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Past Events from Thursday, 16 February, 2023 › Parmelia HIlton

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Parmelia HIlton 14 Mill Street, Perth, WA, Australia

PESA WA August Technical Lunch: Flexible Solutions for both CCS Measurement, Monitoring, and Verification (MMV) and Offshore Windfarm Developments

Measurement, Monitoring, and Verification (MMV) are essential to Carbon Capture and Storage (CCS) projects. Precise CO2 emission measurements, ongoing project performance monitoring, and independent data verification provide stakeholder confidence in the CCS system's greenhouse gas reduction, safe operation, and prompt issue resolution. Likewise, developing ground models for offshore wind turbine placement demands a comprehensive approach that addresses various geotechnical, geophysical, regulatory, and stakeholder aspects. A common element should be that any ‘baseline’ geophysical platform is built to best practice standards for both CCS and Wind projects.

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Parmelia HIlton 14 Mill Street, Perth, WA, Australia

PESA WA June Technical lunch talk – Monitoring of the reservoir pressure & saturation changes using Extended Elastic Impedance from time lapse seismic data: Enfield Field

Presented by Sergey Shevchenko. This presentation demonstrates how the Extended Elastic Impedance (EEI) concept has been used as a method for reservoir monitoring, calculating changes in pressure and saturation in a producing reservoir by applying EEI to time-lapse seismic data. The method uses time-lapse seismic difference data rotated to specific EEI χ angles which are optimised for the changes expected in a given reservoir.

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Parmelia HIlton 14 Mill Street, Perth, WA, Australia

PESA WA April Technical lunch talk – Natural Hydrogen Systems in the Central Mid-West, USA

Presented by Jeff Goodall, HyTerra. This presentation demonstrates how the targeted methodology for natural hydrogen exploration has moved from surface circular features to a more expansive subsurface geological model which supports hydrogen generation on a regional scale in localized prospective areas.
The deliberate targeting of natural hydrogen resources in the Central Midwest of the USA is underway with a rapid ramp-up of exploration activity, including drilling and well testing by multiple companies. These data will help inform and refine our understanding of natural hydrogen system/s both in the Central Midwest and in other prospective locations globally.

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Parmelia HIlton 14 Mill Street, Perth, WA, Australia

PESA WA: Technical lunch talk – 16 February

Presented by Julie Cass, GSWA. The Ordovician interval cored in Olympic 1 is one of the best-documented cored intervals of the Nambeet Formation in the Canning Basin. Consequently, the Geological Survey of Western Australia (GSWA) entered into a collaborative core analysis agreement with the EP473 Joint Venture to acquire a suite of core plugs for stratigraphic and petroleum system testing and CO2 geosequestration evaluation.

This presentation offers an integrated interpretation of petrophysical and petrographic data acquired at Olympic 1, assessing reservoir quality in the Ordovician and the impact of acoustic properties on seismic prospecting at the Meda unconformity. Volume of clay, porosity and saturation have been calculated from wireline logs to assist in the petrophysical evaluation and for comparison with x-ray diffraction, routine and special core analysis measurements.

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