Öz The purpose of this research was to define petrolcüm traps around Narh. The maîn paıt of the research is the preparation of seismic ross-csections. Interpretation of seismic cross—sections were carried out using the two deep weUs data. Being prospect in the South—Eastern Anatolia region, Mardin group was chosen for the first target. A number of researchs related surface geology in the region were performed up to now. Region was covered by young deposits. From this point, it was expected that seismic surveys may give good results. By this research, stratîgraphy and tectonical structures were explained and new prospect petrolcüm traps were discovered in the region. These traps are formed by Mardin group and Besni formation at Bakırca, A, B, and C fields. Beside that new lithologic and stratigraphic traps were discovered. Source, reservoir and cap rocks were determinated. As a result, it was decided that Mardin group carbonates was most promising explorations.