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The AAPG/Datapages Combined Publications Database

Showing 17,464 Results. Searched 195,387 documents.

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Seismic Inversion Resolution Enhancement With (3S) Spectral Blueing, Spectral Balancing, and Stochastic Inversion on Fluvio Deltaic Environment

Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria

Indonesian Petroleum Association

... of the amplitude spectrum to resemble a plateau shape. This approach's base is bandpassing in a few frequency ranges combined with each frequency's amplitude...

2022

Abstract: Inversion Approach to Calculate Instantaneous Frequency; #90174 (2014)

Jiajun Han and Mirko van der Baan

Search and Discovery.com

... signals with different frequency distributions. Figure 2: Instantaneous spectrum obtained using the inversion approach after EMD. Both frequency...

2014

Abstract: Enhancing Stratigraphic Features by Spectral Decomposition, Case Studies from Saudi Arabia; #90319 (2018)

Schuman Wu

Search and Discovery.com

...-amplitude data contain ample geological information, but the amplitude data is usually skewed towards the dominant frequency of the seismic source wavelet...

2018

Abstracts: A New f-p Domain Weighting Function in Minimum Weighted Norm Interpolation of Seismic Data; #90173 (2015)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... two neighbouring traces), the spectrum in the f-k domain before interpolation is aliased due to the reduced effective Nyquist interval, and therefore...

2015

Abstract: Variable-factor S-transform for Time-frequency Decomposition, Deconvolution, and Noise Attenuation; #90172 (2014)

Todor I. Todorov, Gary F. Margrave

Search and Discovery.com

...(t) is the analysis window, usually Gaussian, and G(τ,f) is the complex Gabor spectrum. A fundamental property of the time-frequency decomposition...

2014

Abstract: Frequency-Based Facies Recognition Using Unsupervised Machine Learning; #91204 (2023)

Thamer Almahamidh, Sihai Zhang

Search and Discovery.com

... data and target surface, displaying the general spectrum to determine the frequency range for spectral decomposition, and defining the extraction window...

2023

Abstract: Data Interpolation by Angular Weighted MWNI; #90187 (2014)

Mark Ng and Dan Negut

Search and Discovery.com

... weights are derived from an angular search of the input amplitude spectrum in the frequency-wavenumber domain before the inversion begins. Introduction...

2014

Seismic Attenuation Analysis for Reservoir Description

Search and Discovery.com

... and maybe reliable way is to use spectral decomposition, i.e. to do time-frequency analysis on each trace, and from instantaneous amplitude spectrum...

2013

Thin Bed Stratigraphy from Complex Trace Attributes: ABSTRACT

J. D. Robertson, H. H. Nogami

AAPG Bulletin

... the wavelet's amplitude spectrum. Peak instantaneous frequency thus is a physical meaningful measure of the spectral content of a zero-phase Ricker...

1982

Abstract: Frequency-dependent Elastic Moduli and Attenuation of Sandstone and Carbonate Rocks; #91204 (2023)

Andika Perbawa, Thomas Finkbeiner, Salma Alsinan, Juan Carlos Santamarina

Search and Discovery.com

...Abstract: Frequency-dependent Elastic Moduli and Attenuation of Sandstone and Carbonate Rocks; #91204 (2023) Andika Perbawa, Thomas Finkbeiner, Salma...

2023

Fracture Characterization Based on Attenuation Estimation From Seismic Reflection Data Using Well-Log-Based Localized Spectral Correction

Fangyu Li, Tao Zhao, Tengfei Lin, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

...  is a local spectrum correction. Then, we can use the Q estimation methods, such as spectral ratio and central frequency shift methods, to get its...

2015

Noise Identification in Passive Seismic Hydrocarbon Reservoir Microtremor Data

Muhammad Fadhillah Akbar, Afnimar, Andri Dian Nugraha, Dimmas Ramadhan, Guntur Mulyanagara

Indonesian Petroleum Association

..., the reservoir redefines the wave through occuring fluid oscillation at porous scale (Frehner et. al., 2007) and amplifies the frequency spectrum...

2013

Time Frequency Gathers: An Optimal Spectral Decomposition Analysis Approach

Badsha Basu Roy

Indonesian Petroleum Association

... range of new complex attribute traces generated is between 1 to 75 Hz (Figure 4) based on amplitude spectrum (Figure 3) for comprehensive frequency...

2016

Understanding the causes of low frequency shadow below gas hydrates

Ayman Noor M. Qadrouh, Saad Alajmi

Petroleum Exploration Society of Australia (PESA)

... of the centroid frequency of the power spectrum is estimated as a function of the travelled distance. Then, 1D experiments perform to quantify the frequency loss...

2019

Reservoir Studies and Inversion of Seismic Traces: ABSTRACT

E. Rainon

AAPG Bulletin

... surface seismic data have a sufficiently broad frequency spectrum, the inversion improves the detection of thin beds and lateral facies changes. Two...

1979

Washover of Deltaic Barriers on Louisiana Coast: ABSTRACT

Ron Boyd, Shea Penland

AAPG Bulletin

... elevation, its frequency of occurrence, and regional barrier geometry. Washover deposits on Louisiana barriers commonly account for over 50% of total...

1981

Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

... gives the highest confidence in the velocity picking process. Amplitude Spectrum In the early time window (600-1200 ms TWT), the signal frequency...

2004

Data-Driven Quantitative Reservoir Characterization and New Insights in Pubei Field of Turpan-Hami Basin, Western China, #41857 (2016).

Jianbin Ran, Haiyin Li, Zhengtao Hu, Zhe Zhu, Jia Chen, Xuejun Wang

Search and Discovery.com

... the uncertainty of seismic data interpretation. In 2014, seismic low-frequency 3D survey of 304 km2 was completed by BGP, with a frequency spectrum of 6...

2016

Abstract: Making FX Interpolation More Robust by Spectrum-guided Reconstruction; #90171 (2013)

Mostafa Naghizadeh and Mauricio Sacchi

Search and Discovery.com

... the low frequency reconstructed spatial data. 3. Compute the power spectrum using expression (3). AAPG Search and Discovery Article #90171 CSPG/CSEG...

2013

Abstract: Magnitude, Scaling, and Spectral Signature of Tensile Microseisms; #90224 (2015)

David W. Eaton

Search and Discovery.com

... the low-frequency displacement spectrum. In the case of tensile rupture, there is less ambiguity and source radius (a) can be related to moment magnitude...

2015

Shelf-Break Circulation, Fronts, and Physical Oceanography: East and West Coast Perspectives: ABSTRACT

Leonard J. Pietrafesa

AAPG Bulletin

... front. At the high-frequency end of the current spectrum, the semi-diurnal tide and inertial currents are dominant. Subinertial frequency motions...

1981

-- no title --

user

Search and Discovery.com

... is introduced. First, the low frequency (nonaliased) part of the data is reconstructed. Using data inside the reconstructed band, a Multi-Step Auto-Regressive...

Unknown

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