| 中国深部岩心钻探钻井液技术应用现状及研究方向的探讨 |
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| 引用本文： | 郑文龙.中国深部岩心钻探钻井液技术应用现状及研究方向的探讨[J].地质与勘探,2019,55(3):826-832. |
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| 作者姓名： | 郑文龙 |
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| 作者单位： | 中国地质大学（武汉）工程学院，湖北武汉； 岩土钻掘与防护教育部工程研究中心，湖北武汉； 中国地质科学院勘探技术研究所，河北廊坊 |
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| 基金项目： | 国土资源地质调查评价专项项目“松辽盆地资源与环境深部钻探示范”（编号：DD20160209）
和国家科技重大专项项目“深部探测技术与实验研究专项”（编号：Sinoprobe-05）联合资助 |
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| 摘 要： | 出于深部找矿与科学钻探的需要，岩心钻探由浅孔向深孔迈进，钻遇易坍塌地层、硬岩地层、高温高压地层、盐膏层等复杂地层的几率增加，从而对深部取心钻进钻井液技术提出了更高的要求。在总结各类深部复杂地层取心钻进钻井液使用现状的基础上，分析并归纳了强抑制防塌钻井液、强润滑减阻钻井液、高温钻井液、饱和盐水钻井液、高密度钻井液的研配要点及难点，提出了针对性钻井液体系的性能调控思路以及研究重点，为深部岩心钻探钻井液体系选用提供借鉴依据及参考。
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| 关 键 词： | 深部钻探 取心钻进 复杂地层 钻井液 性能调控 |
| 收稿时间： | 2018/1/25 0:00:00 |
| 修稿时间： | 2019/5/7 0:00:00 |
Application situation and focused research of drilling fluid technology in deep core drilling projects of China |
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| Zheng Wenlong.Application situation and focused research of drilling fluid technology in deep core drilling projects of China[J].Geology and Prospecting,2019,55(3):826-832. |
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| Authors: | Zheng Wenlong |
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| Institution: | Faculty of Engineering, China University of Geosciences, Wuhan, Hubei ; Engineering Research of Rock-Soil Drilling and Excavation Protection, Ministry of Education, Wuhan, Hubei ; Institute of Exploration Technology, Langfang, Hebei |
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| Abstract: | Due to the need of deep prospecting and scientific drilling, more deep well drillings will be conducted, Thus the probability of drilling in complex strata such as brittle formations, hard rock formations, high temperature and high pressure formations, salt gypsum layer is increased, so higher requirements for deep coring drilling fluid technology are put forward. On the basis of summarizing the application status of drilling fluids for core drilling in deep complex strata, this paper analyzes and sums up the key points and difficulties of different drilling fluid systems, including anti-sloughing drilling fluid, strong lubrication and drag-resistant drilling fluid, high temperature drilling fluid, saturated brine drilling fluid and high density drilling fluid and so forth. Then we suggest the performance adjustment and research emphases of the targeted drilling fluid system, providing a reference for the optimization of the drilling fluid system in deep core drilling projects. |
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| Keywords: | deep drilling coring complex strata drilling fluid performance adjustment |
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