Block 05-1b/05-1c (Sao Vang and Dai Nguyet Gas Field)

  • Gas
  • Southeast Asia
Contract area (block) Project status Production volume* Venture company (established) Interest owned (*Operator) Contract type
Block 05-1b/05-1c In production
Natural gas
1.5 billion m3 per year (expected)
Crude oil and condensate
2.8 million bbl per year (expected)
INPEX Con Son, Ltd.
(Oct. 29, 2004)
INPEX Con Son, Ltd.
36.92%
*Idemitsu Gas Production (Vietnam) Co., Ltd.
43.08%
Vietnam Oil and gas Group (PetroVietnam)
20.0%
Production Sharing Agreement
(until Nov. 17, 2034)
*
Production on the basis of all fields

Project History

November 2004 INPEX acquires interests in blocks 05-1b/05-1c
November 2010 Discovery of gas condensate layer in the Dai Nguyet structure
August 2014 Discovery of gas condensate layer in the Sao Vang structure
February 2018 Final investment decision
November 2020 Commences production from the Sao Vang Gas Field
November 2022 Commences production from the Dai Nguyet Gas Field

In 2004 INPEX acquired interests in Blocks 05-1b and 05-1c, located 350 kilometers southeast of Ho Chi Minh City, Vietnam. In 2010, an exploration well was drilled in the Dai Nguyet (DN) structure leading to the discovery of gas and condensate accumulations. In 2014, another exploration well was drilled in the Sao Vang (SV) structure, which also led to the discovery of gas and condensate accumulations. The final investment decision was made in 2018, production commenced from the Sao Vang Gas Field in 2020, and production from the Dai Nguyet Gas Field also commenced in 2022.