• 责任者：Tang Menglong (417 Team ; Bureau of Geology and Mineral Exploration and Development of Hunan Province ; Hengyang 421001 ; China) ; Cui Guiping
• 刊名：Exploration Engineering
• 出版年：2011
• 卷期：38(11)
• 关键词：定向钻进 ; directional drilling ; 堵漏 ; plugging
• 页码：p.27-31
• 图表：1 illus., 1 table, 5 refs.
• 分类号：2000
• issnNo：ISSN1672-7428
• isbnNo：CN11-5063/TD

The problem on leakage stoppage has been affected the drilling speed of brine extraction well of alkali mine in Tongbai of Henan Province. By the leakage stoppage test with cement grouting in well SP08, it was found that the leakage characteristic of this stratum is fractured loss. Based on this characteristic and the laboratory test,a leakage stoppage technology for this region was systematically summed up. A comprehensive technical measure and pressure sealing method mainly with high water loss material matching bridging blockage material was made to provide technical support.