Williston Basin has twice as much oil and three times as much gas as previously estimated.
Bids by companies offering to take over the bankrupt refiner's site have been rejected.\n.
Surfactants are helping to increase oil flow in previously pumped reservoirs.
Draft fracking rules are released to assuage public concern in California
Large gas finds stir up fracking debate across the Pond.
The US DEP has announced emergency regulations relating to drilling in the Marcellus Shale fields.
A new report from US administrators alleges damning evidence of chemical contamination by onshore oil and gas drilling companies.
A new public information site to track the use of fracturing chemicals has been launched in the US as a Canadian company reveals a new LPG fracking gel.
Halliburton has developed a new fracturing fluid system based on food oils and enzymes
Recent rulings by Pennsylvania's DEP has lead to open debate and revelations about "fracking" additives.