Schlumberger (NYSE: SLB) reported earnings on April 20. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q1), Schlumberger met expectations on revenues and earnings per share.

Compared to the prior-year quarter, revenue increased significantly and GAAP earnings per share improved significantly.

Margins improved across the board.

Revenue details
Schlumberger tallied revenue of $10.61 billion. The 19 analysts polled by S&P Capital IQ foresaw revenue of $10.54 billion on the same basis. GAAP reported sales were 22% higher than the prior-year quarter's $8.72 billion.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
Non-GAAP EPS came in at $0.98. The 27 earnings estimates compiled by S&P Capital IQ anticipated $0.98 per share on the same basis. GAAP EPS of $0.97 for Q1 were 41% higher than the prior-year quarter's $0.69 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
For the quarter, gross margin was 20.5%, 150 basis points better than the prior-year quarter. Operating margin was 17.0%, 190 basis points better than the prior-year quarter. Net margin was 12.2%, 140 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $10.93 billion. On the bottom line, the average EPS estimate is $1.06.

Next year's average estimate for revenue is $45.05 billion. The average EPS estimate is $4.46.

Investor sentiment
The stock has a five-star rating (out of five) at Motley Fool CAPS, with 2,985 members out of 3,064 rating the stock outperform, and 79 members rating it underperform. Among 649 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 636 give Schlumberger a green thumbs-up, and 13 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Schlumberger is outperform, with an average price target of $89.97.

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