| Parker Drilling Company is a provider of contract drilling and drilling-related services. As of December 31, 2010, the Company operated in five segments: International Drilling, U.S. Drilling, Rental Tools, Project Management and Engineering Services, and Construction Contract. As of December 31, 2010, the Company's fleet of rigs consisted of 11 rigs in the Commonwealth of Independent States/Africa-Middle East region, including eight land rigs and one arctic-class barge rig in Kazakhstan and two land rigs in Algeria; 10 rigs in the Americas region, including seven land rigs and one barge rig in Mexico and two land rigs in Colombia; five land rigs in the Asia Pacific region, including two rigs in Indonesia, one rig in Papua New Guinea and two rigs in New Zealand; thirteen barge drilling rigs in the inland and shallow waters of the United States Gulf of Mexico (GOM), and one unassigned land rig held in its yard in New Iberia, Louisiana. |