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The AAPG/Datapages Combined Publications Database
Showing 18,797 Results. Searched 200,293 documents.
Abstract: Event-directed Spectrum Extrapolation for Upsampling Seismic Traces; #90172 (2014)
Zhengshong Yao, Elvis Floreani
Search and Discovery.com
... frequency portion spectrum of the original data has a similar pattern to that of designed data. Therefore, weighting function can be build...
2014
Study of Seismic Anomalies in the Frequency Spectrum as a Hydrocarbon Reservoir Characterizer
Search and Discovery.com
N/A
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
Thickness Estimation Using Gradient of Spectral Amplitudes from Spectral Decomposition
Tri Wuri Asri Sulistyoati, Lita Novitasari, Sonny Winardhi
Indonesian Petroleum Association
... is transformed to the frequency domain using the Discrete Fourier Transform (DFT) to produce amplitude and phase spectra. The phase spectrum contains...
2012
Reservoir spatial characterization based on tuning body spectrum decomposition along the target layer
Ying Zheng, Qingzhen Wang, Jianhua Wang, Rao Huang, Zhenyu Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... on tuning body spectrum decomposition along the target layer, aiming to fully utilize the time-frequency information in the representation of lithologic...
2024
Abstract: Seismic Denoising by Time-Frequency Reassignment; #90174 (2014)
Li Han, David Bonar, and Mauricio Sacchi
Search and Discovery.com
... distribution. A reassigned timefrequency spectrum can better localize signals because the process concentrates the time-frequency energy of each...
2014
Abstracts: Q Determination, Corner Frequency and Spectral Characteristics of Microseismicity Induced by Hydraulic Fracturing; #90173 (2015)
David W. Eaton
Search and Discovery.com
... frequency can be determined. The classic Brune model is used here to predict the shape of the source spectrum and to provide scaling relationships...
2015
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 peak frequency of the seismic signal before and after attenuation. The peak frequency is the frequency corresponding to the maximum amplitude spectrum...
2024
Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin
Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama
Indonesian Petroleum Association
.... The identification of various subsurface properties can be carried out based on the time frequency spectrum. The subsurface condition cause for the frequency...
2008
ABSTRACT: Direct Hydrocarbon Indication Using Instantaneous Spectral Analysis; #90017 (2003)
John Castagna
Search and Discovery.com
... (ISA) is a continuous time-frequency analysis technique that provides a frequency spectrum for each time sample of a seismic trace. ISA achieves both...
2003
Abstract: Fourier Domain Regularization 5D and More; #90174 (2014)
V. Khatchatrian
Search and Discovery.com
... into the frequency domain and then into the multi-dimensional wave number domain. This final spectrum is a result of the convolution of the full data spectrum...
2014
Abstract: Quantitative Estimation of Oil-Water Contact in a Jurassic Clastic Reservoir using Elastic Wave Propagation, by Zhang, Zhao; Sun, Yuefeng; #90163 (2013)
Search and Discovery.com
2013
Reservoir prediction technology based on tuning spectral decomposition
Wang Qingzhen, Wang Jianhua, Zheng Ying
International Meeting for Applied Geoscience and Energy (IMAGE)
... method, greedy algorithm, timefrequency spectrum rearrangement method and constrained inversion method. Linear time-frequency analysis methods include...
2024
Application of seismic spectral blueing based on generalized S-transform in high-quality reservoir prediction in gas cloud area
Pengzhi Zhang, Lei Liu, Zhiheng Jiang, Zhenglong Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... corresponds to higher amplitude. The spectrum with this feature is called bluening spectrum. In order to recover the high frequency part of the serious...
2022
An improved Holo-Hilbert spectral analysis guided by fast matching pursuit
Chaohe Wang, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
... a multiplicative process. Therefore, the information provided by time-frequency spectrum is incomplete. In order to quantify the nonlinearity...
2024
Increasing The Resolution of Seismic Imaging With Spectral Blueing, Spectral Decomposition RGB And HSV Blending to Delineate The Fluvial Facies on Fluvio Deltaic Environment
Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria
Indonesian Petroleum Association
... spectrum in the dominant frequency area owned by the spectrum of the wavelet operator. A bandpass filter reduces data outside the band signal to perform...
2022
Abstract: Application of Spectral Decomposition Technique in Reservoir Exploration in the Junggar Basin of West China, by Cai Gang, Su Mingjun, Yao Qingzhou, and Gong Honglin; #90124 (2011)
Search and Discovery.com
2011
Abstract: Seismic -- Stratigraphic Mapping Of Gulf Coast Stratigraphic Traps
John A Ward
GCAGS Transactions
.... Analysis of bandpass filtered sonic logs provides a useful technique for determining the portion of the frequency spectrum that carries the basic...
1980
Seismic-Stratigraphic Mapping of Gulf Coast Stratigraphic Traps: ABSTRACT
John A. Ward
AAPG Bulletin
.... Analysis of band-pass filtered sonic logs provides a useful technique for determining the portion of the frequency spectrum that carries the basic...
1980
ABSTRACT: Shaping the Wavelet, by Wang, Yuchun E.; Huo, Shoudong; #90141 (2012)
Search and Discovery.com
2012
Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015)
Sina Esmaeili and Gary Frank
Search and Discovery.com
... to be random, therefore its amplitude spectrum is assumed to be white. On the other hand, by writing equation 2 in frequency domain, S ( f ) R( f )W ( f...
2015
Spectral Recomposition in Stratigraphic Interpretation, #41376 (2014)
Yihua Cai, Sergey Fome, Hongliu Zeng
Search and Discovery.com
... and whitened spectrum in a long window; 2. In short window analysis, local geology filters wavelet and overprints it in frequency domain. Some...
2014
Abstract: Broadband Data: How Changes in Seismic Techniques Have Changed Geologic Interpretation; #90310 (2017)
David J. Monk, Marnix Vermaas
Search and Discovery.com
... at the low frequency end of the spectrum which is more important for successful inversion and interpretation. “Broadband” data today tends to suggest...
2017
Research on reservoir prediction based on compressed sensing and inversion theory
Qing Zhou, Jianli Wang, Qian Yu, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... the reflection coefficient sequence r is obtained, it is transformed into the frequency domain to obtain the reflection coefficient spectrum R . The low...
2022
Improved synchrosqueezing matching pursuit incorporating w-transform
Chaohe Wang, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
... can be written as: R s (t ) R s (t ), g (t ) g (t ) R s(t ) (9) n 1 n 1 i i 1 i 1 i n 1 The time–frequency amplitude spectrum...
2024