Enhancing down-the-hole air hammer capacity in directional drilling

International Scientific and Research Conference on Knowledge-based Technologies in Development and Utilization of Mineral Resources 2017

矿业工程;地球科学

Klishin, V.I.^1 ; Timonin, V.V.^2 ; Kokoulin, D.I.^2 ; Alekseev, S.E.^2 ; Kubanychbek, B.^2

Institute of Coal of the Federal, Research Centre of Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences, 10 Leningradsky Prospect, Kemerovo

650065, Russia^1

Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, 54 Krasnyi pr., Novosibirsk

630091, Russia^2

关键词: Air hammers;    Percussion drilling;    Pilot testing;    Test data;    Trajectory deviation;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/84/1/012020/pdf
DOI  :  10.1088/1755-1315/84/1/012020

来源: IOP

【 摘 要 】

The authors discuss the issue connected with drilling trajectory deviation and present the technique of rotary-percussion drilling with a down-the-hole air hammer. The article describes pilot testing of the air hammer drill PNB76 in Berezovskaya Mine. The ways of improving the air hammer drill are identified, and the basic diagram and R&D test data are given.