(Oil & Gas 360) – Oil prices advanced Monday as renewed attacks in Saudi Arabia and continued threats to Middle Eastern shipping routes raised concerns about global crude supplies, outweighing expectations for additional diesel exports from Russia.Brent crude futures rose approximately 2% to $106.79 per barrel, while U.S. West Texas Intermediate gained 1.8% to $93.54 in early afternoon London trading. Both benchmarks recovered from earlier losses as investors assessed escalating regional security risks and potential disruptions to petroleum exports.The price increase followed a series of attacks attributed to Yemen’s Iran-aligned Houthi forces, including a strike on Riyadh’s international airport that killed 13 people and injured more than 300. Additional attacks over the weekend heightened concerns about the security of Saudi infrastructure and regional transportation networks.Commercial shipping also remains under pressure. Recent incidents involving tankers near the Strait of Hormuz have renewed uncertainty surrounding the recovery of Middle Eastern crude exports. The waterway remains one of the world’s most important oil transportation corridors, making disruptions particularly significant for Asian refiners and international energy markets.Meanwhile, President Donald Trump announced plans for Russia to increase diesel supplies to international markets following a partial easing of export restrictions. The initial arrangement involves more than 300,000 metric tons of diesel, with additional shipments potentially available later.The announcement contributed to lower European gasoil futures, although questions remain about Russia’s ability to deliver substantial additional volumes given constraints affecting its refining sector.The administration also announced a proposed energy ceasefire between Russia and Ukraine. However, Ukrainian officials reported continued attacks on energy infrastructure, leaving uncertainty about whether the arrangement would materially improve petroleum supply conditions.For oil and gas producers, sustained higher crude prices could support revenue and cash flow, although elevated transportation costs and geopolitical uncertainty may complicate export operations. Refiners face a different set of challenges as crude acquisition costs, diesel availability, and regional product margins respond to changing supply conditions.The developments also have implications for midstream operators, tanker companies, and energy infrastructure providers. Disruptions to established shipping corridors can increase demand for alternative transportation routes, storage capacity, and reliable export infrastructure.For investors, the divergence between crude oil and diesel markets illustrates the complexity of today’s energy environment. Additional refined product supplies may provide some relief, but they do not necessarily resolve disruptions affecting crude production and transportation.The International Energy Agency has encouraged member countries to evaluate whether additional diesel releases are necessary to stabilize markets, underscoring continued concern about fuel availability.Oil prices will remain sensitive to developments involving Saudi Arabia, the Strait of Hormuz, Russian fuel exports, and efforts to reduce regional hostilities.The immediate question for energy markets is whether additional petroleum supplies can offset the risks associated with increasingly vulnerable transportation routes and infrastructure. Until greater stability returns, geopolitical developments are likely to remain an important influence on crude prices, refining economics, and investment decisions across the energy sector.Disclaimer This informational, opinion, and insights article is provided for informational purposes only and does not constitute investment, legal, or financial advice. The views expressed are based on publicly available information and market conditions at the time of publication and are subject to change without notice.