Sao Vang-Dai Nguyet Project is a producing conventional gas field located in shallow water in Vietnam and is operated by Idemitsu Gas Production (Vietnam). The field is located in block Block 05-1b and Block 05-1c, with water depth of 394 feet.

Field participation details

The field is owned by Idemitsu Kosan, Inpex and Vietnam National Oil and Gas Group.

Production from Sao Vang-Dai Nguyet Project

The Sao Vang-Dai Nguyet Project conventional gas field recovered 7.50% of its total recoverable reserves, with peak production expected in 2022. The peak production was approximately 4.01 thousand bpd of crude oil and condensate and 112 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2043. The field currently accounts for approximately 5% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 101.4 Mmboe, comprised of 19.37 Mmbbl of crude oil & condensate and 492.23 bcf of natural gas reserves. Sao Vang-Dai Nguyet Project conventional gas field reserves accounts 0.03% of total remaining reserves of producing conventional gas fields globally.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.