China National Offshore Oil Corp. towed the rig, known as HYSY 981, into a disputed area of the South China Sea in May 2014, triggering an uproar in Vietnam. Anti-Chinese riots broke out in several parts of the country while Chinese and Vietnamese coast-guard and fishing vessels stood off against each other at sea.

The squeeze puts further pressure on the shale industry to sell assets, cut jobs and drilling and shrink capital spending. It also raises the risk that more companies will tip into bankruptcy.

The world's top crude oil exporter asked banks for a loan worth between $6 billion and $8 billion that would run for five years, sources told Reuters last month, as the kingdom seeks to plug a record budget deficit caused by low oil prices.

Crude output from Cepu more than tripled throughout 2015 from around 40,000 bpd in 2014, hitting around 130,000 bpd in December when Exxon commenced operation of the project's central processing facility.

Chevron Corp. and Royal Dutch Shell Plc had their ratings reduced by one level, while Total SA’s was cut two steps, according to statements by the New York-based rating company on Friday. Chevron will generate negative cash flow amid rising debt for at least the next two years, while Shell will have elevated leverage following its acquisition of BG Group Plc, Moody’s said. Prices are expected to stay low through this year and next and continue to pressure Total’s operating cash flows and credit metrics, Moody’s said.

U.S. Rig Count is down 7 rigs from last week to 443, with oil rigs down 8 to 354, and gas rigs up 1 to 89. Canadian Rig Count is down 8 rigs from last week to 41, with oil rigs down 3 to 8, and gas rigs down 5 to 33.

Saudi Arabia is the largest supplier of crude oil to India, where oil demand grew by 5.7% last year and is expected by the International Energy Agency to increase 6.3% this year.

"The level of $45-50 (per barrel) is acceptable from the point of view of market balance: if prices go higher shale oil production could start to recover."

Oil-producing countries can come to an agreement capping crude production at January levels even if Iran doesn’t join the move to help shore up prices.

Poorly conceived policies could restrict development of abundant domestic natural gas resources and deny the US energy security, economic, and geopolitical opportunities.