Larger rivals Schlumberger and Halliburton both delivered better-than-expected results recently, largely driven by a surge in US activity.

Second-quarter net profit at Baker Hughes increased to $338 million, or 77 cents a share, from $93 million, or 23 cents a share, a year earlier.

Excluding items, the Houston-based company earned 93 cents a share. Revenue grew 41 percent to $4.74 billion.

Analysts had expected earnings of 91 cents, on revenue of $4.54 billion, according to Thomson Reuters I/B/E/S.