Copyright — E. Crain, P. The full version of this Manual is more than pages and a few selected pages are shown here to illustrate the style of writing and the quality of the illustrations. There are 9 other manuals in the Series. Orders can be placed at www.
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Copyright — E. Crain, P. The full version of this Manual is more than pages and a few selected pages are shown here to illustrate the style of writing and the quality of the illustrations.
There are 9 other manuals in the Series. Orders can be placed at www. Compare this sample to course handouts provided elsewhere and decide for yourself which is easier to read and refer to in the future. We offer practical, no-nonsense courseson a variety of petrophysical topics. Each seminar is supported by a full colour Reference Manual and visual presentation with practical exercises.
We sell solutions, not logging tools. Narration simulates a live, in-house course presentation. A Certificate of Proficiency is awarded upon completion of assignments. These practical, no- nonsense, courses are intended for personal study at work or at home. Workload is at 3rd or 4th year University level.
No prior knowledge of logs is required, but some facility with basic math is an asset. FREE Sample Lecture 17 MB You can run the slide shows at your own speed, repeat individual slides, pause to read more in the supplied Reference Manuals, have a coffee, feed the baby, or check your email - you can plan your time to suit your personal situation.
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Crain's Petrophysical Handbook - What is a Well Log
Layer A is a very shaly sand, Layers B and C are clean sands. The layers above A, and between A and B, and below C are shales with medium resistivity about 20 ohm-m , moderately high GR API units , and SP on the right side of the log track zero deflection to the left. Clean and shale lines are drawn on the SP and GR logs. These are by far the most common minerals in sedimentary rocks. If you prefer rock names, the rules will distinguish sandstone, limestone, dolostone, anhydrite, and rock salt - same stuff, alternate names. Sandstone has up to 7 porosity units crossover. On Sandstone Units logs, separation for sandstone is near zero, limestone is about 7 porosity units, dolomite is 15 or more, and anhydrite is 22 or more.
Crain's Petrophysical Handbook