Research Article
Microbially Induced Calcium Carbonate Plugging for Enhanced Oil Recovery
Figure 7
Distribution of CaCO3 within pore space of 60/80 mesh Ottawa sand with biotreated 4, 6, and 8 cycles.
(a) 4 cycles of microbial treatment |
(b) 6 cycles of microbial treatment |
(c) 8 cycles of microbial treatment |