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)

..., mainly for building background velocity as a starting point for FWI. In this paper, we combine the existing routine velocity model building workflow...

Slope estimation of locally coherent events by polarization analysis of multi-component seismic data: Application to stereotomography for sparse node acquisition

Xiaole Zhou, Alessandra Ribodetti, Stephane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismometers can be estimated by polarization analysis. This angular attribute can be used to perform stereotomography, which builds a velocity macro...

Case History Study of Seismic-Driven 3-D MEM Calibrated with 1-D MEMs and Petrophysics in Arkoma Basin, Oklahoma

Vivek Swami, Julio Tavares, Vishnu Pandey, Tatyana Nekrasova, Dan Cook, Jose Moncayo, David Yale

Unconventional Resources Technology Conference (URTEC)

...) was estimated using the following equation: = −( − )∙ _ The normal velocity trend (VP_trend) and the exponent “a” were calibrated during...

Successful Depth Imaging at Banyu Urip Field

Yuki Y. Agulia, Michael Gurch, Sony Mohammad, Bastian Hutahayan

Indonesian Petroleum Association

... velocities. PSDM deliverables include raw and final QPSDM gathers, angle stack volumes, velocities, anisotropy, and Q model, tomostatic velocity, angle mute...

Detection of shallow sedimentary structure of Yigong Lake in Tibetan Plateau using distributed acoustic sensing

Jian Zhou, Jizhong Yang, Heng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... supply due to the power limitation in the field. We show the analysis of four-hour data of a 0.66km-long fiber optical cable using seismic...

Advanced Imaging and Inversion for Oil Production Estimates in Unconventional Resource Plays

Greg M. Johnson, Paul Miller, David Phillips

Unconventional Resources Technology Conference (URTEC)

... observed on the common-image-point offset azimuth gathers are related to azimuthal anisotropy as opposed to overburden effects as shown in Figure 2...

Abstract: Regional Geology of Deep Water Salt Architecture, Offshore Gulf of Mexico, by Abu Chowdhury and Simon Lopez-Mora; #90032 (2004)

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Abstract: Gaussian Beam De-Migration and Re-Migration, by Jianming Sheng and Chengbin Peng; #90105 (2010)

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Using Petroleum Industry 3D Surveys to Improve Understanding of Active Faults: The Palos Verdes Fault in San Pedro Bay, California, by Andrew W. Rigor, Mark R. Legg, Robert J. Mellors, and Robert D. Francis, #40088 (2003).

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Orthorhombic Imaging for Orthogonal Wide Azimuth Surveys in Mississippi Canyon, Gulf of Mexico; #30391 (2014)

Yang He, Adam Gersztenkorn, Sherry Yang, Bin Wang

Search and Discovery.com

... and stratification, in general it improves image focusing in pre-stack depth imaging and provides flatter common image gathers (CIGs) for WAZ data. Recently...

Integrating Rock Physics and Borehole Seismic to Understand the Elastic Changes Associated with CO2 Injections: a REAL-LIFE Example from Southwestern Wyoming

Gabriela D’Aubeterre

Unconventional Resources Technology Conference (URTEC)

... and resolution of the objective of interest. The Rock Physics analysis phase allowed us to model the missing shear velocity log by using known models...

An acoustic wave equation with the gradients of velocity and density

Jianyong Bai, Orhan Yilmaz

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Equation 3 is used for RTM with the Volve OBC dataset. The dataset is sorted to common receiver gathers. We migrate the receiver gathers along...

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

Ricardo C. Rebollo, Mauricio D. Sacchi

Search and Discovery.com

... directions and along common image gathers. Figure 3 is used to compare the solution with minimum norm regularization with that using a priori dip...

Abstract: An Investigation of Seismic Amplitude versus Offset (AVO), Computer Modelling and Field Data from the Kaimiro Field, Onshore Taranaki

Alex McAlpine, Mick Micenko, Derek Woodward, Jonathon Ravens

Petroleum Exploration Society of Australia (PESA)

... the Kaimiro1 (oil) and Kaimiro-4 (gas) well locations suggesting that simple AVO analysis may not be able to discriminate between hydrocarbon types...

AVO and Impedance Response of Perdices Miocene Sands, Lower Magdalena Valley Basin.

Oscar Moreno, Loz Darmon, Fernando Cerda, Anubrati Mukherjee

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... portions of the density log were computed from velocity filled using Gardner’s relation. Similar analyses were run on all wells, but for Well A, which...

The Impact of Pore Geometry and Microporosity on Velocity-Porosity Relationship in Carbonates of Central Luconia, Sarawak; #41030 (2012)

Nor Sara Izzatti Bashah and Bernard Pierson

Search and Discovery.com

... the velocity-porosity relationship. The amount of microporosity is calculated as the difference between the observed porosity in digital image analysis...

Implications of elastic full-waveform inversion for northern Red Sea

Kate Glaccum, Denes Vigh, Kai Wang, Xiaoling Tan, Jennifer Qin, Vivian Robertson, Trevor Ferguson

International Meeting for Applied Geoscience and Energy (IMAGE)

... structural framework. Herein, we present a case study of 6700 km, using elastic full-waveform inversion (FWI) to invert for P-velocity (Vp), to overcome...

High-frequency FWI on Clair OBN dataset Challenges and successes

Matvey Romanenko, Lee Saxton, Dan Davies, James Sheng, Faqi Liu, Jan Gromotka, Yang He

International Meeting for Applied Geoscience and Energy (IMAGE)

... were being driven primarily by the reflection only DM FWI passes. Following thorough analysis of the benchmark data it was determined that the multiples...

Depth conversion and seismic inversion of the Scarborough gas field

Joseph Kremor, Manish Agarwal, Paul Spaans, Ung Sing Wong

Petroleum Exploration Society of Australia (PESA)

... in depth with the depth converted seismic using the velocity model, which was generated using the smoothed 30 Hz FWI model. The ties to the wells were...

Abstracts: Tuning Effects in P-wave Reflections from a CO2 Injected Saline Aquifer: A Preliminary Appraisal; #90173 (2015)

Bernard Giroux, Maxime Claprood, and Lorenzo Perozzi

Search and Discovery.com

..., Calgary, Alberta, Canada, May 9-11, 2011 Figure 3: Common midpoint gathers for CO2 injected models. The particle velocity seismograms were converted...

Interval Velocity Modeling of Celebes Molasse as Post Collision in Banggai-Sula Foreland Basin, Eastern Sulawesi, Indonesia

Anggoro P. Kurniawan, Maikel Arifin, Wahyuni T. Sundari, Sardjito, Nurhadi Budi, Hasan Nurudin

Indonesian Petroleum Association

... between PSTM (post stack time migration), using RMS (root mean square) Velocity, and PSDM (post stack depth migration), using interval velocity, on NW-SE...

Abstract: Geometry Controlled PSDM Tomography; #90300 (2017)

Camilo González, D. Gutierrez, C. Becerra, F. Vivas, N. Espindola

Search and Discovery.com

... of velocity model update through migration velocity analysis (MVA). Usually the velocity model is refined at the end of each cycle of MVA based...

Subsurface Image Comparison between Active Seismic Data and Interferometry Seismic for a Mud Volcano Case in Wringin Anom, East Java

Triswan Madani Ade Surya, Nur Rochman Muhammad, Nathasya Abigail, Firman Syaifuddin

Indonesian Petroleum Association

... data, and virtual shot receiver are processed using seismic reflection data processing work flow. Seismic stack from active source real data has poor...

Seismic Characterisation of Unconventional Plays in North America

Lee Bell, Mary Edrich, Alvaro Chaveste

Petroleum Exploration Society of Australia (PESA)

... of stratigraphic architecture using t radit ional success increases where these factors optimally interpretation tools. Structural analysis using...

Abstract: Full Waveform Inversion of Borehole Data in the Presence of High-Velocity Screens; #91204 (2023)

Ali Aldawood, Andrey Bakulin, Fuqiang Chen

Search and Discovery.com

... preventing seismic energy from travelling to a deeper depth. We also add three low-velocity anomalies to introduce horizontal heterogeneity. 317 shot gathers...