Harlsan > Articles by: harlsan Reverse Circulation Drilling Programs How reverse circulation drilling is effectively used in exploration drilling programs. Reverse Circulation is used in drilling programs for initial exploration and also for resource definition....
Harlsan > wear bend Harlsan deflector box wear bend design boosts safety and durability. Don’t have time to read the full article? Here’s a summary of benefits of the new Harlsan Wear Bend: Maintenance intervals up to 5 x longer: The stronger inner core...
Harlsan > Drilling Program Drilling Program – Grade Control Reverse Circulation is the most commonly used drilling method for grade control in open pit mining operations. Grade control is used to define the ore grades and ore blocks in the pit and also...
Harlsan > Drilling Program Drilling Program – Exploration Reverse Circulation is used in drilling programs for initial exploration & also for resource definition. There are two types of RC drilling. One is RC with hammer, used in medium and hard rock that...
Harlsan > 2019 > June The Harlsan Industries 4½” drill rod weld has been independently certified to the highly regarded AS1210 – 2010 Class 1 pressure vessel rating by certifying body Exceed Consulting. The Harlsan Industries 4½” drill rod weld has been...
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