长江科学院院报 ›› 2016, Vol. 33 ›› Issue (4): 67-70.DOI: 10.11988/ckyyb.20150057

• 岩土工程 • 上一篇    下一篇

综合地球物理测井技术在滇中引水隧洞工程勘察中的应用

付代光,周黎明,肖国强,王法刚   

  1. 长江科学院 水利部岩土力学与工程重点实验室,武汉 430010
  • 收稿日期:2015-01-16 出版日期:2016-04-01 发布日期:2016-04-08
  • 作者简介:付代光(1987-),男,内蒙古扎赉特旗人,硕士,主要从事工程物探方面的工作,(电话)027-82926549(电子信箱)fudaiguang@163.com。
       通讯作者:周黎明(1977-),男,吉林辉南人,高级工程师,博士,主要从事岩土工程地球物理技术方面的研究工作,(电话)027-82926549(电子信箱)brian5396@126.com。
  • 基金资助:
    国家自然科学基金青年基金资助项目(41202223)

Application of Comprehensive Geophysical Well Logging Technologyto the Engineering Exploration of Water Diversion Tunnelin Central Yunnan

FU Dai-guang, ZHOU Li-ming, XIAO Guo-qiang, WANG Fa-gang   

  1. Key Laboratory of Geotechnical Mechanics and Engineering of the Ministry of Water Resources, Yangtze River Scientific Research Institute, Wuhan 430010, China
  • Received:2015-01-16 Online:2016-04-01 Published:2016-04-08

摘要: 为判定滇中引水隧洞工程勘察钻孔内岩体完整性,采用将声波测井与钻孔成像相结合的综合地球物理测井技术对钻孔情况进行综合分析判断。阐述了声波测井与钻孔成像测井的方法原理及特点,根据钻孔ZGZK2和XLZK7的声波测井曲线的波速跳跃剧烈程度和钻孔成像的节理裂隙发育特性(方位、倾角和发育密度等)等信息,给出了钻孔内较为准确可靠的岩体完整情况。针对2种测井方法对判定岩体完整性提供参数的侧重点不同,对比分析了声波测井与钻孔成像测试结果对判定节理裂隙发育程度的差异,通过对比分析有助于提高单一测井方法对钻孔内岩体地质情况判定的全面性和精确性,实践证明综合地球物理测井技术在进行深部岩体勘察具有很好的效果,可为指导工程施工提供依据。

关键词: 地球物理测井技术, 声波测井, 钻孔成像, 对比分析, 综合测井成果分析

Abstract: The integrity of rock from borehole of engineering investigation of the water diversion tunnel in CentralYunnan province is comprehensively ascertained and analyzed by the combination of acoustic logging and borehole imaging. The principles and the features of acoustic logging and borehole imaging are expounded. Furthermore, accurate and reliable rock integrity information is given according to the acoustic velocity jumping intensity of acoustic logging curve and the fracture characteristics (position, inclination and development intensity) of borehole imaging for borehole ZGZK2 and borehole XLZK7. The emphasis of rock integrity parameters obtained by acoustic logging differs from those by borehole imaging, in view of this, differences in the results of fracture development by the two methods are compared and analyzed, which is beneficial to improving comprehensive and accurate rock integrity assessment for a single logging method. Practices prove that the comprehensive geophysical well logging technology has good efficiency in deep rock exploration.

Key words: geophysical well logging technology, acoustic logging, borehole imaging, comparative analysis, analysis of comprehensive logging result

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