A recent attack on the Pearl gas-to-liquids facility in Qatar damaged one of Shell’s main production plants, disrupting its operations for at least a year. The facility, a key part of Shell’s global business, was severely impacted by the missile strike.
Source: https://www.wsj.com/business/energy-oil/iranian-missile-strikes-are-costing-big-oil-billions-in-lost-revenue-7c492caa