Active magnetic ranging system comprised of electromagnetic apparatus used to generate or measure magnetic fields

'activ':1 'apparatus':8 'compris':5 'electromagnet':7 'field':15 'generat':11 'magnet':2,14 'measur':13 'rang':3 'system':4 'use':9

Active magnetic ranging services, namely, conducting magnetic resonance imaging interpretation and analysis for the petroleum industry

'activ':1 'analysi':12 'conduct':6 'imag':9 'industri':16 'interpret':10 'magnet':2,7 'name':5 'petroleum':15 'rang':3 'reson':8 'servic':4

RANGESTAR

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