Abstract: Migrating Reflections from the Moho Using a Refraction Velocity Model … An Example from the Slave Craton, NWT; #90211 (2015)

Joaquin Aristimuno and Claire Samson

Search and Discovery.com

...-receiver offsets achieved in the field dur ing reflection surveys , seismic velocity analysis based on reflection data has poor resolution at longer...

Study of the Seismic Attenuation Generated by the Mud Layer in Lake Maracaibo, Venezuela

J. Perez, E. Andara, B. Malave

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... was established through the velocity analysis made with the raw data. In this case, the seismic section from Lake Maracaibo, without gassy sediment...

Orthorhombic AVAZ inversion in the Laplace-Fourier domain

Lin Li, Jinmiao Zhang, Guangzhi Zhang, Zhenyu Zhu, Jiajia Zhang, Chao Li, Xinpeng Pan

International Meeting for Applied Geoscience and Energy (IMAGE)

... azimuthal angle gathers are generated from the well-log data using the linearized PPwave reflection coefficient in equation (1). The input welllog data...

Velocity Modeling in Areas of High Structural Complex in the Gulf of Mexico

Search and Discovery.com

Velocity Anomalies and Out-of-Plane Reflections in Barnicarndy 1, Canning Basin

Y. Zhan

Australian Petroleum Production & Exploration Association (APPEA) Journal

... wells beyond the graben in the southern Canning Basin. The stacking velocity was picked on semblance profiles to find the best fit on common depth point...

Unlocking hidden potential in shallow water Gulf of Mexico legacy data for carbon capture and storage exploration

Rachel Collings, Igor Marino, Adriana Arroyo Acosta, Jack Kinkead, Hugo Medel, Trong Tang, Gabriela Suarez, Brett Sellers

International Meeting for Applied Geoscience and Energy (IMAGE)

... Inversion (FWI) gradient using inverse scattering theory (Whitmore and Crawley, 2012; RamosMartinez et al., 2016). This approach enables velocity...

Staggered source acquisition to improve images fidelity

Chunming Wang, Hongwei Guo, Gengxin Peng, Ying Hu, Junru Jiao, Bin Yang, Kun Xu, Grace Yan, Xianhuai Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... to generate 3D synthetic seismic shot gathers for both conventional and staggered source layouts. Illumination analysis, prestack reverse time migration...

Sensitivity analysis of acoustic waveform inversion to velocity anomalies in the near-surface using the Frchet derivative

Ao Cai, Colin A. Zelt

International Meeting for Applied Geoscience and Energy (IMAGE)

...Sensitivity analysis of acoustic waveform inversion to velocity anomalies in the near-surface using the Frchet derivative Ao Cai, Colin A. Zelt...

Relationship of Velocity Defined Accuracy to Phi Defined Accuracy in Settling Tubes: METHOD PAPER

C. L. McCormick, Eric S. Posmentier

Journal of Sedimentary Research (SEPM)

... size and settling velocity: Jour. Sed. Petrology, v. 41, p. 7-18. GIBBS, R. J., 1972. The accuracy of particle size analysis utilizing settling tubes...

Abstract: Applicability of TTI RTM to Structured Land Datasets; #90172 (2014)

Charles Ursenbach, Yan Yan

Search and Discovery.com

... of the crossline displayed in Figure 2. Details of the migrations An anisotropic velocity model was developed using Residual Curvature Analysis (RCA...

Abstract: Near Surface Velocity Modeling Using Surface Wave Analysis Modeling and Inversion (SWAMI): An Application for Noise Attenuation from 3D Seismic Data; #91204 (2023)

Noor Albalawi, Kashif Adeel Mohammed, Cherif Belguermi

Search and Discovery.com

...Abstract: Near Surface Velocity Modeling Using Surface Wave Analysis Modeling and Inversion (SWAMI): An Application for Noise Attenuation from 3D...

Exploring naturally fractured reservoirs: A case study

Anand Prakash, Manayer Al-Abdullah, Abu Ghneej Ali Faleh Naser, Al-Otaibi Talal Mutlaq Mohammed, Bhaskar Chakrabarti, Rinaldi Mulyono, Vishnu Chilumuri, Al-Meshilah Thuwaini, Talal F. Al-Adwani, Amar Nada Mohamad Amar, Al-Otaibi Ahmad Homoud

International Meeting for Applied Geoscience and Energy (IMAGE)

... specularity gathers were used as special directivity filters for “separating” in-situ reflection and diffraction events. The specular image generated...

Seismic Signature as a Porosity Indicator in Early Miocene Reefs in the Madura Strait Via AVO Inversion and Modelling

Bimal R. Banerjee

Indonesian Petroleum Association

.... Extensive seismic modelling was employed using the Shuey-Hilterman approximation of Zoeppritz's equation for computing reflection coefficients at zero offset...

Salt Related Volume Interpretation: An Example of Utilizing Volume Interpretation Software with Challenging Data Quality

Adam M. Seitchik

GCAGS Transactions

..., mid, or far stack data, sediment velocity flood, and velocity model to name a few. Volume interpretation and visualization is not new to the geoscience...

AVO Screening in Frontier Basins: An Example from the Gulf of Papua, Papua New Guinea, #40910 (2012)

Amanda Davies, Cyrille Reiser, Bob Burmaz, Rod Reed

Search and Discovery.com

... evidence that these sandy facies exist and could contain hydrocarbons. On the first phase of acquisition tests was carried out using an efficient screening...

Abstract: Comparison of Low-Frequency Data from Co-Located Receivers Using Frequency Dependent Least-Squares-Subtraction Scalars; #90172 (2014)

Kevin W. Hall, Gary F. Margrave, Malcolm B. Bertram

Search and Discovery.com

...). Source gathers were extracted from the seismometer data using the time of shot recorded in the Aries observer’s notes. Time zero was arbitrarily set...

Uncertainty quantification for full-waveform inversion with a mini-batch gradient-based sampling method

Zeyu Zhao, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... 0.02 km in both directions. The Ricker wavelet with the peak frequency of 10 Hz is used to generate 92 shots gathers using time domain rapid expansion...

Multichannel Seismic Operations for CCOP/SOPAC Cruise, Leg 3, Solomon Islands

D. M. Mann

Circum Pacific Council Publications

... processed using velocities derived from velocity analysis. These tapes are not d e c o n v o l v e d or fre­ quency filtered. 3. Digital magnetic...

Seismic Acquisition in the Sub-Andean Belt of Bolivia

Jair R. de S. Soares Filho, Roberto D. Chaves

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., field processed seismograms were analyzed in the shot domain (common shot gathers) after few steps that included frequency range filtering and spectral...

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

...-free shear wave propagation. In this paper we propose a new acoustic wave equation, derived using linearized plane-wave reflection coefficient theory...

Multichannel Seismic Depth Sections and Interval Velocities over Outer Continental Shelf and Upper Continental Slope between Cape Hatteras and Cape Cod: Rifted Margins

John A. Grow , Robert E. Mattick , John S. Schlee

AAPG Special Volumes

.... 223-234. Grow, J. A., and J. Schlee, 1976, Interpretation and velocity analysis of U.S. Geological Survey multichannel reflection profiles 4, 5...

Application of Sequential Offset Technique in Full Waveform Inversion; #42598 (2025)

Binggang Wang

Search and Discovery.com

...) and their cross-correlation (c) (a) (b) (c) Figure 4. Original data (a) and forward modeling data of the velocity field after 20 iterations using...

ABSTRACT: A Multi-Azimuth VSP Experiment for Fracture Orientation Detection in HMD Field, Algeria; #90051 (2006)

Foudil Babaia, Farid Chegrouche

Search and Discovery.com

... fractures by two analysis methods; shear wave splitting and P wave velocity anisotropy based on an anisotropic ratio computed from four offset VSP...

Fluid Prediction from 3-D Seismic Data in Deepwater Sandstone Reservoirs: Applications from Cocuite Gas Field, Veracruz Basin, Southeastern Mexico

Fouad, Khaled, Jennette, David C., Soto-Cuervo, Arturo

GCAGS Transactions

... display of the common-depth-point (CDP) gathers of the three models, with different fluid saturation for comparison. The figure indicates that the top...

Some Seismic Instantaneous Bandwidth Attribute Applications; #42515 (2020)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... geophones with different resonant frequencies, or more complex, depending on the details of statics, filtering, velocity analysis and imaging. Ideally...