Oil exploration; gas exploration; scientific research in the fields of oil and gas exploration and production; technology consultation and research in the fields of oil and gas exploration and production; oil well testing

'consult':18 'explor':2,4,14,28 'field':9,23 'gas':3,13,27 'oil':1,11,25,31 'product':16,30 'research':6,20 'scientif':5 'technolog':17 'test':33 'well':32

Gas production services and oil production services; treatment of materials, namely, mechanical and chemical processing and transformation of organic and inorganic substances in the fields of energy exploration and production, namely, natural gas, liquid natural gas, heavy oil and crude oil

'chemic':14 'crude':40 'energi':27 'explor':28 'field':25 'gas':1,33,36 'heavi':37 'inorgan':21 'liquid':34 'materi':10 'mechan':12 'name':11,31 'natur':32,35 'oil':5,38,41 'organ':19 'process':15 'product':2,6,30 'servic':3,7 'substanc':22 'transform':17 'treatment':8

Well drilling services; technical consulting related to the installation of oil and gas equipment

'consult':5 'drill':2 'equip':14 'gas':13 'instal':9 'oil':11 'relat':6 'servic':3 'technic':4 'well':1

BLACKROCK PETROLEUM

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