Subterranean oil well drilling tools, namely, oil well downhole measurement instruments for measuring formation properties and drilling conditions during drilling; Telemetry systems for communicating measurements while drilling to the Earth's surface, namely, hardened units composed of microprocessors and integrated transmitters affixed to equipment at oil drilling sites to transmit telemetry data on equipment for operations and safety management systems

'affix':42 'communic':24 'compos':36 'condit':18 'data':52 'downhol':9 'drill':4,17,20,27,47 'earth':30 'equip':44,54 'format':14 'harden':34 'instrument':11 'integr':40 'manag':59 'measur':10,13,25 'microprocessor':38 'name':6,33 'oil':2,7,46 'oper':56 'properti':15 'safeti':58 'site':48 'subterranean':1 'surfac':32 'system':22,60 'telemetri':21,51 'tool':5 'transmit':50 'transmitt':41 'unit':35 'well':3,8

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