Seismic Foldout: The Most Advanced Datasets Offshore Barbados and T&T

Jeniffer Masi, Jeroen Hoogeveen, Nick Tanushev, John Walker, Alexander Mihai Popovici, Geoex MCG, Z-Terra

GEO ExPro Magazine

... the acquisition of 16,433 km of long-offset high resolution 2D seismic data in the Southeastern Caribbean. The survey area covers Barbados, Grenada, Trinidad...

Geologically Constrained Seismic Imaging in Andean Thrust Belts, #42530 (2020).

Rob Vestrum,

Search and Discovery.com

... and geophysical data is essential to optimize seismic images in complex-structure areas. The seismic data in these areas have low data density, low signal...

Abstract: Inexact Full Newton Method for Full Waveform Inversion Using Simultaneous Encoded Sources; #90187 (2014)

Amsalu Y. Anagaw and Mauricio D. Sacchi

Search and Discovery.com

... iteration and update the model parameters using a line search method. Below is the pseudo-code of the inexact full Newton method. Notations: ωg :- data...

Abstract: Re-establishment of Gradient in Frequency-domain Elastic Waveform Inversion; #90174 (2014)

Ju-Won Oh, Dong-Joo Min, and Felix J. Herrmann

Search and Discovery.com

... modeled and field data. While the low-frequency components of the gradients should be weighted to recover the longwavelength structures, the high...

Seismic Foldout: Revealing a Promising New Play Concept in the Salar Basin, Offshore Canada

Yermek Balabekov, Susana Tierrablanca, Sriram Arasanipalai, Nizar Chemingui, PGS

GEO ExPro Magazine

..., such as relative impedance and relative density, for prospectivity assessment in a reliable and data-driven approach. INVERSION FOR PRESTACK...

An application of FWI with progressive transfer learning

Shirui Wang, Jinjun Liu, Yuchen Jin, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... compared to the raw input and 15Hz to the BWE result. In the new FWI iteration, we combine the predicted lowfrequency data from 1-8Hz...

Abstract: Constraining Uncertainty in Static Reservoir Modeling: A Case Study from Namorado Field, Brazil, by Juliana F. Bueno, Rodrigo D. Drummond, Alexandre C. Vidal, Emilson P. Leite, and Sérgio S. Sancevero; #90124 (2011)

Search and Discovery.com

Seismic erratic noise suppression based on Laplacian-scaled mixture prior

Haotian Xu, Weiwei Xu, Wenchao Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... − median(r) | and r is the initial noise estimation. In each iteration, parameters can be updated in turn. The recovery of clean data can be achieved...

Seismic Processing Strategies in the Deep Water Kutai Basin … Gendalo Hub Pre-Stack Depth Migration

Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao

Indonesian Petroleum Association

... processing flows are now much more effective in removing various types of multiples before migration. Prestack Depth Migration is enhanced with anisotropic...

Tulip Field 3D Coil Shooting Survey„Preliminary Data Processing Results

Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas Tyasbudi Waluyo, Swee Leng Ng

Indonesian Petroleum Association

... for the final round of 3D denoise routine in common offset and common azimuth domain and then to prestack migration. This was achieved by organizing the data...

Precise Sediment Density Determination by Gamma-ray Attenuation Alone: NOTES

Robert B. Whitmarsh

Journal of Sedimentary Research (SEPM)

... gm/cc for a sediment of density 2.0 gm/cc. The effect is less for less dense sediments. The iteration method has been checked using data obtained...

Abstract: A Low Rank Based Seismic Data Interpolation Via Frequency-Patches Transform and Low Rank Space Projection; #90224 (2015)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... the interpolation iteration. Compared with conventional low rank Interpolation methods, our method has the advantage of increased computational efficiency. Data...

Automated active learning for seismic facies classification

Haibin Di, Leigh Truelove, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... by the current machine, and adding them into the library of training data for the next-iteration of SI-CNN training and prediction (step C). crosslines and 1006...

Seismic frequency-divided iterative inversion method based on river channel constraints and its application in fine description of composite channel sand bodies

Zhenglong Zhang, Hebing Tang, Ying Qie, Dehai Qin

International Meeting for Applied Geoscience and Energy (IMAGE)

...s The thickness of reservoirs in the K oilfield in Bohai Bay is generally lower than the resolution of seismic data, making it challenging to accurately depic...

Application of deghosting method based on Greens theorem in reservoir description of Bohai Bay

Shaoxuan Li, Jiangfeng Zheng, Lei Gao, Zhiping Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... the resolution and fidelity of offshore seismic data. The deghosting method based on Green's theorem has become one of the most important methods...

Abstract: A Comparison of 5D Reconstruction Methods; #90187 (2014)

A. Stanton, N. Kreimer, D. Bonar, M. Naghizadeh, and M. D. Sacchi

Search and Discovery.com

... and Sacchi, 2011). Both POCS and TCOM use a weighted reinsertion to simultaneously denoise the original data at each iteration. This can be written Dk = αDobs...

Frequency-dependent reflection characteristics of single thin layer and waveform inversion

Zhengyang Kuai, Danping Cao, Chao Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 2003, Computation of differential seismograms and iteration adaptive regularization in prestack waveform inversion: Geophysics, 68, 2026–2039, doi: https...

Gated based quantum computer algorithm for geophysical inversion

Jorge E. Monsegny, Daniel Trad, Don C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... performing seismic prestack inversion. Moradi et al. (2018) present the different quantum computing concepts necessary for wave modelling applications...

Unconventional Play Fracture Characterization Through Orthorhombic Depth Model Building

Guy Hilburn, Amit Pendharkar, William Keller, René Mott, Jorge Peinado, Austin Jumper, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... standard approach to modeling unconventional play anisotropy is by applying a postprocessing correction to prestack time migration (PSTM, or time...

Qualitative and Quantitative Monitoring of Seismic Quality During Data-Processing for Future Seismic Reservoir Characterization Studies (Sisi-Nubi Field, Indonesia)

Rangga A. Brahmantio, Mikhail Baturin, Florent Bertini, Jean-Marie Jourdan

Indonesian Petroleum Association

...Qualitative and Quantitative Monitoring of Seismic Quality During Data-Processing for Future Seismic Reservoir Characterization Studies (Sisi-Nubi...

Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon

David McCann

Unconventional Resources Technology Conference (URTEC)

... and zones of disruption near the surface. Pre-Stack Depth Migration Prestack depth migration (PSDM) has been used to gain a better understanding...

Application of fractional Gaussian fractal-based stochastic seismic inversion to F3-Netherland dataset

Srishti Singh, Sreeja Kalyankar, Ajay Malkoti, Nimisha Vedanti

International Meeting for Applied Geoscience and Energy (IMAGE)

... algorithms: SPE Formation Evaluation, 10, 49–55. Srivastava, R. P., and M. K. Sen, 2010, Stochastic inversion of prestack seismic data using fractal...

Q-compensated least-squares reverse time migration by considering velocity and Q perturbations

Jinli Li, Yingming Qu, Chongpeng Huang, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...-attenuated linear Born operator, the Qcompensated adjoint operator, and the Q-compensated gradient equation. Numerical examples on two synthetic data sets...

Improving Stratigraphic and Structural Interpretation of Suban 3D Through Advanced Reprocessing

Safitri Nurida, Irfan Yuliandri Syukri, Ludy Andria

Indonesian Petroleum Association

... Grissik Limited (CPGL) completed a reprocessing project of the 3D seismic data over Suban field. The primary objectives of the reprocessing were...

A New Approach to Effectively Identifying Deep Fan-Delta Sandbodies

Search and Discovery.com