| 羌塘盆地岩石物理力学特性分析及其孔壁稳定技术 |
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| 引用本文： | 吴纪修,尚玉虎,李鑫淼,薛倩冰.羌塘盆地岩石物理力学特性分析及其孔壁稳定技术[J].探矿工程,2018,45(3):9-13. |
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| 作者姓名： | 吴纪修 尚玉虎 李鑫淼 薛倩冰 |
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| 作者单位： | 中国地质科学院勘探技术研究所,山东正元建设工程有限责任公司,中国地质科学院勘探技术研究所,中国地质科学院勘探技术研究所 |
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| 摘 要： | 羌塘盆地是青藏高原年平均地温最低、冻土层相对较厚的地区，所处的水文地质及工程地质环境极其复杂。由于勘探程度低，深孔钻探的实钻资料较少，缺乏对该区深部岩层的岩石物理力学特性研究。因此，结合地球物理测井技术、取心和实验测试结果对QK-7孔钻遇地层岩石物理力学参数进行分析，并对冻土带异常孔隙水压力极复杂地层孔壁稳定泥浆工艺技术进行总结和探索，以期为羌塘盆地油气资源战略开发深孔钻探的顺利实施提供基础理论支持。
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| 关 键 词： | 羌塘盆地 岩石物理力学特性 冻土带异常孔隙水压力 孔壁稳定 |
| 收稿时间： | 2018/1/2 0:00:00 |
| 修稿时间： | 2018/1/2 0:00:00 |
Analysis on Rock Physical and Mechanical Properties and the Mud Stability Technology for Borehole Wall in Qiangtang Basin |
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| WU Ji-xiu,SHANG Yu-hu,LI Xin-miao and XUE Qian-bing.Analysis on Rock Physical and Mechanical Properties and the Mud Stability Technology for Borehole Wall in Qiangtang Basin[J].Exploration Engineering(Drilling & Tunneling),2018,45(3):9-13. |
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| Authors: | WU Ji-xiu SHANG Yu-hu LI Xin-miao and XUE Qian-bing |
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| Institution: | The Institute of Exploration Techniques, CAGS,Shandong Zhengyuan Construction Engineering Co., Ltd.,The Institute of Exploration Techniques,CAGS,The Institute of Exploration Techniques,CAGS |
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| Abstract: | Qiangtang basin is an area with the lowest annual mean ground temperature and a relatively thick frozen soil layer in the Qinghai-Tibet Plateau, the hydrogeology and engineering geological environment are extremely complex. Because of low exploration degree in Qiangtang basin, there are few real drilling data of deep hole drilling, the study on rock physical and mechanical properties of deep rock strata in this area is lack. Therefore, combining with geophysical well-logging technology, coring and tests measuring results, the analysis is made on rock physical and mechanical parameters of the formations in QK-7 borehole drilling process for natural gas hydrate exploration, and the summarization and exploration are carried out for mud technology of borehole wall stability in extremely complex tundra abnormal pore water pressure in order to provide the practical experience for the smooth implementation of deep drilling in the strategic development of oil and gas resources in Qiangtang basin. |
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| Keywords: | Qiangtang basin rock physical and mechanical properties tundra abnormal pore water pressure borehole wall stability |
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