Measuring Instruments Used in Drilling Operations-Namely, Consoles which Measure Drilling Rate Response, Pump Pressure, Strokes Per Minute, Gallons Per Minute, Total Pump Strokes, Pit Level and Flow Data, Flow-Rate Returns, Rotary Revolutions Per Minute and Mud Weight

'consol':9 'data':30 'drill':5,12 'flow':29,32 'flow-rat':31 'gallon':20 'instrument':2 'level':27 'measur':1,11 'minut':19,22,38 'mud':40 'name':8 'oper':7 'operations-nam':6 'per':18,21,37 'pit':26 'pressur':16 'pump':15,24 'rate':13,33 'respons':14 'return':34 'revolut':36 'rotari':35 'stroke':17,25 'total':23 'use':3 'weight':41

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