Royal Dutch Shell’s second-quarter profit slumped to a 30-month low on weaker fuel prices and refining margins, denting a steady recovery in recent years and sending the Anglo-Dutch energy company’s shares down over 5%.

Tens of billions of dollars will be at stake when BP heads to a US court this month to determine how much it owes for the massive Gulf of Mexico oil spill and how much it can shift to subcontractors.