Complex sentence: 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.
Split into simpler sentences: Of other significance, Sprigg helped set up Santos (an acronym for "South Australia Northern Territory Oil Search"), which discovered the gas deposits in Cooper Basin, including the Moomba Gas Field. This supplies natural gas to South Australia, New South Wales and Canberra.