Meanwhile those with spare capacity – primarily Saudi Arabia and the UAE – have held off on breaching their quotas to maintain OPEC+ unity rather than spark a market share battle.

The Brent contract for July delivery expired on Tuesday at $122.84 a barrel, up 1%, WTI rose 37 cents, or 0.3%, to $115.04 a barrel.

Even with some countries halting or phasing out energy purchases, Russia's oil-and-gas revenue will be about $285 billion this year, according to estimates from Bloomberg Economics based on Economy Ministry projections.

First proposed on May 4, the EU's sixth sanctions package against Russia was designed to ban its crude imports into the bloc within six months and halt flows of its oil products by the year-end to help hit Moscow's oil revenues.

Oil still posted its longest run of monthly gains in more than a decade.

In late April, Urals cargoes for late May or early June delivery were trading at a discount of around $5-6/b to benchmark ICE Brent crude futures on a DES Shandong basis,

While many Western buyers are avoiding Russian crude in response to its invasion of Ukraine, Indian private refiners such as Reliance and Nayara have been among the biggest buyers this year of discounted Russian supplies.

Brent rose $2.31, or 1.9%, to $123.98 a barrel, WTI crude was trading at $119.34 a barrel.

The price of OPEC basket of thirteen crudes stood at $120.01 a barrel on Monday

Hungarian Prime Minister Viktor Orban said May 30 he wants a complete exemption from the European Union's plans to ban Russian oil imports

"The sanctions will immediately impact 75% of Russian oil imports. And by the end of the year, 90% of the Russian oil imported in Europe will be banned," Michel said in a tweet after a summit meeting.

Ultimately the quality of our lives depends – in large part – on the critical infrastructure we rely on every day.

A key focus of 40107 is around the digitalization of utilities and encouraging investment in new technologies, like smart grid capabilities and utility analytics, that can lead to faster, more intelligent, and automated decision-making and promote resiliency.

The so-called “four D’s” of energy disruption have served as a helpful way to describe the energy transition taking place, namely, decarbonization, democratization, decentralization, and digitalization.

Brent was up 47 cents, or 0.4%, at $119.90 a barrel, WTI jumped 72 cents, or 0.6%, to $115.79 a barrel.