The role of geophysics in offshore geotechnical site characterizations in the energy transition era: From oil and gas to renewables

Jinbo Chen, Shuang Hu, Marianne Vissinga, Yi Shen, Stephan Gelinsky

International Meeting for Applied Geoscience and Energy (IMAGE)

... progress has been made recently, based on our experience more needs to be done: 1. Further simplify the seismic data conditioning, processing...

Integrating Seismic Imaging and Inversion

Francisco Bolivar, Richard Cooper, Lucy MacGregor, Jacqueline O’Connor, Jeff Codd, David Kessler

GEO ExPro Magazine

... processing. PSDM volumes are used for interpretation and prospect generation and, if accurately created, will consist of seismic events imaged...

Reservoir Delineation by Geophysical Methods in the Suizhong 36-1 Oil Field, Bohai Gulf, China

J.B. Gustavson, S.G. Xin

Circum Pacific Council Publications

... traps. Seismic data was reprocessed and interpreted. Synthetic seismograms were used for correlation and for wavelet processing of the seismic data...

Machine Learning Validation: An Often Understated Requirement in Geophysics

Charles Puryear

GEO ExPro Magazine

... to tuning T/2, where T is the dominant period of the wavelet. Below the tuning thickness, amplitude decreases approximately linearly with thickness. F I G U...

Abstract: Agbami Field, Nigeria—Addressing Challenges and Uncertainty

David Grimes, Elliott Ginger, and John Spokes

Houston Geological Society Bulletin

... interval primary reflections over much of the field, seriously degrading the data, especially in the pre-stack domain. Earlier processing of the data...

Extended Abstract: New Lightning Attribute Volumes Compared to the Texas Bureau of Economic Geology (BEG) Stratton 3D Seismic Survey

Kathleen S. Haggar, Les R. Denham, H. Roice Nelson, Jr.

GCAGS Transactions

... and available for cleaning, processing, and analysis, the analysis expands out from the Stratton 3D seismic covering an area approximately 65 mi...

3.3 Inverted Extensional Features: Gippsland Basin, Southeastern Australia

P. N. Davis

AAPG Special Volumes

... of the Tasman Sea reappraised: Earth Planetary Sci. Letters, v. 36, p. 77-84. APPENDIX: FIELD RECORDING AND PROCESSING PARAMETERS FOR LINE A AND LINE B...

2001 AAPG Foundation Grants-in-Aid Projects, - Abstracts, #90902 (2001).

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EXTENDED ABSTRACT: Sub-basalt imaging from a wave propagation point of view; #90022 (2002)

Richard Hobbs, Francesca Martini

Search and Discovery.com

... frequencies in the source wavelet will get preferentially scattered. So as the seismic wave passes through the basalt only the lower frequencies retain...

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... for microseismic event localization. Traveltime based methods require P- and S- wave first arrival picking before further processing. This type of method does...

Phase Residules Can Reveal Stratigraphic Features, by Oswaldo Davogustto; #41141 (2013).

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New Perspectives on Seismic Sequence Imaging in the Geological Challenging Frontier M9 West, Offshore Myanmar; #30590 (2018)

Khunamai Rungsai

Search and Discovery.com

... of broadband data then becomes very important to carefully model these channels and get the best out of the PSDM processing sequence. Another objective...

An application of FWI with progressive transfer learning

Shirui Wang, Jinjun Liu, Yuchen Jin, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... with abundant and diverse training datasets, deep learning practices for seismic processing problems face many data issues: (1) there is not enough high...

Suppression of coherent and random noise using adaptive thresholding method in seismic-while-drilling

Yue Ma, Yujin Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... In reflection seismology, primary reflections in seismic records are often obscured by random and coherent noise, making the subsequent processing, imaging...

An anti-aliasing plane wave decomposition method based on local linear Radon transform

Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Ocean and Earth Science, Tongji University Summary Plane wave decomposition (PWD) is widely used in seismic data processing. Linear Radon Transform (LRT...

Feature template based nonlinear time difference correction for first break automatic picking

Chao Ning, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... in complex mountainous areas. Introduction First break picking is an essential procedure in seismic-data processing. It is used as the input...

Critical Depth Uncertainty Analysis for Accurate Well Planning at Tangguh

Nurfiana Rachmawati

Indonesian Petroleum Association

... difference of both structural maps, which resulted from alternative processing techniques and velocity model approaches, is critical to be captured...

Abstract: Stratigraphic Correlation Division Algorithm Based on Log Curves Filter Synthesis and Similarity Measurement; #91204 (2023)

Mengxin Song, Chengci Wang, Hongping Miao, Yu Ren

Search and Discovery.com

... hindering layering with morphological filtering in the wavelet transform layering method, effectively reducing the pseudo stratigraphic division, so...

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

... À tm Þ ¼ Rði; ; tm Þ maxðwÞ: Á ð6Þ Hence, the reflectivity over a horizon at tm for a zero-phase wavelet is Calculations HTI The P-wave reflectivity...

VMD Based Sedimentary Cycle Division for Unconventional Facies Analysis

Fangyu Li, Tao Zhao, Yin Zhang, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

..., for instance, short-time Fourier transform (STFT) and continuous wavelet transform (CWT) are classical TFA tools (Partyka et al., 1999; Sinha et al...

Structural Interpretation of the Table Rock Area 3-D Survey, Sweetwater County, Wyoming

Cynthia B. Russell, Donald S. Stone

Rocky Mountain Association of Geologists

...-variant spectral whitening over 10-100 Hz, statistical attenuation, removal of anomalous amplitudes, and model-based wavelet processing to bring...

Illuminating Fine Scale Geology and Creating Robust Seismic Attributes Using High Trace Density Seismic Data in the Midland Basin

Andrew Lewis, Bruce Karr, Ron Bianco, Stonnie Pollock

Unconventional Resources Technology Conference (URTEC)

... more comprehensively captures azimuthal delay time differences that may be indicative of anisotropy. Processing algorithms can measure and remove...

The Role of Regional Seismic Surveys in the Exploration of the North West Shelf

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

... every 50 m yielding 12.5 m common-depth-points (CDPs) with 48-fold coverage. PGS Nopec assisted AGSO with the processing and marketing of most...

Abstract: Interpretive Methods of Stratigraphic Modeling, by Thomas R. Wittick, Alan P. Frick; #90968 (1977).

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Abstract: Seismic Modeling of the Rose Run Formation, Eastern Ohio, by B. L. Roth; #91005 (1991).

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