- Testing halted with surging of gas and fluids production ramping-up
- Initial well clean-up phase completed
- Degree of productivity bodes well for well’s potential
- Gas and condensate samples collected for composition analysis
Elixir Energy (ASX:EXR) has elected to shut in the Lorelle-3H well as it moves to deal with unstable flow and surges in different stimulation zones in the high-impact appraisal well within Queensland’s Taroom Trough.
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The company is preparing to run 2-3/8” tubing string to pacify the surging and allow the well to be opened up past this choke setting and move into a uniform single phase flow.
The well shut in will also allow further soaking of the stimulation fluid away from the well improving near well bore permeability, which may further enhance the ultimate productivity of the well.
Post the running of this completion, production testing will recommence and the well will be opened up looking to achieve its maximum gas and condensate production rate.
Elixir has reached another milestone as it moves closer to bringing Lorelle closer to initial production.
The clean-up phase for the well is largely completed having produced back 32% of the injected stimulation fluids, which the company says is high when compared to offset data and indicating good connectivity with the reservoir.
During this phase the well has been in a sustained dual phase production, producing back both stimulation fluids and gas/condensate,
Notably, zero sand/proppant production has been observed which indicates the fracture stimulation network remains in place.
Field measurements of the gas production have confirmed low impurity gas with one per cent or less of CO2 and zero per cent H2S. Gas and condensate samples have been collected and sent to the laboratory for compositional analysis.
The original Lorelle-3 well was drilled to 3,580m total vertical depth and collected core and logs in an expanded evaluation program across the various Permian sandstone reservoirs within the Taroom Trough. The petrophysical results were above expectations and demonstrate multiple thick gas and gas-condensate bearing reservoirs as viable appraisal targets amongst the 148m of measured net gas- condensate pay.
MD, Stuart Nicholls, said drilling L3 well was a watershed moment for the Taroom Trough demonstrating both a northern extension of Shell’s primary area of operations and drilling/testing results within the Tinowon ‘Dunk’ Sands.
L3H is the first horizontal well drilled and to be tested outside of the Shell acreage on the upper western flank of the Taroom Trough with the results to date validating the value, quality and materiality of Elixir’s substantial Taroom Trough acreage position.
EXR was down 17.5% to 9.9c. Mkt cap $224.2M.
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