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The AAPG/Datapages Combined Publications Database

Southeast Asia Petroleum Exploration Society (SEAPEX)

Abstract


Proceedings of the 2011 South East Asia Petroleum Exploration Society (SEAPEX) Conference, 2011
Pages 1-44

Phy Khanh Basis, offshore Vietnam; The Last True Frontier of the Vietnam East Sea Margin—An Insight into the Petroleum System

Kjell Bugge Johansen, Jaume Vendrell-Roc

Abstract

The Phu Khanh Basin offshore Vietnam is one of the last frontier areas along the margins of South China Sea area that also has large acreage opportunities. Structurally the area is very complex with four different structural trends. Large part of the study area has well developed Paleaogene rift basins related to lateral wrench movements along the East Vietnam Fault Zone, which are up to 2 -3 km thick. The seismic data has revealed a thick Miocene-Pliocene depocenter in central and southern party of area, where potential Early Miocene-Paleogene source will be thermally mature. The deepest part of the Paleogene syn-rift fill will be thermally mature in the northern part of the Phu Khanh Basin. The data has revealed a large number of structural and stratigraphic leads. Reservoirs are comprised of shallow marine/fluvial sands, carbonates, fractured basement and basin floor fan sands. The main risk are the quality of the Early-Mid Miocene clastic reservoir and carbonate reservoirs, the seal over parts of the area, the presence a valid source system and CO2.

Keywords: PK Basin • PK-09 • Bl 124 • Song Ba Trough • 118-CVX-1X • 120-CX-1X • 124-CMT-1X • Sam Thi Nai Lagoon


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