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Carbon Capture, Utilization & Sequestration Carbon Capture, Util ...

Carbon Capture, Utilization & Sequestration

Accelerate the deployment of CCUS with a unique range of geoscience expertise

We offer integrated geoscience solutions to identify and de-risk storage sites and optimize their development for safe and effective injection and storage of CO₂. Our wide expertise in geological, geophysical, reservoir modeling, and geomechanical sciences and satellite mapping technology provides insight throughout the CCS cycle.

De-risk CCS Subsurface Development

Make better informed decisions during site development and active sequestration with our geoscience expertise that helps you screen for the best storage sites and understand subsurface risk and uncertainty.

Regional Screening

We provide an integrated approach to screening and validation of prospective CO₂ subsurface storage sites. Whether it is assessing mature oil and gas fields for combined EOR and CO₂ storage, or characterizing deep saline aquifers for storage, our team can provide an assessment based on proven global geological knowledge and reservoir engineering expertise.

Storage Capacity

Evaluation of CO₂ storage capacity uses reservoir characterization workflows to construct a reservoir model in order to understand the behavior, and associated uncertainty, of the rock-fluid interactions involving CO₂ during injection and storage. This helps to assess operational scenarios and the cap rock properties. CGG has a range of in-house specialists who provide expertise in geophysics, sedimentology, stratigraphy, petrophysics, geomodeling, geochemistry, reservoir engineering and geomechanics to build state-of-the-art reservoir models:

Advanced seismic reservoir characterization including inversion, AVO and attribute analysis, and pore pressure prediction
Petrophysical workflows and rock physics modeling focusing on CO₂ rock-fluid interaction
Geological workflows for the integrated interpretation of seismic, log and rock samples
Fracture characterization and modeling
Trap integrity and fault seal analysis
Integrated geological static reservoir modeling including fault systems – built for dynamic flow simulation

Storage Management

Dynamic reservoir modeling provides valuable insight into the displacement process from free to residual CO₂ trapping during CCS operations. The CGG Reservoir Sciences team draws on worldwide experience with the full range of potential reservoir types and challenges. They utilize tailored workflows and a proprietary coupled geomechanical and dynamic reservoir simulator to generate and analyze a range of CO₂ injection development scenarios. This process is essential for meaningful uncertainty and risk analysis to optimally assess CO₂ strategies for a given storage site:

Modeling of CO₂ displacement and injection plumes
Injection rate analysis
Optimization of CO₂ injection development plans
Full understanding of sub-surface uncertainty and associated risk

Site Integrity

Subsurface site integrity is essential for safe and responsible storage management. CGG’s geomechanical modeling expertise and proprietary GEOSIM® coupled reservoir simulator provides accurate assessments of CO₂ storage site containment risks such a cap rock failure, fault reactivation and surface deformation.

Building on the static and dynamic reservoir modeling results, the 3D geomechanical modeling can incorporate effects like fault reactivation and fracture development, heave, and subsidence at the surface due to CO₂ injection. These results can be calibrated to ground motion derived from satellite InSAR. Our comprehensive geomechanical modeling capabilities include:

3D overburden modeling
1D/3D Pore Pressure Prediction/Mechanical Earth Modeling
Compaction/subsidence and heave modeling
Thermo- and poro-elasticity effects
Caprock integrity, fault stability and MOP determination
Dynamic tensile and shear fracture modeling
Wellbore stability analysis

Monitoring Solutions

Monitoring of the injected CO₂ plume in the subsurface is essential to understand CO₂ migration, accumulation and leakage. CGG has proven expertise with monitoring solutions for onshore and offshore environments, including 4D seismic, gravimetrics, electromagnetics and downhole measuring equipment. The integrated interpretation of monitoring data provides insight into CO₂ plume behavior and can be used to refine reservoir and geomechanical models. Our monitoring services include:

Recognized 4D seismic imaging and reservoir characterization expertise, including recent CCS experience
4D multi-physics modeling and interpretation
Extensive InSAR experience for wide-area high-accuracy ground deformation monitoring
Integrated geological/fluid imaging
Unique capability to integrate data from a range of monitoring techniques into geomechanical models to reduce uncertainty
A range of leading Sercel seismic equipment and downhole gauges for monitoring studies

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