Aging of wells is a perceptual problem for global oil industry. an oil well becomes stripper when approx 30% of oil in place has been recovered and there are thousands of such oi well. Scientists of TERI and IRS with support from DBT & ONGC successfully cultured tougher bacteria that works at high temp , high pressure and high salinity. After successful tetsing in 45 wells, a new company ONGC TERI Biotech Ltd was created to commercialise the technology.
(source: Biotech news, www.biotechnews.in)