NEW YORK -- Energy stocks traded flat-to-lower in early action on Tuesday. The NYSE Arca Oil Index rose about 0.1% to 1,267. The NYSE Arca Natural Gas Index fell 0.2% to 629. The Philadelphia Oil Service Index dipped 0.3% to 255. Range Resources , Anadarko Petroleum Corp. and Rowan Cos. Inc. all fell about 1.2% and Southwestern Energy Co. dipped 0.8%. Tidewater Inc. fell 2.3% and Transocean rose 1.6%. BP PLC fell 0.7%.

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