Blueback ODiSI

One dimensional stochastic inversion.

A robust, rigorous, and accessible solution for seismic inversion.

A new seismic inversion technique for geophysicists.

Developed jointly by BP and Cegal

Blueback ODiSI is a facies based seismic inversion method that specifically includes only the most robust prior information in order to jointly estimate facies and reservoir properties along with their associated uncertainties.

Blueback ODiSI does not require any prior lateral constraints: the algorithm converges so that each trace can be inverted independently of its neighbors yet laterally continuity is still achieved.

The technology was originally developed by BP (Connolly & Hughes, 2013, 2014, 2016) while a version for the Petrel* E&P software platform has been developed jointly by Cegal and BP.

The solution comes fully integrated into Petrel, complementing Cegal’s Quantitative Interpretation solution Blueback Rocks QI.

Robust Seismic Inversion

QC Rock Physics Models

Optimize seismic match

QC Best matching Pseudo Wells

QC Bed Thicknesses and Transitions

Blueback ODiSI is a robust, rigorous, and accessible solution for seismic inversion.

Dynamically create and QC the Rock Physics models.

The new post inversion algorithm “Finesse” allows a better match with the seismic input data and a reduction of seismic residuals.

Blueback_ODiSi_QC_Best_matching_pseudo_wells

Blueback ODiSI Inversion QC – quick and efficient QC of the Best Match Pseudo Wells.

Blueback_ODiSi_QC_bed_thicknesses_and_transitions

Dynamically create and QC bed thicknesses and transitions statistics to ensure the desired range of prior information for each geo-layer.

Low frequency model required

Color inverted angle stacks simultaneously

Statistically correct pseudo-wells generated

Facies based inversion

Blueback ODiSI is a robust, rigorous, and accessible solution for seismic inversion.

High-quality reservoir imagery
Produces properties and uncertainties
Conceptually simple but rigorous

Inversion process

The process is based on geological concepts and captures all the prior knowledge about a given field, prospect or reservoir.

Time Markov Chains for vertical statistic lithofacies
Rock Physics Models to assign parameters
Pseudo-wells tied locally to geological interpretation

Improved algorithms

The computing intensive algorithm is simple, robust and multi-threaded, and now includes the new post inversion algorithm “Finesse” for improved results.

Based on local facies optimization
Better match to seismic data
Significant residual reduction

Petrel * is a mark of SLB

Blueback Rock Physics

A dynamic, easy-to-use tool that optimizes seismic data value, reduces exploration risk, uncertainty, and improves reservoir understanding.

Blueback Avary

Blueback Avary, developed in collaboration with Aker BP, offers increased effectiveness, speed, and quality for seismic post-stack processing workflows.

Blueback Seismic Reservoir Characterization

Blueback Seismic Reservoir Characterization delivers high end geophysics tools for reservoir characterization.

Blueback Investigator

Blueback Investigator brings powerful cross-domain data analysis and unique visualization technology to improve your understanding of Petrel data.

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Blueback ODiSI

A robust, rigorous, and accessible solution for seismic inversion.

Benefits

Blueback ODiSI features

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