Schlumberger (SLB) reported Q1 earnings Friday of $0.72 per diluted share, down from $0.75 a year earlier.
Analysts polled by FactSet expected $0.73.
Revenue for the quarter ended March 31 was $8.49 billion, down from $8.71 billion a year earlier.
Analysts surveyed by FactSet expected $8.6 billion.
Shares of the company were down more than 1% in recent Friday premarket activity.
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