A simple empirical friction correction allows for the interpretation of previously uninterpretable differential-pressure density logs. This second in a three-article series (Part 1, OGJ, Dec. 4, 2000, ...
An empirical method, designated as DMR (density-magnetic resonance) porosity, combines density and nuclear magnetic resonance porosities to improve the estimate of tight gas sand porosity. The DMR ...
The log-concave maximum likelihood estimator of a density on the real line based on a sample of size n is known to attain the minimax optimal rate of convergence of O(n−4/5) with respect to, for ...
This is a preview. Log in through your library . Abstract The log-density functional ANOVA model provides a powerful framework for the estimation and interpretation of high-dimensional densities.
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