• Jan. 27, 1908 - Lightning struck tank number 3 of the Union Oil Co. tank farm at Avila. The bolt struck at 3:30 p.m. and ignited the oil stored in the tank. • October 5, 1913 - A spark from a passing locomotive was blamed for starting a fire, in a 250,000 gallon tank of distillate oil at the San Diego Standard Oil tank yard. As the oil burned it threw sparks skyward, which rained down on several other tanks nearby, igniting them. The fire burned for 2 days. This report describes fatal incidents identified by the NIOSH Fatalities in Oil and Gas Extraction (FOG) database that occurred in 2014. The purpose of FOG is to collect detailed information about worker fatalities related to U.S. oil and gas extraction.
[pdf] Rotary drilling machine, also known as pile driver. It is a comprehensive drilling rig, for its usage of a variety of bottom layers, the characteristics of fast forming layers, less pollution, and strong mobility.
[pdf] A rotary drilling rig works by rotating a drill string, which applies downward pressure to a drill bit that grinds the earth. Drilling fluid or air is pumped down the drill string to cool the bit, carry cuttings to the surface, and stabilize the borehole.
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