What is it about?
We investigate the well-log interpretation error introduced by nonstationarity, and use statistical and machine learning methods to mitigate the errors. At the same time we reveal the statistical assumptions of classical well-log preprocessing methods and discuss the proper scenarios of applications.
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Why is it important?
For the first time we analyzed the statistical assumptions of statistical well-log preprocessing methods, lay the theoretical foundation for future study on statistical well-log preprocessing. The new methods to mitigate nonstationary error will help improve the well-log interpretation accuracy.
Perspectives
It is great to write this paper to understand the limitation of well-log preprocessing methods and develop new methods to resolve them.
Wen Pan
University of Texas at Austin
Read the Original
This page is a summary of: Improving multiwell petrophysical interpretation from well logs via machine learning and statistical models, Geophysics, March 2023, Society of Exploration Geophysicists, DOI: 10.1190/geo2022-0151.1.
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