The Santos Ltd.-led joint venture in Northern Territory Beetaloo subbasin permit EP161 has flowed gas to surface following a fracture stimulation program in the Tanumbirni-2H and -3H horizontal wells.
The wells are being dewatered and undergoing clean-up activities.
Both wells were successfully fracture stimulated late 2021 across 11 and 10 stages, respectively, within the main mid-Velkerri B target shale formation.
Once stabilized flow conditions have been established, the JV plans a 30-day flow test with flow performance noted at regular intervals to provide information on steady-state production, the potential well deliverability, and estimated ultimate gas recovery.
Partner Tamboran Resources Ltd. said estimated steady production commerciality threshold for wells within the subbasin is 3 MMcfd per 1,000 m horizontal length.
In line with other unconventional gas basins, the expected horizontal sections in development wells in the Beetaloo are expected to be up to 3,000 m.
Tamboran has commissioned Netherland Sewell and Associates Inc. to provide a revised independent resource report. Publication is expected during the March quarter of 2022.
Santos has a 75% interest and operatorship of the Tanumbirini wells. Tamboran has 25%.
