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  1. 3D seismic
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  5. Depth imaging
  6. Peru
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SEG/AAPG IMAGE ’23 case history from Camisea Perú

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Vestrum, R.W., Soldo, J., Zunino, E., Muzzio, M.E., Chung, J.F., 2023, Geologically constrained model building for seismic depth imaging in Camisea, Perú, The International Meeting for Applied Geoscience & Energy, Houston, USA.

  • Integrated seismic case study from the Peruvian Andes
  • Geologic constraints are essential to seismic imaging in complex-structure land areas
  • Seismic reflectors on the final depth image matched well depths across the block without vertical scaling after migration
  • Revised volume redefined the structural model and revealed an additional subthrust target

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  1. 2015
  2. 2D seismic
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EAGE Madrid 2015: Creating a 3D Geologic Model for 2D Depth Migration in the Peruvian Andes

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Vestrum, R.W., Vilca, J., Di Guilo Colimberti, M., 2015, Creating a 3D Geologic Model for 2D Depth Migration in the Peruvian Andes, 2015 EAGE Conf & Exhibition, Madrid, Spain.

  • Consistent velocity model across multiple 2D lines by building the velocity model in 3D
  • Interpretive 3D velocity model minimized misties at line intersections
  • Final PSDM results removed subthrust velocity pull-up

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  1. 2011
  2. 3D seismic
  3. Case history
  4. First Break
  5. Pakistan
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  7. Time processing

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2011 First Break: 3D case history from the Himalayan foothills of Pakistan

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Vestrum, R.W., Dolgov, V., Wittman, G., Csontos, L, and Gittins, J., 2011, 3D seismic imaging over two structurally complex seismic surveys in the foothills of Pakistan: First Break 29, no. 4, 61-70.

  • Time processing and merge of two 3D surveys over highly complex geology.
  • Illustrates our back-to-basics workflow where no single technology stood out in the processing, but careful attention to details in fundamental processes created a readily interpretable seismic volume.

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2009 First Break article illustrates our focus on geophysics fundamentals

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Vestrum, R.W., and Gittins, J.M., 2009, Technologies from foothills seismic imaging: replacements or complements?: First Break, 27, no. 2, 61-66.

  • The editor describes this paper: “Our land seismic section begins with a provocative article challenging the assumption that only new technologies will do.”
  • Sven Trietel suggests that this philosophical discussion “ought to be made ‘must’ reading for any newcomer to our game.”

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  2. 3D seismic
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2009 AAPG Convention case history from Colombia with Isabel Florez at Hocol

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Vestrum, R.W., Florez, I.C., and Gittins, J.G., 2009, Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth: 2009 AAPG ACE, Denver, USA.

  • This case history shows the unpredictable nature of imaging below for lateral-velocity heterogeneity and seismic anisotropy. The surprise ending shows how the imaged structures move as we correct for each wave-propagation effect.

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  1. 2006
  2. 2D seismic
  3. 3D seismic
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  5. Colombia
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2006 paper on model building in Colombia
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Vestrum, R.W., 2006, Seismic imaging and interpretive model building in the Colombian Andes: IX Simposio Bolivariano, Cartagena, Colombia.

  • This manuscript describes the problems of sideslip and smear before going into the interpretive model-building methodology.

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