Evaluation the effect of Chemical Water Shutoff by Using OFM Software case study-Heglig oil field

Abstract

Excessive water production is one of the major problems in Heglig oil field in Sudan. Heglig field is located in southeast and middle of Block 2B, Muglad Basin, It consists of (Heglig main, Toma, El Bakh, El Full, Laloba, Kanga, Barki, Hamra, Simbir East and Rihan). In this project four wells were taken. To solve this problem partially or completely, a number of techniques such as chemical water shutoff (polymer) have been used to reduce the produced water . This project aims to evaluate and clarify the effect of polymer by using OFM software which draw the performance plots. The result shows that the effect of polymer success in three wells (HE-38, TO-02, TO-03) and failure in one well (HE-04). In well (TO-02) the water cut reduce from (94.5 to 20) %.