Drilling Verticality Control Technology of Super-large Diameter Project Well
详细信息
- 责任者：Yang Zongren (Hebei Large Diameter Engineering Well Construction Co. ; Ltd. ; Shijiazhuang 050031 ; China) ; Zheng Ning
- 刊名：Exploration Engineering
- 出版年：2010
- 卷期：37(8)
- 关键词：竖井 ; shaft ; 钻进 ; drilling
- 页码：p.44-46
- 图表：2 illus., 1 table, 2 refs.
- 分类号：2000
- issnNo：ISSN1672-7428
- isbnNo：CN11-5063/TD
摘要
///The paper introduced the shaft verticality control technology for shaft of mine（in the diameter of 8.3 m and depth of 286 m） constructed with mechanical drilling method,such as the key technical measures of increasing the weight of large diameter drilling tool,installing the drilling director and measuring the shaft verticality.