That means the addition of 1300 rigs to the global fleet due to strong demand in Asian, North American and eastern European and former Soviet Union markets as well as demand for new high-spec units, ...
Patterson-UTI Energy Inc., a drilling contractor based in Snyder, Tex., agreed to buy $100 million of rig components from National Oilwell Varco Inc. to build 15 land drilling rigs in 2007. HOUSTON, ...
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