Leveraging Reflection, Refraction, and Multiple Arrivals from Dual-Sensor Streamer Data for High-Fidelity Velocity Model Building and Imaging

G. Rønholt, J.E. Lie, Ø. Korsmo, B. Danielsen, S. Brown, S. Brandsberg-Dahl, A.V. Mavilio, N. Chemingui, D. Whitmore, M. Farouki

Indonesian Petroleum Association

... reflection angles than primaries, as we now have virtual sources along all receiver lines, not just the sparser shot lines. In shot profile wave equation...

Elastic AWI and RWI in the Santos Basin

Tenice Nangoo, Nikhil Shah, Adrian Umpleby, John Armitage, Mike Warner, Gustavo Catao Alves, Andre Bulcao, Analena Mileo Camara de Oliveira

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion can be much more expensive than acoustic inversion, partly because the associated vector wave equation involves more variables, partly...

Elastic reverse time migration with more than pressure data

Denes Vigh, James Xu, Xin Cheng, Zongcai Feng, Bing Bai

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Following Kamath and Tsvankin (2016), the general elastic wave equation for heterogeneous arbitrary anisotropic media can be expressed as: 𝜌 𝜕2...

Research and application of shallow surface wave prediction attenuation in dual complex mountainous exploration areas

Xinyue Song, Zaijin Zhang, Yi Bao, Cheng Wang, Zhonghua Zhao, Yangyang Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the boundary condition equation into the form of transfer matrix multiplication, the problem of solving the elastic wave equation is simplified into a zero...

Uncertainty analysis of full-waveform velocity inversion

Kai Yao, Han Yin, Lian Duan, Yu Zhang, Feng Chen, Huili He, Mourad Khdhaouria, Lamia Rouis

International Meeting for Applied Geoscience and Energy (IMAGE)

... for each sampling step. This approach reduces the number of wave equation computations needed for the likelihood function and gradient calculations...

Time-lapse seismic joint inversion based on Zoeppritz equation in depth domain

Wenjin Li, Jingye Li, Lei Han, Zhen Liao

International Meeting for Applied Geoscience and Energy (IMAGE)

...）True model of ΔP-wave monitoring seismic data constructed after phase shifting equation (3). In order to reduce the instability of multiparameter...

Full waveform inversion of simultaneous long-offset data

Nizar Chemingui, Alejandro A. Valenciano, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... the two-way anisotropic wave equation using the pseudo analytic (PA) method (Ramos-Martinez et al., 2011). We use a variable-density implementation...

Prestack inversion for tight sandstone thin reservoirs based on anisotropic rapid reflectivity method

Zhen Yang, Zhenfeng Liu, Junzhou Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and X. Bo, 2021, Prestack waveform inversion based on analytical solution of the viscoelastic wave equation: Geophysics, 86, no. 1, R45–R61, doi: https...

Multi-dimensional inverse scattering series internal multiple model construction via orthogonal contribution summation

Frederico Xavier de Melo, Zhiming James Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

...bowicz, H., 1998, Wave equation prediction and removal of interbed multiples: 68th Annual International Meeting, SEG, Expanded Abstracts, 1527–1530, d...

Land seismic multi-parameter FWI imaging

Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 2021, Reflection FWI with an augmented wave equation and quasi-Newton adaptive gradient scheme: First International Meeting for Applied Geoscience...

Data-driven near-surface Q compensation: A case study in Sichuan Basin of China

Xinyuan Feng, Yulian Zhao, Mingtu Xiao

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the compensation formula derived from the wave equation. The meaning of each parameter in the formula is as follows...

Efficient Q-RTM in anisotropic TTI media with phase and amplitude compensation

Yongzhong Wang, Faqi Liu, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

...-value. With the above Eq. (10), Eq. (8a) can be reduced to the following Equation: 𝜕2 𝑝 𝑙=1 +𝑣 2 𝐻1 (𝑝 − 𝛼𝑞) 𝑠𝑧 To derive a system of wave...

Attenuating non-compressional energy on vertical motion sensors using rotational data

Hassan Masoomzadeh, Fons ten Kroode, Tim Seher, Mohammad Akbar Hosain Zuberi, Alexander Kritski, Harald Westerdahl, Åsmund Sjøen Pedersen, Mark Thompson, Nick Bernitsas, Phil Behn, Philip Baltz

International Meeting for Applied Geoscience and Energy (IMAGE)

...mogeneous and isotropic in a layer below the water bottom, the vector potential ⃗ in that layer satisfies the wave ?? equation 1 2 𝜕 ⃗ = Δ ⃗, 𝐴 𝐴 ?...

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

...) at the peak of the hyperbole at time τ. Mathematically, Kirchoff migration is an integral solution to the scalar wave equation (Yilmaz, 1987...

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

...., and G. T. Schuster, 1991, Wave-equation traveltime inversion, Geophysics, 56, no 5, 645-653. DISCUSSION TLFWI with both refraction and reflection...

Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia

Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat

Indonesian Petroleum Association

..., Xie et al. (2015) derive the visco-acoustic wave equation in the isotropic medium and extend it to the anisotropy model. This method uses...

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

... velocity model is required to correctly describe the wave propagation and properly image the targeted pre-carbonate structures. Full-waveform inversion...

True-Azimuth 3D Surface-Related Multiple Elimination

Roald van Borselen, Rob Hegge, Peter Aaron, Simon Barnes, Andrew Long

Petroleum Exploration Society of Australia (PESA)

... computation of the mu ltiples, short-cuts that w ill impact the effectiveness of In Radon demultiple and wave-equation the spatial samp li ng of t hese...

Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin

Jo Firth, Mark Stanley

Petroleum Exploration Society of Australia (PESA)

... al., 2011), which uses a model of the water bottom and the wave equation to predict multiples, was used to create a more accurate model for near...

Simulation of the Seismic Records (DAS) in a Borehole Throughout CO2 Storage Procedures

José Pulido, Yiyu Ni

Unconventional Resources Technology Conference (URTEC)

... Engineering. Fornberg, B., & Driscoll, T. A. (2011). A fast Fourier transform based solver for the Helmholtz equation with variable wave number...

On the Comparison Between the Threshold of Sediment Motion Under Waves and Unidirectional Currents with a Discussion of the Practical Evaluation of the Threshold: REPLY

Paul D. Komar, Martin C. Miller

Journal of Sedimentary Research (SEPM)

... the required velocity um. The linear Airy wave equation is um = [H]/[T sinh (2h/L)] (7) where L is the wave length. As discussed in Komar (1974), the wave...

Methods in Exploration Series #2: Seismic Models of Sandstone Stratigraphic Traps in Rocky Mountain Basins - Introduction

Robert T. Ryder, Myung W. Lee, Gerald N. Smith

AAPG Special Volumes

... by a wave-equation solution, but these models did not differ significantly from the models produced by the ray-theory program. Each seismic model...

Abstract: Successful Imaging Below Salt: Technique and 2 Case Histories, by R. Marschall, H.-J. Zoch, C. Henke, M. Krieger, and F. Kockel; #90923 (1999)

Search and Discovery.com

Gabor Depth Migration using a New Adaptive Partitioning Algorithm

Yongwang Ma

Search and Discovery.com

..., A new class of propagation models based on a factorization of the Helmholtz equation: Geophys. J. Roy. Astr. Soc., 80, 439-461. Gazdag, J., 1978, Wave...

Gabor Depth Migration using a New Adaptive Partitioning Algorithm

Yongwang Ma

Search and Discovery.com

..., A new class of propagation models based on a factorization of the Helmholtz equation: Geophys. J. Roy. Astr. Soc., 80, 439-461. Gazdag, J., 1978, Wave...