A Seismic Method for Estimating Subsurface Vp/Vs Ratio Based on Converted Waves: A Case Study From Arabian Gulf, #42077 (2017).

Haoran Guo, Yuefeng Sun, Zhifeng Wan

Search and Discovery.com

... for this study are 4C Ocean Bottom Cable (OBC) data, acquired by two 2D test lines around the Umm Al Lulu offshore fields of the U.A.E.. The ray paths...

Amplitude inversion of OBS direct arrivals for seabed elastic properties

James Gaiser, Moacyr de Souza Bazerra, James Simmons

International Meeting for Applied Geoscience and Energy (IMAGE)

... interface. Inverting field data from the deep-water Jubarte ocean-bottom cable (OBC) survey offshore Brazil also shows good results. However, some...

Stepsize sharing in time-lapse full-waveform inversion

Xin Fu, Kristopher A. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

...://doi.org/10.1190/1.3238367. Yang, D., F. Liu, S. Morton, A. Malcolm, and M. Fehler, 2016, Time-lapse full-waveform inversion with ocean- bottom-cable data...

Evaluating the impact from dual-azimuth, wide-azimuth towed streamer and ocean bottom node acquisitions for Brazil pre-salt exploration: A finite difference modeling study

Lei Zhuo, Jeff Bergeron, Jake Deeds, Robert Brandt, Dirk Erickson

International Meeting for Applied Geoscience and Energy (IMAGE)

...Evaluating the impact from dual-azimuth, wide-azimuth towed streamer and ocean bottom node acquisitions for Brazil pre-salt exploration: A finite...

New technologies for seismic resolution enhancement and bandwidth expansion: Applications in SE Asian Basin

Yasir Bashir, Abdul Halim Abdul Latiff, Muhammad Sajid

Geological Society of Malaysia (GSM)

... and the resolution of Gas wipeout issues through seabed acquisition with Ocean Bottom Cables (OBC) have been advantageous. By utilizing de-ghosted or far...

Unlocking the potential of WAZ data for subsalt imaging using FWI: A case study in the Perdido area

Vivek Vandrasi, Zhihua Su, Shouting Huang, Yogesh Agnihotri, Sabaresan Mothi

International Meeting for Applied Geoscience and Energy (IMAGE)

... for different surveys from land to marine, and from streamers to ocean bottom nodes. FWI using wide-azimuth (WAZ) streamer data in areas with complex...

Simplicity at Its Best: Estimating Depth Uncertainty at the Wiriagar Deep Paleocene Field, Eastern Indonesia

Made Susantha, Imam S. Harun

Indonesian Petroleum Association

... and 3D offshore seismic data. The offshore data includes Towed Streamer Acquisition in 1997 and Ocean Bottom Cable (OBC) data acquired in 2010. Eight...

Improved Exploration, Appraisal and Production Monitoring with Multi-Transient EM Solutions

Search and Discovery.com

... environment, the acquisition resembles ocean bottom seismic with a cable based receiver array. By staying connected to the receiver array during land...

A Case Study of a High-Latitude, Towed Streamer 3-D Seismic Survey, #40707 (2011)

Sophie Hildebrand, Allan Ross, Shazia Viceer,

Search and Discovery.com

.... Method Seismic surveying in constricted waters is often more easily accomplished by using sea floor nodes or ocean bottom cable. However, the robustness...

Numerical experiments on 3D frequency domain multiparameter full-waveform inversion in viscoelastic media in parallel environments

Guoqi Ma, Bing Zhou, Jamal Zemerly, Mohamed Kamel Riahi

International Meeting for Applied Geoscience and Energy (IMAGE)

..., V. Monteiller, A. Ribodetti, and J. Virieux, 2015, Efficient 3-D frequency-domain monoparameter full-waveform inversion of ocean-bottom cable data: Applicat...

Abstract: Recent Trends in Offshore Exploration: More Data, Less Model (Geophysics Poster 19)

Guillaume Cambois, Maz Farouki

Geological Society of Malaysia (GSM)

... directions. Later techniques extended the width using additional source vessels. An alternative approach is to acquire ocean-bottom seismic, which provides...

Abstract: Rapid Velocity Images of Complex Structures, by P. J. Barton and R. A. Edwards; #90923 (1999)

Search and Discovery.com

ABSTRACT: Deep-Water Bright Spot Reflections in the Southern Canary Basin, by Christian Mueller, Friedrich Theilen, and Bernd Milkereit; #90906(2001)

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

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ABSTRACT: The Agbami 3-D/4-C OBN Seismic Survey - SIMOPS in a Producing Deepwater Field; #90115 (2010)

Doug Hicks, Larry Thane, Alan Adamson, Peter Morse, and Anthony Onyechi

Search and Discovery.com

... to acquire a three dimensional (3D), four component (4C), ocean bottom node (OBN) seismic survey on the seafloor in the Agbami field, located in 1500...

ABSTRACT: A 4-D Experiment in a Deep Offshore Environment; #90115 (2010)

Christian Hubans, Henri Houllevigue, and Sonja Maultzsch

Search and Discovery.com

... performed to undershoot the obstructions as well as an ocean bottom nodes survey. Two processing sequences were applied: A fast track and a full...

Abstract: FWI Using Reflections in Shallow Waters Offshore Abu Dhabi; #91204 (2023)

Carlos Barajas, Olivier Hermant, Oleg Khakimov, Bastian Hutahayan, Guillaume Cambois, Mohamed Mahgoub, Olivier Kirstetter

Search and Discovery.com

... propose a two-step full-waveform inversion (FWI) of ocean-bottom node (OBN) seismic data from offshore Abu Dhabi. For the first step we update...

Abstract: Joint OBN and 3-D DAS-VSP Data Acquisition and Processing in East China Sea; #91204 (2023)

Gang Yu1, Haibo Liu, Zhonglin Cao, Junjian Li, Jianguo Li, Yuanzhong Chen, Guangming He, Junjun Wu, Ximing Wang

Search and Discovery.com

... (Vertical Seismic Profiling) data simultaneously acquired by a downhole armored optical cable with an OBN (Ocean Bottom Node) data acquisition project...

Maximizing imaging resolution and amplitude fidelity of low-dip stratigraphic traps through continued optimization of seismic acquisition and processing: A case study from the Guyana South East Stabroek Block

Yaxun Tang, Fuxian Song, Lorie Bear, Mark Widmer, Luke Wilson, Vikas Gudipati, Rishi Bansal, Steve Knapp, Chunshou Xia, Wei Zhao, Yu Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

...-bottom node (OBN) surveys in the Stabroek Block to further improve imaging quality. ACKNOWLEDGEMENTS CONCLUSIONS We have presented a case study...

Velocity model building for pressure and converted wave imaging using surface-DAS data: A North Sea case study

M. ElAttar, H. Malak, A. Cooke, O. Lewis, C. Thorgersen

International Meeting for Applied Geoscience and Energy (IMAGE)

... workflow. The axial nature of recording for a horizontally deployed cable makes it closer to the X component of a four-component ocean-bottom node (4C...

Abstract: Separated Wave-Field Imaging: Utilizing the Multiple Wavefield to Improve Sub-Surface Illumination for OBS Surveys; #90319 (2018)

Jyoti Kumar, Tony Martin, Julien Oukili

Search and Discovery.com

..., we adapt the method from towed streamer acquisition to any ocean-bottom seismic survey where the shot distribution for each receiver is typically very...

Can Sparse OBN Equal Savings and Data Quality?

Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION

GEO ExPro Magazine

... heterogenous salt bodies, and a complex array of structural features. Several recent ocean-bottom seismic (OBS) surveys have been acquired over fields within...

Abstract: Seismic Imaging below Shallow Gas Cloud … A Comparison between PSTM, PSDM & 4C OBC Datasets (Geophysics Paper 21)

Tan Boon Hua, Amy Mawarni M Yusoff, Gunawan Taslim

Geological Society of Malaysia (GSM)

... process itself. 70 Also in 2009, a 4-Component Ocean Bottom Cable (4COBC) test line was acquired over the gas cloud zone on the eastern culmination...

Multicomponent Seismic Technology for Assessment of Fluid-Gas Expulsion Geology and Gas Hydrates: Gulf of Mexico, by Bob A. Hardage and Harry H. Roberts; #90035 (2004)

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Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field

Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 2021, Pseudo-acoustic anisotropic reverse-time migration of an ocean- bottom cable dataset acquired in the North Sea: Exploration Geophysics, 52, no. 5...