CMG Webinar: Advances in CO2 EOR Reservoir Modelling

1:13 - Agenda/Outline
1:44 - Why Enhanced Oil recovery processes (EOR)?
2:23 - Why CO2 Enhanced Oil Recovery?
3:10 - Miscible or Immiscible CO2 Enhanced Oil Recovery?
4:18 - Design steps of CO2 EOR
6:44 - What does Reservoir Modelling aim at?
6:55 - Steps to make a representative Model
8:16 - CO2 EOR Mechanisms
10:20 - Quick poll: Which of the following complex mechanisms are important and should be incorporated into reservoir simulation models?
10:58 - Additional Process Mechanisms
11:32 - Which tools to use to capture mechanisms? (GEM & STARS)
13:28 - PVT
14:18 - Miscibility mechanisms
15:43 - Solubility in water
16:47 - Asphaltene Precipitation
18:00 - Flocculation and deposition
23:54 - Geomechanics (Geo-mechanics)
26:03 - Advances in hybrid EOR Processes
27:04 - CO2 & Low salinity Waterflooding
31:45 - Foam Assisted CO2 Enhanced Oil Recovery
35:25 - Practical Workflows & CAse studies
37:37 - Case 1: Field-scale 5-spot reservoir Model
40:57 - Case 2: Field-scale model
41:31 - Multi-stage History Matching
41:55 - Optimization of WAG Process
42:42 - Physics included
44:38 - Capabilities for Carbon management
46:05 - Summary & Conclusions
48:22 - Question and Answer Session (Q&A's)

Carbon Dioxide Enhanced Oil Recovery (CO2 EOR) addresses the decades-long challenge of declining oil production while effectively reducing Greenhouse Gas Emissions (GHG). The strategic deployment of CO2 EOR projects requires an assessment of incremental oil recovery, including several economic factors and a performance model. Traditionally, performance models use the empirical and semi-analytical approaches which provide a quick assessment on a large scale; however, these models lack several important CO2 EOR mechanisms thereby reducing the accuracy of results. By applying advanced reservoir modelling, you will effectively model the CO2 EOR process and accurately predict incremental oil recovery.

Recent computer technology advances enable the application of dynamic modelling for the design of CO2 EOR processes or any other EOR technique. In fact, successful CO2 EOR implementation requires a simulation model that captures all the physics and important mechanisms, including multiphase solubility, miscible displacement, three-phase flow, and rock-fluid interactions, etc. A dynamic reservoir model will help you understand how the physics and/or mechanisms impact performance and provide the opportunity to run sensitivity, optimization, and uncertainty analysis to evaluate different operating strategies, such as well injection patterns and injection rates. By combining a dynamic reservoir model with CMOST, you will be able to select the optimum design based on your company’s field development strategies for CO2 EOR projects.

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