RokDoc Seismic Data Conditioning & Inversion is a coupled recipe-based platform enabling interactive optimization of seismic data and rapid execution of multiple inversion techniques with integrated quality control and well-tie validation.

Key Features

Recipe-Based Workflow Architecture Interactive chained processing workflows

• Coupled recipe-based approach linking seismic data conditioning and inversion into single interactive chains
• Multiple conditioning steps chained together with results computed on-the-fly and automatically fed into subsequent steps
• Flexible workflow definition allowing any number of conditioning and inversion steps to be added to interactive lists
• Reorganizable workflow steps enabling rapid parameter testing and iteration
• Interactive recipe editing and updating at any time during processing
• Outputs from any workflow step stored and calculated on-the-fly for rapid access

Seismic Data Conditioning Tools Comprehensive data optimization

• Advanced Spectral Time Correction (STC) tools for multiple seismic conversion techniques
• Pre-stack trace conditioning including spectral balance, time alignment, and scaling
• Multi-trace 3D/4D post/pre-stack time shift estimation for trace alignment optimization
• Frequency slice filtering for spectral analysis and noise reduction
• Structure-oriented filtering for enhanced signal preservation
• Smoothing options for time shift refinement before application
• Pilot trace window specification with customizable length and time gate parameters

Colored Inversion Technology Robust relative and absolute impedance generation

• Convolutional inversion technique generating relative impedance estimates from seismic traces
• Spectral shaping operator design with minus 90-degree phase rotation applied to seismic data
• Spectral shaping performed with reference to specified frequency ranges and earth impedance spectrum
• Optional low-frequency blending with relative impedance results to generate absolute impedances
• Flexible low-frequency source selection from interpolated well data or user-preferred sources
• Robust technique for generating both relative and absolute attributes from single stack data

Advanced Seismic Inversion Methods Multiple inversion approaches

• Partial angle stack seismic inversion based on objective function optimization
• Wavelet-based connection between reflectivities and seismic data
• Elastic impedance inversion from pre-stack seismic data
• Integration with Ji-Fi (Joint Impedance and Facies Inversion) technology for simultaneous facies and elastic property estimation
• Synthetic seismic generation from inversion results for validation

Comprehensive Quality Control Integrated validation and assessment tools

• Rapid QC of data along any line or as map extractions
• Gather QC view providing visual assessment of conditioning results
• Angle stack trace display before and after SDC processing for direct comparison
• Comparison capabilities between multiple lines and processing scenarios
• AVO attribute extraction at specified horizons for amplitude response assessment
• Pre and post-conditioning AVO response comparison for impact evaluation
• Inversion synthetic and residual calculation for model validation
• Well-tie validation at well locations to assess match between seismic and well-derived properties

Attribute Extraction and Analysis Quantitative interpretation support

• Variety of pre and post-stack attributes calculable from conditioning workflows
• AVO response extraction along any seismic interpretation
• Recipe output selection including SDC workflow results for attribute calculation
• Dynamic log generation automatically updating to reflect recipe changes
• Porosity prediction and other petrophysical property derivation from inversion results

Interactive Data Visualization Real-time processing feedback

• On-the-fly visualization of conditioning step results
• Zoomed section display around well locations with angle stack traces
• Residual filtering visualization showing low-frequency filtering effects
• Interactive recipe storage and editing with visual feedback
• Elastic impedance, synthetic, and residual storage for comprehensive result review

Well Integration and Control Robust well-tie workflows

• Well control integration throughout conditioning and inversion workflows
• Well location QC with angle stack trace display at each CDP
• Upscaled acoustic impedance log comparison with inversion results
• Log search tool for rapid selection and comparison of log data with inversion results
• Comparison between inversion data and log data along seismic sections

Low-Frequency Model Integration Flexible absolute impedance generation

• Optional low-frequency blending with relative impedance results
• Multiple low-frequency source options including interpolated well data
• Low-frequency model storage and derivative calculation
• Seamless integration of low-frequency information into inversion workflows

Benefits

Rapid Parameter Testing Accelerated workflow optimization

• Interactive chained recipe approach enabling quick parameter testing
• Real-time insight into impact of parameter changes on final results
• On-the-fly computation of results at each workflow step
• Rapid comparison between multiple processing scenarios
• Iterative refinement without reprocessing entire workflows

Confident Inversion Results Robust quality assurance

• Comprehensive QC products ensuring data reliability before inversion
• Well control links providing validation against measured data
• Synthetic seismic and residual calculation for model assessment
• Multiple comparison methods between conditioning and inversion results
• Reduced risk through interactive validation at each processing stage

Optimized Data Quality Enhanced seismic amplitude fidelity

• Careful parameterization and testing achieving best results for specific datasets
• Spectral optimization ensuring data suitability for amplitude work
• Trace alignment correction improving gather quality
• Noise reduction through advanced filtering techniques
• Preservation of signal integrity through structure-oriented processing

Integrated Workflow Efficiency Streamlined end-to-end processing

• Single platform combining conditioning and inversion eliminating data transfer steps
• Coupled recipes reducing manual intervention and data handling
• Automatic result propagation between workflow steps
• Reduced cycle time from raw seismic to final inversion products

Flexible Inversion Capability Multiple methodological approaches

• Choice of inversion techniques suited to specific geological and data conditions
• Colored inversion for rapid relative impedance generation
• Advanced angle-stack inversion for detailed elastic property estimation
• Integration with facies inversion for simultaneous property and lithology prediction