A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation

Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang

Indonesian Petroleum Association

... 3D registration for the deep part together with epsilon and delta from the last iteration, the PS data was re-migrated to 100m x 50m grids...

What Are You Interpreting? Your Seismic Image Could Be Misleading You!

R. T. Newrick, E. P. Gomez, J. K. Pullishy, S. D. Jensen, J. M. de Armas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... are applied and the data ready for interpretation. If the stack and gathers are not considered to be reasonable then iteration is required. As seismic...

Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell

Search and Discovery.com

... sections are a better match to the real data. Central North Sea Real Data Example We demonstrate the non-iterative, single-iteration, visco-acoustic...

High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study

Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc

Indonesian Petroleum Association

... an anisotropic prestack time migration workflow and in 2006; a subset of the data was further processed using anisotropic pre-stack depth migration...

A deep learning-based inverse Hessian for full-waveform inversion

Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... waveform seismic data. Due to its large computation cost, most flavors of FWI rely only on the computation of the gradient of the loss function...

Analysis of rank-reduction methods for filtering and interpolation

Rafael Manenti, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... that in each iteration, we preserved the observed data, and we populated empty grid points with the CUR approximation of the data obtained...

Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation

William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... applications of Prestack Depth Migration -PSDM-. (2) Using the horizon and interval velocity model obtained by PSDM, we built a structural model on which...

Research and application of Intelligent high resolution processing method based on ISTA-Net

Huahui Zeng, Qin Su, Sanyi Yuan, Lide Wang, Yanwu Xu, Huijie Meng, Deying Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... are difficult, so it is urgent to study the highresolution processing method of deep thin reservoir. In view of the limited frequency band of seismic data...

5D Interpolation Adds Value at the Drill Bit for a Texas 3D Seismic Survey

K. Rene‘ Mott, William Keller, Mike Perz

GCAGS Transactions

...) Often there are cases where acquiring newer seismic data is either difficult or not cost effective. The geophysicist then looks to reprocessing with newer...

Abstract: Successful Imaging Below Salt: Technique and 2 Case Histories, by R. Marschall, H.-J. Zoch, C. Henke, M. Krieger, and F. Kockel; #90923 (1999)

Search and Discovery.com

Challenges of Sub-Thrust Imaging Using Broadband Three-Dimensional Seismic Data: a Case Study in the Outer Banda Arc, Indonesia

Masamichi Fujimoto, Yonghe Guo, Anky Fatwa, Yuki Sasaki

Indonesian Petroleum Association

... the image of the sub-thrust structure significantly compared with conventional prestack time migration data. The results of a fast-tracked 3D...

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

... varying from 6 m at the near offset to 40 m at the far offset. Seismic data were processed independently through a standard prestack Kirchhoff depth...

Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

... of seismic data prediction and gradient calculation. Various efforts from different perspectives have been expended to reduce the computational costs...

A practical implementation of data-space Hessian in the time-domain formulation of source extended full-waveform inversion

Gaoshan Guo, Stephane Operto, Ali Gholami, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

...-equation and the data-equation constraints (b0 = b∗ and d0 = d∗ ). Heres s s s after, we remove the dependency of the variables to the iteration number...

East Coast Canada: So How Difficult Could a 3D PreSDM Be?

Ali Karagül

Search and Discovery.com

... velocities below. This methodology was also used to update everything below the Base Cretaceous. After each iteration, the data was converted back...

East Coast Canada: So How Difficult Could a 3D PreSDM Be?

Ali Karagül

Search and Discovery.com

... velocities below. This methodology was also used to update everything below the Base Cretaceous. After each iteration, the data was converted back...

Extended Abstract: Revitalizing an Old Field—Main Pass 73—Gulf of Mexico Shelf

Ross Saunders, Ahmed Ammar, Chuck Henry, Tim Wilkinson, Mike Frismanis, Mike Bradshaw, Jeff Codd, David Kessler

GCAGS Transactions

..., was drilled in 2011 into a series of sand layers that were not imaged on any previous prestack time migrated (PSTM) data. Onyx initial production rate...

South Halfway 3D: An example of a challenging onshore acquisition and subsequent processing and a unique way of performing a prestack elastic inversion on a difficult dataset

Marianne Rauch, Doug Brost, Hassan Odhwani, Aravind Nangarla, Adriana Gordon

International Meeting for Applied Geoscience and Energy (IMAGE)

...South Halfway 3D: An example of a challenging onshore acquisition and subsequent processing and a unique way of performing a prestack elastic...

Application of Advanced Depth Imaging Technology in Shallow Water Offshore Indonesia

Michael Gidding, Suyang Chen, Steven Wiseman, Moch Asrori, Richard Bolton

Indonesian Petroleum Association

... on the reflection response (in terms of both amplitude and continuity) of the data quality beneath them. The poor data zones are considered...

Fast self-supervised learning for reconstruction of 3D seismic data

Yinshuo Li, Wenkai Lu, We Cao

International Meeting for Applied Geoscience and Energy (IMAGE)

... the input data and target labels, B stands for Bernoulli sampling. The masks of the target labels and the input data are randomly given at each iteration...

Abstract: Strategies to Include Geological Knowledge in Full Waveform Inversion; #90255 (2017)

Siddharth Sharma, Dries Gisolf, Stefan Luthi, Runhai Feng

Search and Discovery.com

... of Technology Abstract One of the important challenges in seismic inversion is to resolve finer structures from band-limited seismic data. Reservoir...

Seismic Imaging Improvements in the Bolivian Fold-and-Thrust Belt Through Psdm

A. Rocha, J. Subia

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

.... 263-269 Rajasekaran, S., McMechan, G. A., 1995, Prestack processing of land data with complex topography: Geophysics, 60, p. 1875-1886. Rocha1, A., Pereira...

Statistical Characterization and Geological Correlation of Wells Using Automatic Learning Gaussian Mixture Models

David, Lubo, Vikram Jayaram

Unconventional Resources Technology Conference (URTEC)

... to quantitative seismic interpretation. Ties using a poststack or prestack convolution model are routine, while supervised classification tying well data...

Abstract: Illumination Compensation Effect of Least Squares Migration on Seismic Imaging; #91209 (2025)

Wang Binggang, Ding Chengzhen, Yu Ming, Wu Xiaofeng, Chen Xin, Song Jiawen, Gao Jiangtao, Shen Yang, Chen Yingpeng, Qi Qunli, Zhaomin, Wang Xi, Kang Xupeng

Search and Discovery.com

... reliable data for geological structure interpretation and well placement. However, as exploration depths increase and lithologic oil and gas reservoirs...

A new reverse time migration denoising method based on diffusion filtering with X-shaped denoising operator

Chongpeng Huang, Yingming Qu, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... Li, China University of Petroleum (East China) Summary Prestack reverse time migration (RTM) is considered to be an accurate imaging method and has...