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Showing 31,713 Results. Searched 201,049 documents.
Abstracts: CDP Noise Attenuation Using Local Linear Models; #90173 (2015)
Todor I. Todorov and Gary F. Margrave
Search and Discovery.com
... while preserving the AVO amplitude variations. Introduction Seismic noise attenuation plays an important part in a seismic processing flow (e.g. Yilmaz...
2015
Cable Noise Analysis and Suppression in DAS-VSP Data, #42052 (2017).
Zhidong Cai, Yanhua Wang, Congwei Liu, Qinghong Zhang, Xiaoyin Xu,
Search and Discovery.com
... all wavelets to an average wavelet. The Cable noise attenuation law is dependent on optical fiber materials and length. According to a lot of tests...
2017
Abstract: A New Method of Multiple Attenuation: Multiple Identification and Subtraction (II); #90171 (2013)
Wen-Jing Wu
Search and Discovery.com
... We found that the noise, random and/or coherent, interferes with multiple attenuation in MIDAS less than in Radon transformation method. Figure 1...
2013
A New Method of Multiple Attenuation: Multiple Identification and Subtraction
Search and Discovery.com
... prove the advantage of this method. Introduction The Radon transform method is widely used in multiple attenuation. The problem of the Radon transform...
2013
Abstract: Adaptive f-xy Hankel Matrix Rank Reduction Filter to Attenuate Coherent Noise; #90174 (2014)
Nirupama (Pam) Nagarajappa
Search and Discovery.com
... on the nature of coherent noise. Introduction In seismic processing, preserving the amplitude versus offset (AVO) behavior of signal is extremely...
2014
Seismic imaging profile noise suppression based on self supervised deep learning: a case study in the Yellow Sea
Qiang Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... the encoding and decoding structure, the goal of noise attenuation on seismic imaging profiles is achieved. The test results on forward simulation...
2024
Refraction multiple attenuation by pattern-based machine learning with a case study
Chunming Wang, Xiaohong Chen, Yongsheng Wang, Christof Stork, Sissy Theisen, Seann Day, Junru Jiao, Grace Yan, Xianhuai Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
...Refraction multiple attenuation by pattern-based machine learning with a case study Chunming Wang, Xiaohong Chen, Yongsheng Wang, Christof Stork...
2024
From geophone arrays to point receivers: Implications for sensor and land survey design
Nicolas Goujon, Tom O’Toole
International Meeting for Applied Geoscience and Energy (IMAGE)
... sensors has lower signal-to-noise ratio (SNR) than that acquired using geophone arrays due to noise attenuation in the array. However, the benefits...
2024
Extended Abstract: Seismic Interference Attenuation
Johan-Fredrik Synnevåg, Arne Åsnes
Petroleum Exploration Society of Australia (PESA)
... SEARCHER SE I SMIC Seismic Interference Attenuation by Johan-Fredrik Synnevag & Arne Asnes, Bergen Oilfield Services Introduction W hen multiple...
2010
Detection and suppression of strong energy interference waves within the black triangle using a data-driving self-adaptive frequency-decomposition approach
Haifeng Chen, Xiangyang Li, Zhongping Qian, Pengyuan Sun, Xiaoying Qin, Dingyu Xiong
International Meeting for Applied Geoscience and Energy (IMAGE)
... using the attenuation factor to obtain the noise model. (3) A comprehensive strong energy noise model will be aggregated with the noise models obtained...
2024
Widening the Acquisition Time Window with Swell Noise Attenuation Capability (Geophysics Paper 3)
George McKinley, Wayne Zanussi
Geological Society of Malaysia (GSM)
...Widening the Acquisition Time Window with Swell Noise Attenuation Capability (Geophysics Paper 3) George McKinley, Wayne Zanussi PERTEMUAN PERSATUAN...
2008
Polarization Filter by Eigenimages and Adaptive Subtraction to Attenuate Surface-Wave Noise; #41565 (2015)
Stephen Chiu, Norman Whitmore, Michael Gurch
Search and Discovery.com
... and input data. The filter is applicable to any acquisition geometry because it operates on a single station. Introduction The attenuation of ground roll...
2015
Seismic Spectral Signatures of the Badak Oil and Gas Field, Onshore Kutei Basin, Kalimantan, Indonesia: An Example of Seismic Reservoir Imaging and Characterization
Arif Wibowo, Jeff Towart, James Dirstein, Maher Maklad
Indonesian Petroleum Association
...) processing flow. The first step was application of a noise attenuation technique to reduce the levels of coherent and random noise in the data and thus...
1999
Abstract: Nisku Multiple Attenuation with Interpolation and Sparsity: A Case Study; #90172 (2014)
Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Mike Perz, Ye Zheng
Search and Discovery.com
...Abstract: Nisku Multiple Attenuation with Interpolation and Sparsity: A Case Study; #90172 (2014) Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley...
2014
Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)
Waheduzzaman Talukder and Ralph Phillip Bording
Search and Discovery.com
... effect and scattering of energy. Key words: Attenuation factor; centroid frequency down shift method; spectral ratio method; VSP Introduction...
2014
Seismic data denoising by combining self-supervised and supervised learning
Yen Sun, Paul Williamson
International Meeting for Applied Geoscience and Energy (IMAGE)
... for each dataset. Conventional ground-roll noise attenuation methods involving domain transform or decomposition can be timeconsuming. Recent studies have...
2023
Iterative 3D deterministic and data-driven multiple attenuation for deep-water OBN in the Campos Basin
Thais Sales, Frederico Xavier de Melo, Joel Monteiro, Dmitri Skorinski, Shady Attia, Mohammad Ghazey, Marcella Braga, Etory Sperandio, André Ferreira, Moacyr Bezerra, Thiago Costa
International Meeting for Applied Geoscience and Energy (IMAGE)
...Iterative 3D deterministic and data-driven multiple attenuation for deep-water OBN in the Campos Basin Thais Sales, Frederico Xavier de Melo, Joel...
2024
Tulip Field 3D Coil Shooting SurveyPreliminary Data Processing Results
Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas Tyasbudi Waluyo, Swee Leng Ng
Indonesian Petroleum Association
... the possibility of the full noise attenuation process attenuating the strong multiple reflections. This was undesirable prior to the demultiple stage...
2010
Seismic erratic noise suppression based on Laplacian-scaled mixture prior
Haotian Xu, Weiwei Xu, Wenchao Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... method is presented using synthetic and field examples. Introduction How to get a robust noise suppression result is a focus of seismic data...
2022
Abstracts: Attenuating 2D Noise in a 3D World; #90173 (2015)
David C. Henley
Search and Discovery.com
... and processing, for the removal of source-generated coherent noise, some of them quite effective. Most coherent noise attenuation techniques are designed...
2015
Abstract: Inverse Scattering Series Internal Multiple Attenuation: A Western Canada Case Study; #90224 (2015)
Frederico Xavier de Melo, Murad Idris, Jason Gardner, Jill Woods
Search and Discovery.com
.... This survey was recently reprocessed to address most of the noise contamination present in the data, including this multiple attenuation workflow...
2015
Different Approaches of Combining Geophone and Hydrophone Data From OBC Seismic at Bintuni-Berau Bay, Papua
Tepy Septyana, Yayat Supriatna, Supriyono, Greg Schurter, James Keggin, Jean-Jacques Chameau
Indonesian Petroleum Association
...’ attenuation, whether applied pre-stack or post-stack. Keywords: OBC multicomponent, PZ summation, Bird Head Papua Seismic Challenges INTRODUCTION One...
2010
Improving subsalt imaging using mode-converted waves and volumetric coherent noise attenuation in southern Gulf of Mexico
Riaz Alai, Nik Nur Halim C. Soh, M Shah B. Sulaiman, M. Iqbal Supardy, Kien Kok Lee, Sandeep Kumar, Syazwani Bt Suhairi, Christian Brinzer, Frederico Xavier de Melo, Hongyan Li, Iestyn Williams, Hugo Enrique Munoz Cuenca, Nolan Brand, Kate Glaccum, George Zhao, Saeeda Hydal, Khaled Abdelaziz, Emmi Sanchez Vargas
International Meeting for Applied Geoscience and Energy (IMAGE)
...Improving subsalt imaging using mode-converted waves and volumetric coherent noise attenuation in southern Gulf of Mexico Riaz Alai, Nik Nur Halim C...
2024
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)
... with field data specially acquired for a seismic while drilling (SWD) test. Introduction Suppression of random and coherent noise is a critical step...
2022
Enhancing seismic data quality: A machine learning approach to denoising and signal damage reduction
Mark Roberts, Olga Brusova, Leandro Gabioli, Alejandro Valenciano
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Introduction Seismic data from offshore marine streamer data can contain many types of background noise, including swell noise caused by waves and swell...
2024