| 青海野马泉矿区地层破碎程度评价及钻井液体系研究 |
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| 引用本文： | 刘鹏,王道宽,乌效鸣,赵珊珊. 青海野马泉矿区地层破碎程度评价及钻井液体系研究[J]. 探矿工程, 2013, 40(11): 5-9 |
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| 作者姓名： | 刘鹏 王道宽 乌效鸣 赵珊珊 |
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| 作者单位： | [1]青海省第二地质矿产勘查院,青海西宁810001 [2]中国地质大学（武汉）工程学院,湖北武汉430074 |
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| 基金项目： | 基金项目：青海省地质勘查基金项目“青海省地质找矿复杂地层中的钻探技术研究” |
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| 摘 要： | 为了评价和分析青海野马泉矿区地层的破碎情况，提出了破碎比表面、破碎块度、岩石空隙率、岩石崩解率、岩石完整性系数、岩石抗压强度6个破碎程度的评价指标，运用模糊数学评价体系并结合岩石破碎程度指标建立了破碎地层的分类标准，结合野马泉矿区钻探现场，将破碎地层分为了5类。对于破碎地层研究出具有针对性的钻井液体系。
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| 关 键 词： | 破碎地层 破碎程度 评价体系 钻井液 野马泉矿区 |
| 收稿时间： | 2013-05-18 |
| 修稿时间： | 2013-10-03 |
Evaluation on Stratum Fragmentized Degree and Study on Drilling Fluid System for Yemaquan Mining Area of Qinghai |
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| LIU Peng,WANG Dao-kuan,WU Xiao-ming and ZHAO Shan-shan. Evaluation on Stratum Fragmentized Degree and Study on Drilling Fluid System for Yemaquan Mining Area of Qinghai[J]. Exploration Engineering:Rock & Soil Drilling and Tunneling, 2013, 40(11): 5-9 |
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| Authors: | LIU Peng WANG Dao-kuan WU Xiao-ming ZHAO Shan-shan |
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| Affiliation: | 2 ( 1. No. 2 Exploration Institute of Geology and Mineral Resources of Qinghai Province, Xining Qinghai 810001, China; 2. Faculty of Engineering, China University of Ge- osciences, Wuhan Hubei 430074, China) |
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| Abstract: | In order to evaluate and analyze the stratum fragmentizing situation in Yemaquan mining area of Qinghai, 6 evaluation indexes are put forward： broken specific surface, broken block, porosity of rocks, rock disintegration rate, coeffi- cient of rock integrity, compressive strength of rock. The fragmentized stratum classification standard is established by using fuzzy mathematical evaluation system and combining with rock fragmentized degree index; and combined with the drilling site situation of Yemaquan mining area, the fragmentized stratum is divided into 5 categories. A targeted drilling fluid system is studied out for fragmentizing stratum. |
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| Keywords: | stratum fragmentation fragmentized degree evaluation system drilling fluid Yemaquan mining area |
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