Seismic Inversion for Reservoir Characterization

inversion bannerCGG GeoConsulting utilizes a variety of different seismic inversion techniques. The appropriate technique is determined by the complexity of the geologic conditions, the customer’s reservoir characterization goals and the data available. Feasibility studies centered at a well location give us insight into which inversion methodology will best show a reliable separation of the target lithofacies and model the appropriate reservoir thicknesses.

deterministic inversion

Deterministic Seismic Inversion

We have significant expertise performing true 3D multi-channel, layer-based stratigraphic inversions. Our inversion schemes are particularly effective in poor signal to noise ratio areas. Seismic inversion provides cubes of elastic properties that can be interpreted in terms of reservoir lithology, facies probability volumes and fluid content using our Lithology Classification Workflow.

geostatistical inversionGeostatistical Seismic Inversion

Our geostatistical inversion workflows generate multiple high-frequency models for high-resolution reservoir characterization and uncertainty analysis. They address the band-limited nature of deterministic inversion methods and integrate well data and seismic data at a fine scale within a stratigraphic geomodel framework. The numerous realizations of the geostatistical inversion can be ranked and interpreted in terms of lithology and porosity uncertainty and ultimately used as input to reservoir modeling.

4D Seismic Inversion

CGG GeoConsulting has developed a 4D inversion workflow extending the 3D simultaneous elastic inversion to joint multi-vintage inversion, with simultaneous inversion of all angle stacks for base and monitor surveys. Used to image and analyze reservoir changes in pressure and fluid saturation to optimize hydrocarbon recovery.

3D/4D Petrophysical Inversionpetrophysical inversion

Based on a petro-elastic model (PEM), petrophysical inversion simultaneously integrates all subsurface information to provide reliable, quantitative, fine scale descriptions of reservoir properties. It provides a direct link between seismic data and reservoir modeling, as it is applied on a geo-cellular model filled with rock properties in depth. This process directly inverts for cubes of reservoir properties such as porosity and saturation, rather than acoustic impedance and Vp/Vs changes.

CGG GeoConsulting seismic inversion workflows ensure that the seismic contribution to the reservoir model is optimized and history matching is performed taking into account the impact of seismic and subsurface uncertainties on the production forecasts.

Combining BroadSeis 3D HD-WAZ data in a reser...

Gabino Castillo | Rob Mayer | Paola Fonseca | Maria Coronado...
©2015 EAGE

4D seismic inversions

Lucia Levato

Geostatistical Inversion Guides Development I...

HaiHong Wang | Kevin Chesser | Jeff Zawila | Samuel Fluckige...
©2016 The American Oil & Gas Reporter
GeoSoftware - Deterministic Inversion

Deterministic Inversion

Extract rock properties from seismic data using seismic inversion for pre-stack or full-stack analysis.
GeoConsulting - (new) Lithology Classification

Lithology & Facies Classification

Defining lithology classes and prediciting facies distribution to gain a better understanding of the reservoir rocks and fluids

GeoSoftware - Advanced Seismic Interpretation

Advanced Seismic Interpretation

Extract the best possible interpretation analysis from your seismic data. Combine potent interpretation power with exciting visualization and point-and-click convenience. Help interpreters spend more time evaluating plays and validating findings.
GeoConsulting - Geophysical Services (SRC)


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