CONTROL SYSTEM FOR DRILLS USED IN MINING, OIL FIELDS, EXPLORATION AND WATER WELLS WHICH IMPROVES HOLE ACCURACY AND INCREASE DRILL BIT LIFE CONSISTING OF COMPUTER HARDWARE, A LADDER LOGIC PROCESSOR, AND A COMPUTER SOFTWARE OPERATING SYSTEM

'accuraci':17 'bit':21 'comput':25,33 'consist':23 'control':1 'drill':4,20 'explor':10 'field':9 'hardwar':26 'hole':16 'improv':15 'increas':19 'ladder':28 'life':22 'logic':29 'mine':7 'oil':8 'oper':35 'processor':30 'softwar':34 'system':2,36 'use':5 'water':12 'well':13

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