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Nature of Operations (Details) | 6 Months Ended
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Jun. 30, 2013 item rig
Nature of Operations |
Number of major business lines | 2
Number of platform rigs actively marketed | 36
Number of jack-up rigs actively marketed | 5
Number of barge rigs actively marketed | 4
Number of hydraulic horsepower pressure pumping services in key basins throughout United States and Canada | 800,000
Nature of operations |
Number of actively marketed land drilling rigs | 473
Number of states in which oil, gas and geothermal land drilling operations are conducted | 48
Minimum number of countries in which oil and gas land drilling operations are conducted | 20
Joint Venture in Saudi Arabia |
Nature of Operations |
Ownership percentage | 51.00%
Number of rigs actively markets in joint venture | 5
U.S. |
Nature of Operations |
Number of rigs marketing for land well-servicing and workover service | 442
Canada |
Nature of Operations |
Number of rigs marketing for land well-servicing and workover service | 102

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