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| THE DETERMINATION OF DRILLING CORE MAGNETIC PARAMETERS AND THE IMPROVEMENT OF THE MAGNETITE LAYER PREDICTION PRECISION |
| WANG Jian-fei, ZUO Qiong-hua, CHEN Zai-lin |
| Yunnan Vocational College of Land Resources, Department of Geology and Mineral Resources, Kunming 650217, China |
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Abstract In order to improve the prediction precision through the magnetite layer,solve some drilling problem and determine whether the ore-bearing layer have it or not.This paper considers that we can use the observation of precision magnetic field on exploration line,the measured of core magnetic parameters.By magnetic parameters and drilling logging results for forward calculation,from this we can obtained surplus magnetic anomaly and determine whether the ore-bearing layer have it or not,consequently carry out prediction.The author in the prediction process with adopting:①Maximum residual magnetic strength and magnetic susceptibility;②Average magnetized strength and magnetic susceptibility for Forward Modeling.These can get some actual effect,putting some Suggestions for the drilling problem in the magnetite core area.
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Received: 04 November 2011
Published: 10 August 2012
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