Santos Ltd spudded the Durham Downs West 1 exploration well in ATP 1189-P, located in the Cooper-Eromanga Basin, on 21 January 2020. The well was drilled to a total depth of 2,764 m before being plugged and abandoned, on 3 February 2020, having encountered gas shows.  The well was drilled to the west of the Durham Downs gas and condensate field, which was discovered in 1973 and has been producing since 1999.  ATP 1189-P, which covers an area of 3,452 sq km, was awarded on 1 January 2015. The well is being drilled in the Innamincka block, which is held 100% by Santos Ltd.
Durham Downs W.-1 expl. (Santos ) in TP 1189-P (Innamincka), P&A gas shows at TD=2764m.