Overburden Casing Bits – Design, Materials, and Manufacturing
Z Design Casing Bits Overburden drilling equipment and drill strings (including casing, rods, casing shoes, casing bits, bits) along with a skilled driller are required for drilling straight and consistent boreholes through all overburden materials, fluctuating from very soft, broken ground to exceptionally hard, compact conditions. Drillers balance thrust, torque, rotary speed, flush parameters, and percussive […]
INSITE Podcast Episode 2: XQ™ Rods
INSITE AND BENEFITS OF BOART LONGYEAR’S XQ™ RODS On this INSITE podcast, Amanda Nielsen interviews Boart Longyear’s director of engineering, Chris Drenth. Chris has been instrumental in rod and wireline development for Boart Longyear for 22 years. He is the inventor of 21 designs and 25 inventions that Boart Longyear has pursued patent protection for, […]
Lifting Dog Tired? Pointy Issue Resolved with New Overshot
BOART LONGYEAR’S NEW OVERSHOT RESOLVING POINTY ISSUES Since Boart Longyear introduced the Q™ Wireline system in 1966, retrieving the inner tube from the core barrel has been handled the same way: an overshot with lifting dogs (spring loaded hooked “fingers”) is lowered or pumped into the hole until it snaps over a pivoting spearhead mechanism […]