Halliburton (HAL) came out with quarterly earnings of $0.80 per share, in line with the Zacks Consensus Estimate. This compares to earnings of $0.77 per share a year ago. These figures are adjusted for non-recurring items.A quarter ago, it was expected that this provider of drilling services to oil and gas operators would post earnings of $0.74 per share when it actually produced earnings of $0.76, delivering a surprise of 2.70%.Over the last four quarters, the company has surpassed consensus EPS estimates ...