“One narrative we’ve recounted time and again over the past six or so months revolves around the extent to which Saudi Arabia has put itself in dire financial straits by stubbornly keeping crude prices artificially suppressed in an effort to i) bankrupt the US shale space, and ii) pressure the Russians.”
http://www.zerohedge.com/news/2015-10-19/facing-dire-financial-straits-saudi-arabia-delays-contractor-payments-preserve-cash