Azimuthal AVO Gradient Anisotropic Analysis on Prediction of Fractures on Barnett Shale

Shiguang Guo, Bo Zhang, Tengfei Lin, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

... approach to Kirchhoff prestack migration that sorts output by the azimuth of the average travel path fro m surface midpoint to subsurface image point...

Reservoir properties estimation using MAZ towed multisensor streamer seismic: A Norwegian case study

Cyrille Reiser, Roberto Ruiz

International Meeting for Applied Geoscience and Energy (IMAGE)

... the azimuths into a single 5D dataset prior to Kirchhoff Pre-Stack Depth Migration (KPSDM). The Titled Transverse Isotropy (TTI) velocity model was obtained...

Applications of near-field hydrophone data imaging in a shallow water environment: A case study from offshore Egypt

Mahmoud El-Attar, Omar Hossam, Azat Kireev, Arindam Kanrar, Usama Fathy Abdel-Kader, Kai Zhang, Jacob Deeds, Jordan Hassler

International Meeting for Applied Geoscience and Energy (IMAGE)

... the NFH data were run through 3D Kirchhoff pre-stack depth migration (KPSDM) to obtain a highresolution shallow subsurface image near to the seafloor...

Addressing the complex near-surface challenges in the Delaware basin through recent FWI advancements

Ali Mohamed, Dmitry Kulakov, Daniel Suren, Wilfrid Milan, Larry Holifield, Vasudhaven Sudhakar

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Kirchhoff depth migration (KDM) was run using the models with and without the FWI updates. This allowed us to evaluate the additional value that FWI brought...

Sparse OBN acquisition in shallow water at CCS Sleipner field: The role of multiples in FWI

Sandrine David, Eddie Cho, Graeme Stock, Fons ten Kroode, M.A.H Zuberi

International Meeting for Applied Geoscience and Energy (IMAGE)

... Kirchhoff depth migration using the two different velocity models. Figure 2 compares CIGs for both cases. The red arrows marked on the gathers indicate...

Iterative 3D deterministic and data-driven multiple attenuation for deep-water OBN in the Campos Basin

Thais Sales, Frederico Xavier de Melo, Joel Monteiro, Dmitri Skorinski, Shady Attia, Mohammad Ghazey, Marcella Braga, Etory Sperandio, André Ferreira, Moacyr Bezerra, Thiago Costa

International Meeting for Applied Geoscience and Energy (IMAGE)

... and data-driven model, and then simultaneously matching prior subtraction from the recorded data. Results Kirchhoff pre-stack depth migration (KDM...

A new surface-line method for 5D interpolation of orthogonal surveys

Charles Ursenbach, Beng Seong Ong, David Wilkinson

International Meeting for Applied Geoscience and Energy (IMAGE)

... preserve structure during regularization, and serve as a useful preconditioner for Kirchhoff migration, amplitude analysis, etc. The MWNI algorithm above...

Seismic Reflection Imaging with Active Sources and Microseismic Events Recorded on Horizontal DAS Cables

David Langton, Dan Kahn, Brian Fuller

Unconventional Resources Technology Conference (URTEC)

... Kirchhoff migration type of an approach in which the velocity field for the downgoing part of the raypath would be determined by travel time...

Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia

Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani

Indonesian Petroleum Association

... velocity model for FWI was derived from a prestack time migration velocity that was converted to a depth interval velocity with smoothing applied. Water...

Prospect Identification Using AVO Inversion and Lithology Prediction

Brad Bailey, Frazer Barclay, Robert Nesbit, Andrea Paxton

Petroleum Exploration Society of Australia (PESA)

... 'inversion f riendly' data Gas Sand Probability Cube processing flow was implemented, including full cu rved ray Kirchhoff 3D anisotropic PreSTM (pre...

Abstracts: Color Correction for Gabor Deconvolution: A Test with Field Data; #90173 (2015)

Peng Cheng, Gary F. Margrave, David C. Henley

Search and Discovery.com

..., stacking, poststack Gabor decon, and Kirchhoff time migration. For the plain Gabor deconvolution case, both prestack and poststack deconvolution were...

Abstracts: Seismic Anisotropy of the Marcellus Shale: Feasibility Study for Fracture Characterization; #90173 (2015)

James Gaiser, Alvaro Chaveste, Mary Edrich, Tony Rebec, and Richard Verm

Search and Discovery.com

... can be determined from common-receiver gather (CRG) stacks or prestack time migration (PSTM) image gathers of offset-vector tile (OVT) data. Vertical...

Regional Gravity and Magnetic Interpretation over East Coast-Pegasus Basin, New Zealand; #30437 (2015)

P.S. van Heiningen, L. De Luca, I. Guerra, S. Panepinto, K. Hayo, S. Klug, M. Uzcategui Salazar

Search and Discovery.com

... a qualitative comparison with KPSTM (Kirchhoff Pre-Stack Time Migration) stacks. At this level, the correspondence between the lateral position of the gravity...

Application of Simultaneous Inversion and Geomechanical Facies in the Characterization of an Unconventional Play, #41940 (2016).

S.A. Cuervo, H. Malcotti

Search and Discovery.com

... Deconvolution Velocity Analysis/Static Corrections Noise attenuation Interpolation Pre-Stack Time Migration (Kirchhoff) RNMO Synthetic AVO calibration...

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... field w is adjusted to reduce misfit at each iteration. The final velocity model is then used for time migration and Kirchhoff depth migration to view...

ABSTRACT: Application of Geochemical Modeling to Formation Damage with an Example from South Texas, by A. C. Riese, W. C. Riese, and J. P. Laplante; #91030 (2010)

Search and Discovery.com

Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation, Ferreira, Patrícia P.; Cetale Santos, Marco Antonio; Landau, Luiz, #90100 (2009)

Search and Discovery.com

ABSTRACT: Seismic Modeling with One-Way Wave Equation, by Jiao, Jianwu; Saleh, Saleh M.; Verschuur, Eric; #90141 (2012)

Search and Discovery.com

Perdido Reimaging: Overview of Model Building and Imaging Challenges and Solutions

Search and Discovery.com

Attribute Analysis and Morphologic Evaluation of an Incised Valley System in the Santos Basin, Brazil

Search and Discovery.com

Abstract: Integrating Geophysics and Geology for Improved Seismic Imaging to Extract the Best From Legacy Acquisition … A Case Study From Ultra-Deep-Water Lower Congo Basin, Angola; #90310 (2017)

Sugandha Tewari, Merigon S. Jarvis, Andrew Furber, Grzegorz Chrustek, Deepak Rathee, James Bailey, Katarzyna Pisaniec, Kelly Mistry, Clara Abu

Search and Discovery.com

... and complex salt modelling, using both Kirchhoff and reverse time migrations for the most appropriate images, produced greatly superior results compared...

Best Practices for Sub

Search and Discovery.com

Elastic full-wavefield inversion for presalt carbonate reservoir characterization in offshore Brazil

Young Ho Cha, Partha Routh, Olivier Burtz, Valeriy Brytik, Ratnanabha Sain, Jeffrey Sitgreaves, Jay Barr, Dez Chu, Michael Passarello

International Meeting for Applied Geoscience and Energy (IMAGE)

...) Vp/Vs (b) Figure 4: Kirchhoff migration gathers with the FWI initial model (a) shown in Figure 3(a) and the final model of Stage 1 with FWI (b) shown...

Diving Deeper to Reveal Hydrocarbon Potential in the Barents Sea

Sören Naumann, Rune Sakariassen, PGS

GEO ExPro Magazine

... marine sands ECISE ES PR VEL Seismic section (initial fast track Kirchhoff prestack depth migration) extending from the Finnmark Platform...

Application of distributed fiber optic and borehole-surface jointly acquired seismic data in high-resolution processing of conventional seismic

Zhanqing Yu, Cheng Wang, Miao Kun

International Meeting for Applied Geoscience and Energy (IMAGE)

... relatively accurate anisotropic velocity field for surface seismic migration processing. 2. VSP imaging technology For Walkaway-VSP or 3D-VSP data...