Low salinity waterflooding EOR laboratory test using a carbonate rock

Abstract

In recent years, Low Salinity Waterflooding (LSW) Enhanced Oil Recovery (EOR) research is attracting attention during oil price downturn, mainly because of its low cost and simplicity. INPEX is currently conducting a LSW laboratory test for a carbonate reservoir. This article provides an overview of the comprehensive laboratory measurements from preparatory tests to main tests. Knowledge acquired during the laboratory test is also provided.

The results of the spontaneous imbibition tests were promising, which requires a coreflood experiment to further evaluate the possibility of conducting a LSW in this studied reservoir.