Empire O&G Sees Significant Upside Gas Potential in 2 Perth Basin Permits

Empire Oil and Gas NL disclosed Tuesday that on behalf of the EP 368 and EP 426 Joint Venture, it has interpreted the Lockyer Deep and North Erregulla Deep prospects in the Perth Basin, Western Australia to have significant upside gas potential due to its latest high case interpretation that joins the two prospects into one large prospect for the high case prospective resource estimates. This follows the reprocessing of vintage seismic data in EP 368 and EP 426 and the interpretation of all existing data in these permits.  

This high case structural closure effectively combines both prospects into one continuous closure covering a combined area of 15.3 square miles (39.6 square kilometers). This high case estimate indicates potential for a large continuous prospect which remains undrilled at the Kingia/High Cliff sandstone level, in proximity to the recent Waitsia discovery made in adjacent acreage to the west by AWE. The Waitsia discovery has been hailed as one of the potentially largest gas discoveries in the basin since the 1960’s.  

It should be noted that Lockyer Deep and North Erregulla Deep are still interpreted as separate closures at the low and mid case cases and they are only combined as one prospect for the high case estimates. The prospective resource estimates for Lockyer Deep and North Erregulla Deep have not changed from those previously reported by Empire, apart for the previous high case estimates for both prospects now being combined.  

Empire has also completed the interpretation of the Black Swan Airborne geophysical survey received at the end of 2015 (refer to ASX Announcement released Jan. 21). Structural highs and leads have been interpreted in EP 389, EP 432 and EP 454, and Empire now plans to proceed to acquire infill 2D seismic to mature the identified leads to prospect status for future drilling.  

Following the successful Red Gully North-1 drilling program in late 2016, Empire intends to drill the Lockyer Deep well in 2016/17, subject to securing funding.  

Empire CEO Ken Aitken said "the Locker Deep and North Erregulla Deep prospects and their possible connection into one large structural closure present the company with an exciting significant gas opportunity adjacent to the large Waitsia gas discovery and we are looking forward to seeing the prospect drilled as soon as funding was in place. This exploration prospect is significant for two reasons - if the structural closure is continuous between the Lockyer Deep and North Erregulla, then there is a reduction in the overall exploration risk and cost to explore the trend as only one exploration well will be required and secondly; the large potential size of the prospective resource. It is seldom that a company gets the chance to target such a large structural closure in a quality, producing onshore Australian basin that is adjacent to a new, large gas discovery (Waitsia)."

EP 368

  • Empire Oil company (WA) Limited (Operator) - 80.00 percent
  • Westranch Holdings Pty Ltd (Norwest Energy NL) - 20.00 percent

EP 426

  • Empire Oil company (WA) Limited (Operator) - 77.78 percent
  • Westranch Holdings Pty Ltd (Norwest Energy NL) - 22.22 percent


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