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] Louisiana oil & gas operators, recent drilling permits, producing wells, and well production information. DrillingEdge provides drilling permits, well completion information, and production reports on wells in Louisiana.
[pdf] The Archimedes' screw, also known as the Archimedean screw, hydrodynamic screw, water screw or Egyptian screw, is one of the earliest documented machines. It was so-named after the Greek mathematician who first described it around 234 BC, although the device had been developed in earlier in the century. It is a reversible hydraulic machine that can be operated both as a pump or a power generator.
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