4DGeotechnics Pty Ltd (4DG) is an Engineering Geology, Geomorphology, and Geotechnical Engineering consultancy who provide investigation and design services to the mining, oil and gas, construction, and transport infrastructure industries.With offices in both Perth and Brisbane, 4DG provide their services across Australia, and within Papua New Guinea (PNG) and the Asia Pacific region.4DG have extensive experience working in remote locations including PNG, the Pilbara, and the Bowen, Galilee, and Surat Basins.