On-demand
10 – Gas Sands
$99.00
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What you will learn
- Gas effects and the impact of log scales on gas zone identification
- Step-by-step procedures for calculations
- “Computer-ready” mathematics
- Exercises and worked examples for further study
Description
This quantitative course continues coverage of basic petrophysical analysis with an investigation of the effects of gas on logs, and our mathematical solution to the problem. You will learn that when both density and neutron logs are available on appropriate scales, we can sometimes recognize the presence of gas by an artifact called “gas cross-over”. However, we can have gas with no cross-over and cross-over with no gas, so the technique is far from foolproof. This is where mud logs, production tests, and local knowledge help out. Three examples illustrate the topic.
Prerequisites
- Crain’s Integrated Petrophysics, Lectures 1 to 9 or equivalent background.
- Basic understanding of geology and well logging.
Curriculum
- Compatible Scale Logs for Gas Identification
- Gas Effect in Sandstones and Shaly Sands
- Add gas correction to the shale corrected density neutron complex lithology porosity model
- Exercise 5: Shallow Gas in Clean and Shaly Sands
- Exercise 6: Gas, Depleted Gas, Tar Sands
- Exercise 7: Gas in Clean Sand, Shaly Sand, and Gas Shale/Silt
Target Audience
Those who wish to become proficient in petrophysical analysis or who need to manage or make use of petrophysical results will benefit from this course, including:- Managers,
- Geologists,
- Log analysts,
- Geophysicists,
- Reservoir engineers,
- Completion engineers,
- Stimulation engineers, and
- University / Tech school students
Specification: 10 – Gas Sands
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About the Publisher
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Crain's Petrophysical Handbook - Store Name: Crain's Petrophysical Handbook
- E. R. (Ross) Crain, P.Eng. is a retired Consulting Petrophysicist and Professional Engineer living in Calgary, Alberta, Canada. In a career that spans 50+ years, he has specialized in integrated petro... Read More > Read More
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