Statistical depth imaging through complex cluttered near-surface with path summation

Andrey Bakulin, Ilya Silvestrov, Maxim Protasov

International Meeting for Applied Geoscience and Energy (IMAGE)

... for imaging is generated by computing zero-offset seismic data via acoustic finite-difference modeling based on exploding reflector concept (Figure...

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)

... of illumination from survey geometries which is valid in most of the cases. Finite difference acustic modeling will provide more accurate and realistic results...

Consideration to Data Driven Solutions for the Acquisition of New Marine 3D Seismic Data

Julie Willmore, Brad Torry, Henrik Roende, Chris Egger, Adriana Thames

GCAGS Transactions

... study was conducted using 3D ray based modelling (NORSAR™) with unrestricted offsets and azimuths and 2D finite difference modelling of various cable...

Application of phase stabilization Q migration in comprehensive evaluation and identification of tight-reservoir

Yi Bao, Hai-Bo Zhao, Xu Liu, Xiao-Wei Guan, Xin-Yue Song, Cheng Wang, Zai-Jin Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...) solves the eikonal equation using a new finite difference scheme in the traditional FMM.    r    ( rE )  1 v ( x , y , z ) ( x  xs ) 2  ( y...

Abstract: Understanding the Regional Hydrodynamics in the Normal and Sub-hydrostatic Regimes of the Canadian Rockies Foreland Basin, Alberta; #90172 (2014)

Abhijit Mukherjee, Steven Lyster, Sheila Stewart, Benjamin J. Rostron

Search and Discovery.com

... mapped and discretized in a 3-D finite difference grid cumulatively using >106 data points (Figure 1a, b). Data for groundwater head (n = 70600...

2-D and 3-D Prestack Depth Migration for Complex Geologic Structures Offshore Indonesia

M. Murphy, R. Ottolini, R. Estill, E. Lumadyo, M. Mathias

Indonesian Petroleum Association

... proprietary 3-D prestack depth migration application (KZMIG). KZMIG uses a dynamic ray tracing method rather than the Vidale finite-difference method to compute...

Fluid Overpressures and Decollements in Source Rocks … Application of Thermo-mechanical Models to the Subalpine Chains,

Josselin Berthelon, William Sassi, Evgueni Burov

Search and Discovery.com

...., 2014). Insight from Mechanical Modelling FLAMAR is a hybrid finite‐element/finite difference code. It solves simultaneously Newtonian equations...

Abstracts: Microseismic Event Models from Finite-differencing with Corrections; #90173 (2015)

Peter M. Manning

Search and Discovery.com

... Peter M Manning* CREWES project, University of Calgary [email protected] Summary Finite-difference elastic modeling is suggested as a means...

Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

..., Migration by Fourier transform: Geophysics, v. 43, p. 23-48. Stolt, R.H. and A.K. Benson, 1986, Seismic Migration: Theory and Practice...

History of Hydrocarbon Generation in the Tembungo Field, Offshore Northwest Sabah

Mohammad Jamaal Hoesni, Mohd Nasir Che Mood

Geological Society of Malaysia (GSM)

... generation and migration has been studied using a two-dimensional finite difference basin modelling approach. Backstripping exercises suggest that high...

A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil

Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... dependent on the choice of the de-migration operator. In practice, if only image-domain LSRTM is intended, simple derivations below show...

Three-Dimensional Seismic-Reflection Techniques

Hermann Buchholtz

Circum Pacific Council Publications

... as a splitting approach, using finite-difference techniques, or we perform the 3-D migration as a two-step approach, using any type of conventional...

Abstract: Imaging Oblique Reflectors with Prestack Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

...., 1987, Cascaded migrations: Improving the accuracy of finite difference migration, Geophysics, Vol. 52 p. 618 – 643. Rothman, D. H., Levin, S.A....

Rapid Field-Scale Well Spacing Optimization in Tight and Shale Oil Reservoirs Using Fast Marching Method

Atsushi Iino, Tsubasa Onishi, Feyi Olalotiti-Lawal, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

...-based simulation workflow and 3-D finite difference simulation. Next we apply our optimization strategy to obtain the optimal well spacing while...

Abstract: Time Domain Least-squares Prestack Migration; #90172 (2014)

Ricardo C. Rebollo, Mauricio D. Sacchi

Search and Discovery.com

... with the finite difference method from the reflectivity model in Figure 1a. Figure 2a is the PSTM image obtained by standard pre-stack time domain Kirchhoff...

ABSTRACT: Reservoir Performance Prediction Methods Based on Fractal Geostatistics, by A. S. Emanuel, R. A. Behrens, T. A. Hewett, and G. K. Alameda; #91030 (2010)

Search and Discovery.com

Advanced Methods to Build Complex Earth Models for Seismic Modeling

Search and Discovery.com

Modeling of Electromagnetic Response on Rugged Seafloor by Using Finite-Difference Method

Search and Discovery.com

A stable TTI acoustic wave equation

Linbin Zhang, Edose Ohen

International Meeting for Applied Geoscience and Energy (IMAGE)

...) The finite difference method is used to compute the spatial partial derivatives in (18) and (19). For example, 𝜕𝑃 𝜕𝑥 = 𝑃(𝑥+∆𝑥)−𝑃(𝑥−∆𝑥) 2...

Groundwater Modeling

Uriel Oko

Special Publications of SEPM

..., were developed by W. C. Walton in 1989 (Walton, 1989b) and are distributed by Lewis Publishers, Inc. These programs solve large sets of finite difference...

Marchenko-based internal multiple attenuation feasibility analysis for a thin-layered media in ultra-shallow water OBN from offshore Middle East

Frederico Xavier de Melo, Suyang Chen, Luis Salinas, Shotaro Nakayama, Nozomi Yamamoto

International Meeting for Applied Geoscience and Energy (IMAGE)

... synthetic data through finite-difference modeling. The seismic modeling adopted in this study starts from a 2D finite-difference synthetic simulation...

Implementation aspects of elastic FWI and its application to sparse OBN surveys

Cosmin Macesanu, Faqi Liu, Yi Huang, Hao Hu, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

... manifested as a change in velocity in a direction perpendicular to the interface. This effect is proportional to the finite difference (FD) grid size...

Abstract: Seismic Imaging near and within the Basement Offshore Malaysia; Including Comparisons of Imaging Algorithms (Geophysics Paper 19)

Nabil El Kady, M. Shah Sulaiman, Zabidi M Dom, Tang Wai Hoong, Lee Mei Lu, Pavel Vasilyev, Martin Bayly

Geological Society of Malaysia (GSM)

... Finite Difference model was constructed with similar reflector geometry and velocities. This model produced a similar event on the raw model gathers...

Theoretical Investigation of Water Blocking in Unconventional Reservoirs Due to Spontaneous Imbibition and Water Adsorption

Lichi Deng, Michael J. King

Unconventional Resources Technology Conference (URTEC)

...) or finite difference approach (Schmid et al. 2016). We have proposed an improved finite difference approach in one of our previous papers...

Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)

Waheduzzaman Talukder and Ralph Phillip Bording

Search and Discovery.com

... have been generated on different layered earth media by using elastic finite difference modeling. Vertical seismic profile (VSP), plays an important...