LRR Energy, L.P., an LP formed by Lime Rock Resources to develop oil and natural gas properties in N. America, filed on Friday with the SEC to raise up to $282 million in an initial public offering. The Houston, TX-based company booked $86 million in pro forma sales for the 12 months ended December 31, 2010 and plans to list on the NYSE under the symbol LRE. Wells Fargo Securities, Citi, Raymond James and RBC Capital Markets are the lead underwriters on the deal. No pricing terms were disclosed.