Stag is a producing heavy oil field located in shallow water in Australia and is operated by Jadestone Energy (Australia). The field is located in block WA-209-P and WA-15-L, with water depth of 157 feet.

An expansion project is associated with the Stag, namely Stag 50H Infill Project. This project is currently in the construction stage, expected to start in 2022.

Field participation details

The field is owned by Jadestone Energy.

Production from Stag

The Stag heavy oil field recovered 89.70% of its total recoverable reserves, with peak production in 2000. The peak production was approximately 23.58 thousand bpd of crude oil and condensate and 5 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2048.

Remaining recoverable reserves

The field is expected to recover 8.26 Mmboe, comprised of 8.26 Mmbbl of crude oil & condensate. Stag heavy oil field reserves accounts 0.02% of total remaining reserves of producing heavy oil fields globally.

About Jadestone Energy (Australia)

Mitra Energy (Australia) Pty., Ltd. is a subsidiary of Mitra Energy Limited,an oil and gas exploration and production company.


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.