The News TribuneHash oil extraction blamed for blast in northern ColoradoThe News TribuneThe extraction of hash oil is likely to blame for an explosion that injured two men in a trailer in northern Colorado. The Weld County Sheriff's Office says a 32-y …

The Star OnlineLow oil price to stayThe Star OnlineALTHOUGH the price of crude oil has rebounded from its atrocious levels following the crash in 2014, the growth of the upstream segment, which involves activities in exploration and drilling, is expected t …