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)

... of residual statics. The noise removal was performed step by step, first removing the coherent noise present in the data that was generally related...

Clari-Fi’: Broadband Data from Conventional Streamer Acquisition

Nic Woodburn, Tom Travis, Hassan Masoomzadeh, TGS

GEO ExPro Magazine

... noise. Techniques employed include coherent noise attenuation using a time and space variant f-x apparent velocity dip filter; several iterations...

Using the amplitude spectrum to characterize cable coupling of DAS traces

Jiuxun Yin, Takashi Mizuno, Joel Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... the poorly coupled sections with strong ringing noises (Figure 2b vs. Figure 3a). Because the surface field noise is coherent at all shallow DAS traces...

Nightmare Multiples — A Step Towards a Solution

George Yao, Bob Estill, Daniel Heinze, Hans Tieman, Yusri, Jim Waugaman

Indonesian Petroleum Association

..., 2001. An efficient 3D depth model-based, coherent noise suppression technique: 71st Ann. Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts, p...

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... image. The methodology inherently allows the attenuation of multiple energy, and coherent as well as non coherent noise. This powerful filtering...

Deblending seismic data using multistage iterative source separation with priors A case study using streamer 3D data

Wilson Ibanez-Jacome, Jarred Hostetler, Rajiv Kumar, Wouter Gerrit Brouwer, Saeeda Hydal, Yousif Izzeldin Kamil Amin

International Meeting for Applied Geoscience and Energy (IMAGE)

... workflows. A wide range of source separation technologies exist to deblend the data, but many of these technologies rely on coherent noise attenuation...

Measuring seasonal velocity variations on an urban DAS array

Jihyun Yang, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... July 14th, 2020 at 9AM UTC, which clearly exhibits undesirable vertical streaking. This observation motivated us to apply temporal linear trending...

Why Should We Pay for a Merged Survey that Contains the Data We Already Have? An Oklahoma Red Fork Example

Yoryenys Del Moro, Alfredo Fernandez Abad, Kurt J. Marfurt

Oklahoma City Geological Society

... then reprocessed together with newer technology including the noise attenuation, tomographic reference static, and the migration algorithms shown...

A ground roll attenuation method based on CAResU-net with adaptively frequency-induced loss

Siyu Sun, Guosong Tang, Wei Bao, Guofa Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... Ground roll, a common coherent noise in field seismic data, exhibits distinct characteristics, including low frequency, low velocity, and high amplitude...

Petrophysical Evaluation of Carbonates from the Weyburn Oil Field Using Synchrotron X-Ray Computed Microtomography

Chad Glemser, Tom Kotzer, , Steve Whittaker, and Chris Hawkes

Saskatchewan Geological Society

...: [email protected] Abstract  Synchrotron X-ray Computed Microtomography (CMT) is a powerful imaging technique that utilizes coherent and brilliant...

Abstracts: Geophysical Study of the Peace River Landslide; #90173 (2015)

Oluwafemi O. Ogunsuyi, Douglas R. Schmitt, Derek Martin, James Morgan, and Corey Froese

Search and Discovery.com

... with spiking deconvolution and radial domain processing (Henley, 1999) to enhance reflections and reduce linear noise (see Ogunsuyi, 2010 for details). First...

Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)

Juefu Wang and Shaowu Wang

Search and Discovery.com

... each other. Moreover land data are often contaminated with large amount of noise including random noise and coherent noise (ground roll etc), which...

Improved Understanding and Interpretability Beneath the Complex Accretionary Section in West Timor, Indonesia, Via Marine Broadband Seismic and Beam Depth Migration

Mazin Farouki, Felice D'Alterio, Erika Gentile

Indonesian Petroleum Association

..., diffractions, or any form of coherent noise, as long as they exhibit coherency. For each identified wavelet event, a series of attributes are computed which...

New Seismic data from the Great South Basin, South Island, New Zealand

Chris Uruski

Southeast Asia Petroleum Exploration Society (SEAPEX)

... its access to the New Zealand Supercomputer. The processing group contended with a range of coherent noise trains. A dense set of shallow, possibly...

ABSTRACT: Dramatic Improvements in Seismic Imaging Using New Single Sensor Technology, by Roger Dowdney and Leon Walker; #90913(2000).

Search and Discovery.com

Abstract: Impacts of Acquisition Footprint Analysis on Thin Bed Edge Detection Attributes, by Inanli, Burcin, Kurt Marfurt, and Bob Wiley; #90031 (2004)

Search and Discovery.com

Receiver Functions and Surface Wave Dispersion Modeling of the Crust and Upper Mantle beneath the Texas Gulf Coast

Search and Discovery.com

Carbonate Reservoir Characterisation: A Middle East Case Study Using 3-D Seismic Analysis Workflows, #40805 (2011)

Gaynor Paton, Helen Basford, Anthony Avu, Frank van Kleef

Search and Discovery.com

.... The data used in this study were dominated by steeply dipping coherent noise. This not only made interpretation difficult but also introduced artefacts...

Extending the Resolution of Seismic Reflection Exploration

L. R. Denham

Pacific Section of AAPG

... coherent noise often act as a high-cut filter on reflections (Figure 8). A further problem with arrays is that the array actually implemented in the field...

Advanced Deblending Scheme for Independent Simultaneous Source Data

M. Wang, Z.H. Chen, C. Chen, F.C. Loh, T. Manning, S. Wolfarth

Petroleum Exploration Society of Australia (PESA)

... the corresponding cross-talk noise N i = ΓSi can be modelled and subtracted from the data using the known source firing time. The remaining coherent...

Abstract: Digital Expert for DAS Passive Seismic Monitoring: Integration of Image Processing and Geophysical Processing; #91204 (2023)

Takashi Mizuno, Joel Le Calvez, Nicholas Fundytus, and Pierre Bettinelli

Search and Discovery.com

... arrivals in the image domain. Please note coherent noise can be isolated from seismic signals by Hough transform (marked in yellow circle in right...

Design of the Acoustic Zoom Method for Non-Specular Backscatter Imaging of the Eagle Ford Formation, #41495 (2014).

J. Guigne, S. Azad, C. Clements, A. Gogacz, W. Hunt, A. Pant, J. Stacey

Search and Discovery.com

... Requirements Spatial Response Ambient Noise Reduction The source energy was injected using a modified vibroseis truck. Five vibroseis locations were...

A new reverse time migration denoising method based on diffusion filtering with X-shaped denoising operator

Chongpeng Huang, Yingming Qu, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... been widely used in practical production. However, due to the use of the twoway wave equation and the time-coherent imaging criterion, RTM image...

Shaping regularization by fast explicit diffusion

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

.... I., S. Osher, and E. Fatemi, 1992, Nonlinear total variation based noise removal algorithms: Physica D: Non-Linear Phenomena, 60, 259–268, doi: https...

Multi-realization seismic data processing with deep variational preconditioners

Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... of of the wavefield components in this domain are coherent (as opposed to the common-receiver domain, which contains tracewise blending noise); therefore...