used in the oil & gas industry used in the oil & gas industry used in the oil & gas industry used in the oil & gas industry any any used in the oil & gas industry used in the oil & gas industry used in the oil & gas industry used in the oil & gas industry used in the oil & gas industry used in the oil & gas industry used in the oil & gas industry used in the oil & gas industry any used in the oil & gas industry used in the oil & gas industry used in the oil & gas industry oil well sending a shockwave down a well used in the oil & gas industry used in the oil & gas industry oil well used in the oil & gas industry any en:Oil well fire English used in the oil & gas industry oil well fires