Application of Hydraulic Impact Rotary Drilling Technology in Broken Rock Bed
详细信息
- 责任者：Wu Zhiqiang (No.1 Institute of Hydrogeology and Engineering Geology ; Anhui Bureau of Geology and Mineral Exploration ; Bengbu 233000 ; China) ; Wang Tingrui
- 刊名：Geology of Anhui
- 出版年：2010
- 卷期：20(2)
- 关键词：冲击回转钻进 ; percussive-rotary drilling
- 页码：p.131-134
- 图表：3 tables, 4 refs.
- 分类号：2000
- issnNo：ISSN1005-6157
- isbnNo：CN34-1111/P
摘要
///This paper briefly shows that hydraulic impact rotary drilling is an advanced and applicable technology that needs less investment and brings benefit very soon. It greatly improves drilling efficiency and economic benefit,increases cycle length and core recovery, and reduces in-hole accidents.