Occidental Petroleum Stock And Shell Shares As Iran Sanctions Put Oil Stocks In Focus

Occidental Petroleum Corporation

Occidental Petroleum Corporation

OXY

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As Washington steps up pressure on Iran with “Operation Economic Outcast,” oil flows, sanctions risk and U.S. relations with China are all back in the spotlight. That mix can reshape expectations for companies that produce and refine crude, and it can leave investors either well positioned or on the sidelines. This article walks through three large integrated oil and gas stocks exposed to these headlines and explains why each one matters now.

The stocks covered below are a small sample of what this theme can offer, and the full screen surfaced 32 more global integrated oil and gas companies with equally compelling narratives that are not discussed in this article. To identify and analyze the highest conviction ideas in this space, head straight to the Global Integrated Oil & Gas Producers screener.

Phillips 66 (PSX)

Phillips 66 is an integrated downstream energy company that fits the screener’s focus on large, diversified oil and gas producers with meaningful exposure to refining, chemicals and logistics tied to global crude flows. Most of its revenue comes from Refining at about US$98.8b and Marketing and Specialties at about US$97.1b, with Midstream contributing around US$22.5b and Renewable Fuels about US$7.2b, showing how central product processing and distribution are to the business. With a market cap of roughly US$97.9b, Phillips 66 is a sizeable player in global fuel and petrochemical supply.

Investors looking at Phillips 66 today are weighing a large, globally connected refiner that can be sensitive to crude dislocations like “Operation Economic Outcast,” which affects where oil flows and what margins look like across regions. The company is working on higher returning refining projects, a growing Midstream footprint and renewable fuels, while also funding dividends and buybacks, yet it carries meaningful debt and analyst expectations for softer earnings over the next few years. If you want exposure to an integrated downstream player that could benefit when crude flows tighten but still carries balance sheet and earnings cycle risk, Phillips 66 is worth a closer look to see whether its cash generation and capital returns justify a place in a diversified portfolio.

Phillips 66’s large refining and marketing operations could be masking the main factor affecting returns. Get the full picture on cash generation, capital returns and balance sheet pressure in the analysis report for Phillips 66

NYSE:PSX Revenue & Expenses Breakdown as at Aug 2026
NYSE:PSX Revenue & Expenses Breakdown as at Aug 2026

Occidental Petroleum (OXY)

Occidental Petroleum is a large US based integrated oil and gas producer that fits this screener’s focus on upstream heavy operators whose fortunes are closely tied to global crude prices and demand for non sanctioned supply. Most of its US$23.9b revenue comes from Oil and Gas at about US$22.1b, with Midstream and Marketing contributing around US$2.4b and a small segment adjustment. With a market cap near US$61.3b, Occidental Petroleum is a sizeable player in the global energy market.

Occidental Petroleum gives you direct exposure to the theme investors are looking for in this screen: a big upstream producer whose cash flows can benefit when sanctioned barrels are squeezed out and buyers turn to US aligned supply. The company has been cutting debt, focusing on capital efficiency and using its size and integrated model to manage cost and price volatility. However, it still carries meaningful leverage, exposure to oil price swings and an uneven dividend record. If you want to understand how management is balancing deleveraging, new projects and carbon capture ambitions against those risks, this is a story worth unpacking before making any decisions.

Occidental Petroleum’s push to cut debt and lean on integrated operations has investors focused on the next chapter, but the real twist sits in how those trade offs stack up in the 2 key rewards and 2 important warning signs (1 is major!)

OXY Discounted Cash Flow as at Aug 2026
OXY Discounted Cash Flow as at Aug 2026

Shell (LSE:SHEL)

Shell is one of the flagship companies for this Global Integrated Oil & Gas Producers theme, with a portfolio that stretches from upstream oil and gas and liquefied natural gas to refining, chemicals and retail energy solutions. Revenue is spread across Marketing at about US$134.6b, Chemicals and Products at about US$131.8b, Renewables and Energy Solutions at about US$41.8b, Integrated Gas at about US$49.0b and Upstream at about US$44.2b, highlighting how much of the business is tied to turning crude and gas into higher value products. With a market cap around £188.3b, Shell is one of the largest integrated energy companies listed in Europe.

For investors focused on how large integrated producers can respond when oil supply tightens, Shell is a notable example. The company combines a broad upstream and LNG portfolio with substantial marketing and refining operations that can benefit when benchmark prices and regional spreads move in its favor, a pattern that has already shown up in recent earnings, share repurchases and interest from large institutions. At the same time, forecasts for softer earnings, an uneven dividend record and reliance on external borrowing mean this is not a straightforward income story. For investors assessing how Shell’s LNG scale, trading operations and capital return plans compare with those risks, deeper analysis is important.

Shell’s mix of LNG, trading and downstream cash engines could be masking where the real earnings power sits. See how the story changes once you factor in the analysis report for Shell.

LSE:SHEL Earnings & Revenue History as at Aug 2026
LSE:SHEL Earnings & Revenue History as at Aug 2026

Seeking Alternatives Before The Crowd

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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.