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)

..., 2002, Migration velocity analysis from locally coherent events in 2-D laterally heterogeneous media, Part I: Theoretical aspects: Geophysics, 67, 1202...

Memory-efficient frequency-domain least-squares RTM using low-rank Greens functions via randomized SVD

Daniel E. Revelo, Reynam C. Pestana, Diego F. Barrera, Rodrigo S. Santos

International Meeting for Applied Geoscience and Energy (IMAGE)

.../CNPq; Salvador, Bahia, Brazil SUMMARY Least-squares reverse time migration in the frequency domain (FLSRTM) is capable of producing a high-resolution...

Broadband Least-Squares Wave-Equation Migration

Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui

Petroleum Exploration Society of Australia (PESA)

... velocity model (Korsmo et al., 2017). Figure 4 shows a comparison of the results from WEM and LS-WEM. The standard migration images are corrupted...

Practical Application of Adaptive Least-Squares Reverse Time Migration (LSRTM) to Advance Field Development and Uncover New Reserves in the Subsalt Provinces

Chong Zeng, Shuqian Dong, Zhaohong Wu, Jean Ji, Darrell Armentrout, Bin Wang

GCAGS Transactions

... migration velocity, slow convergence in subsalt area, and extra migration artifacts introduced in gradient computation. The adaptive solution involved...

Detecting Fault-Related Hydrocarbon Migration Pathways in Seismic Data: Implications for Fault-Seal, Pressure, and Charge Prediction

David L. Connolly, Friso Brouwer, and David Walraven

GCAGS Transactions

...., 2005, Detection of fluid migration pathways in seismic data: Implications for fault seal analysis: Basin Research, v. 17, p. 141-153. Ligtenberg, H...

High-resolution seismic detection of shallow natural gas beneath Hutchinson, Kansas

Susan E. Nissen, W. Lynn Watney, Jianghai Xia

Environmental Geosciences (DEG)

... shales. Gas in fractures can reduce the velocity of the dolomite interval to that of the shales (or lower). Depending on the magnitude of the velocity...

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

... data processing generally consists of-process geometries, static correction, filtering and velocity analysis, NMO and migration. Frequency filtering...

Abstract: Better Imaging of the Subsurface using Primaries and Multiples: A Synthetic Example

Abdul Rahim Md Arshad, Deva Ghosh

Geological Society of Malaysia (GSM)

... migration after demultiple, a synthetic line mimicking a seismic line in the Malay Basin was imaged by simultaneously migrating the primaries...

Abstract: Cave Gulch 3-D Survey, Wind River Basin, Wyoming, by Steven G. Natali, Peter Dea, Fred Barrett, and Roy Roux; #90914(2000)

Search and Discovery.com

Abstract: Full-waveform VSP Imaging in Desert Environment; #91204 (2023)

Vladimir Kazei, Hong Liang, Ali Aldawood

Search and Discovery.com

... features extremely heterogeneous low-velocity near surface. Synthetic SEAM Arid benchmark model was specifically designed to simulate seismic imaging...

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

... separation, velocity analysis and imaging. According to the characteristics of offshore 3-D VSP downgoing multiples, the offshore 3-D VSP downgoing multiple...

Application of interactive convolutional neural network micro-fracture prediction technology based on prestack depth migration data in deep shale gas reservoirs

Xiaolan Wang, Furong Wu, Junfeng Liu, Dianguang Zang, Xiao Yang, Yangjing Li, Xiaoyan Cheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... structures. The key to TTI depth migration lies in accurately characterizing the velocity anisotropy parameters of underground media, including...

Modern Seismic Imaging To Address Complex Velocity And Its Role In Manora Field Development, Gulf Of Thailand

Search and Discovery.com

Monitoring fluid migration pathways from passive source seismic anisotropy analysis: A case study in Kīlauea volcano

Qichao Zhao, Kelly H. Liu, Stephen S. Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

...Monitoring fluid migration pathways from passive source seismic anisotropy analysis: A case study in Kīlauea volcano Qichao Zhao, Kelly H. Liu...

New Imaging Results and Improved Interpretation of Late Triassic Depositional Features within the Browse Basin, North West Shelf of Australia

Jarrad Paul Grahame, Tran Thinh To

Australian Petroleum Production & Exploration Association (APPEA) Journal

... for imaging, involving complex survey acquisition, very shallow to deep water depths and strong velocity distortion associated with the present-day...

Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia

Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure

International Meeting for Applied Geoscience and Energy (IMAGE)

... between fast and slow velocities and could describe reservoir fracture intensity. Since data is azimuthally arranged after migration, fast velocity...

Comparative Analysis of Facies and Reservoir Characteristics of Miri Formation (Miri) and Nyalau Formation (Bintulu), Sarawak

Teoh Ying Jia, Abdul Hadi Abd Rahman

Geological Society of Malaysia (GSM)

...Comparative Analysis of Facies and Reservoir Characteristics of Miri Formation (Miri) and Nyalau Formation (Bintulu), Sarawak Teoh Ying Jia, Abdul...

Geological Framework and Gas Hydrate Potential in Deepwater Fold-and-Thrusted Belt of the Lower Gaoping Slope Offshore SW Taiwan

Search and Discovery.com

Gippsland Basin, Australia: New Data Reveals Further Potential in a Mature Basin

Jarrad Grahame, Keat Huat Teng, Iain Burnie, CGG

GEO ExPro Magazine

... orientation provides a multi-azimuth (MAZ) dataset with multiple benefits, such as optimal velocity modelling for better Pre-stack Depth Migration (PreSDM...

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

... defined. Similarly, the stacking velocity analysis most often requires a temporal combination of several CMP gathers in supergathers in order to obtain well...

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

... defined. Similarly, the stacking velocity analysis most often requires a temporal combination of several CMP gathers in supergathers in order to obtain well...

Marine Multicomponent Seismic – The New Issues in the Developing Revolution

Jason Robinson

Indonesian Petroleum Association

.... This can be plotted as the ratio against time as in Figure 10. Figure 10. Average velocity ratio analysis between fast and slow S waves. The vertical...

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

... the recorded field to the source location using the velocity model. Time-reversal extrapolation is a typical migration based method. Traditional time-reversal...

Seismic Modeling of Porosity Distribution in a Miocene Reef, Salawati Island, Indonesia

William T. Valenta

Indonesian Petroleum Association

... constant velocity over the Salawati A field. Figure 2. Schematic Stratigraphic Section Feasibility Study There are some prerequisites for the detailed...

Multiple scours and upward fining caused by hydraulic jumps: implications for the recognition of cyclic steps in the deepwater stratigraphic record

Kenya Ono, Hajime Naruse, Qifeng Yao, Zhirong Cai, Sojiro Fukuda, Miwa Yokokawa

Journal of Sedimentary Research (SEPM)

... that transitioned from a steep to a gentle slope, resulting in cyclic steps. Overall, the upstream migration of the cyclic steps produced a downstream...