First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology

Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda

Indonesian Petroleum Association

... signal-to-noise ratio because random noise is found all over the data. The AAA processing flow attenuates random noise using a median spatial filter...

Central Kalimantan Weight Drop Seismic Acquisition and Implication to Petroleum Exploration

Riki Tasrianto

Indonesian Petroleum Association

... to enhance coherent signal and reduce random noise. An industry standard seismic processing workflow including Kirchhoff Pre Stack Time Migration...

Abstract: Land Seismic Data Regularization: Overcoming Urban Acquisition Limitations, by Roy Burnstad and Abdulrahim A. Al-Mubarak; #90105 (2010)

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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)

... generates strong low-frequency noise. Generally, the Laplace filtering method is performed directly on the migration data to attenuate low-frequency noise...

Slope estimation of locally coherent events by polarization analysis of multi-component seismic data: Application to stereotomography for sparse node acquisition

Xiaole Zhou, Alessandra Ribodetti, Stephane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

... 1560 1.0 Offset(km) 0 Figure 3: Vx and Vz seismograms with random noise. Noise level is provided in panels. Trace at 0.72-km offset for source...

A prior regularized 3D full-waveform inversion using 2D generative diffusion models

Fu Wang, Tariq Alkhalifah, Xinquan Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... it is the standard Gaussian distribution), w is the Wiener process (Brown motion, which adds random noise to data at each time step), and 3 denotes...

Estimating subsurface geostatistical parameters from surface-based GPR reflection data using a deep-learning approach

Yu Liu, James Irving, Klaus Holliger

International Meeting for Applied Geoscience and Energy (IMAGE)

... random noise followed again by standard processing, migration, and depth conversion. The standard deviation of the added noise is defined relative...

A High-Resolution Seismic Survey to Image the Top of Salt at Avery Island, Louisiana

Dawn Standridge, Cathy Bishop, Gary Kinsland, Robert Schneider, Laura Serpa

GCAGS Transactions

.... Another possibility was that not enough records were stacked to cancel out some of the random noise. This was another issue that could be addressed...

ABSTRACT: Reverse Time Migration Using CRS Shot Gathers

Alfredo Caballero, Rodolfo Ballesteros, Eliakim Schuenemann, Ekkehard Tessmer, Humberto Salazar

GCAGS Transactions

... coverage, and with a strong noise suppression. These CRS gathers considerably improved the depth image in Kirchhoff prestack depth migration (PreSDM...

Seismic Data Processing For a Crucial 2014 2D Seismic Data Acquisition Decision in S Area, South Sumatra Block, South Sumatra, Indonesia

Gerry R. Hutabarat, Danar Yudhatama, Erwin Kusumah, Yusnita Yunus, Stephen M. Scott

Indonesian Petroleum Association

... and yielding a representation of subsurface reflectivity (Yilmaz, 2001). Before analyzing the seismic velocity, a bandpass filter and random noise...

Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... in turn permits the ready use of some powerful post-migration noise suppression techniques described in the next subsection. By contrast the irregular...

Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico

Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen

International Meeting for Applied Geoscience and Energy (IMAGE)

... source boat velocity, one voice data appears as random and incoherent noise in another voice common receiver gather. During our survey, the two sources...

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Search and Discovery.com

... in the Rocky Mountains. The results of the major approaches on statics, signal to noise ratio enhancement and migration are illustrated. AAPG Search...

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user

Search and Discovery.com

... in the Rocky Mountains. The results of the major approaches on statics, signal to noise ratio enhancement and migration are illustrated. AAPG Search...

Noise Into Signal Around the South Atlantic Margins: Reverse Geochemical Analysis Using Spatial Inputs

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UK Continental Shelf: An Evolution in 3D Seismic Imaging of the Central North Sea

Matthew Dack, Gregor Duval, CGG

GEO ExPro Magazine

.... This, combined with Least-Squares Kirchhoff migration, which has further enhanced the deeper image by reducing the highfrequency random noise, is helping...

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

... migration workflow that includes designature to zero phase, random and linear noise attenuation, multiple elimination, Kirchhoff prestack depth...

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3D deblending for marine towed-streamer data

Yangkang Chen, Min Zhou, Ray Abma

International Meeting for Applied Geoscience and Energy (IMAGE)

...-varying median filter: Exploration Geophysics, 46, 332–341. Chen, Y., and S. Fomel, 2015, Random noise attenuation using local signal-and-noise...

3D pre-trained transformers for seismic fault detection, image denoising and dense horizon interpretation

Enning Wang, Peter Lovely, Lachlan Wright, Sarah Vitel, Anusha Sekar, Maisha Amaru

International Meeting for Applied Geoscience and Energy (IMAGE)

..., with additional migration noise). To explore the applications of 3D foundation models to seismic images, we pre-trained a 3D Swin Transformer on a global...

Abstract: LSPSM for Pre-and Poststack Time Lapse Studies; #90187 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

..., environmental noise, near surface effects, and processing procedures are exactly equal, the comparison between two final migration images may show...

Machine learning and seismic attributes for prospect identification and risking: An example from offshore Australia

Mohammed Farfour, Douglas Foster

International Meeting for Applied Geoscience and Energy (IMAGE)

... network to help identify prospects in Poseidon field, Offshore Australia. The approaches are used to detect fluid expressions, migration pathways...

Deep learning decomposition for null and active space estimation for thin-bed reflectivity inversion

Kristian Torres, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... Hz Ricker wavelet and adding the random noise. Figure 1 shows the results for a test reflectivity model different from all training samples...

A denoising diffusion probabilistic modeling (DDPM) approach for predicting CO2 plume evolution from seismic shot gathers

Alexander Y. Sun, Zi Xian Leong, Tieyuan Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... formations and pre-existing natural features such as faults/fractures may form preferential pathways for CO2 migration, jeopardizing the integrity...

Risks of Microseismic Fracture Mapping Mis-interpretation: Source-Dependent Sensitivity Induced by Surface Arrays Observational Bias

Pierre-Francois Roux

Unconventional Resources Technology Conference (URTEC)

...its amplitude larger than a given noise threshold. We have assumed that the detection is performed via a migration operation, as is often the c...