Documents AirROC T25 _ D40

Atlas Copco Surface drill rigs AirROC T25 and D40 Hole diameter AirROC T25, 48-76 mm (2â-3â) AirROC D40, 89-115 mm (3 1/2ââ- 4 1/2ââ) Simple and sturdy, AirROC T25…

Documents Drilling Methods for Shallow Geothermal Installations

55 Drilling methods for shallow geothermal installations Burkhard Sanner1 and Olof Andersson2 1 Institute of Applied Geosciences, Justus-Liebig-University Diezstrasse 15,…

Documents Module4.pdf

Blasthole Drilling This blaster-training module was put together, under contract, with Federal funds provided by the Office of Technology Transfer, Western Regional Office,…