FMC Technologies ( FTI) said its second-quarter earnings more than doubled, boosted by strong performance of its energy systems business and a pretax gain of $17.1 million. The company earned $65.5 million, or 93 cents a share, in the quarter, compared with $29.4 million, or 42 cents a share, a year ago. The latest quarter includes a gain of 15 cents a share from the settlement of claims related to the Sonatrach project. Analysts polled by Thomson First Call were expecting earnings of 72 cents a share. Second-quarter revenue rose 22.9% from a year ago to $998.4 million. Analysts were expecting revenue of $946.2 million in the most recent quarter. The Houston-based company raised its full year 2006 earnings guidance to $2.80 a share to $3 a share, excluding 15 cents a share benefit from the Sonatrach claims settlement and the 3 cents a share benefit from a discontinued operation, compared with the earlier guidance of $2.60 a share to $2.80 a share. Analysts were forecasting earnings of $2.97 a share for the full year. The company's inbound orders in the second quarter increased 1.2% from a year ago to $1.13 billion and its order backlog climbed 24.8% to $2.29 billion. Subsea backlog for the quarter rose 25% from the year ago to $1.5 billion. By segment, second-quarter revenue from Energy Systems jumped 30% from a year ago to $772.5 million and revenue from FoodTech segment rose 6.3% to $148.1 million. However, revenue from Airport Systems fell 3.4% from a year ago to $79.2 million. Shares fell $3.79 to $61.