Least-squares reverse time migration for attenuating TTI media

Xinru Mu, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... Depth (km) 0 Figure 1: The implementation workflow for the attenuationcompensated TTI LSRTM. m is the imaging result, LTc is the migration operator...

Stochastic acquisition systems in time-dependent scattering seismic approach

Gennady Erokhin, Maria Erokhina, Alexandre Iakovlev, Kirill Safran

International Meeting for Applied Geoscience and Energy (IMAGE)

...-model building: The Leading Edge, 140–145, doi: https://doi.org/10.1190/tle36020140.1. Whitmore, N. D., 1983, Iterative depth migration by backward time...

Compositional Changes to Gas Migrating through Water-Saturated Rock, #41391 (2014).

Alton A. Brown

Search and Discovery.com

... sampling. Shallow depth also allows measurement of dissolved gas concentrations in the migration pathway from water samples collected in shallow wells...

The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings

Paolo Dell'Aversana

Petroleum Exploration Society of Australia (PESA)

.../interface mode l). It is successively used for improving the time processing work-flow and the depth migration process, including also large offset data...

Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)

Amsalu Y. Anagaw

Search and Discovery.com

.... Min, 2001, Improved amplitude preservation for prestack depth migration by inverse scattering theory: Geophysical Prospecting, 49, 592–606. ˇ ˛...

Extended Abstract: Crustal Interpretation by Gravity, Magnetics, and Seismic Data over the Gulf of Mexico

John Bain, Jason Kegel, Cian O’Reilly

GCAGS Transactions

... Canyon area in the U.S. sector (Fig. 1). Processing to pre-stack depth migration imaging (PSDM), including a full 3D velocity volume, was completed...

FWI imaging of complex subsalt Mesozoic targets from land to shallow waters

Timmy Dy, Minshen Wang, Sabaresan Mothi, Don Dobesh, Shengda Ding, Oscar Andrade, Pablo Ortega, Alfredo Vázquez Cantú, Silvino Domínguez García, Gerardo López Leyva

International Meeting for Applied Geoscience and Energy (IMAGE)

... to achieve the correct phase and amplitude for conventional imaging methods like Reverse-time Migration (RTM). We used Time-Lag FWI (TLFWI) to build...

Numerical Modeling of the Brazilian Offshore Continental Margin … Campos, Santos, Pelotas Basins; #30242 (2012)

R. Zühlke, J. Contreras, S. Bowman, and T. Bechstädt

Search and Discovery.com

... stratigraphic modeling. Iterative batch modeling and sensitivity analyses provide a best-fit numerical model for the current basin configuration. Forward...

Seismic Detection of Overpressuring and Fracturing: An Example from the Qaidam Basin, People’s Republic of China

Robert J. Paul

Southeast Asia Petroleum Exploration Society (SEAPEX)

..., C.J., Lynn, W., Larner, X., and Nguyen, H., 1988, Cascaded F-K Migration: Removing the Restrictions on Depth-varying Velocity: Geophysics, 53, 881–893...

Abstract: Critical Review, Calibration, and Ranking of Popular Velocity-Based Pressure Prediction Models, by Mario A. Gutierrez, Neil Braunsdorf, and Brent Couzens; #90039 (2005)

Search and Discovery.com

Abstract: Strategic Saltwater Disposal Performance Assessments are Improved with Quality Assurance of Texas Regulatory Data;

Casee Lemons

Search and Discovery.com

..., depth intervals, and stratigraphic zones. To characterize and quality assure reported values, we perform a custom-designed method of iterative...

Ultrasound reverse time migration for human brain imaging

Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... for geophysical imaging: Geophysical Prospecting, 59, 794–813, doi: https://doi.org/10.1111/j.1365-2478.2011.00967.x. Whitmore, N. D., 1983, Iterative depth...

Characterization of deep volcanic reservoirs using TFEM, well and seismic data in the LH area

Xiaodong Suo, Weibin Dong, Yuezheng Li, Yanling Shi, Zhanjun Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... reservoir interpretation are studied, which effectively improved the depth resolution and the recognition ability of the reservoir. The research...

Regionally consistent depositional models using data analytics and machine learning: A Gulf of Mexico case study

Arpana Sarkar, Dan Ferdinand Fernandez, Daniel Smith

International Meeting for Applied Geoscience and Energy (IMAGE)

... to initial regional Earth models and increase the likelihood of higher confidence outcomes because of iterative imaging and migration processes. Figure...

DAS noise attenuation using wavelet stack

Zhou Yu, Zhaojun Liu, Ge Zhan, Peng Cheng, Bin Wang, Weihong Fei

International Meeting for Applied Geoscience and Energy (IMAGE)

... without compromising data bandwidth. Wavelet stack consists of two steps, adaptive nonlinear iterative denoise and nonlinear stack. Nonlinear iterative...

Elastic FWI for joint Vp, Vs and density inversion

Peng Shen, Uwe Albertin, Hermes Malcotti, Josh Haataja

International Meeting for Applied Geoscience and Energy (IMAGE)

..., that is that the elastic amplitude and phase changes as a function of angle remain in migrated reflectivity gathers after migration...

Petroleum Origin and Accumulation in Basin Evolution--A Quantitative Model

D. H. Welte, M. A. Yukler

AAPG Special Volumes

.... 37, p. 1954-2026. Illing, V. C., 1938a, The migration of oil, in A. E. Dunstan et al, eds., The science of petroleum, v. 1: London, Oxford Univ...

Petroleum Origin and Accumulation in Basin Evolution--A Quantitative Model

D. H. Welte, M. A. Yukler

AAPG Bulletin

.... C., 1938a, The migration of oil, in A. E. Dunstan et al, eds., The science of petroleum, v. 1: London, Oxford Univ. Press, p. 209-215. Illing, V. C...

Defining a Steeply-Dipping Salt Flank in Mississippi with a New High-Certainty 3D Method

Nicholas Brooks, Pat Donais, Werner Heigl, Jakob Haldorsen, Fred Li

GCAGS Transactions

... salt proximity surveying. The principal method is a two-way vector reverse time migration (RTM) based approach complemented by an energy-scattering...

Two Frontier Basins Come to Light

Ian Davison, Menno G. Dinkelman, Wouter Kool, GEO International Ltd., ION’s G

GEO ExPro Magazine

... was shot and processed by GXT in 2007 and 2008. The seismic line acquisition and Pre-Stack Depth Migration (PSDM) processing are all designed to provide...

The Challenge of Applying New Technologies to Exploration in a Sub Andean Basins

Marcelo Benabentos, Pedro Muñoz, Juan Uribe, Francisco Ortigosa, Dewi Jones

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...) Figure 11. Comparison of Kirchhoff migration images from a 2D line: (a) post-stack depth migration (b) PSTM, (c) PSDM (c) Figure 10. PSTM...

Prediction and removal of internal multiples using an improved CFP approach

Zhiheng Jiang, Yongqiang Yao, Pengzhi Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... matrix, z 0 is the depth of the free surface, and z (or z m ) is the depth of an underground interface. The discrete form of propagation operator X...

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

... prestack depth migration (PrSDM) velocity modeling and imaging were utilized for the study. The paper will describe the benefits of broadband seismic...

Machine learning-based residual moveout picking

Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja

International Meeting for Applied Geoscience and Energy (IMAGE)

...) in depth migrated seismic gathers provides information on the accuracy of the migration velocity model (Woodward et al., 1998; Adler et al., 2008...

Pushing the boundary of WAZ streamer data for subsalt imaging: A case study in deepwater Mexico Campeche

Yi Chen, Kendra Pyke, Juan Wang, Jasmeen Moubarak, Earl Manning, Jessica Kopp, Rongzhang Chen, Chang Chen, Ravi Kumar, Minshen Wang, Sabaresan Mothi

International Meeting for Applied Geoscience and Energy (IMAGE)

... and migration artifacts, limiting its use to provide insights into the iterative model updates and migration QCs. Another recent technology development...