Harlsan > Article Library What Is Reverse Circulation Drilling? An Introduction To The Benefits Of RC Drilling Things we’re covering in this article: A Short History of RC Drilling How Does RC Drilling Work? How Is RC Drilling Applied? The Benefits & Advantages...
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 and clean removal of...
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. There are two types of RC...
Harlsan Harlsan Deflector Box Wear Bend Design Breakthrough Boosts Safety and Durability, Reduces Maintenance and Total Cost per Metre Don’t have time to read the full article? Here’s a summary of benefits of the new Harlsan Wear Bend: Maintenance intervals up...
Harlsan > Article Library Problem – Premature RC Inner Tube Wear One of the common problems associated with Reverse Circulation Inner Tubes was the premature wear and grooving caused by the traditional O-ring sealing system. Inner Tubes with O-rings were also prone...
Harlsan Deviation When Drilling Deep RC Holes 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...