| 新型甲酸盐/正电聚醇钻井液研究 |
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| 引用本文： | 李志勇,鄢捷年,王建华,王晓琳.新型甲酸盐/正电聚醇钻井液研究[J].石油钻探技术,2006,34(5):34-38. |
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| 作者姓名： | 李志勇 鄢捷年 王建华 王晓琳 |
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| 作者单位： | 1. 中国石油大学(北京)石油天然气工程学院,北京昌平,102249
2. 中国石油天然气股份有限公司山东销售分公司,山东青岛,266071 |
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| 摘 要： | 充分利用正电聚醇和甲酸盐的协同增效作用，研制了新型甲酸盐/正电聚醇钻井液体系。在地层孔隙压力较低时，主要使用正电聚醇处理剂确保钻井液具有良好的性能；在地层孔隙压力较高时，则配合使用甲酸盐进行加重，以维持低固相钻井液体系的优良性能。在张海5井、张海11井等多口井的应用表明，甲酸盐/正电聚醇钻井液具有抗温、防塌、润滑和储层保护等多种功能，能很好地满足安全、快速钻井的要求。
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| 关 键 词： | 水基钻井液 甲酸盐 聚合醇 钻井液试验 现场试验 |
| 文章编号： | 1001-0890（2006）05-0034-05 |
| 收稿时间： | 07 6 2006 12:00AM |
| 修稿时间： | 2006年7月6日 |
A Novel Formate/Positive-Charged Polyglycol Drilling Fluid |
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| Li Zhiyong,Yan Jienian,Wang Jianhua,Wang Xiaolin.A Novel Formate/Positive-Charged Polyglycol Drilling Fluid[J].Petroleum Drilling Techniques,2006,34(5):34-38. |
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| Authors: | Li Zhiyong Yan Jienian Wang Jianhua Wang Xiaolin |
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| Abstract: | A new kind of formate/positive-charged polyglycol drilling fluid system has been developed making full use of the coordinated effect of formate and positive-charged polyglycol. When the pore pressure is relatively low, the positive-charged polyglycol is mainly used to ensure the muds having good performance. When the pore pressure is relatively high, the formate is used as a weighting agent to maintain a low-solid mud system. The field applications in the wells of Zhanghai-5 and Zhanghai-11, etc. indicate that the mud system has multi-functions such as high-temperature stability, anti-sloughing, lubrication and formation damage control, etc. , and can meet the requirements of safety and rapid well drilling. |
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| Keywords: | water-based drilling fluids formate polyglycol drilling fluid testing field testing |
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