Otway Energy will start testing Nangwarry-1 well in PEL 155 onshore Otway basin in South Australia around mid-March, its partner in the project Vintage Energy said on March 4.  

The Superior Energy rig will arrive on location at Nangwarry-1 on March 10, after which the well and equipment will be set up for the test. “It is anticipated that testing of the well will take approximately three to four weeks and, should the test be successful, be a material value-adding asset to Vintage over what could potentially be a 50-year period,” Vintage managing director Neil Gibbins said. 

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Covid-19 related delays were experienced in mobilising equipment and the rig across the border between Victoria and South Australia, however, these issues have now been resolved, the company said. 

The test will be completed once a desired stabilised flowrate and a volumetric estimate of the recoverable CO2 is obtained. Gross recoverable estimates for Nangwarry-1 CO2 are: low of 7.8bn ft³ (3.9bn ft³ net), best of 25.1bn ft³ (12.6bn ft³ net), high of 82.1bn ft³ (41.1bn ft³ net).  

Meanwhile, Vintage said it on track to start drilling Vali-2 well in Queensland's Cooper basin in April this year. Vali-2 will be followed by Odin-1. A rig contract has been signed with Schlumberger to use Rig-184 to drill Vali-2 and Odin-1, with an option to drill a further ATP2021 Vali well. It is expected that Vali-2 will take about three weeks to reach total depth. Once drilled, the well will be secured and the rig moved to the Odin-1 location in South Australia. Vintage, Metgasco and Bridgeport are partners in the Vali project.