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The AAPG/Datapages Combined Publications Database
Showing 2,329 Results. Searched 200,756 documents.
Chapter Nine: Inversion and Interpretation of Impedance Data
Rebecca B. Latimer
AAPG Special Volumes
... showing what inversion means can be seen in Figures 9-2 and 9-3. In Figure 9-2, we see a seismic trace on the left where the correct wavelet...
2011
Reservoir Characterization Using Seismic Attributes and Inversion Analysis of Globigerina Limestone Reservoir, Madura Strait, Indonesia
Muhammad Tajul Arifin, Angus J. Ferguson
Indonesian Petroleum Association
... phase shift was applied to the derived amplitude spectrum. The wavelet that was used in the inversion process is the statistical wavelet derived from...
2017
Physics-directed unsupervised machine learning: Quantifying uncertainty in seismic inversion
Sagar Singh, Yu Zhang, David Thanoon, Pandu Devarakota, Long Jin, Ilya Tsvankin
International Meeting for Applied Geoscience and Energy (IMAGE)
... can be represented as the result of convolving the source wavelet with the reflectivity series. Here, we assume the same model but solve the regression...
2022
Least-squares reverse time migration of seismic source coding based on Shearlet transform
Yingkaer Nabi, Xiangbo Gong, Zhuo Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... that the inversion process is stable improves the inversion results. Demrtrio Labate and Guo et al. (2005) powerfully linked composite wavelet theory and geometric...
2022
Monitoring of CO2 plume movement using time-lapse distributed acoustic sensing (DAS) data
Tuhin Bhakta, Bob Paap, Vincent Vandeweijer, Trond Mannseth
International Meeting for Applied Geoscience and Energy (IMAGE)
..., we adopt a wavelet based sparse representation procedure (Luo et al., 2017a, 2018a). In addition, to mitigate the ensemble collapse, we integrate...
2022
The importance of viscoelastic waveform inversion in VSP: Synthetic studies
Yu Chen, Shujaat Ali, Takashi Mizuno, Pierre Bettinelli, Jol Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
...) of the source wavelet (Chen et al., 2021). The inversion employs a ray-based viscoelastic waveform modeling (Leaney et al., 2019). We implemented...
2022
Graph-space optimal transport-based 3D elastic FWI for near-surface seismic applications
Dmitry Borisov, Richard D. Miller, Shelby L. Peterie, Julian Ivanov, Anthony M. Hoch, Steven D. Sloan
International Meeting for Applied Geoscience and Energy (IMAGE)
... Research & Development Center Summary Full-waveform inversion (FWI) relies on an accurate initial model and source wavelet, appropriate physical...
2022
Physical Basis of Reflection Seismology
Bruce S. Hart
Special Publications of SEPM
... -ve A plitude +ve Figure 2 .2 . Definition diagra for wavelets. This si ple wavelet consists of positive and negative a plitude values (peaks...
2000
A field data application of RockAVO: Data-driven, direct petrophysical inversion of prestack seismic data
Miguel Corrales, Hussein Hoteit, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... basis functions to be used in spite of those defined by linearization of the Zoeppritz equation. To correctly handle wavelet effects during the inversion...
2023
Comparison of EMD and S-Transform Spectral Decomposition for Characterizing Hydrocarbon Reservoir: Case Study of East Java Basin
Abdul Haris, A. M. Ustad, Didik Ardiyanto, Gadang G. Wihardy, Budiyono, Tri Bowo, Murti Widyawan
Indonesian Petroleum Association
...-frequency spectrum such as Short Time Fourier Transform (STFT), Continues Wavelet Transform (CWT) and Matching Pursuit Decomposition (MPD). However, all...
2011
Advanced Reprocessing and Imaging: Enhancing Legacy Surveys
Dominic Fell, Shane Westlake, Richard Patenall, Jennifer Badry
Petroleum Exploration Society of Australia (PESA)
...) allowing a broadening of the signal amplitude spectrum that provides a compact wavelet ideally suited for high resolution processing and inversion...
2016
Stacking common-image gathers via the flatten-illumination-similarity method
Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang
International Meeting for Applied Geoscience and Energy (IMAGE)
... seismic wavelet cause the uneven illumination and migration artifact on CIGs. In this abstract, we propose an improved stacking method to improve...
2023
PP-PS depth-domain AVA inversion
Maud Cavalca, Robin P. Fletcher
International Meeting for Applied Geoscience and Energy (IMAGE)
...) and acquisition limitations (geometry footprint, bandlimited source wavelet). An estimate of reflectivity can then be derived through iterative...
2023
AIGI Inversion for Hydrocarbon Identification: Case Study in Sandstone Reservoir, Kutai Basin, Indonesia
Asrim, Teguh Nugraha
Indonesian Petroleum Association
... A well seismic tie is undertaken to obtain the best seismic wavelet and the corrected sonic log by seismic. The well seismic tie in angle stack is 2...
2015
Navigating full-waveform inversion success in Mexico with complex geology: Shallow-water and land case studies
Wei Kang, Federico Fenoglio, Liubov Mulisheva, Pavel Vasilyev, Luxin Zhang, Abdalla Abouelela, Xin Cheng, Denes Vigh, Silvino Dominguez Garcia, Alejandro Cabrales, Alfredo Vazquez Cantu
International Meeting for Applied Geoscience and Energy (IMAGE)
...). Firstly, a stable and representative wavelet is critical to wavefield simulation and the convergence of FWI. Due to the source effect and near-surface...
2024
Seismic resolution enhancement with self-supervised learning
Shijun Cheng, Tariq Alkhalifah, Haoran Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... is to use the minimal number of wavelet-convolved reflection spikes to simulate a seismic trace. It was initially applied on a trace-by-trace basis, resulting...
2024
Seismic Characterization of the Vaca Muerta Formation in the Central Region of the Neuquén Basin
Soledad R. Lagos, Karina B. Anis, Ariel P. Kautyian Ziyisyian
Unconventional Resources Technology Conference (URTEC)
... cosimulation of porosity and TOC, as described in the following sections. Well Tie and wavelet estimation Time-depth curves were generated for each well...
2024
Facies Mapping from Three-Dimensional Seismic Data: Potential and Guidelines from a Tertiary Sandstone-Shale Sequence Model, Powderhorn Field, Calhoun County, Texas
Hongliu Zeng , Milo M. Backus , Kenneth T. Barrow , Noel Tyler
AAPG Bulletin
.... offset (AVO) method. The stratal resolution of seismic imagery depends not only on wavelet frequency, but also on the stratigraphic position of a given...
1996
Abstract: Q Estimation by a Match-filter Method; #90174 (2014)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
...) the forward Q filter that best matches the shallow wavelet to the deeper wavelet, which can be formulated as ‖ () ( ) ( )‖ , where denotes...
2014
Abstract: Nonlinear Seismic Wave Propagation in Heavy Oil; #90224 (2015)
Wubing Deng and Igor B. Morozov
Search and Discovery.com
... wavelet with dominant frequency 800 kHz. Because of the nonlinearity an high ratio near the source, the peak frequency drops within about two...
2015
AVO Analysis and Simultaneous Inversion of Spec Survey Data in Arafura Sea
Feby Hapsari, Irfan Saputra, John Coffin, Liyanto
Indonesian Petroleum Association
... seismic data and control wavelet from partial stack (near and far) gives the P-Impedance, S Impedance, Density and Vp/Vs volume. LambdaMu-Rho parameters...
2008
Mini Seismic Processing System for Training and Research Purposes
Suprajitno Munadi, Bambang Triharjanto
Indonesian Petroleum Association
... velocities. The synthetic record in Figure 4 (left) has been generated with the geophone interval equals to 20 m and the dominant frequency of the wavelet...
1993
AVA attribute estimation from misaligned seismic gathers using U-Net
Ammar Ghanim, Ricard Durall, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
...ey approximation. Subsequently, convolution with the wavelet (𝑤) is performed to ultimately produce the synthetic seismic gathers (𝑦seis ). ̅ Fou...
2024
Q-land Enters Australia: Overview of a Seismic Survey Pilot Study in the Cooper Basin
Tim Bunting
Petroleum Exploration Society of Australia (PESA)
... a consistent energy over an extended sweep bandw idth. For t his survey t he vibrator was prog ram med to generate a sweep wavelet with -3 dB...
2009
Abstract: Finite-difference Elastic Modelling Below a Structured Free Surface; #90171 (2013)
P. M. Manning
Search and Discovery.com
... free surface where, aside from the first breaks, the only event is a surface wavelet similar to the explosive source propagating with almost...
2013