The invention relates to a guard for protecting a drilling machine operator from a drill bit mounted in a vertical drilling machine. The guard comprises
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A pulsed-electric drilling system includes a bit that extends a borehole by detaching formation material with pulses of electric current from one or more
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Anti-torque device with high torque is one of the main parts of the electromechanical coring tools of armored cable type for sub-glacial bedrock drilling
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drilling a portion of a well, pulling off of hose, through a top drive 155 and into an which would be inaccessible using armored
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A cable connector is provided which is particularly suitable for connecting tensioned armored cable sections used in wireline measurement while drilling
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A method for installing an electric conductor in a drill string during drilling operations wherein an insulated electric conductor is lowered into the drill
Chao Gao; Juntang Yuan, 2011: Efficient drilling of holes in Al2O3 armor ceramic using impregnated diamond bits Efficient drilling of holes in Al2O
EXPERIMENTAL DRILLING TESTS OF ABRASION RESISTANT HARDOX 500 T=f (vc) AT Materials that are heat-treated thermomechanical include but are not armored
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SiC armor ceramic is hard to drill due to its high hardness and brittleness.The grinding performance of SiC armor ceramic was analyzed which is of low
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