| 冻土区天然气水合物试采对接井冲洗液技术 |
| 投稿时间：2016-02-26 修订日期：2016-08-29 点此下载全文 |
| 引用本文：李鑫淼,张永勤,梁健,等.冻土区天然气水合物试采对接井冲洗液技术[J].钻探工程,2016,43(12):28-32.LI Xin-miao,ZHANG Yong-qin,LIANG Jian,et al. Technology of Flushing Fluid for Gas Hydrate Trial Mining Horizontally Butted Well in Permafrost Area[J]. Drilling Engineering, 2016,43(12):28-32. |
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| 基金项目:中国地质调查局国家海洋地质专项子项目“陆域天然气水合物试采技术与工程”（编号：GZH201400307） |
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| 中文摘要:2015年，在祁连山木里冻土区进行了天然气水合物试采对接井施工。根据木里地区的地层条件，针对孔壁易出现的水化、坍塌、掉块等现象，制定了冲洗液配方，通过合理调整处理剂的用量，达到良好的护壁及润滑效果。使用过程中对密度、粘度、含砂量、失水量等参数进行了监测，并对冲洗液性能作出及时调整。应用结果表明，该冲洗液配方具有良好的综合性能，能够满足冻土区天然气水合物试采井钻探施工要求。 |
| 中文关键词:冻土区 天然气水合物 试采 对接井 冲洗液 木里地区 |
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| Technology of Flushing Fluid for Gas Hydrate Trial Mining Horizontally Butted Well in Permafrost Area |
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| Abstract:In 2015, gas hydrate trial mining horizontally butted well was constructed in Qilian Mountain Muli permafrost area, The formula of flushing fluid was designed optimally according to the formation conditions such as hydration, collapsing and chipping. Good wall protection and lubrication results were achieved by adjusting the dosage of drilling mud additives reasonably. Mud parameters such as density, viscosity, sand content, filter loss and some others were monitored in the application, and the properties of flushing fluid were timely adjusted. The application results show that the flushing fluid has good comprehensive properties and can meet the requirements of trial mining well drilling construction. |
| keywords:permafrost area natural gas hydrate trial mining horizontally butted well flushing fluid Muli area |
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