The research faults cement seals and bad casing for methane leaks.
Western forces could target trucks carrying oil from a handful of refineries in northern Iraq.
The measures, aimed at a bank and oil projects, seek to strengthen the tenuous cease-fire with Ukraine.
Ben van Beurden talks about climate change, Russia sanctions, the Keystone XL pipeline and more.
The federal ruling opens the way for billions in fines under the Clean Water Act.
Plaintiffs blamed the firm’s cement job on BP’s Macondo well for a blowout on the Deepwater Horizon rig in 2010.
The answer could help determine whether Iraq can remain unified.
On Tuesday, the Obama administration moved to choke off the flow of U.S. technology for Arctic and shale oil exploration in Russia, the country’s next hydrocarbon frontiers.
The report comes ahead of public hearings on curbing emissions from power plants.
The country will need billions of dollars of new economic assistance this year, economists say.