Every time I read an analysis of Occidental Petroleum (NYSE: OXY ) (NEOE: OXY:CA ) on Seeking Alpha, I invariably come across a few comments that point out Warren Buffett's investment in the company. With Occidental piling upDilantha De Silva is an experienced equity analyst and investment researcher with over 10 years in the investment industry. He writes insightful articles for Seeking Alpha, GuruFocus, TipRanks, and ValueWalk, with a significant following on Seeking Alpha. Dilantha’s expertise spans acro ...