Dai Hung (Great (Big) Bear) is a producing conventional oil field located in shallow water in Vietnam and is operated by PetroVietnam Exploration Production. According to GlobalData, who tracks more than 34,000 active and developing oil and gas fields worldwide, the field is located in block Block 05-1a, with water depth of 361 feet. Buy the profile here.

An expansion project is associated with the Dai Hung (Great (Big) Bear), namely the Dai Hung Phase 3. This project is currently in the construction stage.

Field participation details

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

Production from Dai Hung (Great (Big) Bear)

The Dai Hung (Great (Big) Bear) conventional oil field recovered 69.00% of its total recoverable reserves, with peak production in 2011. The peak production was approximately 11.60 thousand bpd of crude oil and condensate. Based on economic assumptions, production will continue until the field reaches its economic limit in 2034. The field currently accounts for approximately 3% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 29.76 Mmboe, comprised of 29.76 Mmbbl of crude oil & condensate. Dai Hung (Great (Big) Bear) conventional oil field reserves accounts 0.01% of total remaining reserves of producing conventional oil fields globally.

Contractors involved in the Dai Hung (Great (Big) Bear) conventional oil field

Some of the key contractors involved in the Dai Hung (Great (Big) Bear) project as follows.

Main EPC: Zarubezhneft

Other Contractors: Vietnam National Oil and Gas Group

About PetroVietnam Exploration Production

PetroVietnam Exploration Production Corp (PVEP) is an upstream subsidiary of Vietnam National Oil and Gas Group. The company operates and develops petroleum projects in Vietnam and other countries. PVEP has an interest in oil fields in major sedimentary basins of Vietnam, including Song Hong, Phu Khanh, Cuu Long, Nam Con Son and Malay Tho Chu. The company’s major assets include Dai Hung field, Block 05-1(a), Song Doc field, and Block 46-02, and jointly operate others. Internationally, it has exploration and production projects in Asia, the Middle East, Africa, Caribbean, and South America. The company participates in all petroleum projects in Vietnam on behalf of its parent. PVEP is headquartered in Hanoi, Vietnam.

For more details on the Dai Hung (Great (Big) Bear) Conventional Oil Field, buy the profile here.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Oil & Gas Intelligence Center, which provides detailed profiles of 34,000+ oil and gas fields, 400,000+ exploration blocks, 1,100+ LNG terminals, 3,400+ gas processing plants, 5,000+ storage terminals, and 8,000+ pipelines, 1,400+ refineries and 13,000+ petrochemical plants worldwide.