Cement mixes for use in oil wells and gas wells

'cement':1 'gas':9 'mix':2 'oil':6 'use':4 'well':7,10

Chemical additives for fracturing fluid for use in oil and gas wells; proppant for use in oil well and gas well hydraulic fracturing operations

'addit':2 'chemic':1 'fluid':5 'fractur':4,23 'gas':11,20 'hydraul':22 'oil':9,17 'oper':24 'proppant':13 'use':7,15 'well':12,18,21

Well improvement services, namely, bonding and securing well casing and providing zonal isolation for oil and gas well drilling services

'bond':5 'case':9 'drill':19 'gas':17 'improv':2 'isol':13 'name':4 'oil':15 'provid':11 'secur':7 'servic':3,20 'well':1,8,18 'zonal':12

Oil and gas well treatment, namely, fracturing, acidizing and cementing of oil and gas wells, and treating oil and gas wells using nitrogen

'acid':8 'cement':10 'fractur':7 'gas':3,14,20 'name':6 'nitrogen':23 'oil':1,12,18 'treat':17 'treatment':5 'use':22 'well':4,15,21

KEANE

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