Understanding Source, Genesis and Spatio-Temporal Distribution of CO2 off the coast of Sarawak, Offshore Malaysia : An Integrated Approach

Rahim Masoudi, Satyabrata Nayak,Alexander Tarang Patrick Panting, M Amri B M Diah,Jamari M Shah,Ts. Hijreen Bt Ismail, M Jamaal Hoesni,M Shafiq Razak, Nur Asyikin Ahmad

Day 3 Wed, October 19, 2022(2022)

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摘要
Abstract A regional CO2 concentration and risk maps have been generated for the Sarawak Basin using an integrated G&G and model-based approach. Detailed petroleum system modeling with number of scenarios encompassing critical parameter uncertainties is carried out. The extensive 3D petroleum system model carried out is critical in understanding generation, migration of hydrocarbon and CO2 as well as inter relation between the above two. This approach has significant advantage over traditional geostatistical method in extrapolation of observed data to predict CO2 concentration away from the control points. Apart from basin model detailed analysis of presence of CO2 in relation to temperature, tectonic features (faults lineaments) nature of the trap, pore pressure are carried out to identify and validate possible CO2 sources. This comprehensive study is the primary building block for generating a predictive model for CO2 distribution and possible adaptation in the prediction of other contaminants in the region.
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