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Kriging method versus classical statistics in estimating mineral reserves

Journal Article · · Mater. Soc.; (United States)
OSTI ID:6343535
The purpose of this paper is to provide a decision maker with background information on what the Kriging technique is and how it can be used in reserve estimation. It does not attempt to offer a judgement as to whether or not the Kriging method is the best method for determining the amount of oil and gas in place, but concentrates on outlining the basic theoretical and practical principles of the Kriging method. Because the objective is to provide decision makers who are not well versed in advanced mathematics and statistics with a basic understanding of the Kriging method, the mathematical analysis is simplified as much as possible. Furthermore, the mathematical and statistical treatment of the theory is reduced to a necessary minimum and a detailed explanation of each step is provided. Following the introduction the six-part paper presents a discussion regarding the application of classical statistics to reserve estimation; outlines some important features of the theory of regionalized variables and also derives the semivariogram; discusses the Kriging and the Universal Kriging methods; and provides an example in which the classical statistical estimation method and the Kriging technique are applied to the estimation of the average grade of a silver block. 8 references.
Research Organization:
Pennsylvania State Univ., University Park
OSTI ID:
6343535
Journal Information:
Mater. Soc.; (United States), Journal Name: Mater. Soc.; (United States) Vol. 3:2; ISSN MSOCD
Country of Publication:
United States
Language:
English