The Biden administration is cracking down on the Russian “shadow fleet” and taking steps to curb oil and gas production.

Oil prices surged on Friday and were on track for a third straight week of gains as traders focused on potential supply disruptions from more sanctions on Russia and Iran.

Oil had a dramatic day as the US imposed its most aggressive sanctions on Russia’s industry and prices surpassed $80 a barrel. Brent futures at one point hit their highest mark since early October. The sweeping penalties are part of an effort by the outgoing Biden administration to boost Ukraine’s leverage in possible peace negotiations after Donald Trump takes office.

The U.S. Treasury Department is sanctioning Russian oil companies, tankers, officials and executives. Oil prices jumped on worries that crude supplies would face disruptions. Oil prices jumped more than 3% on Friday as the U.

Oil prices rallied nearly 3% to their highest in three months on Friday as traders braced for supply disruptions from the broadest U.S. sanctions package targeting Russian oil and gas revenue. The Biden administration on Friday imposed fresh sanctions targeting Russian oil producers,

The U.S. Departments of Treasury and State Friday applied new sanctions on Russia's oil production and exports. Sanctioned were oil companies, 183 ships, dozens of oil traders, insurance companies and energy officials.

The measures include sanctions on Russian oil producers Gazprom Neft and Surgutneftegas, and the blacklisting of 183 vessels involved in Russian energy exports. Dozens of traders, Russia-based oilfield service providers,

"The United States is taking sweeping action against Russia's key source of revenue for funding its brutal and illegal war against Ukraine," Treasury Secretary Janet Yellen said.