Drilling Method for Hard and Slipping Formation in Western Hubei Province
详细信息
- 责任者：Tan Jianguo (Yichang Geological Survey and Exploration Party of Hubei Province ; Yichang 443100 ; China) ; Zhang Suobang
- 刊名：Exploration Engineering
- 出版年：2011
- 卷期：38(4)
- 关键词：坚硬弱研磨性地层 ; hard and nonabrasive formation ; 金刚石钻进 ; diamond drilling
- 页码：p.22-24
- 图表：4 refs.
- 分类号：2000
- issnNo：ISSN1672-7428
- isbnNo：CN11-5063/TD
摘要
In host strata of phosphate rock, lead-zinc mine, silver and vanadium ore and overlying strata of western Hubei, there is common existence of hard rocks. Sinian dolomite contains a large amount of silicon horizon and "chalcedony" layer formed by chemical vapor deposition, silicon content is more than 80% with dense structure, low abrasiveness and drillability of Ⅸ～Ⅹ level. By the test in drilling field, the paper described the diamond bit selection, artificial bit conditioning and diamond drilling process parameters selection; summed up the successful experience in construction practice for further resolving drilling slipping difficulty.
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |