Abstract: Estimation of Group Velocity using Slant Stack Generalized S Transform Based Method; #90174 (2014)

Roohollah Askari, Robert J. Ferguson, and Kristof DeMeersman

Search and Discovery.com

... has been applied on surface wave data, if h1(τ) is the wavelet at station 1, the wavelet h2(τ) recorded at station 2 can be expressed () () () () (3...

Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

... such a wide frequency band the seismic velocities may differ. Commonly, attenuation compensation is used to adjust the wavelet to one which all...

Abstract: Acquiring Low Frequencies : Sweeps, Sensors, Sampling and Stories; #90224 (2015)

Olivier Winter, Anna Leslie, and Forest Lin

Search and Discovery.com

... of the process of reservoir analysis (Baeten, 2013). Structural analysis also benefits from a broad bandwidth, with improved wavelet sharpness...

Seismic Meta-Attributes and the Illumination of the Internal Reservoir Architecture of a Deepwater Synthetic Channel Model, #41267 (2014)

Staffan Van Dyke, Renjun Wen

Search and Discovery.com

... by using a 30 Hz  Ricker wavelet and the acoustic  impedance volume calculated  from velocity and density volumes,  through a 1‐D convolutional...

4D Seismic Monitoring of In-Situ Combustion of Heavy Oil Reservoirs; #41529 (2015)

Diego Morales, Trino Salinas, Gabriel Alvarez

Search and Discovery.com

... and parameters. Compensation of wavelet phase and amplitudes between surveys. Compensation for time-shift differences (statics) between surveys...

Impedance Inversion Transforms Aid Interpretation, by Satinder Chopra and Ritesh Kumar Sharma; #41622 (2015).

Search and Discovery.com

Imaging Techniques in Seismic Geomorphology; #42120 (2017)

Jim Bock, Vladimir Rybakov

Search and Discovery.com

... for the computation of most instantaneous attributes is the complex trace model of the seismic wavelet consisting of the real part and imaginary part. Wavelet...

An Integrated Multi-Analysis Procedure That Qualifies DHI’s: A Case History in the Louisiana Hackberry Trend

Russell Hoopes, W. M. Aber, Jr.

Bulletin of South Texas Geological Society

... is reprocessed with particular emphasis on velocity analysis, geometry and static corrections. Whenever necessary specialized wavelet processing, noise...

Upscaling acoustic wave equation using renormalization group theory

Ajay Malkoti, Shravan M. Hanasoge, Rene Edouard Plessix

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 2016; Song and Jordan, 2018), wavelet-based theory (Dorobantu and Engquist, 1998; Persson and Runborg, 2001; Chertock and Levy, 2005; De Leon, 2008...

Broadband Seismic Technology and Beyond: Part IV: PGSs GeoStreamer „ Mission Impossible

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... of view, one should expect to retrieve the layering of the earth (removal of the wavelet effect) and this is better achieved with the dual-sensor streamer...

Green Canyon 509 #1

Dan Denson

Houston Geological Society

... the possibility of a thick, low velocity sand. Lithologic interpretation was strongly dependent upon wavelet phase...

S. Timbalier 250 #A2-ST

Walter Phillips

Houston Geological Society

... combination convolved with a low frequency wavelet generated an amplitude anomaly very similar to that caused by the gas pay in S. Tim 265...

Single-sensor towed streamer acquisition: a case study from the Gulf of Mexico

P. Munoz, J. Uribe, N. Moldoveanu

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... system to measure the output wavelet of the gun array for every shot and this has an impact on removing the source output variability from shot to shot...

Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin

Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju

International Meeting for Applied Geoscience and Energy (IMAGE)

... by the complexity of surface obstacles and subsurface medium, it is difficult to eliminate the influence of seismic wavelet. The obtained imaging is the fuzzy...

Abstract: A Robust Workflow for Extracting Discontinuities and Subtle Stratigraphic Features from Seismic Data

Amit K Ray, Rajeshwaran Dandapani, Sumit Verma

Southeast Asia Petroleum Exploration Society (SEAPEX)

... footprint suppression using 2D continuous wavelet transform (Alali et al., 2018) which is an advanced and latest technique to suppress footprints...

Spatial Mapping of Seismic Facies Variations to Mitigate Reservoir Risk in Coal Prone Fluvial-Deltaic Settings

Dylan Cremasco, Yahya Villareal Basman II, Judith Travers

Petroleum Exploration Society of Australia (PESA)

... reservoir thickness to alter the wavelet response when thick overlying coals are present. To capture these wavelet variances, a range of extraction...

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)

... or eliminating any impact on noise. The article presents various wavelet transform techniques that can effectively enhance the signal-to-noise ratio (S/N...

Deep learning approach for denoising and resolution enhancement of poststack seismic data

Ruslan Malikov, Tatyana Yusubova, Izat Shahsenov

International Meeting for Applied Geoscience and Energy (IMAGE)

... and dynamic wavelet behavior. The proposed methods are then tested and validated on real field data sets. Methodology Unfortunately, acquired seismic...

Calibrating FWI image amplitudes: Insights from deepwater GoM

Lennon Infante-Paez, Nayyer Islam

International Meeting for Applied Geoscience and Energy (IMAGE)

...%) and has only small contribution by the density change (~5%). Figure 3: Seismic well ties using AI, Vp only and Rhob only wavelet used is an orbmsy...

Coloured Seismic Inversion, a Simple, Fast and Cost Effective Way of Inverting Seismic Data: Examples from Clastic and Carbonate Reservoirs, Indonesia

Keith Maynard, Paulus Allo, Phill Houghton

Indonesian Petroleum Association

... seismic volume, which has in effect been shaped to well data in terms of amplitude and frequency. In addition no wavelet estimation is needed...

Detailed Oriented Seismic Processing Leads to More Accurate Elastic Attribute Results in the Delaware Basin

Marianne Rauch-Davies, Steve Smith, Alyona Bashkirtseva Hall

Unconventional Resources Technology Conference (URTEC)

... the relationship between AI, SI and RHO can be defined. • Employ pre-stack seismic data, usually angle stacks. • Require some estimate of the seismic wavelet...

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)

... approach of wavelet inversion and velocity updates was used to achieve a gradual convergence for both wavelet and velocity in an alternating inversion...

Iterative 3D deterministic and data-driven multiple attenuation for deep-water OBN in the Campos Basin

Thais Sales, Frederico Xavier de Melo, Joel Monteiro, Dmitri Skorinski, Shady Attia, Mohammad Ghazey, Marcella Braga, Etory Sperandio, André Ferreira, Moacyr Bezerra, Thiago Costa

International Meeting for Applied Geoscience and Energy (IMAGE)

... by the wavelet extraction performed around the borehole, showing a significant improvement of the wavelet resolution and simplification of its response after...

Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset

Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

..., denoising, separation of upgoing and downgoing waves, and wavelet characterization. Additionally, to further enhance imaging results, we employ both...

Abstract: Reservoir Modeling - Methodology and Case Studies

James J. Reeves, W. Hoxie Smith

West Texas Geological Society

... log curves, petrophysical analyses, and supporting geophysical data. Contributions from geophysics include: interpreted seismic data, seismic wavelet...