NOV's two main predecessors, Oilwell Supply and National Supply, were founded in 1862 and 1893, respectively. These two companies manufactured and distributed pumps and derricks. In 1930, acquired Oilwell Supply. In 1958, merged with National Supply. In 1987, National Supply merged with USS Oilwell to become "National Oilwell". Varco was founded as Abegg and Reinhold Company by Walter Abegg and Baldwin Reinhold i.
[pdf] Now, after years of rig market doldrums and rig fleet contraction, the market is experiencing the beginnings of a revival, with rising rates and dwindling availability. In the immediate aftermath of Russia’.
[pdf] The total number of active drilling rigs for oil and gas in the United States rose this week, according to new data that Baker Hughes published on Friday. The total rig count in the US rose to 537, according to Baker Hughes, down 45 from this same time last year.
[pdf] 
