AVGeo carried out the investigation work for Nghi Son refinery and Petrochemical LLC project at Tinh Gia  district – Thanh Hoa province. The investigation works include drilling, CPTu work, VST work, measurement of electrical resistivity and thermal resistivity. They were carried out primarily on sea from 6/2009 to early of 10/2009. The Client of this project is Petro VietNam.