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The AAPG/Datapages Combined Publications Database
Showing 758 Results. Searched 200,673 documents.
Measuring seasonal velocity variations on an urban DAS array
Jihyun Yang, Jeffrey Shragge
International Meeting for Applied Geoscience and Energy (IMAGE)
... crosscorrelation in the frequency domain. We first apply a Fourier transform of the nth strain-rate DAS event window un (xi ,t) to generate frequency-domain...
2022
Fault identification in SE Limerick basin (Ireland) using a multi-geophysical data integration and unsupervised machine learning approach
Prithwijit Chakraborti, Aline Melo, Eoin Dunlevy
International Meeting for Applied Geoscience and Energy (IMAGE)
... and frequency domain electromagnetic data acquired in the western part of Ireland over the A5 survey block by Sander Geophysics Limited for the Geological...
2022
Multicomponent seismic data vector reconstruction via quaternionic matrix factorization
Yonghai Fu, Jianjun Gao, Wenbo Sun, Yandong Wang, Fan Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... data via biquaternions in the frequency domain and presented a biquaternionic POCS algorithm to solve the 3C-3D reconstruction problem. Based on F-XY...
2023
Low Frequency Passive Seismic Study in Brantas Block, East Java, Indonesia
Muhammad Alwi, Sunu Hadi Praptono, Andri Murtadho
Indonesian Petroleum Association
... higher. Therefore for safety purposes we always cut out all of the noise segments from the time series before generating frequency Domain) response...
2011
Integrating geophysical monitoring data into multiphase fluid flow reservoir simulation
Trevor P. Irons, Brian J.O.L. McPherson, Nathan Moodie, Rich Krahenbuhl, Yaoguo Li
Petroleum Exploration Society of Australia (PESA)
... in the frequency or time domain. In the frequency domain, peak signal is expected in the 0.5-5 Hz range, above which it falls of quickly (Wiranto et al...
2018
Monitoring and Imaging the Dynamics and Extent of Hydraulic Fracturing Fluid Movement Using Ground-Based Electromagnetics, With Application to the Eagle Ford Shale
Mark S. Hickey, Santiago Treviño, Mark Everett
Unconventional Resources Technology Conference (URTEC)
... a 1-D numerical model and a 3-D finite element model. The 1-D and 3-D models generate frequency domain responses using Lorentz and Coulomb-gauged...
2015
The interferographic TEM (ITEM) method: Array beamforming for TEM field compaction and resolution improvement
Bryan James, Kyubo Noh, Andrei Swidinsky, Johannes Stoll, Daryl Ball
International Meeting for Applied Geoscience and Energy (IMAGE)
... the application of SA concepts have been made in frequency-domain marine controlled source EM (Fan et al, 2010; Knaak et al, 2015; Tu and Zhdanov...
2023
Broadband magnetotelluric study of the axial fault region of the New Madrid Seismic Zone
Kaushik Sarker, Chris H. Cramer, Charles A. Langston, Roshan Raj Bhattarai, Anuradha Mahanama
International Meeting for Applied Geoscience and Energy (IMAGE)
... data from noisy time periods, and amplitude and phase masking in the frequency domain were employed, following precedents set by previous studies...
2023
The Earths radial conductivity model derived from the latest CSES and Swarm satellite data
Mingquan Lai, Xiuyan Ren, Changchun Yin, Yunhe Liu, Bo Zhang, Yang Su
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the spherical harmonic coefficients In the frequency domain, the external and internal coefficients are related to the scalar Q-response as follows (Olsen, 1999...
2023
DIGITALISATION
Henk Kombrink, Richard Taylor
GEO ExPro Magazine
... can be more immediately and effectively used. Seismic vectorising is the conversion of pixels to amplitude and frequency domain. For that reason...
2024
Fast self-supervised learning for reconstruction of 3D seismic data
Yinshuo Li, Wenkai Lu, We Cao
International Meeting for Applied Geoscience and Energy (IMAGE)
...) Complex convolution in the frequency domain Y f =CConv(X f ), X f =Xreal + iXimag , Yreal =Wreal Xreal − Wimag Ximag , (3) Yimag =Wreal Ximag + Wimag...
2024
Induced polarization chargeability calibration standards
John E. E. Kingman, Terry J. Ritchie, Peter Rowston*
Petroleum Exploration Society of Australia (PESA)
.... Key words: induced polarization, IP, chargeability, M331 INTRODUCTION Frequency-domain chargeability scaling standards in terms of phase...
2019
Frequency and current analysis of non-linear electrical effects in mineralised rocks
Alan Oertel, Robert White, Steve Collins, Keith Leslie, Ben Spyridis
Petroleum Exploration Society of Australia (PESA)
.... This contrasts to the non-linear response of sulphide-rich rocks which generates additional signals in the frequency domain. The effect of disseminated sulphide...
2019
Optimization method of geometry and application based on Fresnel Gaussian beam forward modeling
Yang Jing, Yu Fuwen, Xu Xiaokun, Lv Shuang, Wang Xiangqian
International Meeting for Applied Geoscience and Energy (IMAGE)
... in wave field of Gaussian beam solutions has the following expression in frequency domain. Fourth International Meeting for Applied Geoscience & Energy...
2024
Intricate Seismic Time-Frequency Analysis in Kujung Patch Reef, Northeast Java Basin
Haryono Haryanto, Erik Yogapurana, Aditya Kusuma
Indonesian Petroleum Association
... decomposition CWT crossing the P-1 & T-1 wells produced slightly different values of amplitude response in frequency domain between gas and water...
2016
Ultrasound reverse time migration for human brain imaging
Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the simulation of high-frequency wave propagation by FD method is quite challenging. To address this problem, firstly, we use the time-domain pseudo-spectrum (PS...
2024
Data-embedded physics-informed neural network for electromagnetic wave propagation simulation: Potentials and challenges
Yawei Su, Wenyi Hu, Jiefu Chen, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The governing equation is the wave equation for the electric field in the strike direction, denoted as y direction, in the frequency domain, ଶ (1) ∇ଶ ܧ௬...
2024
Application of distributed fiber optic and borehole-surface jointly acquired seismic data in high-resolution processing of conventional seismic
Zhanqing Yu, Cheng Wang, Miao Kun
International Meeting for Applied Geoscience and Energy (IMAGE)
... the amplitude of low frequency with the exponent of variational depth in the frequency domain. At the same time, the equivalent Q factor...
2024
Introduction to a Special Issue on Petroleum Resource Assessment Methods and Case Studies
Zhuoheng Chen, Kirk G. Osadetz, Jim Davidson, Mike Dawson
CSPG Bulletin
... sources in the frequency domain. Information regarding the spatial correlations and accumulation locations is extracted from different geoscience...
2012
Understanding the Tectonic Framework of Unconventional Reservoirs in the Paraná Basin Using the Magnetotelluric Method
P. P. de Lugao, S. B. A. Rolim, B. F. Kriegshäuser
Unconventional Resources Technology Conference (URTEC)
... Acquisition, Processing and Two-Dimensional Inversion The Magnetotelluric (MT) method is a frequency-domain electromagnetic geophysical technique...
2020
Uncovering the Gas Potential of the Paraná Basin, Brazil
Patricia de Lugão, Berthold Kriegshäuser, Eric Corrêa, Aline Menezes,Isaac Santos, Kivia Gomes, Luciano Arêas, Umberto Travaglia Filho
Unconventional Resources Technology Conference (URTEC)
... is a frequency-domain electromagnetic geophysical technique that relies on the naturally occurring variations of the geomagnetic field as source of signal...
2022
Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)
Langqiu Sun
Search and Discovery.com
... data analysis method must be developed to detect and quantify it. Noticing in frequency domain, attenuation mechanisms alter the amplitude spectrum...
2015
Abstract: Removing Blended Sources Interference Using Stolt Operator; #90224 (2015)
Amr Ibrahim
Search and Discovery.com
... in the frequency domain. Unfortunately, the best Radon basis that fit the data use hyperbolic or apex shifted hyperbolic travel times which are time variant and so...
2015
Abstract: Elastic Full Waveform Inversion For Land Walkaway VSP Data; #90224 (2015)
Olga Podgornova, Scott Leaney, Marwan Charara, and Eric von Lunen
Search and Discovery.com
... in the literature, e.g., Pratt, (1999) in the frequency domain and Rickett (2013) in the time domain, but real data applications for land cases have been...
2015
Identification and Prediction of the High Heterogeneous Channel Sand in Southern Turgay Basin; #10515 (2013)
Yueying Hong, Hongmei Wang, Wenyuan Tian, and Aling Mo
Search and Discovery.com
... from time domain into frequency domain to obtain amplitude spectrum and phase spectrum-tuning cube through short time window Discrete Fourier Transform...
2013