We think that pictures better than words effectively and credibly demonstrate capabilities and completed projects. You may detect that these images also convey our love of the environment, people and history in the places we work.
Please also view a lot more pictures available in Recent Projects (last 5 years) and Gallery.
Groundwater supply projects
Groundwater supply assessment and exploration for a potential new cobalt/copper mine in north-western QLD. This has involved design and implementation of an exploratory drilling programme for a suitable high capacity groundwater resource for the mine and ore processing facility within an expansive mine exploration tenement in a remote area and relatively unknown hydrogeological setting. This was followed by implementation of a groundwater supply bore field and monitoring network, and completion of extended groundwater bore pumping tests, analysis and groundwater modelling. – Aeon Metals
Hydrogeological screening assessment of multiple potential sites throughout Australia for proposed pumped hydro-electric power generation schemes for the supply of renewable energy into the Australian energy market. Involved assessment of underground water supply quantity and quality as well as regulatory constraints – Altura Group
Major groundwater supply assessment for a new cattle feedlot in the Southern Surat Basin, QLD. Included comprehensive desk top assessment, pumping tests on existing and new bores, groundwater modelling, and successful drilling of a new deep (1200m+) groundwater supply bore, exceeding all expectation for yield and quality. – Fucheng Woodlands
Hydrogeological support during the design, successful drilling and logging of a new groundwater supply bore for the town of Dalby on the Darling Downs, QLD to 970m depth into the Precipice Sandstone aquifer. A second bore into the Hutton Sandstone aquifer has been assessed and is planned to be drilled.
This is one of numerous township groundwater supply projects completed for Western Downs and Toowoomba Regional Councils.
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Groundwater impact assessments
Earth Search partnered with Innovative Groundwater Solutions to conduct a groundwater age study of the regional sand mass aquifer at Minjerribah (North Stradbroke) Island, QLD. This included a comprehensive desk top hydrogeological review, development of an island-wide sampling plan and the implementation of a specialised assessment and sampling project. This involved the use of isotopes and other groundwater flow tracers which refined the understanding of groundwater flow and aquifer conceptualisation to support Seqwater’s water security risk assessment process across their three town groundwater supply bore fields and the central bore field (15 bores) which provides a supply of exceptional quality water into the Brisbane City water grid.
This project was expanded into bore field modelling for the development of bore head protection zones to assist with land use planning and management on the island through a period involving the closure of sand mining operations and transition of land management to the first nations Quandamooka people. – Seqwater.
Lead Hydrogeologist on an assessment of impacts from historical use of firefighting foam chemicals (PFAS, etc) at a large Department of Defence base in North QLD. Responsibilities included management of a large groundwater monitoring bore sonic drilling and sampling campaign and monitoring of private groundwater supply bores. – Wood Group and Department of Defence.
Geological and hydrogeological assessment of potential impacts from Underground Coal Gasification (UCG) operations overlapping with a Coal Seam Gas (CSG) project in the Surat Basin, QLD. Included development of a detailed hydrogeological conceptual model, and design and management of a drilling campaign for installation and sampling of over 40 groundwater and gas monitoring bores. – Origin Energy.
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GDE assessments
Designed and implemented an assessment programme investigating the potential impacts of CSG development on Groundwater Dependent Ecosystems (GDEs) within the Great Artesian Basin (GAB). Involved an assessment approach that integrated ecological and hydrogeological methods and “lines of evidence” to determine tree rooting depths and groundwater uptake. The study was unique, innovative, and believed to be the first of it’s kind. Ned Hamer (Principal Hydrogeologist) co-authored a scientific paper on this study which was accepted and published in the leading international hydrogeology journal “Hydrogeology”. – Arrow Energy (Shell).
Click on the link below to the journal paper.
Assessment of a groundwater-dependent ecosystem (GDE) preserved within a housing estate on the outskirts of Brisbane. During a baseline assessment completed by Earth Search prior to the development occurring, groundwater within the underlying Marburg Sandstone aquifer was found to be supporting a remnant forest comprising largely of threatened Melaleuca irbyana.
In response to a Commonwealth Government Environment Protection and Biodiversity Conservation (EPBC) Act trigger, a management plan required the preservation and integration of the forest into the housing development, and implementation of a groundwater, surface water and ecological health monitoring programme completed by Earth Search which has continued through the housing development stages and three years beyond so far. – AV Jennings.
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Earth Search 