Baker Hughes (BKR) reported Q1 adjusted earnings late Tuesday of $0.51 per diluted share, up from $0.43 a year earlier.
Analysts polled by FactSet expected $0.47.
Revenue for the quarter ended March 31 increased slightly to $6.43 billion from $6.42 billion a year earlier.
Analysts surveyed by FactSet expected $6.50 billion.
Shares of Baker Hughes were down 1% in after-hours trading.