Core recovery and how to improve it is a topic that comes up often in a discussion with field technicians this is not surprising since it is the purpose of diamond drilling and every driller and drilling company wants to be efficient and cost effective when drilling there are several tips that can help you improve your core recovery. Annels and dominy core recovery and quality important factors in mineral resour ce estimation 3 mineralised core length of 460 m fr om an epithermal gold system in australia showing the . The methods there are two ways to do core drilling conventional and wirelinethe main difference is how you recover the core sample once the inner tube is full in conventional drilling the entire drill string needs to be pulled out of the bore hole for each drilling cycle. Corewell has been a game changer for our drilling program easing the chopper logistics support that we have to rely on in difficult terrain and poor weather conditions drill hole management has also vastly improved as drill holes have improved in both drilling rate and recovery
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