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Migration strategies

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Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214990
... , Investigations in Geophysics 2. Zhu , J. , L. , Lines , and S. , Gray , 1998 , Smiles and frowns in migration/velocity analysis : Geophysics , 63 , 1200 – 1209 , doi: 10.1190/1.1444420 . Procedural strategies for depth-migration velocity analysis by image-wave propagation...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5856283
... regularization martin schachinger rag ag azimuth class cr processing cr regularization strategy cr offset-azimuth regularization Customized CRS regularization strategies for improved migration results Guido Gierse*, Juergen Pruessmann and Henning Trappe TEEC GmbH Hans-Gert Linzer and Martin Schachinger...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996971
... quality, hence enabling the use of most advanced features in production environment. This new approach involves using a depth-variant migration strategy, with spectrum balancing. Introduction RTM is the industry-recognized high-end imaging algorithm for complex geological regions such as the Gulf of...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5880003
... unrelated events during the migration. In this paper, we propose a more reasonable method for joint migration, mainly by introducing two creative strategies to solve the problems proposed above. Firstly, we suggest to extract an accurate wavelet from the original data, then use the extracted wavelet...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-3275
... wavefield migration normalization scheme amplitude normalization image global normalization scheme fletcher reverse time migration reservoir characterization geophysics global normalization reverse-time migration mike cogan normalization normalization strategy Normalization strategies for...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2985006
...An Efficient 3D Reverse Time Migration in Vertical Time Domain Based on Optimal Operator Boundary Storage Strategy Peiran Duan* , Bingluo Gu, Zhenchun Li School of Geosciences, China University of Petroleum (East China) Summary Based on the full two-way wave equation for wavefield extrapolation...
Proceedings Papers

Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-3318
... transformation. We address some new approaches to implementing the seismic migration operator based on the flow-out of Gaussian wave packets. Following Bucha (2009), we will discuss the main steps of the migration strategy for 2D common-shot gathers: data decomposition into Gaussian wave packets; flow-out of...
Proceedings Papers

Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-1167
...Data regularization strategies for azimuth-limited prestack migration of 3D land volumes in fracture detection applications Mike Perz*, Juefu Wang, and Ye Zheng, Divestco Inc. Summary We compare two different approaches to input data regularization for azimuth-limited Kirchhoff prestack migration...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-2267
... requirement implementation main menu computational strategy migration backward recursion supershot reverse-time migration reservoir characterization wavefield reverse time migration Computational strategies for reverse-time migration Eric Dussaud , Total E&P USA, William W. Symes, Rice University...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-3385
...A strategy for attenuating VSP migration artifacts: local beam migration Jianhua Yu, Brian Hornby, BP America Inc., Houston, TX 77079, USA Summary VSP-derived images can suffer from severe migration artifacts where the migration "smiles" resulting from the wave-equation and ray-based migration...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216600
...Practical strategies for interbed multiple attenuation Gaurav Dutta*, Hui Huang, Karthik Kanakamedala, Bin Deng, and Ping Wang, CGG Summary Interbed multiples cause artifacts in subsurface images because they are incorrectly migrated when using standard primary-based migration algorithms. While...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference, February 21–23, 2006
Paper Number: SPE-98924-MS
... silicate phases. As carbonates are dissolved in low pH environment, the cement-carbonation process will not become a self- IADC/SPE 98924 Mitigation Strategies for the Risk of CO2 Migration Through Wellbores V. Barlet-Gouédard and G. Rimmelé, Schlumberger; B. Goffé, CNRS/ENS*; and O. Porcherie...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13679809
... continuation operator also maps the reflected waves to the travel-time ellipse isochrones, which produces lots of imaging noise and swing artifacts, especially for low SNR or sparsely acquired data. In order to improve the robustness of beam migration, we proposed an effective data-driven optimization strategy...
Proceedings Papers

Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-0393
... Denver 2010 Annual Meeting © 2010 SEG Some practical aspects of amplitude recovery before AVO and inversion is probably the most popular migration strategy in the context of AVO and inversion. To better understand the problem, let us look at some examples. Figure 1 display migrated gathers from various 3...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 9–12, 2015
Paper Number: SPE-177571-MS
... was able to greatly improve the velocity model and the migration image. The migration image starting from the traditional ray based model had a superior focus and better followed the geological setting, indicating that our FWI strategy is compatible with traditional method and that, in order to get...
Proceedings Papers

Paper presented at the SPE Improved Oil Recovery Conference, August 31–September 4, 2020
Paper Number: SPE-200363-MS
... Abstract Brownfield residual oil zones (ROZ) may benefit from specific strategies to maximize production. We evaluated several strategies for producing from the Seminole ROZ. This ROZ lies below the main pay zone (MPZ) of the field. Such brownfield ROZs occur in the Permian Basin and elsewhere...
Proceedings Papers

Paper presented at the Offshore Mediterranean Conference and Exhibition, March 29–31, 2017
Paper Number: OMC-2017-525
...: this group coordinates and integrates the multidisciplinary work in MIGRATE and develops communication strategies to inform the public, NGOs, policy makers, private companies, and public institutions. Working Group 1: Resource assessment WG 1 will bring together scientists and professionals from...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2581-MS
... Abstract This paper presents typical multi-fractured horizontal well failures together with potential mitigation strategies. The discussion is based on information compiled over the last decade from operations in the United States, Argentina and Canada. The analysis focuses mainly on well...
Journal Articles
Journal: SPE Journal
SPE Journal (2020)
Paper Number: SPE-200885-PA
Published: 21 October 2020
... fines migration, predict future performance with an assumption that intervention techniques are not used. Present findings to reservoir-management teams and seek feasible remediation strategies. Mechanical fines migration occurs when the interstitial velocity exceeds the critical velocity...
Proceedings Papers

Paper presented at the 2005 SEG Annual Meeting, November 6–11, 2005
Paper Number: SEG-2005-0861
... formational sub-units. As such, 2-D and 3-D poststack migration strategies (Yilmaz, 2001) for seismic imaging of such a subtly complex strata have provided but only limited resolution (Figure 2). Instead, 3-D prestack time migration and, ultimately 3-D prestack depth migration (Figure 3), has provided the...

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