Patterson-UTI (PTEN) reported break-even quarterly earnings per share versus the Zacks Consensus Estimate of a loss of $0.04. This compares to earnings of$0.15 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 100%. A quarter ago, it was expected that this provider of onshore contract drilling services would post a loss of $0.10 per share when it actually produced a loss of$0.12, delivering a surprise of -20%.Over the last fou ...