We provide a unique range of technologies, services and equipment designed to deliver geoscience solutions right across the Exploration & Production life cycle.
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Operating safely and with integrity in order to deliver sustainable performance.
CGG recognizes the 10 UNGC principles and publishes annually its communication on progress.
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Explore an extraordinary opportunity to help create the future solutions of geoscience challenges.
Our range of geoscience experience is unparalleled and leads us to invent and perfect technology and techniques unlike any other.
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Expert, independent advice on the most appropriate satellite imagery (optical, radar) and elevation data products.
The benchmark for petrophysics, rock physics, facies analysis and statistical mineralogy. Collaborative multi-well log analysis made easy for better drilling decisions.
Spatial variations in the absorption properties of the overburden cause frequency-dependent dissipation effects. This results in seismic amplitude attenuation and wavelet phase distortion which masks underlying events and decreases resolution.
CGG's proprietary Q tomography and Q PSDM help address these issues. Q tomography builds a model of the anomaly using pre-stack amplitudes. Q PSDM can then use this model to compensate, recovering bandwidth, allowing meaningful AVO studies to be performed and aiding in the accurate prediction of reservoir properties.
Frequency Shift Q Tomography (FS-QTOMO) is a refinement of the method. It's a purely data driven method using centroid frequency shift information from surface seismic data for back-propagation along ray paths to reconstruct the attenuation distribution in terms of Q (Quality Factor) values.
These sections from our Barreirinhas Basin multi-client survey, offshore Brazil, compare conventional PSDM overlain by our tomographic Q model (left) with results obtained with Q PSDM using that Q model (right).
Create accurate seismic images in the most complex of geological environments.
Reveal intricate velocity details for the clearest images. Harness seismic low frequencies from BroadSeis, StagSeis, seabed and land data.
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