Anadarko Petroleum (NYSE: APC) reported earnings on April 30. Here are the numbers you need to know.

The 10-second takeaway
For the quarter ended March 31 (Q1), Anadarko Petroleum beat expectations on revenue and beat expectations on earnings per share.

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

Gross margin dropped, operating margin improved, and net margin increased.

Revenue details
Anadarko Petroleum logged revenue of $3.45 billion. The 16 analysts polled by S&P Capital IQ expected a top line of $3.34 billion on the same basis. GAAP reported sales were 6.9% higher than the prior-year quarter's $3.22 billion.

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

EPS details
EPS came in at $0.92. The 29 earnings estimates compiled by S&P Capital IQ averaged $0.82 per share. GAAP EPS of $4.28 for Q1 were much higher than the prior-year quarter's $0.43 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 80.5%, 50 basis points worse than the prior-year quarter. Operating margin was 26.3%, 730 basis points better than the prior-year quarter. Net margin was 62.5%, 5,580 basis points better than the prior-year quarter.

Looking ahead
Next quarter's average estimate for revenue is $3.45 billion. On the bottom line, the average EPS estimate is $0.91.

Next year's average estimate for revenue is $14.50 billion. The average EPS estimate is $5.73.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 1,429 members out of 1,478 rating the stock outperform, and 49 members rating it underperform. Among 319 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 309 give Anadarko Petroleum a green thumbs-up, and 10 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Anadarko Petroleum is outperform, with an average price target of $103.31.

How did Anadarko Petroleum treat you during the oil spike in 2008 and the subsequent bust? More importantly, what are you doing to prepare for the next spike that some experts believe may be just around the corner? Prepare yourself with a well-positioned energy stock we profile in our latest free report: "The Only Energy Stock You'll Ever Need." Click here for instant access to this free report.