Chevron Stock And 2 Oil Majors To Watch As Iran Sanctions Shake Energy Markets

Operation Economic Fury has thrown fresh spotlight on global energy security, with harsher sanctions on Iran reshaping trade routes, finance channels, and oil flows. For investors, this kind of disruption can quickly reprice risk and reward, creating openings for both resilience and missteps. This article explains how the story relates to three large integrated oil and gas stocks exposed to the news and outlines why they may merit closer attention at this time.

The stocks covered in the article below are just a starting sample from this idea, and the full screen surfaced 12 more large-cap integrated oil and gas companies with equally compelling narratives that are not discussed here. To go straight to the source and identify your own highest-conviction angles, head into the Global Integrated Oil & Gas (Large-Cap Energy Majors) screener.

Marathon Petroleum fits the large cap integrated oil and gas screener as a US based downstream heavyweight, centered on refining crude into fuels and petrochemicals and moving them through its own logistics and marketing network. The Refining & Marketing segment is the engine, generating about US$144.6b of revenue, with Midstream contributing roughly US$11.7b and Renewable Diesel about US$3.4b. At a market cap of roughly US$102.8b, Marathon Petroleum gives you exposure to scale driven refining economics within a tightly integrated system.

Investors watching Operation Economic Fury may see Marathon Petroleum as one of the refiners closest to the action, with a large US refining system, strong crack spread capture and an in house midstream arm that can help it respond quickly when trade routes and crude grades shift. The flip side is meaningful debt and forecasts that point to softer earnings over the next few years. As a result, the current strength in refining margins, returns on equity and heavy crude processing capacity will need to work hard to offset those pressures. If you want exposure to the energy crunch through a downstream giant that is already leaning into renewable diesel and branded retail, this is a story worth unpacking further before deciding how it fits your portfolio.

Refining strength and renewable diesel momentum are only part of the Marathon Petroleum story. The real question is how that mix holds up once you factor in debt, softer earnings forecasts and the 2 key rewards and 3 important warning signs (1 is major!)

Build your own refining and energy shortlist

Marathon Petroleum and the two other stocks in this article all came from a single screener, but the real edge comes when you tailor the filters yourself. Use our flexible Screener to mix metrics like valuation, growth, balance sheet strength, risks and dividends, or lean on any of our ready made Investing Ideas for a curated starting point.

Chevron is one of the flagship stocks in the Global Integrated Oil & Gas (Large-Cap Energy Majors) screener, with a fully integrated model across Upstream, Downstream and energy trading that links directly to global crude price swings. Revenue is broadly split between international and US operations, with Upstream contributing about US$55.1b internationally and US$52.6b in the US, while Downstream brings in roughly US$78.8b internationally and US$82.5b in the US, partly offset by intersegment eliminations. At a market cap of around US$403.6b, Chevron offers exposure to a scale energy major that spans exploration, refining, chemicals and newer low carbon projects.

Investors looking at Chevron now are weighing a classic energy major profile in an unusually charged geopolitical backdrop. The company combines large scale, low cost oil and gas production with a global refining and chemicals footprint, which can translate into strong cash generation when crude prices are volatile and supply appears fragile. At the same time, the profile involves risks, including heavy exposure to hydrocarbons, regulatory pressure and the execution demands of big projects like Guyana and Kazakhstan. The interest lies in how that mix of resilience, cash returns and transition ambition develops from here, especially if Operation Economic Fury continues to keep a geopolitical premium in the system.

Chevron’s huge upstream and downstream engine is only half the story. The real tension is how its scale, projects and transition plans stack up once you weigh the detailed 3 key rewards and 1 important warning sign.

TotalEnergies is a French based integrated energy major that fits the Global Integrated Oil & Gas screener through its mix of oil and gas production, LNG, refining and a growing power business that can all be sensitive to higher crude prices. Most revenue currently comes from traditional operations, with Refining & Chemicals generating about $128.3b, Marketing & Services $68.3b and Exploration & Production $41.5b, alongside $18.1b from Integrated LNG and $22.5b from Integrated Power. With a market cap of roughly €172.6b, TotalEnergies combines large scale hydrocarbons with expanding LNG and renewables, which may appeal if you want both oil price leverage and a broader energy transition angle.

TotalEnergies provides exposure to a large, diversified energy system at a time when Operation Economic Fury is keeping attention on oil supply security and Middle East shipping risk. The interest for investors is how a company with strong LNG projects, a growing power arm and a low P/E profile balances higher cash generation from crude with softer long term growth forecasts, an uneven dividend record and ongoing climate and geopolitical legal pressures. If you want to understand whether that mix of value signals, buybacks and transition projects outweighs the funding and policy risks, this is a stock that earns a closer look.

TotalEnergies looks like a classic oil and gas giant, yet its mix of LNG, power and hydrocarbons could be masking a different risk reward profile. The real twist shows up in the 2 key rewards and 1 important warning sign

Seeking Fresh Alternatives Beyond Oil Majors

Markets move fast, and fresh breakout ideas rarely stay quiet for long. Spot stocks building momentum while the data is still under the radar for now and act now.

This article by Simply Wall St is general in nature. We provide commentary based on historical data
and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your
financial situation. We aim to bring you long-term focused analysis driven by fundamental data.
Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material.
Simply Wall St has no position in any stocks mentioned.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com