Atwood Oceanics, Inc., along with its subsidiaries, is engaged in the international offshore drilling contractor engaged in the drilling and completion of exploratory and developmental oil and gas wells. As of September 30, 2011, the Company owned a fleet of 10 mobile offshore drilling units located in the United States Gulf of Mexico, South America, the Mediterranean Sea, West Africa, Southeast Asia and Australia. During the fiscal year ended September 30, 2011 (fiscal 2011), it had a utilization rate of 95%. Its offshore drilling equipments include semisubmersible rigs, jack-up drilling rigs, semisubmersible tender assist rigs and submersible drilling rigs. It obtains the contracts, under which it operates its units either through individual negotiation with the customer or by submitting proposals in competition with other contractors. In October 2010, it entered into turnkey construction agreements with PPL Shipyard PTE LTD to construct two Pacific Class 400 jack-up drilling units.