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Applying seismic stratigraphy analysis for assessing upper Oligocene stratigraphic traps in Southeastern Cuu Long Basin

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The integration of seismic attribute analysis and well log interpretation has further defined the fan-shaped distribution of these traps. Thus, using various methods, the stratigraphic traps can be better revealed. Further studies, however, need to be carried out to fully evaluate hydrocarbon potential of these stratigraphic/ combination traps, and minimize risks in exploration drilling. | 48 Science and Technology Development Journal, vol 20, no.K4- 2017 Applying seismic stratigraphy analysis for assessing upper Oligocene stratigraphic traps in Southeastern Cuu Long Basin Chuc Nguyen Dinh, Tu Nguyen Van, Hung Nguyen Quang Cuong Bui Van, Thanh Truong Quoc, Xuan Tran Van Abstract—As oil and gas production has been going on over a few decades, conventional plays such as pre-Tertiary fractured basement highs and Cenozoic structural traps become more and more exhausted, and the remaining targets of the same type do not have sufficient reserves for development and production. Exploration activities in Cuu Long basin, therefore, are shifting towards more complicating types of plays which are stratigraphic traps and combination traps. Several researches were conducted in southeastern marginal slope and indicated the possibility of stratigraphic pinch-out traps with insufficient petroleum system and low hydrocarbon potential. In spite of many researches, there are still difficulties in defining the distribution and in evaluating hydrocarbon potential of these traps, so seismic stratigraphy analysis in Manuscript Received on August 7th, 2017. Manuscript Revised December 25th, 2017. The authors thank Vietnam National Oil and Gas Group (PetroVietnam), PetroVietnam Exploration Production Corporation (PVEP) for the support and permission to publish this work. Contributing technical assistance and comments for this manuscript from PetroVietnam Domestic Exploration Production Operating Company (PVEP POC) and Ho Chi Minh City University of Technology - VNU-HCM are greatly acknowledged and appreciated. This research is funded by Ho Chi Minh City University of Technology – VNU-HCM, under grant number T-ĐCDK-2016-114. Chuc Nguyen Dinh - PetroVietnam Domestic Exploration Production Operating Company Ltd (e-mail: ndchuc1977@gmail.com) Tu Nguyen Van - PetroVietnam Domestic Exploration Production Operating Company Ltd. Hung Nguyen Quang - PetroVietnam Domestic .