The permit contains the West Walker anticline , which hosts Ordovician through to Neoproterozoic stratigraphy with prospective targets at multiple levels of over 30km in length. The significance of the geology is its proximity to the nearby Mereenie oil and gas field, which produce from the Ordovician Pacoota Sandstone unit.

Two wells have been drilled on the anticline, the first West Walker -1 tested the western end of the feature. The well was drilled on a sparse seismic rid in 1982 and flowed wet gas to surface at a rate of 3.5MMscf/d from the Pacoota Sandstone, the main producing reservoir in the Mereenie and Palm Valley Fields. A follow up well drilled, Tent Hill-1 (1984), was drilled to the southeast on the same anticline, oil was observed seeping from cores but the well was not tested. Reprocessing of the vintage seismic data shows that both wells were drilled off structure, West Walker-1 drilled downdip of the main closure and Tent Hill-1 did not penetrate the target sandstone within closure.

More recent technical work by Mosman and Geognostics, Australia has highlighted the potential for helium and hydrogen in addition to the hydrocarbon resources