SWH Project LCCC Meeting

1 6/24/20161 SWH Project LCCC MeetingHarveyMay 31, 2016 Sandeep Sharma and Louise StelfoxLCCC Meeting31 May 2016 Sandeep Sharma and Louise StelfoxOverview Context and Overview Carbon-dioxide Capture and Storage The SW Hub Project Concept Modelling Workflows SW Hub Project Status Model Results Next Steps6/24/20162 Concept : Carbon Capture and StorageTransportation SystemsCapture ProcessesStorage ReservoirsWhat are we trying to establish for Storage reservoirs? Capacity : How much? Injectivity: At what rate? Containment : Can we keep it in our target reservoir?EShAGCO =2 Areal extendThicknessPorosityCO2 EfficiencysolubilityS6/24/201632010 : SOUTH WEST HUB Project CONCEPTP rimary Migrationand Immobilisation of CO2No CO2 movement outside the YalgorupWonnerupMemberYalgorupMemberAsse ssment Approach > Performance FactorsData Collection & QCStatic Modelling& Dynamic ModelingCapacityContainmentGeomechanics Fault Stability Sustainable fluid pressureWell integrity Zonal isolationHydrodynamics Formation water flow systemsInjectivity Reservoir quality Geometry Connectivity 3D Cellular Geological Model Pore Volume Connectivity Geophysics / Geology Petrophysics/ Mineralogy Geomechanics Fluid Properties Well IntegrityFrom CO2 CRC Latrobe Valley StudySeal potential.

2 Migration pathways and trapping mechanisms6/24/20164 New Data Acquisition with Extensive Community Consultation2011 2D Seismic2012-15 Harvey 1-4 Wells2014 3D SeismicModeling WorkflowSurface imaging Mapping, SeismicData inputInformation managementGIS databaseLog and Core interpretationWell correlationWell based propertiesUncertainty analysisUpscalingReservoir and Aquifer property populationBuild the Framework Facies modellingFault modelling3D flow simulationGeochemistryGeomechanics3D Geological model3D Property model of the Reservoir and the Overburden6/24/20165 Static Model what s required? Geophysics formation tops and faulting Geology lithology (sand, silt, mud, clay) Petrophysics physical and chemical rock properties Core analysis mineralogy, porosity, permeability to brine and to carbon dioxide Geomechanics rock s response to pressure Fluid properties chemistry, chemical interactionsWireline(geophysical) logging6/24/20166 Wireline(geophysical) loggingSandstoneSiltstonesilty sandstoneAnalogue depositional environmentBrahmaputra, IndiaEpisodic pulses of flow and sedimentBraided fluvial system6/24/20167 Analogue Hawkesbury Sandstone, NSWS tatic modelGeophysics, geology, petrogeophysicsdepositional analogue construct 3D static modelNext?

3 Populate the modelRecapCore analysis data rock properties6/24/20168 Core analysis: selecting and cutting plugsCore analysesThese rock property data are used to populate the:1. static and 2. dynamic models6/24/20169 Harvey-2, -3 and -4, summarised relative clay mineralogy, as determined by XRDB affles and reservoirHarvey 3 WonnerupMember 1,519 mSEM 100 mSEM 10 m Harvey 3 YalgorupMember 1,354 m6/24/201610 WonnerupSabinaYalgorupF10 FaultWestern Fault Greater AOI 25x25=214mil250x250= GeoGrid @ 25x25x1m= ~166 mil cellsArea includes all 4 wells. Sector Model @ 25x25x1m= ~ mil cells(500mx500m) Sector Model Area Vs Cell SizeAim for ~1 mil Faults & No : 250x250mLayers : 1m Yalgorup4m WonnerupCells.

4 SabinaTop Wonnerup F10 FaultH-2H-4H-3H-16/24/201611 Reference Case Injection Performance over 30 Years01/2001/2201/2401/2601/2801/3001/32 01/3401/3601/3801/4001/4201/4401/4601/48 01/5001/52050100150200250300350400450500 550600650700750800CO2 Injection Rate (tonnes/day)01MM2MM3MM4MM5MM6MM7MM8 MMCumulative CO2 Injected (tonnes) CO2 Injection RateCumulative CO2 InjectedMaximum gas injection rate of ~700 tonnes/dayProbability Distribution of Injectivity after 30 YearsSingle WellSampleJohnson SBTonnes of CO2 After 30 million tonnes of CO2P90= million tonnes of CO2P10= million tonnes of CO2 Reference Case6/24/201612 Next Steps Use Static Model to develop dynamic models Simulate cases of CO2 injection and movement using wells Generate plume maps as per the example below (from 2012 model before the 3D seismic)EXAMPLE ONLY Next stage of data acquisition will depend on results and geological information gaps to be address