Occidental Petroleum reportedly to explore sale of $5 billion in assets

Occidental Petroleum reaches truce with activist investor Carl Icahn

Occidental Petroleum stock rises ahead of earnings

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Koers Occidental Petroleum Corporation - Andeel OXY Nyse- MarketScreener

ICYMI:... - City of Midland, Texas - City Government

Occidental Petroleum CEO Vicki Hollub on oil production

Occidental Petroleum

Occidental Petroleum stock falls after Buffett not expected to buy majority stake