Hyperdynamics Corporation (NYSE Amex: HDY) announced that it has signed a contract with Bergen Oilfield Services AS of Norway to conduct a 9,000 kilometer 2-D marine seismic survey on portions of its oil and gas concession offshore Republic of Guinea. The survey is expected to get under way by the end of October. "This survey will help us make a final determination of which portions of our 31,000-square mile concession area we want to maintain for future exploration," said Ray Leonard, Hyperdynamics' President and Chief Executive Officer. "Under a new September Memorandum of Understanding that reaffirms the validity of our Production Sharing Contract, we are required to relinquish 64% of the acreage by December 31, 2009.