Fluid-invasion control chemical compounds for use in controlling oil, gas, and water flow in earthen drilling, boring, and digging operations, namely, well drilling and remediation, mining, tunneling, and underground material storage

'bore':19 'chemic':5 'compound':6 'control':4,10 'dig':21 'drill':18,25 'earthen':17 'flow':15 'fluid':2 'fluid-invas':1 'gas':12 'invas':3 'materi':32 'mine':28 'name':23 'oil':11 'oper':22 'remedi':27 'storag':33 'tunnel':29 'underground':31 'use':8 'water':14 'well':24

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