4[3]Newberry M E, Barker K M :Organic formation damage control and remediation, SPE paper 58 723 presented at 2000 SPE international symposium on formation damage control, Lafayette,Louisiana, 23～24 February 2000.
5[5]Report on Sludge Disposal at Cochin Refinery,Indian Oil Corporation R & D Report,1988.
6[9]Kuriakose A P,S Kochu Baby Manjooran.: Bitumenous paints from refinery sludge, Surface and Coatings Technology, 2001,145.
