Wall Protection and Leakage Stoppage for Loose Formation Drilling in Shenjingzi Oil Shale Mining Area
详细信息
- 责任者：Zhao Shengqing (Hydrogeology Investigation Institute of Jilin Province ; Changchun 130012 ; China) ; Li Lubo
- 刊名：Exploration Engineering
- 出版年：2011
- 卷期：38(10)
- 关键词：油页岩 ; oil shale ; 钻进 ; drilling
- 页码：p.13-14
- 图表：1 table, 5 refs.
- 分类号：2000
- issnNo：ISSN1672-7428
- isbnNo：CN11-5063/TD
摘要
According to the collapsing and leakage in some individual borehole of Shengjingzi oil shale mining area in Jilin, taking PVA as main material, the flush fluid was prepared with better cementation and inhibition properties for collapsing prevention and wall protection. Economical and practical inert materials such as sawdust and peanut shell were used for leakage stoppage to lower the accident rate and drilling cost as well as improving the drilling efficiency.