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Keywords: carbonate
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3586323
... building. Integration of gravity data with salt model refinement and interpretation of carbonate bodies using orthogonal wide-azimuth seismic data resulted in improved data-driven velocity updates as well as reduced uncertainty in geological interpretation. This integrated solution delivered improved...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594319
... Carbonate reservoirs provide numerous complications for accurate reservoir characterization and management. A seismic survey acquired in the Fall of 2019 over a Silurian (Niagaran) pinnacle reef gas storage reservoir is utilized for amplitude variation with offset (AVO) inversion to assist...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3422650
... The deep-water sub-salt carbonate reservoirs in Brazil are important plays that draw the attention of the E&P community. However, accurately characterizing the sub-salt reservoirs is still a challenging task due to the difficulties in the sub-salt imaging, velocity model building, and data...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426157
...). In practice, the diffracted wave is always combined with the reflective wave while recording. As a result, we first need to extract it from the reflective data. In this paper, the diffracted wave was used to identify the fracture cave developed in carbonate reservoir in Tahe oilfield, northwestern China...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214084
... crossplot upstream oil & gas log analysis computation interpretation artificial intelligence carbonate different facies estimation porosity shale siliceous mudstone delaware basin bone spring machine learning water saturation equation wolfcamp well logging facies seg international...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214492
... ABSTRACT The exploration of the Brazilian Pre-salt section revealed some world-class giant oil fields. The Pre-salt reservoirs are composed of carbonate rocks saturated with good quality oil, and presents high productivity. The Pre-salt section from Santos Basin is rich in carbonate...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216795
... ABSTRACT The geology of the southern Gulf of Mexico is characterized by complex structures and varied lithology including salt and carbonate layers. The resulting velocity complexity causes problems such as false structures and poor illumination that affect imaging of exploration targets...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216677
... ABSTRACT Interbed multiple attenuation and converted-wave attenuation are often not in the scope of marine noise attenuation. However, there are certain environments, such as the shallow-water Guyana region, where the water-bottom reflectivity is high and shallow carbonates can generate...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216761
... information geometry subsalt image annual meeting reservoir characterization annual international meeting white arrow initial model tlfwi perdido area waz data carbonate application seg international exposition Ahmed , I. , 2018 , Diving wave illumination using RTM to analyze...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215807
..., 2019 Session Start Time: 8:30 AM Presentation Start Time: 9:20 AM Location: 214D Presentation Type: Oral annual international meeting modeling complexity geophysics geological concept seg international exposition upstream oil & gas outboard pilot study carbonate campeche...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216628
... and the concept of tortuosity. Percolation theory is then used to derive a connectivity coefficient which is calibrated according to interpreted flow zones or fácies. We demonstrate the method by comparing permeability estimates with measured values from core samples, from a carbonate oil field in Campos Basin...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216214
... reservoir characterization seismic inversion purpose constraint resolution assumption constraint facies facies inversion artificial intelligence inversion anhydrite lithofacies elastic property upstream oil & gas annual meeting joint impedance seismic resolution carbonate impedance...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995074
... (Anaheim Convention Center) Presentation Type: Oral seg international exposition model building offshore mexico example inversion tomography seismic data carbonate well data ps data annual meeting joint ppp model building interpolation constraint upstream oil & gas depth image...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2965742
... ABSTRACT An integrated technique is proposed to jointly model the electrical resistivity and relative permittivity measurements of carbonates formations. A set of well logs have been constructed using the joint model. Then, a stochastic global optimization machine has been employed to develop...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996079
.... Geology is complex in different aspects, the first is due to the two different geological provinces through which the project runs. The main target is a Mesozoic carbonate, not only with a depth varying from 4000 to 7000 m, but varying thickness from 200 m to none at all. Numerous allochthonous dirty salt...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996651
... ABSTRACT We present an anisotropic rock physics model which can be used to estimate velocities for different facies types (sands, shales and carbonates). The model uses a combination of the joint Self Consistent, Approximation and Differential Effective Medium model (SCA/DEM) and the Hudson...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996032
... ABSTRACT The recent discoveries made in the pre-Salt carbonates, southeast Brazil, are among the World’s most important ones in the past decade. This province, especially Santos Basin, comprises large accumulations of excellent quality and high commercial value oil. The latest seismic...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998156
... seg international exposition fluid dynamics artificial intelligence correlation flow in porous media classification porosity pore structure parameter machine learning upstream oil & gas reservoir characterization micropore linear regression intrusion porosimetry carbonate...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17359888
... unconformably between Mississippian and Devonian carbonates. Of interest is the Mississippian-age WDFD Silt, unconformably overlying the organic-rich, black Devonian WDFD Shale. The WDFD Shale ranges in thickness 50 to 200 feet in gross thickness across a recently reprocessed 120 square mile 3D survey, while...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17793278
...Pore system evaluation of middle-east carbonates using Synchrotron X-Ray µCT Roseane Missagia1,2, Irineu Lima Neto1, Marco Ceia1,2, Grazielle Oliveira1, Victor Santos1, Ronaldo Paranhos1, Nathaly Archilha3, 1LENEP-UENF), 2INCT-GP, 3LNLS-IMX Summary It is estimated that massive hydrocarbon reserves...

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