Clarify your E&P Assets with Isatis

In recent years, there has been a rapid development in geostatistics in the oil industry. The reasons for this success are to be found in the significant contributions made by geostatistics to the analysis of spatial data and, above all, an overwhelming need for data quality and risk assessment.

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Data QC with ISATIS -> View demo (Windows Media [5:50 | 7.6 Mb])
Success Stories:
- ISATIS, Natural Extension of Reservoir Characterization Systems - Beicip-Franlab
- Petro-Canada achieves high quality geological models with Isatis

Overview

ISATIS is a powerful and exhaustive geostatistical package which allows geologists, geophysicists and reservoir engineers simple or complex workflows for reservoir modeling and assessing the volumes and the uncertainties attached to their evaluation. Besides, ISATIS full connectivity with usual market formats and its interfaces with GOCAD™ (from Earth Decision), PETREL™ (from Schlumberger) and the RML™ (from Beicip-Franlab), makes the software an incomparable tool for data integration.

ISATIS, issued from 40 Years of Geostatistics

Benefits

Make decisions based on evidence
Get a risk indicator through the E&P cycle
Increase data value by a secure quality process
Enable team collaboration around a common database
Obtain a realistic model when geology gets complex
Back your reserve estimates on a full probabilistic framework
Ensure clean archive of assets

Plug ISATIS in your reservoir modeling cycle

Time-to-Depth Conversion and Structural Modeling

Investigate and clean your data with Isatis unique Exploratory Data Analysis interactive module.
Handle 2D and 3D faults from variography to kriging and simulations.
Get your 3D velocity cube from 3D stacking velocity processing using kriging.
Extract attributes from a velocity cube along interpreted time horizon.
Remove acquisition artifacts and noise in velocity cubes through variogram decomposition in factorial kriging.
Perform accurate time-to-depth conversion by using multivariate kriging techniques controlled by seismic.
Quantify the uncertainties on surfaces using appropriate stochastic simulation algorithms.
Get the probability distribution of GRV with ISATIS Volumetrics application.
Take advantage of the various arithmetical and morphological operators to derive additional attributes.
Determine the reservoir closure and identify the spill points.

Facies Modeling

Facies modeling using the Plurigaussian Simulations
(displayed with ISATIS 3D Viewer)

Put the model in the original stratigraphic system by flattening the 3D grid.
Define the bedding geometry. Choose between parallel and proportional layering.
Build the 3D model of lateral and vertical facies distributions over the field from the Vertical Proportion Curves.
Distribute the facies over the 3D grid using the stochastic simulations. The various available techniques allow adapting the facies modeling to the amount of information and geology complexity.

Petrophysical Modeling (JPEG)

Populate the grid with the petrophysical properties (porosity, permeability, water saturation) from well logs using data integration techniques.
Get the optimistic and pessimistic scenarios with the appropriate stochastic simulation method.
Compute accurate volumes by zone, facies, stratigraphic units using the Volumetrics application.
Get the probability distribution of HCPV, STOIIP, GIIP from the stochastic simulations.