Seismic monitoring using compact phased arrays: CO2 sequestration monitoring

Jian Zhang, Elige B. Grant, Paul A. Nyffenegger, Mark A. Tinker, Kevin D. Hutchenson, Don C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the three-dimensional array response and spatially-coherent processing (beamforming), the system optimally suppresses non-coherent noise while...

Abstract: Geophone and MEMS Accelerometer Comparison at Spring Coulee, Alberta; #90171 (2013)

Michael S. Hons and Robert R. Stewart

Search and Discovery.com

... to be generally incoherent in phase, and represents noise in these data. Overall, the coherent bandwidth from both sensors seems to be very similar...

Recognition of Subtle Features in Geologic Maps

J. E. Robinson, D. F. Merriam

CSPG Special Publications

... together to form a stack in which the coherent signal is enhanced to that of random noise. A similar concept can be applied to geologic data. Should...

Improved Imaging of the Darby Thrust Fault using Multi-Component Seismic Receivers

Search and Discovery.com

Abstracts: Does Accurate Processing of Airborne EM Data Have an Impact on Derived Hydrogeological Units?; #90173 (2015)

Andrea Viezzoli, Camilla Soerensen, and Flemming Jorgensen

Search and Discovery.com

... are expressions of data affected by ambient noise rather than coherent noise due to coupling with infrastructure. Figure 3. Resistivity-depth intervals derived...

Reduction of the Seismic Data Management Problem by Sign Bit Recording

J'T. O'Brien, W. P. Kamp, G. M. Hoover, G. W. Crosby

Indonesian Petroleum Association

... that is a function of redundancy through repeated shots, sweep correlations or stacking. The method requires that the coherent signal to random noise ratio be less...

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...

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...

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...

Data processing experience with PP and PS imaging on SB-DAS: A North Sea case study

R. Bachrach, M. Wilk-Lopes, D. Brager, S. Sonika, C. Thorgersen, E.B. Raknes, Y. Ivanov

International Meeting for Applied Geoscience and Energy (IMAGE)

... visible), linear noise, Scholte wave and energy from an overlapping shot. (b) The same shot gather after noise attenuation. The data are contaminated...

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...

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...

Separation of simultaneous source wavefields using convolutional neural network

Zhehao Li, Hua-Wei Zhou, Kang Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

... (DnCNN) to attenuate the interference signals from the blended shots. Tests on synthetic and field data demonstrate that in terms of signalto-noise ratio...

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: Post-stack attribute-based fracture characterization: A case study from the Permian Basin

Joseph P. Dominguez

West Texas Geological Society

..., the greater the degree of attention that must be given to filtering noise from the data. A robust and unique structurally-oriented post-stack coherent...

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...

Leveraging legacy data: An onshore reprocessing case study from eastern Australia

Bahaa Soliman, Catalina L. Ocampo, Oscar Garcia, Andy Walz, Anthony Goodall, Emily Guidry

International Meeting for Applied Geoscience and Energy (IMAGE)

... attenuated using non-uniform coherent noise suppression (NUCNS) (Bilsby, 2015), designed to model and subtract non-uniformly sampled linear noise due...

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...

Seismic signal considerations for fast reservoir characterization

Folkert Hindriks

International Meeting for Applied Geoscience and Energy (IMAGE)

... time loop thickness now breaks down roughly where the loop splits. Actual seismic data is often contaminated by random and coherent noise, and geology...

Innovative disorder seismic attribute for reservoir characterization

Qiang Fu, Saleh Al-Dossary

International Meeting for Applied Geoscience and Energy (IMAGE)

... quality, e.g. all kinds of noise; Although most of the regions of seismic data usually are stratific, coherent and continuous, there are areas in seismic...

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...

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...

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 monitoring during tunnel excavation area using auto-correlation

Enhedelihai Nilot, Gang Fang, Yun Zhou Tan, Yanlong Niu, Heng Zhang, Yunyue Elita Li

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Cross-correlation based methods rely on the coherent stack of noise recordings from stationary sources, and extract the empirical Green’s function...