing
M. Chatfield. — Wireline Workshop CC, South Africa. — 14 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. More on the sonic log The Spontaneous Potential log Full Waveform Sonic processing
M. Chatfield. — Wireline Workshop CC, South Africa. — 15 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. What is radiation? Uses of gamma radiation. Spectral gamma data processing.
M. Chatfield. — Wireline Workshop CC, South Africa. — 13 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. The Density Log and some Adventures in Colombia. A Short Introduction to the WellCAD Automation Module, A Guest article by Timo Korth of ALT
M. Chatfield. — Wireline Workshop CC, South Africa. — 17 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. One Interesting Measurement Considered. The mineral resistivity sonde. Hard rock Resistivity Logs. The Resistivity Log does have Value after all. The Natural Gamma Ray Log. Comparing the Capture of Resistivity and...
M. Chatfield. — Wireline Workshop CC, South Africa. — 14 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Sedimentary rocks. Cross‐plots.
M. Chatfield. — Wireline Workshop CC, South Africa. — 17 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Images. A trip to the Western Sahara. The Downhole Camera.
M. Chatfield. — Wireline Workshop CC, South Africa. — 14 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Picking structures. Drilling‐induced events. NMR applications.
M. Chatfield. — Wireline Workshop CC, South Africa. — 11 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. What do we Offer? The Basic Merits of a Wireline Log. Quantitative Measurements. The Porosity Logs. Nuclear Magnetic Resonance. Sonic Logs for Geotechnical Applications. Borehole Images. Footnote.
M. Chatfield. — Wireline Workshop CC, South Africa. — 9 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Borehole Radar Time and motion Fishing a sonde
M. Chatfield. — Wireline Workshop CC, South Africa. — 11 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Some History Neutron ‐ Neutron Radiation Risk
M. Chatfield. — Wireline Workshop CC, South Africa. — 1 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Oh Dear… It’s time to work through some theory! Neutron and Density Interactions. Interlude. Optical Televiewer Imagery. Nuclear Interactions Continued. Interlude – Where You Can Reduce the Spacing (Experiences Down...
M. Chatfield. — Wireline Workshop CC, South Africa. — 13 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Is it worth it? Density Logs – Their Value. Density Logs – Porosity. Density Logs – Other Applications. Density Logs – Combination.
M. Chatfield. — Wireline Workshop CC, South Africa. — 11 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Logging for gas. A Rare Target GAS. Directional Gamma Ray Tool.
M. Chatfield. — Wireline Workshop CC, South Africa. — 16 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Seven Years of Bulletins A Rambling Review Structure Logs Auto-Picking Image Data
M. Chatfield. — Wireline Workshop CC, South Africa. — 11 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. 3D Logs – Where’s the Beef? Structure Log Analysis using 2D Representation.
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Depth Alarm More Structures Polar Plots
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Depth Alarm Continued The Wireline Cable Gamma Logs
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Goodbye Dick Reeves Borehole navigation Comparing images
M. Chatfield. — Wireline Workshop CC, South Africa. — 10 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Helium gas exploration Radiation disasters
M. Chatfield. — Wireline Workshop CC, South Africa. — 9 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Health and Safety Log Measurements Sonic Measurements
M. Chatfield. — Wireline Workshop CC, South Africa. — 9 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Sonic and Rock Strength Borehole Navigation
M. Chatfield. — Wireline Workshop CC, South Africa. — 9 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Colombian Coal Borehole Navigation (2)
M. Chatfield. — Wireline Workshop CC, South Africa. — 13 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Images and Structures. Logging the Flux.
M. Chatfield. — Wireline Workshop CC, South Africa. — 12 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Distractions. Errors. Check Lists.
M. Chatfield. — Wireline Workshop CC, South Africa. — 12 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Quantitative Logs Quantitative copper grade (from JC Bachman). Wireline Log Measurement. A Bit of History. Other Navigation Devices. The imaging tools. The Physical Property Logs. Porosity. True north-seeking...
M. Chatfield. — Wireline Workshop CC, South Africa. — 14 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Cross-hole correlation Gyros Fully Understood?
M. Chatfield. — Wireline Workshop CC, South Africa. — 13 p. A bimonthly bulletin for wireline loggers and geoscientists engaged in mining and mineral exploration. Geotech revisited Image Log Interpretation
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