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The AAPG/Datapages Combined Publications Database

Showing 1,537 Results. Searched 200,357 documents.

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Reservoir prediction technology based on tuning spectral decomposition

Wang Qingzhen, Wang Jianhua, Zheng Ying

International Meeting for Applied Geoscience and Energy (IMAGE)

... short-time Fourier transform, Gabor transform, wavelet transform, S-transform, generalized S-transform, etc.(Marfurt and Kirlin, 2001); Quadratic time...

2024

Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)

Roohollah Askari and Robert J. Ferguson

Search and Discovery.com

... dispersive medium and noisy data. Theory The S transform is a time-frequency spectral localization method that is similar to the short-time Fourier...

2014

Seismic applications of the Radon transform and a new second-order traveltime local transform

Ehsan Soleymani, Mauricio Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

...Seismic applications of the Radon transform and a new second-order traveltime local transform Ehsan Soleymani, Mauricio Sacchi Seismic applications...

2024

Orthorhombic AVAZ inversion in the Laplace-Fourier domain

Lin Li, Jinmiao Zhang, Guangzhi Zhang, Zhenyu Zhu, Jiajia Zhang, Chao Li, Xinpeng Pan

International Meeting for Applied Geoscience and Energy (IMAGE)

... sin 2  cos 2  1  tan 2  sin 2   . 33  2 g  m  ln VP  (6) The Laplace-Fourier transform of a time-continuous seismic signal is given...

2022

ABSTRACT: Microanalyses of organic matter in coals and gas shales: A Review

Zhongsheng Li, Colin R. Ward, Neil Sherwood, Peter Fredericks

The Society for Organic Petrology (TSOP)

... of these processes. Numerous recent developments in electron microprobe, scanning electron microscope (SEM), Fourier transform infrared, and computerised...

2012

Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)

Kristof De Meersman and Majda Mihoub

Search and Discovery.com

... Fourier transform and the Gabor transform. It also shares many properties with wavelet transforms. The main difference is that the wavelet transform works...

2014

Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)

Jun-Wei Huang and Bernd Milkereit

Search and Discovery.com

..., such as windowed Fourier transform, wavelet transform, S-transform and Matching Pursuit Decomposition, etc. This paper described the Hilbert-Huang...

2013

Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... "correct" velocity pick. DMO algorithms available sometime back in this region are essentially Fourier transform methods, usually with some logarithmic...

1995

Optical Methods and Equipment for Processing Geophysical Data: ABSTRACT

Arthur L. Ingalls

AAPG Bulletin

... is a 2-dimensional filtering equipment in which 2 Fourier transforms are performed sequentially on the in-put transparency. The first transform produces...

1965

A ground roll attenuation method based on CAResU-net with adaptively frequency-induced loss

Siyu Sun, Guosong Tang, Wei Bao, Guofa Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... propose a hybrid loss function by integrating the MSE with an adaptively frequency-induced loss. By leveraging Fourier transform principles...

2024

Abstract: Azimuthal Fourier Coefficients: A Simple Method to Estimate Fracture Parameters; #90174 (2014)

Jon Downton and Benjamin Roure

Search and Discovery.com

... in azimuth, the properties of the Fourier transform allow these problems to be treated separately. If we calculate a Fourier transform of the AVAz PP...

2014

ABSTRACT: APPLICATION OF ATTENUATED TOTAL REFLECTANCE MICROFOURIER TRANSFORM INFRARED (ATR-FTIR) ANALYSIS TO THE STUDY OF COAL MACERALS AND COAL MATURATION PROCESSES

Zhongsheng Li, Peter M. Fredericks, Llew Rintoul, Colin R. Ward

The Society for Organic Petrology (TSOP)

... 4001, Australia INTRODUCTION Fourier transform infrared (FTIR) spectroscopy has been used in the laboratory for some decades to investigate substances...

2004

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

... to the other by some transform – e.g. a double Fourier Transform). In this paper, we will describe the f-p domain approach and show its advantages over...

2015

Abstract: Time-Frequency Representation of Microseismic Signals using the Synchrosqueezing Transform; #90187 (2014)

Roberto H. Herrera, Jean-Baptiste Tary, and Mirko van der Baan

Search and Discovery.com

... experiments. The popular methods of Short-Time Fourier Transform (STFT) and wavelet analysis have limitations in representing close frequencies...

2014

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)

...  1, 2 M rm (tn )  rm (tn1 ) According to fourier transform to frequency domain to obtain amplitude logarithm spectrum Qm ( ) and the mean value...

2022

Abstract: Spectral Decomposition with Real Seismic Wavelet; #90187 (2014)

Rongfeng Zhang

Search and Discovery.com

... in seismic interpretation. There are several approaches used, from the popular Short Time Fourier Transform (STFT) and Continuous Wavelet Transform (CWT...

2014

S-transform based processing of noisy surface wave record for recovering high-resolution spectrum

Sayan Mukherjee, Mrinal Bhaumik, Tarun Naskar

International Meeting for Applied Geoscience and Energy (IMAGE)

...up velocities, 𝑣 (3) 𝑝 𝑣𝑓 (𝑥) = 𝑔 𝑓 (𝑥, 𝑥/𝑣), which is further processed through spatial Fourier transform to generate a 3D domain of group veloci...

2022

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

Mostafa Naghizadeh and Mauricio Sacchi

Search and Discovery.com

... interpolation in the F-X domain: Geophysics, 56, 785–796. Xu, S. and D. Pham, 2004, Seismic Data Regularization with Anti-Leakage Fourier Transform...

2013

Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013)

Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux

Search and Discovery.com

... Fourier transform which is exact for constant velocity medium. Introduction Reverse-time migration (Baysal et. al., 1983, McMechan, 1983; Whitmore...

2013

Improved synchrosqueezing matching pursuit incorporating w-transform

Chaohe Wang, Zhaoyun Zong

International Meeting for Applied Geoscience and Energy (IMAGE)

... characterization. Typical time-frequency analysis methods comprise the short-time Fourier transform (STFT), the continuous wavelet transform (CWT), the S-transform...

2024

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