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Proved Reserves Proved reserves is a classification used in mining sectors that denotes the amount of hydrocarbon resources that can be recovered from the deposit with a reasonable level of certainty Proved ....
Mineral resource estimation Jun 15, 2018· This is the one of method for calculation of reserve of ore...
Reserves estimation To better understand reserves estimation, a few important terms require definition Original oil in place (OOIP original oil in place) and original gas in place (OGIP original gas in place) refer to the total volume of hydrocarbon stored in a reservoir prior to productionReserves or recoverable reserves are the volume of hydrocarbons that can be profitably extracted from a reservoir using ....
Comments on SEC File No S7 Comments on SEC File No S7-29-07 "Concept Release on Possible Revisions to the Disclosure Requirements Relating to Oil and Gas Reserves" , mineral reserves is based on, and fairly reflects information and supporting documentation prepared by a Competent Person This SME recommendation is a requirement for public reporting in Canada...
Analysis of Highwall Mining Stability histories involve 1) mining through a previously augered highwall, 2) mining under back-stacked spoil and 3) selective mining of closely spaced benches of the same seam Because each site is unique, the appropriate pre-mining geotechnical analyses range from the calculation of roof, web pillar....
Geology, Resource & Reserve Estimation Mineral Resources are classified into Measured, Indicated, and Inferred categories based upon the density of data and confidence level on the resource estimate Mineral Reserves are classified into Proven and Probable categories based upon the corresponding resource category and economic mining ,...
SOUTH AFRICA refined and unrefined mineral resources and use two variables to calculate the royalty liability: the value of the minerals (the tax base) and a royalty percentage rate (calculated in a prescribed manner) which is applied to the base Royalties are capped and cannot exceed 5% for refined mineral resources and 7% for unrefined mineral resourc...
Mine Surveyor Example #12: Top and Bottom surface used for volume calculation (Click picture for larger version) To calculate a volume of material moved, you need to have a 'top' and 'bottom surface Top surfaces may include shot ground data (see next example), a previous pit surface, or simply by using a ,...
Valuation of a mining company Sep 03, 2011· The market puts a higher per ounce valuation on proven & probable reserves than on inferred and indicated resourc A mining company would have higher proportion of proven & probable estimates than an exploration firm, for example...
Mineral resource classification Mineral resource classification is the classification of mineral resources based on an increasing level of geological knowledge and confidence Mineral deposits can be classified as: Mineral resources that are potentially valuable, and for which reasonable prospects exist for eventual economic extraction...
Interpreting Drill Results 101 When I completed the first version of the calculation, I discovered much to my surprise that the mental calculations were right on It truly is an amazing hole At the end of the article, I will describe the mathematics of how to calculate the mineral resource potential of a drill hole...
Mining Royalties Mineral sector regulatory and fi scal systems have been undergoing major reforms across the globe It has been estimated that during the past 20 years over 110 nations have either replaced their mining law or made ma-jor amendments to it1 Along with this effort to modernize their mining...
Mining Valuation Lesson: Cut Dec 05, 2011· Mining Valuation Lesson: Cut-Off Grade Theory And Practice , Cut-off Grade Theory and Practice , it would be easy to calculate But not all the tonnes of ,...
Proven and Probable Mineral Reserves Proven and Probable mineral reserves and Measured and Indicated mineral resources are commonly misused terms The exact definitions can be hard to find but here they are all in one place, referenced from NI 43-101 and the JORC code...
Resources & Reserves Resources and Mineral Reserves (SAMREC), the Canadian Institute of Mining, Metallurgy and Petroleum (CIM) Standards on Mineral Resources and Reserves (2014 edition) and the Petroleum Resources Management System (PRMS) for reporting oil and natural gas Reserves and Resourc...