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3-D coherency inversion

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Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13821446
....x. Peyton, L., R. Bottjer, and G. Partyka, 1998, Interpretation of incised valleys using new 3-D seismic techniques: A case history using spectral decomposition and coherency: The Leading Edge, 17, 1294 1298, httpdx.doi.org/10.1190/1.1438127. Pinnegar, C. R., and L. Mansinha, 2003, The S-transform...
Proceedings Papers

Paper presented at the 1999 SEG Annual Meeting, October 31–November 5, 1999
Paper Number: SEG-1999-1354
... improve amplitude preserved migration results already obtained. Acknowledgemen ts We acknowledge the nancial support of the sponsors of the 3D migration/inversion and AVO project at ARMINES- Ecole des Mines de Paris. SEG 1999 Expanded Abstracts Reduction of 3-D acquisition footprin ts References Beasley...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-583-MS
... Exposition. Passey Q.R., Creaney S., Kulla J.B., Moretti F.J., Stroud J.D., 1990, A practical model for organic richness from porosity and resistivity logs / AAPG Bulletin 74 (12): 1777-1794. Peza, E., Kvale, E., Hand, R., Harper, W., Jayakumar, R., Wood, D., Ganpule, S. 2014. 3-D Integrated Workflow for...
Proceedings Papers

Paper presented at the 2000 SEG Annual Meeting, August 6–11, 2000
Paper Number: SEG-2000-1501
... amplitude preserved processing sequence produced a post stack migrated 3D seismic volume, with a moderate to good seismic signal quality at the objective Arab-D event. This data volume constituted the input to the seismic inversion process. Both deterministic and stochastic inversion of the seismic traces...
Proceedings Papers

Paper presented at the 1996 SEG Annual Meeting, November 10–15, 1996
Paper Number: SEG-1996-0359
... Kroode, A., Smit, D., Verdel, A., 1994. Linearized Inverse Scattering in the Presence of Caustics. SPIE Conference of math methods in geophysical imaging, San Diego. Yilmaz, O., 1987. Seismic Data Processing, SEG. Figure 7. Section of Marmousi, ranging from 700m to 3000m in depth and 3500m to 7500m...
Proceedings Papers

Paper presented at the 1995 SEG Annual Meeting, October 8–13, 1995
Paper Number: SEG-1995-1081
... global optimization 3 REFERENCES Landa, E., Kosloff, D., Keydar, S., Koren, Z. and Reshef, M., 1988. A method for determination of velocity and depth from seismic reflection data: Geophysical Prospecting, 36, 223-243. Landa, E., Beydoun, W. and Tarantola, A., 1989. Reference velocity model estimation...
Proceedings Papers

Paper presented at the 1990 SEG Annual Meeting, September 23–27, 1990
Paper Number: SEG-1990-1249
... Response Surface Technique (RST) (Bard.1974). It consists in the following: Let E = E (p) be the best value of the coherency objective function, and r the estimate of velocity vector c7 . Then, there is sane pameter vector 3, which gives a coherency meas- are that is only insignificant smaller than E...
Proceedings Papers

Paper presented at the 1988 SEG Annual Meeting, October 30–November 3, 1988
Paper Number: SEG-1988-1077
... difficult problem with poor global behaviour. To render the problem less stiff, we pose the co- herency requirement (3) aa a soft constraint. Define J = IIS - S&d t ~211CIIz~ We call coherency optimization the minimization of J over suitable c,r (see below for the meaning of suit- able. In Symes (1988a...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2433812-MS
... azimuth Reservoir Characterization altamont-bluebell field coefficient brittleness Uinta Basin anisotropy percentage equation URTeC: 2433812 Azimuthal Velocity Analysis of 3-D Pre-Stack Seismic Data for Fracture-Induced Anisotropy in the Altamont-Bluebell Field Khaled Al Dulaijan*, CREWES...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1105
... Summary By minimizing the difference between synthetic and field data sets, full waveform inversion (FWI) can produce high resolution and high fidelity earth model parameters that are not resolvable by commonly used ray-based tomography. In this paper, we share our experience on applying 3-D...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997878
... Decomposition is defined as: cwsd( , f ) = d(t) [W ( f )k] pi f 3 2 R( , t, f )e i2pi f tdt (1) where R( , t, f ) = 1 2pi2 f 2 t)2e W ( f ) k f2t)2 2 (2) is a weighted Ricker wavelet, is the translation parameter, f is frequency, k is a constant; W ( f ) are the coherency weights defined as: W ( f...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5919692
...Combined focal and coherency-based deblending strategy A. Kontakis and D. J. Verschuur, Delft University of Technology SUMMARY While sequential acquisition is still the norm, blended (or si- multaneous source) acquisition is quickly gaining traction as an attractive alternative. Although processes...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-2181
... geometry approximations. The method explicitly computes the least-squares Hessian matrix, defined from the modeling/migration operators, and uses an iterative solver to find the solution of the resulting system of equations. This technique can handle 3-D data in a target-oriented fashion. The inversion in...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-191966-MS
... bottom and top of a certain layer respectively. Fu , X. , Dai , J. , Zhang , D. , Zhang , Y. , Zou , J. , Ren , Q. 2018 . Characteristics of In-situ Stress in Different Structure Positions of No.3 Coal Seam in Northern Shizhuang . Coal Technology(in Chinese) , 37 ( 05...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995944
... Mekala, Neil Ratnett, Adriana Thames, Tom Travis and Connie VanSchuyver for their help and contributions. Figure 3 a) A blended shot gather; b) after one iteration of retrieving strongest planar elements in the 3D FK domain; c) after one iteration in which a hyperbolic time shift was applied; d) same as...
Proceedings Papers

Paper presented at the 2005 SEG Annual Meeting, November 6–11, 2005
Paper Number: SEG-2005-1681
... ABSTRACT The 3-D Common-Reflection-Surface (CRS) stack provides a number of attributes which may be used for the determination of structural velocity models of the subsurface by Dix-type inversion. In order to overcome the problems of this type of inversion, e. g., error accumulation with...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5715988
...) proposed a general iterative deblending framework via shaping regularization (Fomel, 2007). In this paper, we follows the shaping regularization framework to solve the deblending problem: mn+1 = S[mn +B[d mn (3) where S is the shaping operator, which provides some con- straints, and B is the backward...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2692737-MS
... Intervals in the Woodford Shale, Oklahoma, Using Multi-Attribute 3-D Seismic Displays and a Supervised Neural Network Torres*1, E.J., Roger M. Slatt1, Kurt J. Marfurt1, Lennon E. Infante1 and Luis A. Castillo2 1. The University of Oklahoma, ConocoPhillips School of Geology and Geophysics. Norman, Oklahoma...
Proceedings Papers

Paper presented at the 2000 SEG Annual Meeting, August 6–11, 2000
Paper Number: SEG-2000-1779
... operator correlation walkabove data covariance different data migration multi-survey vsp data An integrated 3-D tomographic inversion - application to multi-survey VSP Data Di Cao*, Nobuyasu Hirabayashi, Scott Leaney, William Borland, Kenzo Hara, Schlumberger, Phil Johnston, UNOCAL Summary In the...
Proceedings Papers

Paper presented at the 1999 SEG Annual Meeting, October 31–November 5, 1999
Paper Number: SEG-1999-0915
... artificial intelligence reservoir characterization upstream oil & gas hibernia reservoir hard constraint newfoundland resolution Mapping of thin reservoir layers within the Hibernia formation using a full 3-D stratigraphic inversion Rakesh Walia, Todd Mojesky, CGG Calgary, Larry Sydora, John...

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