Halliburton Company (NYSE: HAL) is set to release second-quarter results on Jul 19. The current Zacks Consensus Estimate for the to-be-reported quarter is a profit of 80 cents per share on revenues of $6 billion. Let's delve into the factors that might have influenced the oilfield service firm's performance in the September quarter. But it's worth taking a look at HAL's previous-quarter performance first. Highlights of Q1 Earnings & Surprise History In the last reported quarter, this Houston, TX-based provider of technical products and services to drillers of oil and gas wells beat the consensus mark due to strength in the international markets, partly offset by weak performance in the North American region. Halliburton had reported adjusted net income per share of 76 cents, surpassing the Zacks Consensus Estimate of 74 cents. Revenues of $5.8 billion also came above the Zacks Consensus Estimate by some $121 million. HAL beat the Zacks Consensus Estimate in each of the last four quarters, which resulted in an average earnings surprise of 3.9%. This is depicted in the graph below: Halliburton Company Price and EPS Surprise Halliburton Company price-eps-surprise | Halliburton Company Quote Trend in Estimate Revision The Zacks Consensus Estimate for the second-quarter bottom line has remained unchanged in the past seven days. The estimated figure indicates a 3.9% improvement year over year. The Zacks Consensus Estimate for revenues, ...