Prestack time migration (PSTM) may not be the most sophisticated imaging method available, but it remains the most commonly used migration algorithm in use today. Kirchhoff PSTM combines improved structural imaging with amplitude preservation of prestack data in readiness for AVO, inversion, and subsequent reservoir characterization.
Advances in this field also mean that time imaging, more than ever before, is an ideal first step in a Depth Imaging workflow, reducing the number of velocity model building iterations and decreasing overall turnaround time.
WesternGeco migration algorithms combine unparalleled geophysical attributes with advanced velocity analysis tools, rapid turnaround, and highly skilled geophysicists.
Technology
The technology behind successful time imaging brings together a superior imaging algorithm with the ability to create high-resolution anisotropic velocity fields. Ω-Time forms an integral part of the WesternGeco Seismic Processing Portofolio.
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Imaging: Regularization, migration and datuming techniques
Algorithms and migration workflows to provide optimum seismic imaging in the time domain.
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Statics portfolio
A variety of techniques, including tomographic approaches, designed to provide the optimum statics solution in every type of acquisition environment.
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Velocities and moveout
A wide range of tools to help build high-resolution, high-accuracy anisotropic velocity fields.
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Enhanced Migration Amplitude Normalization
Experience
WesternGeco data processors can draw on a wealth of experience built over more than 75 years of operations in the field of seismic exploration. We have imaged structures on and around six continents, covering all the world's major petroleum provinces.
Since the early adoption of 3D imaging in the 1970s and 80s, our operations centers have processed data in volumes measured in the tens of millions of square kilometers. We combine this rich heritage with a drive to face new challenges and create innovative solutions.