Fig. 9From: Microbial enhanced heavy crude oil recovery through biodegradation using bacterial isolates from an Omani oil field a SEM image of Berea core-plug at sterile conditions (control). b SEM image of the growth of B. licheniformis AS5 isolate in Berea core-plug after core-flooding experiment at 100,000 magnification, leading to additional heavy crude oil recoveryBack to article page