id	keyword
gc-365	reserves
gc-365	exploration
gc-365	costs
gc-365	company
gc-365	oil
gc-365	market
gc-365	arc
gc-365	evaluation
gc-365	value
gc-365	production
gc-365	approach
gc-365	recoverable
gc-365	petroleum
gc-365	hydrocarbons
gc-365	world
gc-365	area