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Comparison of eclipse and tNavigator

Janam Ravi-Kumar

Πλήρης Εγγραφή

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Περίληψη

Objective of the study is to implement the commercially available software tools to the basic reservoir engineering problems in a real field case. Eclipse data set ofNorne field, in the Norwegian sea, has been used for the study that is publiclyavailable on https://opm-project.org/?page_id=559. Eclipse 100 and tNavigator have been used to run the simulations for verifying the feasibility of application of the ASP flooding for improving recovery.Norne benchmark case is a real field black-oil model for an oil field in the Norwegian Sea. The model included dissolved gas, vaporized oil, transmissibility multipliers, pressure-dependent porosity and transmissibility, end-point scaling for relative permeability and capillary pressure. History-matching of production and pressures has already been done and well controls that change throughout the simulation schedule have also been included in the model.Application of ASP flooding technique has been simulated in E100 and tNavigator as part of the study purpose. As matched in the history, water injection starts very early in the field. There are total 36 wells of which 9 are injection wells and the remaining 27 are production wells. Five wells are exclusively water injection wells and they have been used to inject ASP slugs along with the water.In Eclipse E100, alkaline model is a simple model that does not take any chemicalreactions into consideration, but when used in conjunction with surfactant andpolymer to perform an Alkaline-Surfactant- Polymer (ASP) flooding, the alkaline can reduce the adsorption of both surfactant and polymer on the rock surface, therefore enhancing the effectiveness of the surfactant and polymer drive.Eclipse and tNavigator work in the same format of E100 text pad code. Results from the both software are comparable. tNavigator has a very good graphical userinterface to interact with the tool and all the graphs are defaulted and simultaneously can be viewed as the simulation time progress and it is faster thanthe Eclipse 100.

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