Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

..., namely the Love wave (wave L) and Rayleigh wave. In general, noise is divided into random noise and noise related coherently, and the noise...

Low-rank representation for reflectivity model and its applications in least-squares migration

Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The corresponding misfit coacoustic modeling is employed to compute commonfunction can be expressed as source gathers, after which random noise is added to 1...

Pre-drill Reservoir Evaluation Using Passive Seismic Imaging

Charles Sicking, Jan Vermilye, Ashley Yaner

Unconventional Resources Technology Conference (URTEC)

... in X, Y space of the image volume for a synthetic in which the signal was added into traces with a background of random noise. The signal was added...

3D seismic modelling fast adaptability in the face of operational constraints „ A case study

Clemence Cuvilliez, Aline Robin, Veronique Duprat, Camille Le Magoarou, Bruno Pagliccia, Severin Rubio, Enrico Zamboni

International Meeting for Applied Geoscience and Energy (IMAGE)

... the implementation of a Kirchhoff de-migration/re-migration workflow for seismic modelling, focusing on a deep-offshore OBN acquisition case study. This study aimed...

Critical Analysis of Stack Seismic Systems: DISCUSSION

Richard H. Hopkins

AAPG Bulletin

...--to the point where its effect is less than other random errors in the statics, velocity, detector plants, etc. I believe the crux of the matter...

Abstract: Progress and Challenges in the Processing and Use of Land Seismic Data Acquired via Compressive Sensing; #91204 (2023)

Gregory Culianez, Tahar Ben Youssef, Mohammad Farooqui, Ahmed Al Harthi

Search and Discovery.com

... sequence includes major signal processing steps such as linear and random noise attenuation, deconvolution, final pre-migration reconstruction by 5D...

Seismic Frequency Bandwidth Constraints in Deepwater Locations

Andrew Long, Iain Buchan

Indonesian Petroleum Association

..., p. 438-452. Kray, T. C., 2001. Attenuation of random noise in 2-D and 3-D CDP stacking and Kirchhoff migration, 3-D Seismic Exploration: SEG, p...

Land seismic multi-parameter FWI imaging

Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing

International Meeting for Applied Geoscience and Energy (IMAGE)

... removal (adaptive notch filtering), despiking, refraction static corrections, linear noise removal, random noise removal, surface-consistent...

Closing the loop between acquisition and processing: Data-driven volumetric SNR estimation versus acquisition design predictions

Andrey Bakulin, Ilya Silvestrov, Pierre Leger

International Meeting for Applied Geoscience and Energy (IMAGE)

... log 𝑆𝑆𝐸.While based on a simple assumption of random noise, such a formula is powerful since it allows direct balancing of different tradeoffs...

Seismic Data Preconditioning for Improved Reservoir Characterization (Inversion and Fracture Analysis); #41347 (2014)

Darren Schmidt, Alicia Veronesi, Franck Delbecq, and Jeff Durand

Search and Discovery.com

... seismic data is critical to such advanced analyses. Frequency content, random and coherent noise, amplitude-preserving processing and gather flatness...

Seismic lineaments characterization using independent component analysis

Abdulmohsen AlAli, Yazeed Altowairqi, Constantinos Tsingas, Ali AlSultan

International Meeting for Applied Geoscience and Energy (IMAGE)

... are predominantly dominated by the migration noise. Results and Discussions We demonstrate our proposed workflow using field data containing...

Subsurface seismic imaging using drill bit noise

Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

...Subsurface seismic imaging using drill bit noise Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic Subsurface seismic imaging using...

Fine description of composite channel sand bodies based on multiseismic attribute CMY fusion technology

Zhenglong Zhang, Jianli Wang, Hebing Tang, Xuetong Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... between effective signals and random noise, thereby improving the lateral continuity of the same phase axis and enhancing fault or lithologic...

Extending the Resolution of Seismic Reflection Exploration

L. R. Denham

Pacific Section of AAPG

... improvement of 3 dB in the ratio of signal to random noise and possibly better rejection of other noise. As A. A. Fitch has pointed out (1976, p. 109...

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)

... to geometry, random offsets and skips. The residual airwave and random noise attenuation was based on multiple pases in different domains of anomalous...

Comparing Seismic Resolution and Signal and Noise Quality between Dense Point-Receiver and Conventional Data, Bakken Formation, North Dakota; #41160 (2013)

Niranjan Banik, Antoun Salama, Adam Koesoemadinata, George El-Kaseeh, Mark Egan, and Alfonso Gonzalez

Search and Discovery.com

...-frequency domain was applied to reduce random noise in data. The nominal CMP binning of this data set during and after migration was 20 ft (6.1 m...

Abstract: Attenuation of Acquisition Footprint on Sparse Land and Ocean Bottom Data Using Least Squares Pre-Stack Time Migration, by Richard Leggott, Richard Wombell, and R. Gareth Williams; #90077 (2008)

Search and Discovery.com

Seismic Technology Takes-On New Product

Leif Larsen

Petroleum Exploration Society of Australia (PESA)

... at th at t ime. The research led to som e obvio us co nclusions, including the fact that noise was probably the major limitation on marine seismic...

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... together to reduce random noise in a process called stacking (Sheriff, 1984). 4. Enhancement of resolution in time: To the extent that the earth...

Attenuation of Residual Multiples and Coherent Noise in the Wavelet Transform Domain, by Tamara Pokrovskaia and Richard Wombell; #90037 (2005)

Search and Discovery.com

Abstract: White Noise Suppression in the Time Domain … Part II; #90174 (2014)

Patrick Butler

Search and Discovery.com

...) and improve our ability to interpret it but prestack migration most of the time is a good noise suppressor too. If the prestack is noisy the white noise...

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)

... with least-squares migration in the image domain. De-Noise Several sources of noise degraded the raw DAS signal, such as random anomalous amplitudes, DAS...

Abstract: Migration Velocity Analysis of Incomplete Data Using LSPSM CIGs; #90174 (2014)

Abdolnaser Yousefzadeh, John C. Bancroft, and Gary F. Margrave

Search and Discovery.com

...ling rate is 2 ms. After adding %1 random noise, the data are decimated by removing %75 of the traces, randomly. Interval velocity Acquisition geometry...

Sub-L1 norm regularized inversion deblending in local 3D FK domain for ocean-bottom node data

Jun Sun, Zhaojun Liu, Manhong Guo, Graeme Stock, Bin Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... are dithered so that interference from other simultaneous sources appear as random noise in domains other than the shot domain. We utilize this fact...

Enhancing 4D seismic repeatability by utilizing more of the acquired streamer seismic data

Dez Chu, Yan Jia, Mike Helgerud

International Meeting for Applied Geoscience and Energy (IMAGE)

...) to demonstrate our workflow. In seismic imaging, noise attenuation is critical in the pre- as well as in the post-migration domains in order to achieve high...