Abstract
Three formations namely the Kais Formation, the Klasafet Formation, and the Klasaman Formation, which are located in the Salawati Basin, West Papua have proven to have produced hydrocarbons. However, stratigraphically there are two other formations, namely the Faumai Formation and the Sirga Formation which can potentially act as source rocks as well. To prove that these two formations can be source rocks and produce hydrocarbons, it is necessary to conduct a geochemical analysis of the YB-01, YB-04, and YB-05 exploration well samples, in the form of an analysis of total organic carbon, kerogen type, and evaluation of maturity, with parameters on total organic carbon, rock-eval pyrolysis, vitrinite reflectance, and Tmax. It is hoped that the results of this geochemical laboratory analysis can prove that these two formations can indeed become source rock prospects and produce hydrocarbons.