RokDoc Reservoir Monitoring Add-on integrates 4D seismic data with flow simulation and rock physics models to establish quantitative links between production changes and seismic response, enabling data-driven reservoir delivery and infill well placement optimization.

Key Features

4D Seismic-to-Production Integration Linking production changes to seismic response

• Interactive framework for modeling effects of production on seismic response
• Quantitative connection between production-related subsurface changes and observed seismic amplitudes and timing
• Rock physics-based elastic property prediction from static and dynamic reservoir data
• Time-lapse seismic data integration with multi-vintage datasets
• Delta amplitude and delta pore pressure estimation from 4D seismic response
• Closing-the-loop workflow enabling seismic observations to update flow simulations

Geocellular Model Integration Unified Earth model framework

• Corner Point Grid (CPG) data loading and manipulation for reservoir monitoring workflows
• Integration of static geocellular models with dynamic flow simulation data
• Seamless 4D data handling across multiple time steps
• Automatic population of dynamic data from flow simulation runs
• Support for multiple simulation scenarios with dynamic data selection
• Depth-to-time conversion using horizons, velocity models, and trends

Dynamic Property Modeling Rock physics-based elastic property calculation

• Calculation of dynamic elastic properties directly from static and dynamic CPG data via calibrated rock physics models
• Reference model perturbation for changes in saturation and stress
• 3D Gassmann fluid substitution for production scenario modeling
• Automatic rock physics model updates when switching between simulation runs
• Multi-phase saturation tracking with support for multiple fluid types
• Undefined fluid type definitions for added flexibility

Synthetic Seismic Generation Time-lapse synthetic modeling

• Generation of time-lapse seismic models by transforming flow simulation into 3D/4D synthetics
• Post/pre-stack synthetic seismic calculation with time-step selection
• Time-shift modeling for production-induced subsurface deformation
• Delta synthetic attribute generation with noise modeling
• Interactive random noise modeling based on signal RMS and target SNR
• Spatially and angle-correlated noise fields with repeatable noise per time step

Interactive Multi-View Analysis Synchronized visualization and comparison

• Simultaneous definition of multiple views including arbitrary lines, map views, and 3D perspectives
• Synchronized view dates across all viewers for consistent time-step analysis
• Interactive difference calculation between time steps for 4D analysis
• Delta amplitude mapping from 4D seismic compared to delta saturation from flow simulation
• Sub-window comparison tools for in-depth analysis of seismic and dynamic data
• Resizable and movable comparison windows for flexible data examination

Recipe-Based Workflow Architecture Interactive processing chains

• Recipe-based 3D modeling and characterization workflows
• Automated recipe saving and updating as parameters change
• On-the-fly result updates reflecting parameter modifications
• Complex 4D analyses performed easily and interactively
• Short time-frame result generation for rapid decision-making

Data Conditioning Integration Advanced seismic processing within monitoring workflows

• Integration of seismic data conditioning and inversion capabilities
• Delta amplitude display before and after conditioning
• Time-lapse seismic inversion data integration
• Date-dependent acoustic impedance calculation
• Comprehensive QC of conditioned 4D seismic data

Reservoir Engineering Data Integration Multi-disciplinary data combination

• Integration of geological, geophysical, and reservoir engineering data
• Flow simulation data handling and manipulation
• Pressure data integration (MDT, RFT)
• Formation tops and marker integration
• Drilling event data incorporation
• Breakout and integrity data support

Export and Upscaling Capabilities Model export and population

• Export of interactive recipes and results
• Population of results into pre-existing CPG models
• Upscaling and averaging of 4D property models
• Integration with external geocellular models

3D Visualization Integration Advanced visualization tools

• Integrated with DGI Co-Viz Lite 3D viewer for enhanced visualization
• 3D geocellular model display in depth
• Lateral sampling onto seismic grid
• Fast volume slicing along age, horizons, and constant Z

Benefits

Optimal Reservoir Delivery Strategy Enhanced production optimization

• Extraction of maximum information from 4D seismic data
• Robust link between observed seismic changes and production effects
• Data-driven reservoir management decisions
• Realization of 4D seismic potential for reservoir delivery

Infill Well Placement Optimization Improved drilling decisions

• Guidance for siting of infill wells based on 4D seismic response
• Understanding of subsurface changes between existing wells
• Reduced drilling risk through seismic-guided well placement
• Identification of unswept reservoir volumes

Intra-Well History Matching Advanced reservoir characterization

• Potential for intra-well history matching through shared Earth model
• Quantitative comparison of predicted and observed seismic response
• Iterative model refinement based on 4D observations
• Improved reservoir simulation accuracy[1]

Enhanced Oil Recovery (IOR) Optimization Maximized production potential

• Support for IOR technology implementation and optimization
• Production and injection scenario modeling
• Monitoring of CCUS (Carbon Capture, Use, and Storage) operations
• Quantitative assessment of recovery strategy effectiveness

Integrated Multi-Disciplinary Workflows Unified data interpretation

• Combination of all relevant data types in shared Earth model
• Rock physics-based integration ensuring physical consistency
• Elimination of data silos between disciplines
• Improved interpretation confidence through integrated analysis

Rapid Decision Support Accelerated analysis and insights

• Interactive workflows enabling quick parameter testing
• Short time-frame result generation for time-sensitive decisions
• Real-time visualization of production impacts on seismic response
• Efficient handling of multiple simulation scenarios