The company reported a net profit of $1.15 billion, or 95 cents per share, down from $1.38 billion, or $1.12 per share. Revenue rose to $6.87 billion from $6.25 billion.

Excluding charges and credits, the Houston-based company posted earnings of $1.24 billion, or $1.03 per share, slightly below analysts' forecasts for $1.04 per share on revenue of $6.84 billion, according to Reuters Estimates.

(Reporting by Matt Daily and Braden Reddall; Editing by Lisa Von Ahn)