Non-structural traps in the post-rift succession of Phu Khanh Basin: Classification and Depositional History
- Authors: Nguyen Thu Huyen *, Tong Duy Cuong, Nguyen Trung Hieu
Affiliations:
Vietnam Petroleum Institute, Vietnam
- *Corresponding:This email address is being protected from spambots. You need JavaScript enabled to view it.
- Keywords: Nonstructural trap, Post-rift, Phu Khanh Basin, Carbonates, Fans, Turbidites
- Received: 1st-Feb-2019
- Revised: 15th-May-2019
- Accepted: 30th-June-2019
- Online: 30th-June-2019
- Section: Oil and Gas
Abstract:
The Phu Khanh basin is a rifted continental margin basin that was formed by Paleogene rifting and subsequent post-rift subsidence. The basin is situated along the narrowest part of the Bien Dong Sea’s shelf and is characterized by a water depth ranging from a few tens of meters to abyssal depths towards the east. Oil and gas discovered from 2 wells 124- CMT-1X and 123-TH-1X are evident for approving petroleum system of the Phu Khanh basin. Besides structural play, non-structural play is also a potential reservoir. The Carbonates, Fans, Turbidities in the post-rift succession are prospective non-structural play. This play was formed in subsidence and sagging phase during the Miocene - Pliocene period as a resulted of increased sediment accumulation rates and transgression in the Phu Khanh Basin
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