(Español) Premio Anual de Seguridad 2014 Petronor
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What is fracking?
Fracking is a method used to extract natural gas from unconventional sources. Its purpose is the use of gas stored in the pores and cracks of certain stratified, finely or very finely grained sedimentary rock, usually shale or marlstone, which is so impervious that the gas is sealed off from […]
