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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… MORE »
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This article originally appeared in the GeoDrilling International June 2019 issue. For core drilling, from drillers running a rig, to management in the office, people in the drilling and mining industry care about two things: 1. Getting individuals home safely2. The amount of core in the box When the right drill bit is in the… read more ››
There are many different factors that affect the rate at which consumables are used, but have you looked at the way drilling could be affecting your bits? The best way to save money on consumables like bits is to check your drilling methods. These simple tips could decrease your operating costs and add more cash… more ››
This article originally appeared in Coring Magazine 2017, Issue 5. Deviated holes and drill rod limits A common wireline coring challenge is to successfully drill deviated holes, without cracking or permanent bending of the drill string. Most operators understand that any deviation should occur over multiple rod lengths and that any portion of the deviation… more ››
This article originally appeared in International Mining's November 2017 issue (requires subscription password) Drilling contractors and mining companies rely on their tooling to get the highest productivity and the lowest cost per meter for every project. When purchasing top hammer button bits, for example, choosing a high-quality product designed for the specific ground conditions is only… more ››
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