UAE Quits OPEC as Hormuz Closure Strains Gulf Oil Order
Abu Dhabi's exit strips OPEC of nearly 5 million barrels per day of capacity and deepens a Saudi-Emirati rift opened by the Iran war.
The United Arab Emirates announced on Tuesday (2026-04-28) that it was withdrawing from OPEC and OPEC+, ending nearly six decades of membership in the oil producers' cartel and removing its third-largest producer one day before a scheduled ministerial meeting in Vienna.5
The timing sharpens the blow. The US-Israel war on Iran has already caused what Al Jazeera described as a historic energy shock, and Gulf producers are collectively struggling to move exports through the Strait of Hormuz. Abu Dhabi chose this moment to declare that it would prioritise national interests over cartel discipline — a direct challenge to Saudi dominance of the group.3
The scale of the supply disruption makes the fracture consequential beyond the politics. The Iran war wiped out 7.88 million barrels per day of OPEC's production in March, a 27% fall to 20.79 million barrels per day and the sharpest output collapse the cartel has recorded in recent decades, according to Guardian reporting. The UAE's own production slumped 44% to 1.9 million barrels per day after the Hormuz closure, though its capacity to increase output from that depressed base is disputed.4
JINSA analysis put the total Gulf shut-in at roughly 9.1 million barrels per day, with the Strait of Hormuz effectively closed. Saudi Arabia now loses not only a swing producer but the enforcer of its preferred quota architecture. OPEC loses a member with 4.8 million barrels per day of total capacity, according to Rystad Energy, which called the withdrawal a significant shift for the group. "Losing a member with 4.8 million barrels per day of capacity, and the ambition to produce more, takes a real tool out of the group," Rystad said.1,3
Abu Dhabi's position has always been structurally distinct from Riyadh's. Unlike other Gulf producers, the UAE controls the port of Fujairah, which sits outside the Strait of Hormuz and provides an export route that bypasses the chokepoint entirely. OPEC data show the UAE's pre-war production averaged roughly 3 million barrels per day, according to Herald Korea, meaning Abu Dhabi had both the infrastructure and the volume to pursue independent market access even as its Hormuz-dependent neighbours remained pinned.6
The Guardian framed the exit as a political decision as much as a commercial one, reigniting simmering tensions between Abu Dhabi and Riyadh that shared anger toward Iran had briefly papered over since the start of the conflict. Saudi Arabia now bears a disproportionate burden for any price stabilisation effort inside OPEC — a cartel whose collective credibility has been severely damaged by the production collapse and the defection of a major member.4,1
ICE Brent crude front-month was trading at $90.15 per barrel on Wednesday (2026-07-29), up 0.72% on the session, reflecting the persistent war premium embedded in physical markets since the Hormuz closure. Dubai crude, the benchmark most directly relevant to Gulf export flows, was at $76.91 per barrel on the same date, a wide discount to Brent that reflects the constrained physical export routes from the region. JKM, the Asian LNG benchmark, stood at $21.32 per MMBtu on Wednesday (2026-07-29), sustained by the diversion of Atlantic basin LNG cargoes toward Asian buyers unable to source Gulf barrels through normal channels.
Saudi Arabia's options are narrow. It can attempt to hold remaining OPEC members to output discipline and defend prices, but its leverage over producers who never wanted the cuts — and who now face acute fiscal pressure from war-related economic disruption — is diminished. It can raise its own production to partially offset the UAE's exit and the broader supply gap, but that conflicts with any price-support strategy. Neither path is clean.1
The Emirati move also tests the US position. Washington is party to the conflict driving the Hormuz closure, and a fragmenting Gulf oil architecture complicates any American strategy that depends on Gulf allies maintaining coordinated output or price signals. How the UAE chooses to deploy its Fujairah route capacity — at what volumes and toward which buyers — will be the more immediate question for physical crude traders pricing Gulf differentials in the weeks ahead.3,1
For OPEC, the institutional damage is harder to quantify than the lost barrels. Collective action among remaining members becomes more difficult once a large producer demonstrates that exit is viable and strategically advantageous. Whether Saudi Arabia can retain the compliance of smaller members, who watched Abu Dhabi walk away during a supply crisis without apparent cost, is the question the cartel cannot yet answer.1,2