Occidental Petroleum could have billions more from Berkshire Hathaway to sweeten a deal to buy Anadarko Petroleum, despite an agreement from earlier this month where Chevron Energy would acquire the smaller oil company.
Read MoreOccidental Petroleum could have billions more from Berkshire Hathaway to sweeten a deal to buy Anadarko Petroleum, despite an agreement from earlier this month where Chevron Energy would acquire the smaller oil company.
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