Based on its 50-year history of successful operations in the closely regulated North Slope of Alaska, Nabors has designed, manufactured and operated specialized, high-specification rigs engineered for Arctic conditions.
[pdf] It contains averages of rigs running in Louisiana divided into regions: north, south inland land, south inland water, state offshore and OCS. The main source of this data is Baker-Hughes drilling statistic.
[pdf] China's land-based oil resources are mostly concentrated in the country's north. Large oil fields include , , , , and Dagang. China's proven oil reserves per capita are low. Province started producing in 1960, and by 1963 was producing nearly 2.3 million tons of oil. Production from Daqing declined, but in 1965, in Sh. In recent years, Chinese-manufactured oil rigs have earned a strong reputation in global markets due to their advanced technology, cost-efficiency, and comprehensive service support, especially for land drilling projects.
[pdf] 
