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Showing posts from August, 2018

Tricone rock bits, rock roller bits, roller cone bits

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Tricone rock bits  or called tricone bits, rock roller bits,  roller cone bits , which  is mainly used for oil & gas, mining, water well drilling. In 1933 two Hughes engineers, one of whom was Ralph Neuhaus, invented the tricone bit, which has three cones. The Hughes patent for the tricone bit lasted until 1951, after which time other companies started making similar bits. There are several factors that affect drill bit selection. Due to the high number of wells that have been drilled, using information from an adjacent well is most often used to make the appropriate selection. A major factor in drill bit selection is the type of formation that needs to be drilled. The effectiveness of a drill bit varies by formation types. There are three types of formations: soft, medium and hard. A soft formation includes unconsolidated sands, clays, soft limestones, red beds and shale. Medium formations include calcites, dolomites, limestones, and hard shale. Hard f...

Guizhou Vilong Equipment Co,.Ltd

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Guizhou Vilong Equipment Co,.Ltd is specialized in design, production and sales of all kinds of diamond coring, DTH and rotary drilling equipments from 2009, we are one of CN's leading supplier and exporter of rock drilling tools for  mineral exploration, water well and  blast hole drilling. At beginning of 2009, we made a series of drag bits for one of our customer from Europe, after that, we expanded our business to all water well and mineral exploration drilling field by cooperating with several leading manufacturers of this field in China. Currently our major products include diamond impregnated core bits, surface set diamond core bits, reaming shell, core barrel, wireline drill rods, casing and casing shoe etc diamond core drilling tools; DTH hammer, DTH bits, DTH drill rods etc DTH drilling tools; DTH drill rigs, Water well drill rigs, tricone rock bits, drag bits, PDC bits etc drill strings consumables applicable for mining, geotechnical exploration and water wel...