Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

... to see what can be done to acquire data that gives a better image of the subsurface. Examples of what has been tested include: i. Different source depths...

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

... to see what can be done to acquire data that gives a better image of the subsurface. Examples of what has been tested include: i. Different source depths...

Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset

Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... accuracy from shallow to deep (Figure 5). Figure 5: The common image gathers after (a) the first - (f) sixth characteristic reflectors layer-stripping...

Norwegian Sea: Deep Penetration

GEO ExPro, Fugro

GEO ExPro Magazine

... often fail to provide a confident image. New long offset (10 km) and long record length (10 s twt) data acquired offshore mid Norway has generated new...

Measuring seasonal velocity variations on an urban DAS array

Jihyun Yang, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... can convert the ambient seismic signals into crosscorrelated virtual shot gathers containing subsurface information. We present a case study using...

Abstract: Imaging of the Valhall Field, Norway, Using 4-C Seismic Data, by C. Rodriguez-Suarez, R. R. Stewart, X. Li, and J. C. Bancroft; #90933 (1998).

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Estimating CO2 saturation maps from seismic data using deep convolutional neural networks

Zi Xian Leong, Tieyuan Zhu, Alexander Y. Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

... substitutions are used to remotely image the CO2 plume dynamics (Zhu et al., 2019). More specifically, time lapse seismic monitoring is used by continuously...

Acquisition and processing of the first broadband 3D marine vibrator data in the North Sea

Arash JafarGandomi, Kara Howard, Sebastian Holland, Tiexing Wang, Sergio Grion, Thomas Elboth

International Meeting for Applied Geoscience and Energy (IMAGE)

... gathers based on the nominal source-point locations. In this stage it is important to ensure enough record length is considered for the gathers due...

Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)

Emil Blias

Search and Discovery.com

... in the overburden. Not only do they reduce post-stack image quality, but also create large differences in stacking velocity behaviour for deep seismic reflectors...

Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data … A First Example from Malaysia

Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge

Indonesian Petroleum Association

... of lateral variability in the velocity model, full anisotropy can be accounted for, and angle gathers can be created to assist with velocity model...

Improving fault resolution from multiple angle stacks by latent feature analysis with deep learning

Fan Jiang, Konstantin Osypov

International Meeting for Applied Geoscience and Energy (IMAGE)

... of anisotropy by collecting data at different angles. Liu et al. (2011) introduced a local similarity to stack angle domain common image gathers...

Overcoming signal processing challenges on a deep-water sparse OBN survey: A case study from the Gulf of Mexico

Matthew Salgadoe, Nigel Seymour, Hongyan Li, Di Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... suppression flow, respectively. When these data are imaged with a revised earth model from full-waveform inversion the resulting image shows improvements...

Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)

Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng

Indonesian Petroleum Association

... The offshore Mahakam Delta is well-known for its gas pockets trapped at shallow depth (<400 meters), causing severe degradation of the seismic image...

Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)

Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto

Search and Discovery.com

.... In PSDM cube, pull up effect caused by Carbonate was resolved and image quality in target was significantly improved, and CRP gathers that was sensitive...

Abstract: 3D Seismic Imaging in the Pakistan Foothills: A Case History; #90172 (2014)

Victor Dolgov, Rob Vestrum, Jon Gittins, Géza Wittman

Search and Discovery.com

...) full migrated section for each control line and (2) migrated image gathers for each analysis point along the control lines. Figure 3: Interactive PSTM...

Bridging the gap: Deep learning on seismic field data with synthetic training for building Gulf of Mexico velocity models

Stuart Farris, Robert Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

...’s performance in mapping seismic shot gathers to their corresponding low wavenumber velocity models. Further, these individual 2D predictions were...

Analysis of the Hydrocarbon Sandstone Distribution Using Rock Physics and Petrophysics Calculations, Simultaneous Inversion, Extended Elastic Impedance (EEI) and Curved Pseudo-Elastic Impedance (CPEI) in X Field Bonaparte Basin

Alfan Hidayah Kusuma, Meta Nisrina Syafitri, Zakki Fahrurrozi

Indonesian Petroleum Association

..., and density. Before carrying out simultaneous inversions, first a partial angle gathers and partial angle stacks are generated. The generating of partial...

Exploring naturally fractured reservoirs: A case study

Anand Prakash, Manayer Al-Abdullah, Abu Ghneej Ali Faleh Naser, Al-Otaibi Talal Mutlaq Mohammed, Bhaskar Chakrabarti, Rinaldi Mulyono, Vishnu Chilumuri, Al-Meshilah Thuwaini, Talal F. Al-Adwani, Amar Nada Mohamad Amar, Al-Otaibi Ahmad Homoud

International Meeting for Applied Geoscience and Energy (IMAGE)

... specularity gathers were used as special directivity filters for “separating” in-situ reflection and diffraction events. The specular image generated...

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

... subsurface image because of seismic shot gathers resulting from field acquisition that has low quality caused by dry soil. Nevertheless, interferometry...

S-Wave Analysis of Fracture Systems, by Bob A. Hardage and Michael V. DeAngelo, #40227 (2006).

Search and Discovery.com

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

.... The fundamentals of the curvelet-based technique are already relatively popular in image processing and scientific computing. In the geophysics area...

Improve Kirchhoff depth imaging using full-wave-equation traveltimes

Yongzhong Wang, Yang He, Alex Yeh, Faqi Liu, Bin Wang, Carlos Caldern

International Meeting for Applied Geoscience and Energy (IMAGE)

...) and 3(d) compare the corresponding Common Image Gathers (CIGs) at the same locations indicated by the six vertical red lines in Figures 3(a) and 3(b...

Regularization strategies for Seis2Rock-based petrophysical inversion of prestack seismic data

Miguel Corrales, Juan Romero, Nick Luiken, Hussein Hoteit, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... functions from synthetic AVO gathers generated from elastic well logs. These carefully derived functions are then used to transform seismic pre-stack data...

Successful Depth Imaging at Banyu Urip Field

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

Indonesian Petroleum Association

... for PSTM imaging in 2002. A 100 km2 subset of the data was PSDM reprocessed in 2007 to better image the carbonate interval. Although there was data...

Recovering Subsurface Coverage in the Emerging Smackover Brown Dense Unconventional Play in Northern Louisiana, #80515 (2016).

Richard Verm

Search and Discovery.com

... Cascading during Workflow Shot  Gathers     +   Geometry   +   Spherical  Divergence  Correc8ons   Pre-­‐Deconvolu8on   MBNA...