Drilling mud flows into a container while an oilfield worker works on a rig at… Saudi Arabia’s decision to reject an international plan to limit oil output could push other big producers to the brink almost two years into a historic crude-price slump. Saudi Arabia, the world’s largest exporter of crude, scuttled the hopes of countries like Russia, Venezuela and Angola, which wanted a deal that would freeze production at January levels and begin regulating the global glut of oil that has sunk prices. Nearly half of the countries sitting at the table in recent days in Doha—Iraq, Nigeria, Angola , Ecuador, Venezuela and Azerbaijan, among others—are seeking financial support from international backers. In Venezuela, where President Nicolás Maduro trumpeted the oil-producer talks as a first step toward fiscal recovery, the economy is set to contract again this year as petroleum revenues dwindle. The cash crunch has hurt power […]