ONEOK Partners (NYSE: OKS) is expected to report Q3 earnings on Oct. 30. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict ONEOK Partners's revenues will wither -10.1% and EPS will contract -16.7%.

The average estimate for revenue is $2.61 billion. On the bottom line, the average EPS estimate is $0.70.

Revenue details
 Last quarter, ONEOK Partners reported revenue of $2.12 billion. GAAP reported sales were 24% lower than the prior-year quarter's $2.78 billion.

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

EPS details
 Last quarter, EPS came in at $0.69. GAAP EPS of $0.69 for Q2 were 3.0% higher than the prior-year quarter's $0.67 per share.

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

Recent performance
 For the preceding quarter, gross margin was 18.9%, 600 basis points better than the prior-year quarter. Operating margin was 10.7%, 340 basis points better than the prior-year quarter. Net margin was 9.7%, 360 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $9.90 billion. The average EPS estimate is $2.96.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 643 members out of 658 rating the stock outperform, and 15 members rating it underperform. Among 242 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 237 give ONEOK Partners a green thumbs-up, and five give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on ONEOK Partners is hold, with an average price target of $60.31.

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