Occidental Petroleum (OXY) came out with quarterly earnings of $0.74 per share, in line with the Zacks Consensus Estimate. This compares to earnings of $1.61 per share a year ago. These figures are adjusted for non-recurring items.A quarter ago, it was expected that this oil and gas exploration and production company would post earnings of $0.89 per share when it actually produced earnings of $1.18, delivering a surprise of 32.58%.Over the last four quarters, the company has surpassed consensus EPS estimate ...