Norwest Completes Test at Arrowsmith-2 Well in EP413 in Perth Basin

Norwest Energy NL, an Australian oil and gas company, reported that field activities at the Arrowsmith-2 well in exploration permit (EP) 413 in the onshore Perth Basin, Western Australia comprising the 14-day well test and production logging program, have been successfully concluded.

The analysis and interpretation of the dataset from this final test work to evaluate the contribution of gas and fluids from each of the perforated target intervals is currently in progress.

During the well test and production logging program, gas production was identified by the production logging tool (PLT) at all zones in the commingled environment with collected data indicating percentage contributions from each of the individual target intervals.

The next phase, which has already commenced, is analysing and interpreting the results from the PLT program to ascertain the gas flow rates from each of the target intervals.

The analysis is expected to take several weeks to conclude, the results of which will be crucial in determining the optimal zone and target interval in planning to drill the first horizontal well, Arrowsmith-3.

Four intervals were tested with the PLT – the High Cliff Sandstone, the Irwin River Coals Measures and the Carynginia Formation (two zones) – all of which Norwest expects to present varying levels of opportunity.

Norwest Energy CEO Peter Munachen said it was pleasing that the final phase of well testing was successfully completed.

“The final field operations at Arrowsmith-2 went very smoothly and we are now in the process of analysing the results,” Munachen said.

“After we finalize these results, the Arrowsmith joint venture partners will commence the process of determining the interval that has the greatest potential to deliver an optimal result from the planned Arrowsmith-3 horizontal well.

“These are all important steps as we progress towards the pathway to commercialization at the Arrowsmith Project.”

EP413 Joint Venture

  • Norwest Energy: 27.945 percent (Operator)
  • AWE Limited: 44.252 percent (via subsidiaries)
  • Bharat PetroResources Ltd: 27.803 percent


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