As oil from BP's sub-sea well laps coastal Louisiana, most ships in the Gulf have avoided contact with the spill but owners fear that regulations will be tightened after the disaster, raising their costs. “We've seen no delays from the spill, and it hasn't affected the operations of any of our ships,” said Dean Taylor, president of Tidewater Inc. in late May. Four vessels owned by Tidewater, which is headquartered in New Orleans, have been involved in recovery efforts. The company's work boat Damon B.