What is sludge?
Oil tanks are not air tight. Every tank has a vent pipe to prevent over-pressurization when the tank is filled. When oil goes in, air comes out, and vice versa. Sludge is the result of Continue reading The Sludge Report
Oil tanks are not air tight. Every tank has a vent pipe to prevent over-pressurization when the tank is filled. When oil goes in, air comes out, and vice versa. Sludge is the result of Continue reading The Sludge Report