Opec weakness at low oil price means US shale drillers "might win".

Bloomberg: “Here’s why the U.S. shale upstarts just might win a confrontation with Saudi Arabia as oil sinks: While the Arab nation is as flush with cash as ever, the finances of some fellow OPEC members are deteriorating quickly.”
Venezuela, for example, has burned through billions of dollars to stave off default, leaving its foreign reserves near a decade-low. In Nigeria, officials are struggling to stem a selloff in the currency that has left it at a record low.”