oil and gas production; processing of oil and gas

'gas':3,9 'oil':1,7 'process':5 'product':4

oil and gas drilling; pipeline construction and maintenance

'construct':6 'drill':4 'gas':3 'mainten':8 'oil':1 'pipelin':5

managing the exploration, production and operations of natural gas and oil properties for others

'explor':3 'gas':9 'manag':1 'natur':8 'oil':11 'oper':6 'other':14 'product':4 'properti':12

exploration and searching for oil and gas; designing and conducting seismic surveys of oil and gas fields

'conduct':10 'design':8 'explor':1 'field':17 'gas':7,16 'oil':5,14 'search':3 'seismic':11 'survey':12

TELLUS

Owners