On Saturday July 27 2556, 16-inch crude oil pipeline was of PTT Global Chemical Public Company Limited leak at the Battle buoy crude. Away from the coast to the port of Map Ta Phut, Rayong, southeast, about 10 nautical miles or about 18 kilometers, while sending oil to refineries. Allow oil to flow out to sea by approximately 50 000 liters a statement on Sunday July 28 2556 that oil was dissolved efficiently. The rest is a thin film of oil. And can be limited to an area where he can control. But on Monday, 28 July 2556 Marine and Coastal Conservation Center, which is the one that has oil into Prao bay. Which lies to the north of the island, beginning at 19:00 o'clock on Sunday 28 July 2556 at 22:00 clock and beaches of Prao bay with oil long distances over 600 meters of oil. 20-30 cm thick and eating area off the coast of Prao bay into the sea about 200 meters, resulting in a black smelly oil sands along the beach. Including the sea area Ao Prao filled with oil. It is necessary to temporarily close the Prao bay. Private agencies and relevant government departments have jointly resolve the situation initial orientation buoy oil at sea and the ship pulls the Gulf barrier to prevent fragmentation before draining the oil, then put up a gallon. along the side pads to collect the oil slick across the beach as well as boats and planes to spray chemical breakdown of oil. First Naval Area Command, Marine Department, Industrial Estate Authority of Thailand, Pollution Control Department, Department of Disaster Prevention and Mitigation Rayong Province. And other agencies He has collaborated in the removal of oil by rail to put an end to the oil spill has affected the environment around the island and the area nearby. Which may affect individuals or entities may have suffered.