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The AAPG/Datapages Combined Publications Database

Showing 1,541 Results. Searched 200,693 documents.

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Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique

Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu

Unconventional Resources Technology Conference (URTEC)

... of Gaussian operators. The detailed steps of spectral balancing are as follows: frequency domain by Fourier transform; Transform the seismic signals from...

2015

Spectral Balancing of Seismic Data Using Spectral Decomposition; #41976 (2017)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... decomposition methods including the following: 1. Traditional short window discrete Fourier transform, Figure 1: Typical workflow for spectral...

2017

New Approach: Using Relative Inversion with Spectral Decomposition to Distinguish Thin Layers in the 33-Series Sand Reservoirs of the Widuri Field, Southeast Sumatra, Indonesia

Ratih Muliani, Reza Widiatmo, Heri Gunawan, Pranowo Nugroho, Hairunnisa, Awal Mandong, Rino Saputra

Indonesian Petroleum Association

.... The method of decomposing this is called Spectral Decomposition. Unlike the conventional Fourier transform which computes the stationary spectrum...

2018

Revealing a Shaly (Tight) Sand Reservoir's Distribution by Applying an Untapped Sub-Frequency Combination Method: A Case Study in the West Jambi II Block, South Sumatra Basin

Indra Luthfiana, C. Maya Resha Tuhar, Endi Erfanto, Randy Condronegoro, Hendra Niko Saputra, Abghia Dini Fanzuri, Yan Wijaya, Totok Parafianto

Indonesian Petroleum Association

... the overall frequency content of seismic data to be variant with time. Hence, according to Chui, (1992). The Windowed Short Time Fourier Transform...

2018

Operator chains and seismic data decomposition

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

...) and W f = diag(w f ) are diagonal weighting matrices in the original and frequency domain, respectively, and F represents the Fourier transform...

2022

Low Frequency Passive Seismic Method For Hydrocarbon Indicator in the X-Field, Trembes Area, East Java Basin

Ricky Sitinjak, Sumarsono, Budi Eka, Suherman

Indonesian Petroleum Association

.... 4. 5. 6. 7. 8. 9. 10. 11. 12. Editing Data DC Removal and Filtering Windowing Fourier Transform Gabor Transform and Maximum Entropy Analysis (MESA...

2014

Abstract: Removing Blended Sources Interference Using Stolt Operator; #90224 (2015)

Amr Ibrahim

Search and Discovery.com

... in combination of non-uniform Fourier transform to interpolate missing traces. Acknowledgements The author thanks Dr. Mauricio Sacchi and the sponsors...

2015

Spectral Decompostion for a More Accurate Image; #41807 (2016)

Rongfeng Zhang

Search and Discovery.com

.... There are several ways of performing spectral decomposition of seismic data in terms of the mathematical method adopted, such as short-time Fourier transform...

2016

Abstracts: Prestack Interpolation of a Sparsely Acquired and Heavily Structured 3D Land Data Set; #90173 (2015)

Dan Negut, Dave Ganley, Muyi Kola-Ojo, Dennis Quinn, Juefu Wang, Angela Truong, and David Emery

Search and Discovery.com

..., Canada [email protected] Summary Two different prestack interpolation methods, 5D interpolation by Fourier reconstruction and dip-scanbased...

2015

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

Mark Ng and Dan Negut

Search and Discovery.com

...), where ukx is the spatial transform model in kx , T the sampling diagonal only matrix, F’ the inverse spatial Fourier transform operator, F the forward...

2014

Understanding Attributes and Their Use in the Application of Neural Analysis … Case Histories Both Conventional and Unconventional, #41473 (2014).

Deborah Sacrey, Rocky Roden

Search and Discovery.com

... or frequency bands.  Layer thickness determinations  Stratigraphic variations  DHI characteristics (e.g. shadow zones) Discrete Fourier Transform Fast...

2014

-- no title --

user

Search and Discovery.com

... be reconstructed using Fourier methods. In this case the Fourier coefficients of the irregularly sampled data are retrieved by inverting the inverse Fourier operator...

Unknown

-- no title --

user

Search and Discovery.com

... be reconstructed using Fourier methods. In this case the Fourier coefficients of the irregularly sampled data are retrieved by inverting the inverse Fourier operator...

Unknown

Polynomial Amplitude versus Azimuth Inversion in Horizontally Transverse Isotropic Media, as Tested on Fractured Coal Seams in the Surat Basin

Joseph Kremor, Randall Taylor, Khalid Amrouch

Australian Petroleum Production & Exploration Association (APPEA) Journal

... using the elliptic approximation (Rüger 1998) or by using a Fourier transform (Downton and Roure 2015). Wavelet deconvolution iso To extract...

2017

Abstract: Can Interpolation Help Reduce Acquisition Costs? A Case Study; #90187 (2014)

Ye Zheng, Balazs Nemeth, Christian Escalante, Andrea Crook, Keith Millis, and Laurie Ross

Search and Discovery.com

...). The interpolation method used for the tests is the Anti-Leakage Fourier Transform (ALFT) (Xu et al, 2004), which works in 5D frequency-wavenumber domain...

2014

Thickness Estimation Using Gradient of Spectral Amplitudes from Spectral Decomposition

Tri Wuri Asri Sulistyoati, Lita Novitasari, Sonny Winardhi

Indonesian Petroleum Association

..., steeper gradients of spectral amplitudes represent thicker beds and lower gradients represent thinner beds. In this paper, the Discrete Fourier Transform...

2012

Interpolating High-Resolution Well Log Volume Using Seismic Dip Vectors and Control Grids

Yingwei Yu

Unconventional Resources Technology Conference (URTEC)

... seismic image in the spatial domain I (x,y) is converted into frequency domain Î (u,v) by 2D Fourier transform, and then followed...

2016

A method of attenuating bubble effect based on frequency domain filter

Yifei Xiao, Jianguo Song

International Meeting for Applied Geoscience and Energy (IMAGE)

...-frequency (>15Hz). 2. Fourier transform and autocorrelation of lowfrequency seismic record to analyse the frequency distribution of bubble effect. 3...

2024

EXTENDED ABSTRACT: Geochemical characterization of kerogen density fractions and artificial mixtures of purified macerals from the Eocene Huadian oil shale, NE China

Xiaomin Xie, Jin Xu, Jianzhong Qin, Fenting Wu, Jingwen Lin

The Society for Organic Petrology (TSOP)

... lamalginite (Fig. 1). The Rock-Eval S2 and hydrogen index parameters (Fig. 1) as well as the aliphatic compound peaks in Fourier transform infrared (FTIR...

2021

Seismic Trace Interpolation using Adaptive Prediction Filters

Search and Discovery.com

... Gulunay, N., 2003, Seismic trace interpolation in the Fourier transform domain: Geophysics, 68, 355–369. Haykin, S., 2002, Adaptive Filter Theory, Prentice...

2013

Abstract: Maximizing Knowledge from a Single Drop using Ultra-high Resolution Mass Spectrometry; #90187 (2014)

Thomas B. P. Oldenburg, Melisa Brown, Ken Chanthmontri, Ning Sanguantrakun, Andrew Stopford, Norka Marcano, Ryan Snowdon, Steve Larter, D. Martin Jones, and Ian Head

Search and Discovery.com

.... New technological developments, namely Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FT-ICR-MS) allows us for the first time to make...

2014

Abstracts: Q Determination, Corner Frequency and Spectral Characteristics of Microseismicity Induced by Hydraulic Fracturing; #90173 (2015)

David W. Eaton

Search and Discovery.com

...)            , where ~ denotes the Fourier transform,  = 2f and c  1/ is called the corner frequency. The corresponding displacement...

2015

Abstract: Direct Correlations Between Volume Injection Rates and Microseismic Resonances; #90224 (2015)

Jean Baptiste Tary, Mirko van der Baan, and David W. Eaton

Search and Discovery.com

...). Time-frequency transforms, such as the short-time Fourier transform aka spectrogram, are well-suited for the analysis of resonances in continuous...

2015

Enhancing the Quality of Seismic Impedance Data; #41961 (2016)

Satinder Chopra, Ritesh Kumar Sharma, Rebecca Daniels, Brian Schulte, Jim Pllishy, Tammy Chow

Search and Discovery.com

...-t domain. The other domains to which seismic data in the x-t domain can be transformed are the tau-p (using Radon transform) and f-x (using Fourier...

2016

Direct Kerogen Characterization of Marcellus Shale Collected from Marcellus Shale Energy and Environment Laboratory; #80635 (2018)

Vikas Agrawal, Shikha Sharma

Search and Discovery.com

... techniques such as XPS (X-ray photoelectron spectroscopy), ATR-FTIR (Attenuated total reflection-Fourier transform infrared spectroscopy), 13C solid...

2018

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