Abstract: Robust Surface-Consistent residual Statics and Phase Correction…Part 1; #90224 (2015)

Nirupama Nagarajappa and Peter Cary

Search and Discovery.com

..., coherent noise and signal are often correlated, and spatially varying noise is not uncommon in seismic data. For example, in marshy areas signal...

Abstract: Structure Oriented Hybrid Filter for Enhancing Seismic Edges and Channels; #90319 (2018)

Jinsong Wang, Saleh A. Al-Dossary

Search and Discovery.com

... fails to eliminate certain noises such as impulsive non-Gaussian addictive and salt-and-pepper type noises. It is also ineffective for coherent noise...

Abstract: Coherence and Measures of Coherence: An Advanced 3D Interpretive Processing Application

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... exists; (i) extraneous noise is present, (ii) the system is not linear, and (iii) y(t) is an output due to an input (x) as well as to other inputs...

Polarization Filter by Eigenimages and Adaptive Subtraction to Attenuate Surface-Wave Noise; #41565 (2015)

Stephen Chiu, Norman Whitmore, Michael Gurch

Search and Discovery.com

...Polarization Filter by Eigenimages and Adaptive Subtraction to Attenuate Surface-Wave Noise; #41565 (2015) Stephen Chiu, Norman Whitmore, Michael...

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)

...). These pulses do not appear on correlated gathers as coherent events, but this noise does degrade signal quality and reduces the signal-to-noise...

Volumetric Fault Enhancement Applications; #41869 (2016)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

..., and for that matter any attribute that is generated therefrom. Due to operator aliasing, acquisition footprint and other noise, almost all coherence data volumes...

A New Global Satellite Gravity Dataset for Screening and Evaluating Offshore Basins in S.E. Asia

J. Derek Fairhead, Ian Somerton, Graham Gifford

Indonesian Petroleum Association

... noise and the broad curvi-linear series of east-west Sunda-related anomalies image clearly the Tertiary basins east of Sumatra. Figure 7. Comparison...

Abstract: Attenuation of Scholte Waves from OBC Data Using Polarization Filtering; #91204 (2023)

Yong Qing Chen, Mamadou Diallo, Mustafa A Marzooq, Faisal M Qahtani

Search and Discovery.com

... operates on P and Vz components in the time-frequency domain using Continuous Wavelet Transform (CWT) to attenuate these coherent noise arrivals...

Abstract: Robust Rank-Reduction Filters for Erratic Noise; #90174 (2014)

Stewart Trickett, Lynn Burroughs, and Andrew Milton

Search and Discovery.com

...Abstract: Robust Rank-Reduction Filters for Erratic Noise; #90174 (2014) Stewart Trickett, Lynn Burroughs, and Andrew Milton AAPG Datapages/Search...

Abstract: DREAM™ - Drilling and Real Time Migration: A New Method for the Geophysical Monitoring of Wells

Luca Bertelli, Luca Savini, and Luca Aleotti

Houston Geological Society Bulletin

... it possible to answer two basic questions: Where is the bit in relation to the seismic section? Is the geological prognosis coherent with the while...

Abstract: Curvelet Denoising: Application to Crustal Reflection Data; #90171 (2013)

Jounada Oueity, Vishal Kumar, Ron Clowes and Felix Herrmann

Search and Discovery.com

...., Hadidi, M. T., and Soroka, W. L., 2008, Coherent and random noise attenuation using the curvelet transform: The Leading Edge, 27, 240–248. AAPG Search...

Subsurface seismic imaging using drill bit noise

Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... of ±700 m/s and with seismic energy in the frequency range of 5 to 30 Hz. The noise created by wind can also be identified in Figure 4 (b) as a linear event...

Unlocking Value from Vintage Seismic Processing - Pre-stack Conditioning and Inversion in the Eagle Ford Shale

Andrew Munoz, Bill Shea

Unconventional Resources Technology Conference (URTEC)

... using a linear, parabolic, or hyperbolic moveout equation (Yilmaz 2001). With the gather represented this way, multiples and non-coherent residual...

Predicting Frac Performance and Active Producing Volumes Using Microseismic Data

Charles J. Sicking, Jan Vermilye, Alfred Lacazette

Unconventional Resources Technology Conference (URTEC)

... perpendicular to the linear arrays of the grid arms and passes the coherent nose into the image. The orthogonal grid samples the noise at multiple azimuths...

Understanding the Root Cause of Poor Seismic Data Through Modelling, #41912 (2016).

Anastasia Poole, Peter V. Baaren

Search and Discovery.com

... Conclusions Modelling allows: • Separation of contributing factors • Signal • Coherent noise • Ambient noise • Test both acquisition and processing schemes...

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user

Search and Discovery.com

... coherent noise wavefronts. Recent equipment advances, however, allow us to record individual geophones in sufficient numbers that we can eliminate arrays...

-- no title --

user

Search and Discovery.com

... coherent noise wavefronts. Recent equipment advances, however, allow us to record individual geophones in sufficient numbers that we can eliminate arrays...

Abstract: Seismic Solutions in the Val Verde Basin, by J. D. Underwood and T. R. Nickoloff; #91018 (1992).

Search and Discovery.com

Abstract: A Method to Determine Acquisition Equivalency, by Richard Hastings-James and Peter van Baaren; #90077 (2008)

Search and Discovery.com

SG14: The COCORP Seismic Reflection Traverse Across the Southern Appalachians - Data Acquisition and Processing

Frederick A. Cook, Larry D. Brown, Sidney Kaufman, and Jack E. Oliver

AAPG Special Volumes

... the significant field parameters for both phases of the data acquisition. On all of the lines, the geophones were arranged in a center-weighted linear array...

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... by applying median filters in the frequency domain. DAS common noise manifests as coherent linear arrivals across the entire array at infinite...

Deep learning-based Vz-noise attenuation for OBS data

Jing Sun, Arash Jafargandomi, Julian Holden

International Meeting for Applied Geoscience and Energy (IMAGE)

... dips of coherent noise and coherent signal. We propose a deep-neural-network (DNN) approach to remove this type of noise from ocean-bottom-node (OBN...

Abstract: Utilizing Seismic Attributes for Machine Assisted Fault Detection and Extraction; #91204 (2023)

Muhammad Khan, Yasir Bashir, Saleh Dossary, Syed Ali

Search and Discovery.com

.... Initially, noise cancellation is applied to remove coherent and random noise (from acquisition footprints and serrations along reflectors respectively...

The deblending processing of multi-well 3D DAS-VSP data in the Middle East

Fei Li, Gang Yu, Haibo Liu, Jiawen Song, Yanbin Zhang, Yuanzhong Chen, Tiankui Yin, Jianxin Han, Qingfeng Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... source signal, resulting in an unsatisfactory signal noise separation effect. For this reason, some scholars use the predictability between coherent...

Enhancing Seismic Discontinuity Attributes with Creative Workflows; #42025 (2017)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... in interpretation, though the quality of the attributes generated depends on the quality of the seismic data in terms of coherent noise, incoherent noise...