Back in 2011, Harley Hollier at Harlsan was approached by a customer regarding a problem they had drilling 360m deep Reverse Circulation holes. Some of the holes had deviated more than 5 degrees off the intended azimuth when measured at the bottom of the hole. As the...
Harlsan > 2019 > October Reverse circulation drilling, or RC drilling, is a form of percussion drilling that uses compressed air to flush material cuttings out of the drill hole in a safe and efficient manner. Thanks to the benefits enjoyed by this method, it’s...
Harlsan > Articles by: harlsan What Is Air Core Drilling? An introduction to the benefits of Air Core drilling What is air core drilling? Air core drilling uses three-bladed steel or tungsten drill bits to bore holes into unconsolidated ground and is used when safe...
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...
Youtube
LinkedIn
Facebook
Instagram