Refinery and Terminal Storage Tank Cleaning. Cierra Tank uses state-of-the-art cold tapping and circulation technology to create an opening into the tank through blind flanges. This process eliminates the necessity of hot work and having to open the manways. Re-positioning roof support legs on internal floating roof tanks while in service. Removal and disposal of collapsed aluminum internal floating roofs.

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Massive oil pipeline break under N. Posted by Idyllicneedle under Global Issues. Reported October 11, 2013. North Dakota farmer who discovered an oil spill the size of seven football fields while out harvesting wheat says that when he found it, crude was bubbling up out of the ground. The release of oil has been .

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