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The AAPG/Datapages Combined Publications Database

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

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Learned coupled inversion for carbon sequestration monitoring and forecasting with Fourier neural operators

Ziyi Yin, Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

...Learned coupled inversion for carbon sequestration monitoring and forecasting with Fourier neural operators Ziyi Yin, Ali Siahkoohi, Mathias...

2022

Fingerprinting of Crude Oil by the Infrared Spectrophotometry Method

M. Mulyono, R. Desrina

Indonesian Petroleum Association

... Spectrofluorometer, Fourier Transformer Infrared Spectrophotometer (FTIR) and Capillary Colomn Gas Chromatography coupled with a Data Station or Computer...

1988

ABSTRACT: CHEMICAL FUNCTIONALITIES OF HIGH AND LOW SULPHUR COALS: A CASE STUDY USING MICRO ATTENUATED TOTAL REFLECTANCE-FOURIER TRANSFORM INFRARED (ATR-FTIR) SPECTROMETRY TECHNIQUES

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

The Society for Organic Petrology (TSOP)

...ABSTRACT: CHEMICAL FUNCTIONALITIES OF HIGH AND LOW SULPHUR COALS: A CASE STUDY USING MICRO ATTENUATED TOTAL REFLECTANCE-FOURIER TRANSFORM INFRARED...

2006

Hybrid COV Interpolation & Procesing: A Case Study on NW Tunu Transition Zone, Indonesia

Vishal Kumar, Doddy Biramandita, Wayne Zanussi, Jacques Bonnafe, Natalia Anggriani, M-Adam Cepi

Indonesian Petroleum Association

... and denoising. The data is then 5D regularized using Anti-Leakage Fourier Transform (ALFT) reconstructions (Xu et al, 2005, Poole, 2010) to form COV...

2016

ABSTRACT: Physical and Chemical Characteristics of Peats from Various Depositional Settings: Development of a Peat Sample Bank

Michael S. Roilins, Arthur D. Cohen, James R. Durlg

The Society for Organic Petrology (TSOP)

... chromatography combined with Fourier Transform infrared spectroscopic and flame ionization detection (Py-GCIFT-IRIFID),and pyrolysis GC with mass...

1990

Improving curvature analyses of deformed horizons using scale-dependent filtering techniques

Stephan Bergbauer, Tapan Mukerji, Peter Hennings

AAPG Bulletin

... (Fourier [spectral] analysis, wavelet transform filtering, singular value decomposition, factorial kriging) on a seismically mapped horizon in the North...

2003

Recognition of Transgressive and Post-Transgressive Sand Ridges On The New Jersey Continental Shelf

W. L. Stubblefieldi, D. W. McGrail, D. G. Kersey

Special Publications of SEPM

... microfauna that were identified Spectral analysis Spectral analyses in the form of Fourier transforms were used to examine the spatial harmonics...

1984

Testing evolutionary dynamics on first lower molars of Pliocene Ogmodontomys (Arvicolidae, Rodentia) from the Meade Basin of southwestern Kansas (USA): A landmark-based approach

Federica Marcolini, Paolo Piras, Robert A. Martin

PALAIOS

... (Hibbard, 1957), below a regional stratigraphic unit in southern Meade and Seward Counties (Fig. 1), known as the Bishop gravel. This fauna...

2009

Statistical Analysis of Turbidite Cycles in Submarine Fan Successions: Tests for Short-Term Persistence

Chengsheng Chen, Richard N. Hiscott

Journal of Sedimentary Research (SEPM)

... and decreases in bed thickness cancel each other in computation (Lowey 1992). Fourier analysis has been used to identify asymmetric cycles of bed thickness...

1999

Fourier Grain-Shape Analysis of Antarctic Marine Core: The Relative Influence of Provenance and Glacial Activity On Grain Shape

Daniel N. Livsey, Alexander R. Simms, Warren G. Clary, Julia S. Wellner, John B. Anderson, John P. Chandler

Journal of Sedimentary Research (SEPM)

...Fourier Grain-Shape Analysis of Antarctic Marine Core: The Relative Influence of Provenance and Glacial Activity On Grain Shape Daniel N. Livsey...

2013

Enhancing geological features delineation by combining a relative geological time model with the matching pursuit spectral decomposition

Fabien Cubizolle, Benjamin Durot, Lory Evano

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In this paper, the Matching Pursuit algorithm is compared with both the Short Time Fourier Transform and the Continuous Wavelet Transform methods. A case study...

2022

Research on buried hill fracture prediction based on sweet spot attributes of gradient structure tensor in dominant frequency band

Min Gong, Bo Wang, Lin Wang, Rui Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of reservoirs, thereby improving the signal-to-noise ratio of seismic data. In this paper, bandpass filtering mainly relies on Short Time Fourier...

2024

A successful story of working with towed streamer and ocean-bottom node data on interpolation and image enhancement

Heather Yao, Amr Elsabaa, Nathaniel Cockrell, Dawit Desta, Ruoyu Gu, Christina Tapia, Nigel Hicks, Lauren Peschier

International Meeting for Applied Geoscience and Energy (IMAGE)

... used matching pursuit Fourier interpolation (MPFI) (Schonewille et al., 2013) to interpolate gaps and regularize the migration input. MPFI is a Fourier...

2024

Abstract: 5D Interpolation and Regular Upsampling: Ill-suited or Fit-for-purpose?; #90187 (2014)

Mike J. Perz and Peter W. Cary

Search and Discovery.com

... problem may be posed as: “Given the incomplete input data volume, find a complete data volume whose associated spatial Fourier spectrum is at once sparse...

2014

Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).

Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong

Search and Discovery.com

... how to reduce the effects of gas cloud and improve structure imaging. In the proposed workflow, matching pursuit Fourier interpolation (MPFI...

2017

Measurement of Independent Variables - Hydrocarbon Emplacement, Clay Content, Textural Measurements

Michael D. Wilson

Special Publications of SEPM

... of present-day saturations. Satura­ tions can be summed over the burial history of a reservoir unit to generate such an index. The for­ mula used might...

1994

Multiscale (nano to mm) Porosity in the Eagle Ford Shale: Changes as a Function of Maturity

Lawrence M. Anovitz, David R. Cole, Alexander M. Swift, Julia Sheets, Harold W. Elston, Susan A. Welch, Steve J. Chipera, Ken C. Littrell, David F. Mildner, Matthew Wasbrough

Unconventional Resources Technology Conference (URTEC)

.... The Eagle Ford Shale is a late Cretaceous unit underlying much of southeast Texas and probably adjacent sections of Mexico. It outcrops in an arc from...

2014

A new high-resolution seismic wavelet definition and vibroseis sweep signal design

Zhenbo Nie, Huazhong Wang, Shen Sheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... determines the accuracy of subsequent processing, imaging and interpretation. The seismic wavelet serves as the basic unit of the acquired pre-stack...

2024

Cyclicity in the Green River Formation (Lacustrine Eocene) of Wyoming

Alfred G. Fischer, Lillian T. Roberts

Journal of Sedimentary Research (SEPM)

... from saline waters. Figure 1 shows the location of the Gosiute complex, and Figure 2 illustrates the stratigraphy. Above a basal unit of near-shore...

1991

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... equation, where its derivatives in the time are solved by finite difference method and the space derivatives solved by Fourier transforms. We...

2008

Seismic noise attenuation via learned and analytical basis functions

Yi Guo, Rongzhi Lin, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... to promote sparsity and adopt the FISTA algorithm to solve it (Beck and Teboulle, 2009). The vector of Fourier coefficients b is given by bk+1 = T [bk...

2022

Analysis of rank-reduction methods for filtering and interpolation

Rafael Manenti, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... result quality. Multiple authors have presented different methodologies that rely on Fourier kernels and rank-reduction to overcome this problem. Here we...

2022

Ultrasound reverse time migration for human brain imaging

Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

...) method to reduce spatial numerical dispersion, which uses the Fourier transform to compute spatial derivatives accurately. Secondly, to suppress...

2024

Detrital Quartz as a Natural Tracer--fourier Grain Shape Analysis

Robert Ehrlich, John J. Orzeck, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

...Detrital Quartz as a Natural Tracer--fourier Grain Shape Analysis Robert Ehrlich, John J. Orzeck, Bernhard Weinberg 1974 Vol. 44 No. 1. (March...

1974

Sieve Data-Size and Shape Information

Stephen K. Kennedy, Thomas P. Meloy, T. E. Durney

Journal of Sedimentary Research (SEPM)

... periodically during the sieving of single samples and analyzed using Fourier methods. It was found that sediment with the largest harmonic amplitudes...

1985

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