Geostatistical drillhole spacing analysis for coal resource classification in the Bowen Basin, Queensland

被引：14

作者：

Bertoli, Olivier ^{[1
]}

Paul, Andrew ^{[2
]}

Casley, Zach ^{[3
]}

Dunn, Doug ^{[4
]}

机构：

[1] Geovariances Pty Ltd, Wynnum, Qld 4178, Australia

[2] Ex BHP Billiton Mitsubishi Alliance Coal, Brisbane, Qld 4001, Australia

[3] Geovariances, F-77215 Avon, France

[4] BHP Billiton Mitsubishi Alliance Coal, Brisbane, Qld 4001, Australia

来源：

INTERNATIONAL JOURNAL OF COAL GEOLOGY | 2013年 / 112卷

关键词：

Drill hole spacing analysis; Polygonal kriging; Australian Coal Guidelines; Bowen Basin; Global uncertainty;

D O I：

10.1016/j.coal.2012.12.010

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Geostatistical drill hole spacing analysis ('DHSA') for resource classification using the global estimation variance technique has been used across BHP Billiton Mitsubishi Alliance ('BMA') Coal Operation's various mines and projects since 2004. Analysis of the results points to the emergence of possible patterns in the results for projects pertaining to specific coal measures being mined by BMA. This correlation may be a useful guide to assist in developing resource classifications for projects based on the coal measures in which they occur. Comparison of the results of classification using the Coal Guidelines versus classification using the geostatistical DHSA method for a selection of BMA's operating mines in Queensland's Bowen Basin indicates that the non-geostatistical approach leads to level of uncertainty that does not always agree with the complexity of the geology. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：107 / 113

页数：7

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