On Wednesday, March 18, Israeli forces struck Iran’s South Pars gas complex, hitting onshore refinery units and storage tanks in Asaluyeh and offshore installations tied to the field. Iran responded rapidly with missile and drone attacks on sites in Saudi Arabia, the United Arab Emirates and Qatar’s Ras Laffan Industrial City — the world’s largest liquefied natural gas (LNG) export hub. QatarEnergy said Ras Laffan sustained “extensive damage.”
These were the first direct strikes on fossil fuel production and processing facilities since the conflict began on February 28. Until now, US and Israeli actions had largely avoided hitting energy infrastructure to limit the risk of reciprocal attacks on production sites.
US reaction and threats
President Donald Trump said on Truth Social that he “knew nothing about this particular attack,” while insisting Israel would not hit the gas field again unprovoked. He also warned that if Iran attacked Qatar again, the United States would respond with overwhelming force against the South Pars field.
Market and strategic impact
The strikes sharply escalated regional tensions and immediately unsettled global energy markets, sending oil and natural gas prices higher on fears that critical infrastructure had been targeted.
Shared reservoir, outsized significance
South Pars sits on a single, massive transboundary gas reservoir shared with Qatar’s North Dome (Qatar North) field. Together the two halves form the world’s largest gas field, holding roughly a third of known global gas reserves.
For Iran, damage to South Pars is first and foremost a domestic emergency. International sanctions have curtailed Iran’s export capacity, so most gas produced at South Pars is used internally, with the remainder exported to neighbors such as Iraq and Turkey. South Pars accounts for about 70% of Iran’s gas production and is key to energy supply and the national economy. A prolonged outage could cut output, aggravate local shortages and deepen rationing and blackouts, even though Iran sits atop some of the world’s largest proven gas and oil reserves.
For Qatar and world markets, the consequences are broader. Qatar’s Ras Laffan complex — a nearly 300-square-kilometer industrial zone run by state-owned QatarEnergy with partners including ExxonMobil, TotalEnergies and Shell — is the cornerstone of the country’s LNG export capacity. Ras Laffan handles a large share of global LNG flows; damage or lengthy shutdowns there would reduce worldwide gas supplies and also disrupt helium production, a valuable byproduct used in semiconductors and other industries.
Wider disruption risks
Regional shipping has already been strained by an effective blockade of the Strait of Hormuz, limiting tanker movement out of the Persian Gulf. But attacks on upstream and processing facilities pose a different and potentially longer-lasting threat: repairs to damaged plants and offshore platforms can be technically complex and slow. Analysts say restoration could take months or even years depending on the scale of the damage, extending supply disruptions and keeping markets on edge.
Observers noted the significance of these strikes as the first direct hits on upstream facilities in the conflict. That shifts market concern from when shipping lanes might reopen to how long production itself will take to recover. The immediate market reaction — rising oil and gas prices — reflected those anxieties, and commentators pointed out the irony that attacks on energy infrastructure run counter to previous efforts by some parts of the US administration to ease upward pressure on prices.
The unfolding damage to South Pars and Ras Laffan adds a dangerous material dimension to a conflict that until recently was marked mainly by strikes on military and proxy targets. How long repairs take and whether attacks continue will help determine whether the incident is a temporary shock or the start of deeper, longer-term disruptions to global energy supplies.