| 中子活化测井原位测定氟化钙含量技术及应用 |
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| 引用本文： | 师立谱,王世传,徐风曾. 中子活化测井原位测定氟化钙含量技术及应用[J]. 山东国土资源, 1986, 0(2) |
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| 作者姓名： | 师立谱 王世传 徐风曾 |
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| 作者单位： | 山东省地质矿产局物探队，山东省地质矿产局物探队，山东省地质矿产局物探队 |
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| 摘 要： | 在萤石矿勘探工作中,因为萤石性脆,在钻探过程中易破淬,岩(矿)芯采取率难以达到要求。当萤石与硬岩石共存时,因选择性磨损,以及萤石分布不均匀等原因,使矿芯分析结果失去了代表性。中子活化测井工作的目的,是在钻孔中原位测定CaF_2含量,以弥补钻探取芯分析资料的不足,提高地质工作质量。根据方法原理,研究了适应连续测井方式及定点测量方式的技术条件和资料解释方法。对萤石矿可达到三定(定矿层、定位置、定厚度)和计算CaF_2含量的目的,工作效率可达到常规测井水平,含量测定精度、灵敏度和准确度均可满足萤石矿地质普查、勘探的要求。
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NEUTRON ACTIVATION LOGGING TECHNIQUE FOR DETERMINING THE CaF_2 CONTENT IN ROCKS IN DRILLS AND ITS APPLICATION |
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| Shi Lipu,Wang Shichuan and Xu Fengzeng. NEUTRON ACTIVATION LOGGING TECHNIQUE FOR DETERMINING THE CaF_2 CONTENT IN ROCKS IN DRILLS AND ITS APPLICATION[J]. SHANDONG LAND AND RESOURCES, 1986, 0(2) |
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| Authors: | Shi Lipu Wang Shichuan Xu Fengzeng |
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| Abstract: | The neutron activation logging technique which is an advanced nuclear logging technique was discussed in this paper. The technical requirements and conditions for determining the fluorite(CaF_2) content of rocks in drills, the factors which influence the use of the technique and the correction approaches were described in detail. The calculations of the CaF_2 content in the rocks from the measurements, the sensitivity of the logging, the precision and accuracy of the measurements were discussed as well.Two ... |
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