Analysis of the impact of demigration on traveltime-based reflection full-waveform inversion

Hong Liang, Houzhu (James) Zhang, Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

...Analysis of the impact of demigration on traveltime-based reflection full-waveform inversion Hong Liang, Houzhu (James) Zhang, Hongwei Liu Analysis...

Gas hydrates characterization in the southern Hikurangi margin using full waveform inversion

Search and Discovery.com

Simultaneous Joint Inversion of Seismic, Magnetotelluric and Gravity in a Sub-Volcanic Reservoir

Muhammad Irsyad Hibatullah, Maulana hutama Rahma Putra, Firman Syaifuddin Akbar, Dwa Desa Warnana, Fahrenzy Yona Aisha

Indonesian Petroleum Association

... process carried out simultaneously between the gravity, magnetotelluric, and Traveltime Tomography methods so that all methods are correlated with each...

Traveltime tomography and efficient physics-informed Bayesian inversion

Tian Qiao, George Turkiyah, Gerard T. Schuster

International Meeting for Applied Geoscience and Energy (IMAGE)

...Traveltime tomography and efficient physics-informed Bayesian inversion Tian Qiao, George Turkiyah, Gerard T. Schuster Traveltime tomography and ef...

3-D High-Resolution Reservoir Characterization from Crosswell Seismic Data

John Washbourne, Kenneth Bube

West Texas Geological Society

... interpolation. Bube, K. P., and Langan, R.T., 1994, A continuation approach to regularized traveltime tomography: 64th Ann. Intl. Mtg., Society Exploration...

High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia

Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree

Indonesian Petroleum Association

... difficulties for conventional raybased reflection travel-time tomography. Figure 3 - Initial velocity and refraction energy penetration analysis (Depth...

An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement

Andy Furniss

Petroleum Exploration Society of Australia (PESA)

... how the error in traveltime at reflection point A is the result of an accumulation of errors, X.1ti, within each layer where the ray has travelled...

An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement

Andy Furniss

Indonesian Petroleum Association

... is determined and used as input to tomography. Figure 12. Schematic showing how the error in traveltime at reflection point A is the result of an accumulation...

Abstract: Feasibility Testing of Time-lapse Seismic Monitoring with Full Waveform Tomography; #90171 (2013)

Chad Hogan, Ken Hedlin, Gary Margrave, and Michael Lamoureux

Search and Discovery.com

... Waveform tomography represents a natural extension of the concept of standard traveltime tomography. In this approach, the whole waveform...

Abstract: Seismic Imaging of the SW South China Sea Deep Crustal Structure shows Evidence for a Ductile Lower Crust during Rifting; #90236 (2015)

M. Delescluse, T. Pichot, N. Chamot-Rooke, M. Pubellier, Y. Qiu, G. Sun, J. Wang, and J.-L. Auxietre

Search and Discovery.com

.... A traveltime tomography inversion was first performed to obtain a 2-D velocity model of the crustal and upper mantle structures (Figure 2). Ray coverage...

Imaging Complex Structures in Colombia … Full Wave Equation Migration Approach

Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... traveltimes. By performing a nonlinear traveltime tomography (Zhang and Toksoz, 1998) applied to picked first-arrival times, we estimated a final...

Practical considerations for computing the kernels of reflection-based full-waveform inversion

Houzhu (James) Zhang, Hong Liang, Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... potentially increase the resolution of the velocity tomography in reflection-based full waveform inversion (RFWI). However, procedures for pre-processing...

Abstract: Reflection Full Traveltime Inversion in the Image Domain; #90319 (2018)

Yue Ma, Tong W. Fei, Yan Wu, Yi Luo

Search and Discovery.com

...Abstract: Reflection Full Traveltime Inversion in the Image Domain; #90319 (2018) Yue Ma, Tong W. Fei, Yan Wu, Yi Luo AAPG Datapages/Search...

S-wave velocity model building using PP-PS tomography with dynamic warping

Terence Krishnasamy, Ronaldo Florendo, Aravind Nangarla, Carsten Udengaard, Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 2001, PP- and PS-traveltime reflection anisotropic tomography on a case study: 63rd Annual International Conference and Exhibition, EAGE, doi: https...

Premigration attenuation analysis and mapping to image domain by weighted migrations

Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan

International Meeting for Applied Geoscience and Energy (IMAGE)

... to 100ms reflection event spacing in time. One-way transmission. According to equation (4), traveltime 𝑡 is a strictly monotonic function of the ray path...

Enhanced ray-based tomography method

Jonathan Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... REFERENCES Jin, H., I. Ahmed, C. Asimakopoulos, and R. Johnston, 2017, Reliable picking of residual moveouts for reflection tomography: 87th Annual...

The impact of seismic nodes on enhancing subsurface imaging for mining „ A case study over the Tamarack Nickel field

Eamonn Murray, Andrew Stone, Celina Giersz, Amine Ourabah, Brian Bengert

International Meeting for Applied Geoscience and Energy (IMAGE)

... is not evident in the refraction tomography model (Figure 8). Simple depth-stretching of the seismic reflection stack image using the refraction tomography...

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

... for the success of any FWI due to the coupling between velocity and anisotropy. In this paper, joint reflection and refraction tomography (Allemand et...

Abstract: Gas-Hydrates - A Major Future Fuel Of India; #90315 (2017)

Kalachand Sain

Search and Discovery.com

... the signatures of gas-hydrates in Krishna-Godavari (KG), Mahanadi and Andaman basins. Various seismic attributes like the reflection strength, blanking...

Abstract: Near Surface and Anisotropy Modeling Strategies for Fast-Track Land Depth Imaging; #90319 (2018)

Ernesto Sandoval-Curiel, Daniele Colombo

Search and Discovery.com

...-resolution helicopter-borne transient electromagnetic data was utilized to constrain seismic traveltime tomography through cross-gradient structural...

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)

... semiautomatic picking of locally-coherent events (LCEs), was proposed as an alternative to conventional reflection traveltime tomography to estimate...

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

... traced reflection tomography and used this “final tomo” model update as the starting model for FWI. For each dataset, we performed four frequency...

Model of Near-Surface Velocity, Southern San Joaquin Valley, California, by James G. Ferry; #91024 (1989)

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Velocity model building from 3D surface seismic data at the Utah FORGE EGS site

Yun-Ha Jung, Nori Nakata, Sea-Eun Park, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

...). The model size for traveltime tomography is 5.5 × 4.48 × 2 km3. We use 200 shots (among total 1,106 shots) and 1,741 receivers. We update Pwave velocity...

Application of wave-equation reflection traveltime inversion to the Liwan deep-water streamer data in the South China Sea

Yilin Wang, Liangguo Dong, Chao Huang, Jianming Zhang, Yuzhu Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

...Application of wave-equation reflection traveltime inversion to the Liwan deep-water streamer data in the South China Sea Yilin Wang, Liangguo Dong...