Producer-to-injector conversion to enhance oil productivity and profitability

Abstract

Infill new injection wells are utilized to increase the recovery of producing well as it reduces the spacing that existed between the old production wells that yields higher capital costs. Therefore, the decision, then must be made to convert old producers to the injectors. This work deals with the subject of converting existing producing wells for injection purposes. This evaluation was done by investigation the strategy of converting the producers to water injectors by design, simulation model and the optimum oil productivity and profitability was evaluated. In this project each phase of the petroleum recovery (primary and secondary) was modelled and changed through several scenarios in expression of conversion of production to injection wells as well as utilizing different injection patterns by using simulation program. Eclipse-100 and Petrel was used as the simulation software and the optimum oil productivity and cost effect of conversion wells, profit gain and optimum profitability were evaluated. Findings showed that, primary plans’ RF after modification raced up 42%. Whereas, secondary recovery plan was developed to approximately 56%. This recovery increment is basically due to the additional oil that was swept microscopically by water and its effect in the injection of the converted wells. In addition, an economic analysis supported the results of the project with a net revenue value of $ 2,325,002,016 over the net income of the base case. In summary, conversion producer wells into injection wells is the best option to get the optimum oil productivity and profitability.