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The AAPG/Datapages Combined Publications Database
Showing 17,461 Results. Searched 195,364 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
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
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
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: 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
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: 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
Microseismic Data Analysis Using Matlab 2010 for the Determination of Hydrocarbon Presence in the Field LCY Ombilin Basin
Lucy W. Sari, Moh. Sarkowi, Suharno, Rahmat C. Wibowo
Indonesian Petroleum Association
... hydrocarbons. Above the oil reservoir, the natural earth noise spectrum increased sharply at a frequency of 2 - 6 Hz. This phenomenon has been confirmed...
2013
Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)
Wujin Chen and Anchu Wu
Search and Discovery.com
... dominant frequency is 50Hz. It shows that near surface absorption degrades the resolution to interfaces. Frequency analysis The amplitude spectrum...
2014
Advances in Vibroseis Technology Enhance Low Frequency Recording and Provide Significant Operational Benefits
Search and Discovery.com
N/A
ABSTRACT: Microseismic Event Spectrum Control and Strain Energy Release in Stressed Rocks, by Rozanov, Alexander O.; #90141 (2012)
Search and Discovery.com
2012
Application of Spectral Decomposition and RGB Blending for Mapping the Distribution of Ubadari Sandstone in Kasuri Block
Leonard Lisapaly, Anne Queentina Tyas Primasty
Indonesian Petroleum Association
... amplitude spectrum of this kind of event will have a notch frequency, and the notch frequency then represents the reservoir with temporal thickness equals...
2018
Some Seismic Instantaneous Bandwidth Attribute Applications; #42515 (2020)
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
... decreases the higher frequency components of the spectrum. For more ordered and less commonly encountered heterogeneities such as sabkhas, coal...
2020
Fractal Structure of Stylolites
Carl N. Drummond, Damon N. Sexton
Journal of Sedimentary Research (SEPM)
... the spectrum of a path of End_Page 8-------------------------- a Brownian motion is found to decrease as a function of frequency. That is, Brownian...
1998