Technical Library

Seismic Data, Processing, Technology, Well Data Reports and Industry and Trade Publication Features, from the Experts at TGS

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21 September 2011
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We present results from a case study being performed in the Gulf of Mexico (GoM) that utilizes two orthogonal Wide Azimuth (WAZ) surveys to create an.
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19 September 2011
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The implementation and production application of fast Reverse Time Migration (RTM) algorithms, especially for Tilted Transverse Isotropic (TTI) medium, is.
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17 September 2011
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Tilted Transverse Isotropic (TTI) Reverse Time Migration (RTM) is routinely used for depth velocity model building. To improve the efficiency of RTM we.
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17 September 2011
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We present an advanced velocity model building and imaging methodology that resulted in significant enhancements in defining the salt flanks with.
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16 September 2011
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The Hoop Fault complex in the Southwestern Barents Sea presents an imaging challenge to accurately model the sharp velocity contrast across a major fault.
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16 September 2011
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Three expanding domain methods are studied which include: (1) constant velocity layer, (2) eikonal equation solver and (3) amplitude comparison. The layer.
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14 September 2011
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A velocity anomaly zone with high contrasts and small wavelength variations is often a challenge for conventional depth imaging. It requires model details.
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13 September 2011
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Delayed Imaging Time (DIT) scans based on Reverse Time Migration (RTM) are often used in production to update velocity models, particularly in subsalt or.
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12 September 2011
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We have applied layer-stripping Reverse Time Migration (RTM) to several Gulf of Mexico (GOM) depth imaging projects. The key element of layer-stripping.
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10 September 2011
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We present a redatuming data regularization technique based on a 3D true azimuth Common Focusing Point (CFP) technique. It can effectively merge different.
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08 September 2011
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Here we present a case study of improved subsalt imaging for a wide azimuth (WAZ) survey in the Mississippi Canyon/Atwater Valley area in the Gulf of.
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06 September 2011
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A simultaneous anisotropic tomographic inversion algorithm is developed. Check shot constraints and appropriate algorithm preconditioning play an.
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03 September 2011
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Creating an angle gather is a conceptually simple process of plotting reflection amplitudes along the angle. Reflection or opening angle can be directly.
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