MarkWest Energy Partners (NYSE: MWE) reported earnings on Aug. 2. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended June 30 (Q2), MarkWest Energy Partners crushed expectations on revenues and missed estimates on earnings per share.

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

Margins expanded across the board.

Revenue details
 MarkWest Energy Partners recorded revenue of $446.1 million. The four analysts polled by S&P Capital IQ anticipated revenue of $350.5 million on the same basis. GAAP reported sales were 24% higher than the prior-year quarter's $359.8 million.

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 $0.24. The six earnings estimates compiled by S&P Capital IQ forecast $0.38 per share. GAAP EPS of $1.47 for Q2 were 43% higher than the prior-year quarter's $1.03 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 75.4%, 1,840 basis points better than the prior-year quarter. Operating margin was 58.3%, 2,060 basis points better than the prior-year quarter. Net margin was 41.9%, 2,010 basis points better than the prior-year quarter.

Looking ahead
 Next quarter's average estimate for revenue is $347.9 million. On the bottom line, the average EPS estimate is $0.38.

Next year's average estimate for revenue is $1.49 billion. The average EPS estimate is $1.69.

Investor sentiment

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on MarkWest Energy Partners is buy, with an average price target of $62.13.

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