Oil prices have surged more than 30% this year, with Brent crude climbing from $60 to around $80 a barrel. Geopolitical tensions, particularly concerns about a prolonged conflict with Iran, have fueled the rally. While prices could remain elevated, investors are seeking oil companies that can thrive even if crude prices fall.

Chevron stands out with its massive scale and low-cost resources, capable of generating sufficient cash flow to cover capital spending and dividends at Brent prices below $50 a barrel through 2030. The company expects to deliver an additional $12.5 billion in free cash flow this year at $70 Brent, driven by expansion projects and its Hess merger. Chevron returned $27.1 billion to shareholders last year and recently extended its dividend growth streak to 39 years.

ConocoPhillips also boasts a vast portfolio of low-cost assets, with a pre-dividend free cash flow breakeven in the mid-$40s. The company generated $7.3 billion in free cash last year at just over $69 Brent, comfortably covering its $4 billion dividend. These companies' strong balance sheets and low breakeven prices make them attractive investments regardless of oil price volatility.