Petrohawk Energy Corp., Houston, (NYSE: HK) plans to form an MLP named HK Energy Partners LP for certain Permian and Arkoma basin properties. Petrohawk plans to file an initial public offering (IPO) of units for its MLP during the third quarter and anticipates the offering will be made during the fourth quarter for approximately $150 million to $225 million. Petrohawk will be the general partner and is expected to own a majority of the MLP at the IPO closing.