H.Y. Safura, A.W. Djaja, N.D. Ardi, P.H. Wijaya
The natural resources of oil and gas potential in the West Papua waters constitute a significant expansion of oil and gas investments in Indonesia's maritime specifically the eastern region. South Aru is located at the eastern edge of the basin trough Aru and includes one of the most potential oil and gas basins. Complex geological structures such as the case of large dip make seismic cross section results do not represent the subsurface structure of the earth nearing the actual subsurface geological conditions. The working principle of Kirchhoff prestack time migration is looking for reflector positions using delay time of wave energy reflection to get a better seismic section on the tilted reflector with less diffraction effect and have little effect arch (smiling effect) which generates seismic section that can represent the subsurface structure of the earth. Reflectivity cross section of generally more clearly observed after the migration process is carried out so that the resolution of cross section seismic better, which can be useful as the data is ready to be interpreted as the purposes of determination prospects of natural resources, especially regarding the hydrocarbon potential of the South Aru, West Papua waters. © Published under licence by IOP Publishing Ltd.
Physics Studies Program, Universitas Pendidikan Indonesia, Bandung, Indonesia; Center for Research and Development of Marine Geology, Bandung, Indonesia
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