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Abstract Mangala Field is one of the world’s largest polymer flood projects and is currently at a total recovery of 37% over 15 years of production. Strategically designed polymer flooding has played a key role in augmenting the production numbers, but over time has posed significant challenges in injector and producer performance. A pilot hydraulic fracturing campaign of 11 wells has shown significant, sustained improvements in productivity index. The fracturing process effectively bypassed the damage caused by polymer injection, resulting in reduced near-wellbore formation damage and improved injectivity. The work progressed from the pilot tests to streamlined fracturing treatments in over 100 wells in the field.
D’Cruz et al. (Mon,) studied this question.