Abstract

The authors discuss application of the casing while drilling technology in pre-mine drainage. The currentness of this technology and its advantages are proved. The scope of the discussion embraces operating principle of the equipment used in casing drilling. A new method for batch removal of drill fines from large-diameter boreholes is described. The economic efficiency of the technology is evaluated in terms of drainage holes drilled using rig SANDVIK DE-880 in Kirov mine at SUEK-Kuzass.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.