Bloomberg US oil drillers slowed the pace of a months-long expansion as invest- ors worry that growing shale production will ruin OPEC’s efforts to prop up prices. Drillers added 5 rigs targeting crude this week, bringing the total to 688, according to Baker Hughes Inc. data reported. While all four of the biggest oil basins boosted activity this week, …

  Bloomberg Exxon Mobil Corp. won’t be allowed to bypass US sanctions against Russia to resume drilling for oil in a joint venture that seeks to tap billions of barrels of that country’s crude. Treasury Secretary Steven Mnuchin said the decision was made after consultation with President Donald Trump, according to a statement. Exxon initially requested the drilling waiver in …

  Bloomberg BP Plc’s 2010 Gulf of Mexico oil spill caused damage to beaches, animals, fish and coral that the public values at $17.2 billion, according to a financial accounting released on the seventh anniversary of the disaster. The tally, published in the journal Science, is based on a survey of thousands of Americans that asked what they’d be willing …