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The AAPG/Datapages Combined Publications Database
Showing 44,036 Results. Searched 200,293 documents.
Enhancing high-frequency vibroseis images of near surface: Uncorrelated is key
Richard D. Miller, Zachary Lawrence, Alex Martinez, Julian Ivanov, Dmitry Borisov, Joseph Reilly
International Meeting for Applied Geoscience and Energy (IMAGE)
... vibroseis images of near surface: Uncorrelated different types of sensors deployed to allow direct comparison of recorded data. Key...
2023
Methods for reducing unwanted noise (and increasing signal) in passive seismic surveys
Tim Dean, Aidan Shem, Mus'ab Al Hasani
Petroleum Exploration Society of Australia (PESA)
... noise spectrum of an instrument adjusted for three different noise levels, 0.3, 0.6, and 1.2 µV respectively. In this example we can see that we...
2018
Abstract: Confidence and Accuracy of Microseismic Images; #90171 (2013)
S.C. Maxwell
Search and Discovery.com
... corresponded to the arrival time of induced seismic events resulting in a localized “noise” spike. Of particular interest in this example...
2013
Surface Source Technology
Stan D. Brasel
Pacific Section of AAPG
... theory. Since good records means good signal-to-noise ratios both the signal and noise characteristics of seismic source systems must be evaluated. First...
1972
Automating the thresholding of multi-stage iterative source separation with priors using machine learning
Nam Pham, Rajiv Kumar, Sunil Manikani, Yousif Izzeldin Kamil Amin, Phillip Bilsby, Massimiliano Vassallo, Tao Zhao
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 𝒅 is the blended data, and 𝜖 is the noise level up to which we want to fit the leastsquares misfit. MS-ISSP targets different signal at different stages and uses...
2024
Seismic Frequency Bandwidth Constraints in Deepwater Locations
Andrew Long, Iain Buchan
Indonesian Petroleum Association
... characteristics and complex stratigraphic styles collectively yield surface seismic data that has a small frequency bandwidth and a poor signal-to-noise content...
2004
Use of extended source inversion for estimating the noise level in seismic data
Huiyi Chen, William W. Symes, Susan E. Minkoff
International Meeting for Applied Geoscience and Energy (IMAGE)
... the noise estimation algorithm. We repeat the experiment with different initial target noise levels ranging from etar = 0.1 to 0.6. For both...
2022
Application of Lift Technique before Spectral Decomposition to Re-Model Channel Distribution in the Sungai Gelam Field, Jambi
Agi Robby Rizaldi, Firman Fauzi
Indonesian Petroleum Association
... data processing is attenuating these different noise types while preserving the character of the underlying data. Traditional noise attenuation methods...
2015
Abstract: Black Box Recording of Passive Seismicity: Pitfalls of not Understanding your Acquisition Instrumentation and its Limitations; #90187 (2014)
Ted Urbancic and Andreas Wuestefeld
Search and Discovery.com
... outline frequency and bandwidth limitations, consider different noise and resonance effects on signals, the effects of coupling behaviour, and introduce...
2014
Key Features of TEM and EM-IP Investigations in South-East Asia (Paper P45)
Y. A. Agafonov, I. V. Bouddo, I. V. Egorov, M. M. Salleh
Geological Society of Malaysia (GSM)
... was complicated by several factors. Through the analysis of EM data the different types of noise interfering with electromagnetic data were estimated...
2012
Vector denoising of multicomponent seismic data based on quaternion weighted nuclear norm minimization
J. J. Gao, X. Wang, Y. H. Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., leading to weak signals being suppressed as random noise, but also damage the vector characteristics of seismic wavefield. Some researchers have...
2024
A Case Study on the Challenges Overcome in the Merge of Seven On-Shore 3-D Surveys of Varying Acquisitions in Huila Department, Colombia
Henry Maldonado, Timothy Brooks, Lilia Maria Saavedra, Gilbert Gutierez, Albeiro Saavedra, Peter Watterson
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... to noise ratio of the different surveys. Due to the difficult signal to noise ratio of the data in many areas and the different acquisition grids...
2009
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)
.... Introduction The seismic imaging profiles often contain various types of noise, such as random noise and spatial aliasing, which can interfere...
2024
Amplitude Recovery of Digitally Recorded Data
Roy O. Lindseth
Pacific Section of AAPG
... of this procedure. However, there are many other types of noise which cause the output amplitude characteristics to be quite different from the model...
1972
Abstract: Challenges in AVO Compliant Processing of Multiple Surveys; #90171 (2013)
Greg Cameron, Josef Heim, Frederik Horn, and Andy Dyke
Search and Discovery.com
... geometry, overlaps between surveys, and different noise content must be compensated for if seismic data are to be merged with the ultimate goal...
2013
Abstract: Challenges in AVO Compliant Processing of Multiple Surveys; #90171 (2013)
Greg Cameron, Josef Heim, Frederik Horn, and Andy Dyke
Search and Discovery.com
... geometry, overlaps between surveys, and different noise content must be compensated for if seismic data are to be merged with the ultimate goal...
2013
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)
... types. 5. Removing the noise wave types from the data while preserving the signal. These steps involve both advanced understanding of machine learning...
2024
Overcoming signal processing challenges on a deep-water sparse OBN survey: A case study from the Gulf of Mexico
Matthew Salgadoe, Nigel Seymour, Hongyan Li, Di Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... noise are addressed using a sparsity-promoting deblending scheme, a novel linearized travel time inversion, and a curvelet-domain shear-noise...
2022
Seismic Monitoring of Hydraulic Fracturing Activity at the Marcellus Shale Energy and Environment Laboratory (MSEEL) Site, West Virginia
Abhash Kumar, Erich V. Zorn, Richard Hammack, William Harbert
Unconventional Resources Technology Conference (URTEC)
... in Figure 1. We observed two types of impulsive events with differing waveform characteristics. The two groups of events are geographically separated from...
2017
A New Solid Streamer Design
Rune Tenghamn, Andrew Long
Petroleum Exploration Society of Australia (PESA)
... streamer noise types are therefore highly variable accordin g to the combination of vessel towing characteristics, streamer design, and sea state...
2005
The new method of sandbody connectivity characterization for fluvial reservoir and its application in Bohai oilfield
Xuetong Liu, Hebing Tang, Xuefeng Zhou, Zhenglong Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... which has three horizontal events in the profile. The 15% of random noise is added in the original data as shown in Figure3b, which the S/N is low...
2024
Passive Seismic Monitoring and Integrated Geomechanical Analysis of a Tight-Sand Reservoir During Hydraulic-Fracture Treatment, Flowback and Production
David Eaton, Mirko van der Baan, Larry Matthews, Enrico Caffagni
Unconventional Resources Technology Conference (URTEC)
... activity. It is notable that some types of events, such as LF tremor, occur in apparent bursts of activity that do not correlate with these noise...
2014
Seismic Processing Strategies in the Deep Water Kutai Basin Gendalo Hub Pre-Stack Depth Migration
Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao
Indonesian Petroleum Association
... in the next processing phase. The challenge was to derive parameters which attenuated the different types of noise without damaging the underlying primary...
2011
Abstracts: Geophysical Time Series Data from a Stressed Environment; #90173 (2015)
Winnie Pun, Bernd Milkereit, Benoît Valley, and Wei Qian
Search and Discovery.com
... are employed in this survey to capture events at a wide range of frequencies (0.1Hz to 8kHz). Three types of recordings are observed: EM noise (Figure...
2015
Application of Robust Noise Reduction on a Land 3D Seismic Data
Agus Abdullah, Jesse Shaw
Indonesian Petroleum Association
... and noise map into different sets of coefficients after curvelet transformation. * ExxonMobil Oil Indonesia, Inc. Land seismic data are commonly...
2012