HOUSTON -- Vanguard Natural Resources LLC (NYSE: VNR) on Jan. 18 announced that it has commenced a public offering of 7,137,255 common units representing limited liability company interests in the Company, of which 3,137,255 common units are being offered by Denbury Onshore, LLC, the selling unitholder (the “Selling Unitholder”), pursuant to an effective shelf registration statement on Form S-3 filed with the Securities and Exchange Commission on January 18, 2012.

The Company will grant the underwriters a 30-day option to purchase up to an additional 1,070,588 common units. The Company ...