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The AAPG/Datapages Combined Publications Database

Showing 1,245 Results. Searched 190,740 documents.

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Abstracts: Gabor Multipliers for Seismic Modeling and Wavefield Propagators; #90173 (2015)

Michael P. Lamoureux, Gary F. Margrave, and Peter C. Gibson

Search and Discovery.com

... by Gabor multipliers and generalized frame operators. These numerical algorithms are based on a localized version of the Fourier transform and share many...

2015

-- no title --

user

Search and Discovery.com

... Fourier transform (SWFT) (Partyka, 1999), Morlet wavelet based wavelet transform (MWT) (X. Miao & W. Moon, 1994, Casatagna, 2003), and Matching Pursuit...

Unknown

-- no title --

user

Search and Discovery.com

... Fourier transform (SWFT) (Partyka, 1999), Morlet wavelet based wavelet transform (MWT) (X. Miao & W. Moon, 1994, Casatagna, 2003), and Matching Pursuit...

Unknown

Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)

Carlos Montana and Gary Margrave

Search and Discovery.com

...) is the reflectivity, and where Q is the attenuation parameter and H indicates the Hilbert transform operation. Equation (2) states that the Fourier transform...

2015

Mackenzie Delta: A Case of One Residual Gravity Anomaly and 16 Dry Exploration Wells; #41587 (2015)

Hassan Hassan

Search and Discovery.com

... in the Foothills of Northeastern British Columbia using 2D Wavelet Transform* Hassan Hassan1 Search and Discovery Article #41587 (2015)** Posted March 16...

2015

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

Jiajun Han and Mirko van der Baan

Search and Discovery.com

.... The short-time Fourier transform with a 170ms time window (Figure 4) does not distinguish the two Ricker wavelets clearly at 1.1s due to its fixed time...

2014

Enhancing Seismic Insight by Spectral Decomposition, #41534 (2015).

Xiaogui Miao, Dragana Todorovic-Marinic, Tyler Klatt

Search and Discovery.com

... utilized spectral decomposition methods include Short windowed Fourier transform (SWFT) (Partyka et al., 1999), Morlet wavelet based wavelet transform...

2015

Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)

Yongwang Ma and Gary Margrave

Search and Discovery.com

...-interpolation (GPSPI) wavefield extrapolation using a Gabor, or windowed Fourier, transform to localize the wavefield. The key to an efficient algorithm...

2015

Creating Singularity Order Attribute of Seismic Signals Using Continuous Wavelet Transform (CWT) for Stratigraphic Interpretation Tools

A.M. Ustad, M.S. Jaya, F.J. Herrman

Indonesian Petroleum Association

... (Herrmann and Stark, 1999). Fractional differentiation/integration is defined by Fourier transform (Zähle, 1995), ) dβ β f (t ) α (iω ) f (ω ) β dt...

2007

POCS Method for Seismic Data Reconstruction of Irregularly Sampled Data

Elwyn J. Galloway

Search and Discovery.com

... is the fourier transform operator, T k is a threshold operator, and B is a band-limiting operator. The threshold operator acts to remove any points below...

Unknown

POCS Method for Seismic Data Reconstruction of Irregularly Sampled Data

Elwyn J. Galloway

Search and Discovery.com

... is the fourier transform operator, T k is a threshold operator, and B is a band-limiting operator. The threshold operator acts to remove any points below...

Unknown

Abstracts: Accurate Declipping Hybrid Algorithm for Ground Penetrating Radar Data; #90173 (2015)

Akshay Gulati and R. J. Ferguson

Search and Discovery.com

... combination of Kaiser Bessel Non uniform fast Fourier transform (NFFT) and Projection on Convex Set (POCS) to restore clippings. This algorithm is tested...

2015

Abstract: Spectral Decomposition Applications; #90211 (2015)

Satinder Chopra, John Castagna, and Vladimir Alexeev

Search and Discovery.com

..., viz the Discr ete Fourier Transform (DFT) met hod (Partyka et al 1999) and the Inst antaneous Spectral Analysis (I SA) (wavelet transform) method...

2015

Abstract: Reservoir Characterization of Complex Proglacial Ribbon Channels Through Integration of Seismic Attribute, Spectral Decomposition and Subsurface Geological Datasets: The Upper Ordovician Sarah Formation in Northern Arabia; #90310 (2017)

Mohammed Y. Aldakheel, Hamad Alghenaim, Andrew Rees, Fahad Amry

Search and Discovery.com

... and base of the reservoir. Blended RGB (red, blue and green) spectral decomposition has proven particularly useful with discrete Fourier transform (DFT...

2017

Abstract: Reservoir Characterization of Complex Submarine Channel Systems through Integrated Advanced Seismic Imaging and Geological Modelling: The Upper Ordovician Sarah Formation in Northern Arabia; #90319 (2018)

Mohammed Y. Aldakheel, Hamad Alghenaim, Andrew Rees, Fahad Amry

Search and Discovery.com

... and base of the reservoir. Blended RGB (red, blue and green) spectral decomposition has proven particularly useful with discrete Fourier transform (DFT...

2018

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

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

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