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Showing 757 Results. Searched 200,357 documents.
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)
...-frequency reflection-FWI. We demonstrate with both synthetic and field data the benefits brought to Kirchhoff migration by wave equation traveltimes...
2023
Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area
M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust
International Meeting for Applied Geoscience and Energy (IMAGE)
... source. All wavefields in the derivation below are in frequency-space domain (complex quantities). The symbol † in superscript represents a Hermitian...
2023
Generating geophysical models from text for constructing the dataset of learning-based MT inversion
Yutong Li, Hongyu Zhou, Rui Guo, Maokun Li, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Rapid surrogate modeling of electromagnetic data in frequency domain using neural operator: IEEE Transactions on Geoscience and Remote Sensing, 60...
2023
Eavesdrop during sand cleanout well intervention with distributed acoustic sensing
Ivan Lim Chen Ning, Bradley Barnum, Xinhui Min, Monika Valjak, Brian Arias, Yanfen Zhang, Kai Sun, Ozzy Isabu
International Meeting for Applied Geoscience and Energy (IMAGE)
...ation as a dot product (∙) in the frequency domain via the forward and inverse Fourier transform ℱ and ℱ −1 , respectively. Note that this is a genera...
2024
Defining the Eyre Conductivity Anomaly with the Tumby Bay MT transect
Kate Robertson, Ben Kay, Lachlan Loader, Graham Heinson, Stephan Thiel
Petroleum Exploration Society of Australia (PESA)
... rate of 1000 Hz. Instruments recorded for an average of 43 hours. After preprocessing the time series, the data were converted into the frequency domain...
2019
Resistivity structure of the Link East MT transect in the Southern Curnamona Province
Ben Kay, Kate Robertson, Stephan Thiel, Graham Heinson
Petroleum Exploration Society of Australia (PESA)
... the long period data recorded five components at 10 Hz. The time series data were converted into the frequency domain using the bounded influence...
2019
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)
... Sekar, G. M. Hoversten, and U. Albertin, 2016, Frequency domain full waveform elastic inversion of marine seismic data from the Alba field using a Ba...
2024
Application of high-end seismic imaging technologies for field development in NWS Australia
Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li
Petroleum Exploration Society of Australia (PESA)
... to curvelet domain with six dimensions (dip/azimuth/frequency domain and k1/k2/k3 in the spatiotemporal domain) as described by the formula below...
2019
Blended acquisition with independent simultaneous sourcing and dispersed source array: Deblended-data-reconstruction processing
Tomohide Ishiyama, Afra Aljaberi, Fei Hu
International Meeting for Applied Geoscience and Energy (IMAGE)
... from the blended data indeed for ISS. The same holds true for DSA with a high repeatability over the full frequency band. INTRODUCTION...
2024
A case study of broadband processing in extremely shallow water environment of Bohai Bay
Jiangbo Huang, Xinyi Duan, Dekui Xu, Pingping Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... be obtained in the frequency domain as shown in formula 2: ( P ( k x , h, ) = U ( k x , h, ) 1 + R e − jkx *2 h ) (2) Where P is full seismic...
2024
Fine characterization technique and its application to Neogene composite channel sand bodies in Bohai oilfield
Shengqiang Zhang, Zhijun Zhang, Yu He, Xun Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the objective function is constructed in the frequency domain, and the reflection coefficient volume is obtained by iterative inversion. It can remove...
2024
Coloured Seismic Inversion, a Simple, Fast and Cost Effective Way of Inverting Seismic Data: Examples from Clastic and Carbonate Reservoirs, Indonesia
Keith Maynard, Paulus Allo, Phill Houghton
Indonesian Petroleum Association
... impedance is performed in the frequency domain (Figure 2). The alpha number (α) is then derived by fitting a trend curve to this data. Having derived...
2003
An assessment of compressive seismic reconstruction in the Delaware Basin, Lea County, New Mexico
Andrew Lewis, Taylor Mackay, Joel Latchman, Tao Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
...: a frequency domain solution to a geophysical noisy input-output problem: IEEE Transactions on Geoscience and Remote Sensing, 36, 287–297, https...
2024
CSEM monitoring of CO2 storage with wellbores as antennas
Simone Zonetti, Amir Ghaderi, Madeline Lee, Peder Eliasson, Antony Price, David Andreis
International Meeting for Applied Geoscience and Energy (IMAGE)
... the well casing as an antenna [2,3,4], solving the complete set of Maxwell's equations in the frequency domain: the 3D grid data includes geometry...
2024
The direct linear electromagnetic inverse with constraints
Peter Walker
International Meeting for Applied Geoscience and Energy (IMAGE)
... under excitation by a fixed source in frequency domain. Walker’s direct method entails converting the Fredholm equation into a linear system...
2024
Improved synchrosqueezing matching pursuit incorporating w-transform
Chaohe Wang, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the expression of the Ricker wavelet in frequency domain is wR ( f ) 2f 2 3 e f 2 (13) By introducing (12) and (13) into (11...
2024
Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset
Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
...-domain integration led to significant low-frequency noise, ranging from 0 to 10 Hz. Given these challenges, we applied a 180-degree phase shift...
2024
Seismic signal considerations for fast reservoir characterization
Folkert Hindriks
International Meeting for Applied Geoscience and Energy (IMAGE)
... Geologists REFERENCES Brandt, A., and Brincker, R., 2014, Integrating time signals in frequency domain – Comparison with time domain integration...
2024
5D Interpolation Using Orthogonal Matching Pursuit (OMP) Algorithm to Recover and Reconstruct Damaged Seismic Data, a Case Study in Jb Field, North West Java Basin
Andreas Wasi Kuncoro Kaissagara, Aji Rahmat Ginanjar, Arrie Kurniawan, Dimas Pramudito
Indonesian Petroleum Association
... to conduct the study. The Orthogonal Matching Pursuit (OMP) algorithm was operated in the space – frequency domain in frequency slices. By representing...
2017
Integrated Full Waveform Inversion and Dip Constrained Tomography for Complex Carbonate Imaging - Case Study from Indonesia
Yonghe Guo, Jun Wang, Pongga Wardaya, Riaz Alai, M Afiq B Mokhtar, Rizki Krishna Pratama, Haryono Haryanto
Indonesian Petroleum Association
... Tomography:77th EAGE Conference & Exhibition. Pratt, R. G., 1999, Seismic waveform inversion in the frequency domain, Part 1: Theory and verification...
2018
Hourly Immersed Acquisition and Processing of Magnetotelluric Method for Noise Reduction
Alida Naufalia Aribah, Ikhsan Setyawan, Hidayat
Indonesian Petroleum Association
... a measure of the linear relation between the processes as a function of frequency and frequency domain. This is equivalent of cross correlation (Chave et...
2018
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
... define the velocity model. Pratt, R. G., 1999, Seismic waveform inversion in the frequency domain, part 1: Theory and verification in a physical scale...
2021
First Look at Seismic Data from a Towed Dual-Sensor Streamer
Andrew Long, Natasha Hendrick, Rune Tenghamn
Petroleum Exploration Society of Australia (PESA)
... are separated in t he frequency domain by integer multiples of, v marine streamers is accompanied by a "ghost" reflection from the ocean's surface...
2007
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
...-equation traveltime inversion, Geophysics, 56, no 5, 645-653. Pratt, R. G., 1999, Seismic waveform inversion in the frequency domain, part 1: Theory...
2023
Leveraging Stochastic Inversion to Increase Understanding of Drilling and Completion Hazards in the Midland Basin
Dennis Ellison, Zahary Vera, Carla Diaz
Unconventional Resources Technology Conference (URTEC)
... and green curve). URTeC 3716775 3 Figure 1. Modified Stochastic Inversion (MSI) schematic implementation in frequency domain. Reprinted from...
2022