| 对钻孔γ测井反褶积分层解释法某些问题的研讨 |
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| 引用本文： | 纪帛地.对钻孔γ测井反褶积分层解释法某些问题的研讨[J].铀矿地质,1987(3). |
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| 作者姓名： | 纪帛地 |
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| 摘 要： | 本文讨论了反褶积分层解释法的二个重要性质,证明了反褶积法与现用的平均法在“全矿段”上可以认为是基于同一原理,地质特征参数a没有总体效应,因a取值不准在各个分层上引起的正负含量误差是互补的。文章还提出并论证了γ异常微分曲线的对数梯度最大值g_(max)是地质特征參数a的合适取值。在实践中用a=g_(max)进行分层解释,误差小,基本上消除了负含量现象。
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| 关 键 词： | 反褶积分层解释法 对数梯度最大值 γ测井 |
DISCUSSION ON THE DIFFERENTIAL INTERPRETATION OF THE RESULTS OF GAMMA-RAY LOGGING BY DECONVOLUTION TECHNIQUE |
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| Ji Bodi.DISCUSSION ON THE DIFFERENTIAL INTERPRETATION OF THE RESULTS OF GAMMA-RAY LOGGING BY DECONVOLUTION TECHNIQUE[J].Uranium Geology,1987(3). |
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| Authors: | Ji Bodi |
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| Abstract: | This paper describes the two important properties of the differential interpretation method of gamma-ray logging by deconvolution technique and demonstrates that the differential interpretation method by deconvolution technique and the current average concentration method are based on the same principle. Actually, the geologic impulse response parameter a has no resulting effect on the interpretation result because the probable errors of the estimated uranium concentration for various layers caused by the uncertainty of parameter a are mutually compensated. The Paper also indicates that the maximum logarithm gradient of the differential curves of anomalies will be the suitable value of the parameter a. In practice, the deconvolution technique using a=g_(max) can reduce the errors in estimated concentration of uranium and the negative estimated concentration of uranium can also be eliminated |
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