| 天然气水合物钻探钻井液低温特性的研究 |
| 投稿时间：2002-12-18 修订日期：2002-12-18 点此下载全文 |
| 引用本文：孙涛,陈礼仪,朱宗培.天然气水合物钻探钻井液低温特性的研究[J].钻探工程,2003,30(3):35-37.SUN Tao,CHEN Li-yi,ZHU Zong-pei. Research on the Properties of Drilling Fluids at Low Temperatures Used in the Gas Hydrate Exploration[J]. Drilling Engineering, 2003,30(3):35-37. |
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| 中文摘要:天然气水合物是一种赋存于低温条件和较高压力的新型清洁能源，勘探开发中必须保持天然气水合物的稳定才能钻取实物岩心。从维持天然气水合物相态平衡着手，介绍了国外用于抑制天然气水合物相态平衡的低温钻井液体系，分析了低温环境下钻井液流变特性和密度特性，提出了天然气水合物钻探钻井液体系研究的建议。 |
| 中文关键词:天然气水合物 钻探 钻井液 低温流变特性 密度特性 |
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| Research on the Properties of Drilling Fluids at Low Temperatures Used in the Gas Hydrate Exploration |
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| Abstract:Natural Gas hydrates (NGH), a new kind of environmentally clean energy, can stably exist at low temperatures and high pressure. To avoid the decomposition of NGH during exploration, the temperature and pressure at its original state must be properly maintained. Firstly, this paper presents the methods currently used in the NGH exploration, and then introduces the formula of low-temperature drilling fluids tested at laboratory by foreign countries that have rich experience in the aspect of NGH research. Continuingly, the rheological behaviors and the property of density of low-temperature drilling fluids are emphatically discussed. At the end of this paper, suggestions regarding NGH exploration are also put forward. |
| keywords:natural gas hydrate（NGH） exploration drilling fluids rheological behaviors at low temperatures property of density |
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