Bracewell & Giuliani and Skadden, Arps, Slate, Meagher & Flom represent Noble Energy in the Houston oil and gas exploration and production company's pending acquisition of Rosetta Resources for about $2.1 billion in stock.

Rosetta, also of Houston, turned to Latham & Watkins.

On May 11, Noble and Rosetta announced a definitive merger agreement that calls for Noble to acquire all of the common stock of Rosetta in an all-stock transaction valued at $2.1 billion. Noble will also assume $1.8 billion of Rosetta debt.