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    Oz Strike Updates on Wagina Gas Discovery


Wagina gas discovery was announced last month.

by: Shardul Sharma

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Oz Strike Updates on Wagina Gas Discovery

Australian Strike Energy August 12 announced an upgraded view of the Wagina sandstone conventional gas discovery at West Erregulla-2, which was announced early last month.

“Further analysis of the logs has indicated an improved net reservoir and implies a discovery analogous to the Beharra Springs gas fields which are located only 9-km from EP469 (West Erregulla),” it said. Beharra Springs and its associated fields were discovered during the 1990s and early 2000s at ranging from 3,270 metres to 3,870 metres. The Beharra fields remain onstream and continue to produce sales gas.

According to Strike, further interpretation of the wireline logs has been undertaken using proven regional cut-offs in the petrophysical analysis, as taken from fields such as Beharra Springs. This has increased the interpreted net reservoir to at least 10.2 metres across the Wagina sandstone with porosities up to 14%, it added.

Since the discovery's announcement, additional gas bearing Wagina sands have been encountered in the production hole section before reaching the Carynginia shale, Strike said. “Subject to logging, these are expected to add a further 5 metres to the previously advised gross gas column, bringing it to 79 metres in total,” the company said.

The West Erregulla-2 campaign is taking place within EP469 in the North Perth Basin in Western Australia. Strike is the operator and the holder of a 50% joint venture interest, and Warrego Energy is the holder of the other 50%.