There we go for Occidental: Looking like they made huge investments back in 2019 to grow, but those investments do not seem to be profitable, since their income has been very low in the current oil price environment. They really seem to have production costs that are close to the current oil price
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And for Chevron: Looking better, but not showing as much bottom line (profit) growth as Exxon. Exxon is just an amazing capital allocator

In my view, energy is the economy and a well diversified portfolio betting on the growth of the economy should at least consider including energy stocks (in my view a must). Other energy sources such as Nuclear will be the future, but the reality is that the world needs energy sources available now to help transition to clean energy. Until you need to get out the market because demand is not there anymore for oil, the well run energy companies will have returned the initial investment many times over