Geological Publishing House, Institute of Exploration Technology, Chinese Academy of Geological SciencesHost
2001 No. 1
Article Contents

LIU Hui, ZHANG Yong-qin, CHEN Xiu-xing, ZHANG Guo-qing, FENG Qi-xin. Testing of the Air Reverse Circulation Drilling Process in Geo-physical Blast hole Drilling[J]. DRILLING ENGINEERING, 2001, (1): 34-36. doi: 10.3969/j.issn.1672-7428.2001.01.020
Citation: LIU Hui, ZHANG Yong-qin, CHEN Xiu-xing, ZHANG Guo-qing, FENG Qi-xin. Testing of the Air Reverse Circulation Drilling Process in Geo-physical Blast hole Drilling[J]. DRILLING ENGINEERING, 2001, (1): 34-36. doi: 10.3969/j.issn.1672-7428.2001.01.020

Testing of the Air Reverse Circulation Drilling Process in Geo-physical Blast hole Drilling

  • This paper describes the theory, features and testing results of the air reverse circulation drilling process used in geo-physical blast hole drilling. It is concluded through the testing that the process provides high penetration rate, deeper depth and explosive installation without tripping drilling tools; and its application is of good prospect.
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