| 汶川地震断裂带科学钻探项目WFSD-4S孔冲洗液技术 |
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| 引用本文： | 王鲁朝,李晓东,翟育峰.汶川地震断裂带科学钻探项目WFSD-4S孔冲洗液技术[J].探矿工程,2017,44(2):27-31. |
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| 作者姓名： | 王鲁朝 李晓东 翟育峰 |
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| 作者单位： | 山东省第三地质矿产勘查院,北京探矿工程研究所,山东省第三地质矿产勘查院 |
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| 基金项目： | 中国地质调查局地质调查项目“重点成矿带钻探冲洗液关键技术研究与示范”(编号：12120113097400) |
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| 摘 要： | 针对汶川地震断裂带科学钻探项目四号孔浅孔（WFSD-4S）地质条件复杂，孔壁稳定性差，坍塌、掉块严重等问题，采用了双聚防塌冲洗液体系。该体系具有良好的稳定性和流变性，携屑能力强，防塌效果好，在WFSD-4S孔钻进施工中取得了良好的应用效果。通过对冲洗液配方的优化和性能参数的合理调整与维护，较好地解决了WFSD-4S孔的钻进技术难题，为顺利完成钻孔施工奠定了坚实的基础。
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| 关 键 词： | 汶川地震断裂带 科学钻探 破碎地层 双聚防塌冲洗液 WFSD-4S孔 |
| 收稿时间： | 2016/3/28 0:00:00 |
| 修稿时间： | 2016/10/10 0:00:00 |
Research on Drilling Fluids Technology for WFSD-4S Hole of Wenchuan Earthquake Fault Scientific Drilling Project |
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| WANG Lu-zhao,LI Xiao-dong and ZHAI Yu-feng.Research on Drilling Fluids Technology for WFSD-4S Hole of Wenchuan Earthquake Fault Scientific Drilling Project[J].Exploration Engineering(Drilling & Tunneling),2017,44(2):27-31. |
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| Authors: | WANG Lu-zhao LI Xiao-dong and ZHAI Yu-feng |
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| Institution: | The Third Geological Team of Shandong Bureau of Geology and Mineral,Beijing Institute of Exploration Engineering,The Third Geological Team of Shandong Bureau of Geology and Mineral |
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| Abstract: | The geological conditions were extremely complicated with poor wall stability and severe sloughing problems in WFSD-4S hole of Wenchuan earthquake fault scientific drilling project. To solve the above problems, the drilling fluid system of bi-polymer anti-sloughing system was adopted in the drilling construction, which had excellent properties of stability, rheology, cuttings carrying and anti-sloughing, and presented effective application result in WFSD-4S hole drilling construction. Through optimizing the formula of drilling fluid and rationally adjusting and maintaining the performance parameters, the technical difficulties in WFSD-4S hole drilling were successfully solved, which laid a solid foundation for smooth completion of drilling construction. |
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| Keywords: | Wenchuan earthquake fault scientific drilling broken formation bi-polymer anti-sloughing flushing fluid WFSD-4S hole |
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