The recent explosion near OIL will in Baghjan is due to removing the spool during the blowout control operations. In a written statement, OIL said, 'The three experts were provided with medical attention immediately at the well site, and later on they were taken to the burn unit section at Astha Hospital in Dibrugarh district. They were released after dressing of their injuries. Further they added, 'While removing the spool during blowout control operations at Baghjan well no. 5, three experts from M/s Alert sustained minor injuries. Treatment was provided immediately to the injured experts.'