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drilling bit

   Also found in: Wikipedia 0.03 sec.
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Noun1.drilling bitdrilling bit - a bit used in drilling for oil
drill bit
bit - the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press; "he looked around for the right size bit"
core bit - a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
blade bit, fishtail bit - a drilling bit with cutting edges usually hardened against wear
rock bit, roller bit - a drill bit that has hardened rotating rollers
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Two years later, Atlas Copco sought to improve its diamond products business and bought Hobic Bit Industries, which is a major Canadian core drilling bit producer with in-roads into China.
Atlas Copco Exploration Products: company of the year (51+ employees) by Ross Ian / Northern Ontario Business
Since the process of drilling exposes water from the drilling fluid to reduced iron filings from the drilling bit, "some of the hydrogen and quite possibly some of the methane as well are forming as an artifact of the drilling,' says Valley.
Drilling into a deep controversy by Monastersky, Richard / Science News
It cools and lubricates the drilling bit, conditions the formation wall, removes cuttings from the borehole, brings traces of formation fluids to the surface, and, when it possesses certain characteristics, it provides a wellbore medium suitable for some electrical, acoustic, and nuclear well-logging measurements.
Greater Sooner Holdings, Inc. Details Operational Excellence at Webb ... by Business Wire
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