b'Geophysics in the SurveysNewsGeological Survey of Victoria: NewsNew Victorian Government Earthprospective resource being developedand unproduced gas fields in the Resources website are also investigated. Port Campbell Embayment of the onshore Otway Basin. A study has been The Victorian Department of JobsThe Geological Survey of Victoriasconducted of 18 local wells to derive Precincts and Regions Earth ResourcesOtway Basin Airborne Gravity Surveya holistic petrophysical model for the branch launched a contemporary,(Figure 1) is a key part of the program.principal reservoir, the Waarre Formation, user-friendly website in May 2019:It comprises 32 000 line km of Fullacross the area (Aldred et al., 2019). The www.earthresources.vic.gov.au. TheSpectrum Falcon gravity gradiometrydeterministic techniques used in the site has a topic-based navigationand magnetic data. The survey wasstudy highlighted the importance of gas function and an improved searchflown by CGG Aviation (Australia) Pty Ltdbearing shaly intervals when modelling tool providing easy access to priorityat 500 m line spacing and 150300 mreservoir performance.information, tasks and tools. terrain clearance between August 2018 and January 2019.Southeast Lachlan Crustal TransectVictorian Gas Program The final processed survey data and report is available from www. The Geological Survey of Victoria, The Victorian Gas Program is a suiteearthresources.vic.gov.au/projects/ Geological Survey of New South Wales, of geoscientific and environmentalvictorian-gas-program Geoscience Australia and AuScope programs assessing the potential forLimited have collaborated to acquire new further discoveries of conventional gasThe Victorian Gas Program is alsogeophysical data across the Southeast in the Otway and Gippsland basins.investigating opportunities forLachlan Crustal Transect in southeast The risks, benefits and impacts of aunderground gas storage in depletedAustralia (Figure 2).Figure 1.Map showing gravity gradiometry results (GDD, terrain correction density 1.8 g/cc) from the Otway Basin Airborne Gravity Survey.AUGUST 2019 PREVIEW 20'