Helix Energy Solutions Group, Inc. has executed a letter of intent with Allseas Marine Contractors S.A. for the installation of the subsea infrastructure in connection with Allseas' engineering, procurement, installation and construction of Reliance Industries Ltd.'s Dhirubhai gas field development project in the Krishna Godavari Basin in the Bay of Bengal. Helix plans to use its deepwater construction vessel Express and its dive support vessel Eclipse on this project. The work consists of the installation suction piles, manifolds, rigid jumpers and spool pieces, flying leads and trees. The work is scheduled to commence in the fourth] quarter of 2007. The estimated contract value is in the $140-150 MM range and the vessel utilization exceeds 400 days.