| CS404小口径超声成像测井探管研制 |
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| 引用本文： | 冯延强,乔宝强,焦仓文,杨怀杰,马艳芳,程纪星.CS404小口径超声成像测井探管研制[J].铀矿地质,2020(1):46-51. |
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| 作者姓名： | 冯延强 乔宝强 焦仓文 杨怀杰 马艳芳 程纪星 |
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| 作者单位： | 核工业北京地质研究院 |
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| 基金项目： | 核能开发项目“相山大型铀矿田科学钻探II期铀多金属深部探测研究”(编号:地HXS1403);“雪米斯坦成矿带杨庄岩体及其外围铀多金属资源扩大及三维探测技术研究”项目(编号:LTD1603)联合资助。 |
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| 摘 要： | 介绍了由核工业北京地质研究院自主研制的一型可用于铀矿勘查和开采领域的CS404小口径超声成像测井探管,其直径Φ40 mm、换能器工作频率为1.2 MHz、方位精度±1°、单圈成像扫描点数为180点、测井速度2 m/min时纵向分辨率为6.67 mm。在探管研制实现的基础上,进行了该型探管与QL40探管在室内模型和相山铀矿田CUSD1科学钻孔的对比测量试验,结果表明:CS404小口径超声成像测井探管声幅成像与时差成像对比明显、成像效果清晰,系统实现性能指标及成像结果均达到国外先进进口设备水平,能够为铀矿勘查和开采中的裂隙、破碎带识别以及产状提取提供一种全新的技术手段。
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| 关 键 词： | 小口径 超声成像 测井探管 |
The Development of CS404 Small Caliber Ultrasonic Imaging Logging Probe |
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| FENG Yanqiang,QIAO Baoqiang,JIAO Cangwen,YANG Huaijie,MA Yanfang,CHENG Jixing.The Development of CS404 Small Caliber Ultrasonic Imaging Logging Probe[J].Uranium Geology,2020(1):46-51. |
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| Authors: | FENG Yanqiang QIAO Baoqiang JIAO Cangwen YANG Huaijie MA Yanfang CHENG Jixing |
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| Institution: | (Beijing Research Institute of Uranium Geology,Key Laboratory of Uranium Resource Exploration and Evaluation Technology of CNNC,Beijing 100029,China) |
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| Abstract: | CX404 small caliber ultrasonic imaging logging probe has been developed by the Beijing Research Institute of Uranium Geology. With a diameter of Φ40 mm, the developed probe can be used in the field for uranium exploration and mining. This probe works at 1.2 MHz with the transducer, and can reach the azimuth accuracy of±1°, the number of single-loop imaging scanning points of 180, and the longitudinal resolution of 6.67 mm while the logging speed is 2 m/min. A Comparring test between the imported QL40 and the new probe was conducted in the laboratory with the model in the drill hole CUSD1 in Xiangshan uranium orefield. The comparing results shewed that the acoustic amplitude time difference imaging of the probe is obvious and clear, the performance of the new probe reached the level of imported equipment. The developed probe can provide a new technical means for fracture, structure identification and occurrence analysis in uranium exploration and mining in China. |
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| Keywords: | small caliber ultrasonic imaging logging probe |
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