| http://www.w3.org/ns/prov#value | - To this I added 2.8 billion Btu for the embodied energy in the steel used for the well casing,[16] 1.2 billion Btu for the embodied energy in the concrete used for the well casing,[17] 1.5 billion Btu for the embodied energy of the trucks, pumps, and other equipment used in the drilling and hydrofracking process,[18] and 10 billion Btu for the embodied energy of the steel used for a portion of the
|
