The OSX caught my eye today. It appears to be consolidating.

The DMI has been losing its luster, and today the index broke from the 20SMA support (that has been holding for the last 5 months). Some of the names in the OSX appear to be valued pretty well, but observing the chart of Crude the valuations maybe merited.
Crude is very much in a bullish trend:

Although crude is at a high (and I am typically weary of buying oil related stocks toward mid/late August due to seasonality weakness), bullishness appears to be holding.
The above would suggest an initial entry to the Oil Services may be merited. A Oil Services ETF is the PXJ, but if EFTs are not your thing and like stocks, SLB is the best play here. But I would wait for a full consolidation in the OSX (266) for an initial entry.
If seasonality comes to play, and a real correction is seen over the next few weeks in oil, then a doubling down should occur during the correction.
I found the OSX chart interesting, and if you wanted to get into the sector, the opportunity maybe here.