Thien Ung is a producing conventional gas field located in shallow water in Vietnam and is operated by Vietsovpetro JVC. The field is located in block Block 04-3, with water depth of 393 feet.

Field participation details

The field is owned by Vietnam National Oil and Gas Group and Zarubezhneft.

Production from Thien Ung

The Thien Ung conventional gas field recovered 28.97% of its total recoverable reserves, with peak production in 2020. The peak production was approximately 4.01 thousand bpd of crude oil and condensate and 67 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2034. The field currently accounts for approximately 4% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 44.31 Mmboe, comprised of 11.05 Mmbbl of crude oil & condensate and 199.58 bcf of natural gas reserves. Thien Ung conventional gas field reserves accounts 0.02% of total remaining reserves of producing conventional gas fields globally.

About Vietsovpetro JVC

Vietsovpetro JVC (Vietsovpetro) is an oil and gas company that provides exploration and production of petroleum and natural gas. The company offers services such as logging and testing, oil and gas production; operation, maintenance and repair of offshore facilities; engineering, procurement, commissioning and installation of offshore platform; and drilling and well survey services. It also provides gas facility and management; marine transportation and diving services; operation and maintenance of compressor platform; oil spill prevention services; and port and logistics services, among others. Vietsovpetro is headquartered in Vung Tau, Lang Son, Vietnam.


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.