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)

... domain, where the signal and noise have different characteristics. The spatially random noise uncorrelated from trace to trace can be attenuated...

ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90133 (2011)

Mike Burnett

Search and Discovery.com

... to 3D geologic resolution in the onshore environment with the lower fold and uneven spatial sampling. Filters for random noise which are applied post...

ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90129 (2011)

Mike Burnett

Search and Discovery.com

... domains where the noise is isolated from the signal. These methods tend to work reasonably well offshore where the signal is densely sampled spatially...

Abstract: Adaptive f-xy Hankel Matrix Rank Reduction Filter to Attenuate Coherent Noise; #90174 (2014)

Nirupama (Pam) Nagarajappa

Search and Discovery.com

... roll. In typical land acquisition geometries, the noise is aliased spatially. A common factor among all noise types is the variability of noise...

A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

... as the initial post stack process, random noise and spatially aliased linear noise are reduced. The data is thus favorably conditioned for subsequent...

Analyzing the impact of additive and multiplicative noise on seismic data analysis

Akshika Rohatgi, Andrey Bakulin, Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... in preserving the signal integrity. Multiplicative noise with random perturbations is new to the seismic field, but this kind of phase perturbation...

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

Stewart Trickett, Lynn Burroughs, and Andrew Milton

Search and Discovery.com

... at removing Gaussian random noise. Prestack seismic data, however, often contains spatially erratic noise which is far from Gaussian, sometimes causing...

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)

... Noise System noise consists of the noise generated by the sensor and front-end electronics. It is usually a white random noise. The contribution...

Causes and Appearance of Noise in Seismic Data Volumes, by Satinder Chopra and Kurt J. Marfurt; #41476 (2014).

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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...

Acquisition Footprint Removal for Better Fault and Curvature Attributes, by Satinder Chopra, Kurt J. Marfurt, and Somanath Misra, #40719 (2011).

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ABSTRACT: Post-Stack Signal Enhancement, by Steve Spratt; #91035 (2010)

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Phase pilot recovery: A foundation for mitigating speckle scattering noise in seismic data

Akshika Rohatgi, Andrey Bakulin, Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... variability. To model and explain these effects, a multiplicative random noise model based on the speckle mechanism of small-scale scattering has been proposed...

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... high frequency scatter and nature noises. Keywords: Curvelet, Denoise, Random Noise, Linear Noise, Steep Dip Noise. INTRODUCTION Noise cancelling...

Getting Something for Nothing: Noise Attenuation in an Aliased World; #41291 (2014)

David C. Henley

Search and Discovery.com

..., and that there is less random noise, as well, due to the interpolation. Reflections are visible at all levels in Figure 6, but deeper ones...

Seismic speckle as multiplicative noise explaining land reflections distorted by near-surface scattering

Andrey Bakulin, Dmitry Neklyudov, Ilya Silvestrov

International Meeting for Applied Geoscience and Energy (IMAGE)

... of such distortions seen on the field data. The first type of multiplicative noise with random phase perturbations explains the severe coherency loss and a substantial...

Abstract: Importance of Pre-Frack Site Surveys and Broadband Seismometers to Microseismic Monitoring; #90174 (2014)

N. Ackerley and N. Spriggs

Search and Discovery.com

... Small Events The site noise will have some components which are stationary and some which are not. The noise will also be spatially correlated in some...

Abstract: Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #90310 (2017)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe

Search and Discovery.com

... balanced amplitudes and are also significantly denoised with respect to both the random (speckled) noise and the more coherent (swing) noise...

Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)

Kristof De Meersman and Majda Mihoub

Search and Discovery.com

... synthetic with dispersive elliptically polarized surface wave noise in the presence of PP and PS reflections and random background noise...

Abstract: FX Singular Spectrum Analysis; #90171 (2013)

Mauricio D. Sacchi

Search and Discovery.com

.... Cadzow filtering is equivalent to SSA when considering sinusoidal waveforms immersed in additive random noise. The intention of this abstract...

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

... and spatially predictable. In the LIFT technique, signal or noise can be modeled in a variety of well-established ways, such as FX Decon for random...

Abstract: Challenges in AVO Compliant Processing of Multiple Surveys; #90171 (2013)

Greg Cameron, Josef Heim, Frederik Horn, and Andy Dyke

Search and Discovery.com

....) and exhibit characteristic coherent noise trends. Furthermore the random noise of each survey depends on environmental conditions and ambient noise...

Abstract: Challenges in AVO Compliant Processing of Multiple Surveys; #90171 (2013)

Greg Cameron, Josef Heim, Frederik Horn, and Andy Dyke

Search and Discovery.com

....) and exhibit characteristic coherent noise trends. Furthermore the random noise of each survey depends on environmental conditions and ambient noise...

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 shot generated ground roll. Following this it was possible to better attack the noise of random type. SA N F R A N C ISC O Paramet ers Paramet ers B...

A simple modeling experiment for understanding the impact of noise on high-resolution high-density near surface seismic reflection data

Ted Stieglitz, Jim Pfeiffer, Juan Ortega, Doug Laymon

International Meeting for Applied Geoscience and Energy (IMAGE)

...). We postulate that even in a noisy data environment, the summation over data will supersede the integration over background noise which is random...