Construction Technology of ZK0902 Exploration Hole in Yanjiang Mine of Changbai in Jilin Province
详细信息
- 责任者：Quan Zhigang (Sixth Geological Prospeting Engineering Team ; Jilin Provincial Bureau of Geo-Exploration and Mineral Development ; Yanji 133401 ; China) ; Wang Yu
- 刊名：Exploration Engineering
- 出版年：2010
- 卷期：37(4)
- 关键词：绳索取心 ; wire line coring ; 复杂地层钻进 ; drilling in complicated formation
- 页码：p.34-36
- 图表：2 illus.
- 分类号：2000
- issnNo：ISSN1672-7428
- isbnNo：CN11-5063/TD
摘要
///Hydration swelling in coal measure strata with subsidence pool forming was the main difficulty in drilling construction in Yanjiang mine of Changbai;and hole collapsing,block-falling and deep limestone alteration formed karst cave with serious leakage and long construction period.Field analysis was made to solve the above problems by specific technologies.