ʌv ˈʌðɚ sɪɡnˈɪfɪkəns, spɹˈɪɡ hˈɛlpt ɪstˈæblɪʃ sˈæntoʊz ɐn ˈækɹənˌɪm fɔːɹ sˈaʊθ ɔːstɹˈeɪliə nˈɔːɹðɚn tˈɛɹɪtˌoːɹi ˈɔɪl sˈɜːtʃ, wˌɪtʃ dɪskˈʌvɚd ɡˈæs dᵻpˈɑːzɪts ɪn kˈuːpɚ bˈeɪsən, ɪŋklˈuːdɪŋ ðə mˈuːmbə ɡˈæs fˈiːld, wˌɪtʃ səplˈaɪz nˈætʃɚɹəl ɡˈæs tə sˈaʊθ ɔːstɹˈeɪliə, nˈuː sˈaʊθ wˈeɪlz ænd kˈænbɚɹə.
Of other significance, Sprigg helped establish Santos (an acronym for South Australia Northern Territory Oil Search), which discovered gas deposits in Cooper Basin, including the Moomba Gas Field, which supplies natural gas to South Australia, New South Wales and Canberra.