RockSI
Advanced rock physics
Uncover the links between reservoir or engineering properties and elastic properties with rock physics modeling. RockSI™ is a user-friendly software module that has a library of predefined rock physics models for sandstones (unconsolidated, cemented and clay-rich), carbonates, empirical models, and Bounds and Laws. Use these models to quickly and easily construct data-specific customized models.
Why Choose RockSI?
- Build customized petro-elastic models for clastic or carbonate reservoirs
- Fully understand the link between seismic and rock properties
- Reduce uncertainty in the interpretation of seismic attributes
- Untangle pressure and saturation effects for producing reservoirs
RockSI
RockSI is a powerful tool for exploring the link between rock properties and seismic data for quantitative interpretation and feasibility studies.
The RockSI workflow includes the creation of detailed Petro-Elastic Models (PEMs) and their subsequent calibration with well log data. User-defined PEMs can be used to calculate estimates of elastic properties such as effective bulk and shear moduli, and P-wave and S-wave velocities.
Probability Distribution Functions (PDFs) are specified for the PEM input variables and for uncertain PEM parameters. The input PDFs are sampled using Monte Carlo simulation, and the corresponding elastic properties and velocities are calculated by applying the PEM to each set of simulated inputs.
4D rock physics templates provide the link between dynamic reservoir properties and 4D seismic. Here the PEM-predicted changes in pressure and saturation are displayed as a graduated template in a 4D attribute cross-plot to aid the interpretation of time-lapse inversion results.
In exploration situations where well data are sparse, Monte Carlo simulation is particularly useful to generate training sets for supervised Bayesian classification of lithology with LithoSI. Statistical rock physics can also be used to drive time-lapse fluid classification workflows.
Perform rock physics modeling based on different facies, and interactively check modeled elastic logs by comparing synthetics with actual seismic within the application. You can then display the rock physics model on crossplot as a rock physics template.
Users can adjust variables such as the reservoir’s effective pressure to investigate changes in elastic properties through rock physics templates for various fault blocks or structures. RockSI’s advanced Monte Carlo simulation tool is useful for uncertainty analysis using the rock physics model as input.
Software Updates
Coming soon in GeoSoftware 11 – RockSI 11.0 will be integrated with HamsponRussell, Jason, and Powerlog for seemless usability between platforms. RockSI will be available on Windows and Linux from GeoSoftware launcher and Jason, and can also be started from HampsonRussell as in prior releases.
GeoSoftware Tips & Tricks
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Request your own no-cost evaluation version of RockSI.
