Surveying the Gulf May 28, 2010 / 10:11 AM EDT / CBS News Jim Krasula Jim describes this oil sheen as looking like orange-colored jellyfish with heads the size of quarters or half dollars. Surveying the effect Jim Krasula Our Jim Krasula (left) with charter boat Captain Craig Bielkiewizz (right) surveying the effect of the oil on the gulf. Oil Rigs Working Jim Krasula About six miles off the coast of Grand Isle, LA, is this Exxon Oil rig. Impact Jim Krasula The environmental impact of the oil is still yet to be determined. Memorial Day Buisness Slow Jim Krasula The nearly empty Bridge Side Marina at Grand Isle LA. On a normal Memorial Day weekend, it would be a lot busier.