Gazprom Neft, Surgutneftegas and shadow tanker fleet sanctioned; petroleum-services ban and shipping-insurance risk

Blocking sanctions on Gazprom Neft, Surgutneftegas, and over two dozen subsidiaries; U.S. petroleum-services ban effective February 27 2025; sanctions on 183 shadow-fleet and other oil tankers plus Sovcomflot, Rosnefteflot, UAE ship managers, and two Russian maritime insurers; designations for opaque oil traders and a government-linked network moving billions in Russian crude; measures against more than 30 Russia-based oilfield service providers; sanctions on senior Russian energy officials and executives; full blocking rules with the 50-percent threshold and elevated secondary-sanctions risk for shipping, insurance, and Finance facilitation of Russian oil trade.