Santos QNT Pty Ltd, a wholly owned subsidiary of Santos Ltd, spudded the Thungo North 1 oil exploration well in PL 51, located in the Cooper-Eromanga Basin, on 15 December 2019. The well was drilled to a total depth of 1,158 m and was plugged and abandoned on 19 December 2019 after encountering oil shows.  The well is the sixth to be drilled in PL 51 during 2019 and follows a five-well development and appraisal programme at the Dilkera oil field, located east southeast of the Thungo field. The Thungo field was discovered in 1986 and has estimated 2P recoverable reserves of 1.7 MMbbl of oil. The last well to be drilled at the field was Thrungo 11, drilled in 2007, which successfully encountered oil.  PL 51 covers an area of 55 sq km and was awarded on 28 June 1990. Santos Ltd holds 100% operated interest via subsidiaries Santos QNT Pty Ltd (92.23% plus operatorship) and Vamgas Pty Ltd (7.77%).
Thungo N. 1 expl. (Santos 100%) in PL 51, P&A oil shows. TD=1158m.