Alternative to Improve Seismic Imaging of a Structurally Complex Subsurface

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Alternative to Improve Seismic Imaging of a Structurally Complex Subsurface, #42269 (2018).

Simone Silva Andre, A. Pinilla Cubides

Search and Discovery.com

..., demigrating the stacked seismic data, remigrating for each velocity scenario, illumination analysis and evaluation of seismic amplitude and repositioning...

Extending the Resolution of Seismic Reflection Exploration

L. R. Denham

Pacific Section of AAPG

...–such as wavelet processing and attribute analysis– have made it possible for us to use amplitude, phase, velocity, and frequency information...

ABSTRACT: RTM Guided Migration Velocity Analysis: A West Africa Case History

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Reflection waveform inversion regularized with structural constraints and scattered data interpolation

Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... the background velocity model using reflection data (Alkhalifah, 2015; Yao et al., 2018). Additionally, reflection waveform inversion (RWI), which decomposes...

Reservoir Properties Inferred from Seismic Response in Areas with Minimal Log Control: Fractured Reservoirs: Origin, Description, Evaluation

J. D. Loren, J. T. Kulha, K. S. Renbarger, R. M. Sneider

AAPG Special Volumes

...), and the AVO response has been modeled over the same distances. The adjacent field gathers show a high amplitude reflection slightly increasing with offset...

Petrophysical Properties of a Deformation Band Fault Zones in the Entrada Sandstone, Utah; #50861 (2013)

Kyle Fredericks, Laurel Goodwin, and Harold Tobin

Search and Discovery.com

... the same units Velocity Tests Locations Slickrock Member Protolith Single Band Damage Zone Six units were targeted for velocity analysis based...

Description of Productive Intervals Using Shear Wave Velocity in Southwest Iran

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The Effects of Porestructure on Sonic Velocity in Carbonates: Examples from Gunung Rapat Limestone, Ipoh

Muhammad Hafiz Izuddin, Chow Weng Sum, Mohd Shafeea Leman, Khor Wei Chung

Geological Society of Malaysia (GSM)

... prepared. The thin sections images were taken with Olympus BX 51 microscope and analyzed using Digital Image Analysis (DIA) software. Dunham’s classification...

Seismic Acquisition Optimization for Exploration in Thrust Belts and Foreland Basins; #42268 (2018)

Pedro Muñoz, Juan Uribe, Nestor Sanabria

Search and Discovery.com

...:10.1190/segam2017-17796303.1 Muñoz, P., M. Polanco, N. Sanabria, J. Uribe, and L. Rodríguez, 2015, Survey Design and Data Acquisition using Nodal Systems in the Sub Andean...

Semi-quantitative prediction of hydrocarbon gas saturation in carbon dioxide enrichment areas in the South China Sea deepwater

Leyi Xu, Weiwei Zhang, Xumin Liu, Hao Liu, Jianfeng Yang, Yixuan Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

... under the Shuey approximation, implementing FAVO inversion using Bayesian theory. Chen et al. (2015) conducted frequencydependent analysis on physical...

Petroleum Plays and Prospectivity in the Kwanza and Benguela Basins of Offshore Angola, #10443 (2012)

Jennifer Greenhalgh, Ron Borsato, Frances Mathew, George Duncan-Jones, Idima Pimenta, Jandira Marques da Silva, Luis Narciso da Silva

Search and Discovery.com

... migrations, both in anisotropic mode. The model was updated by picking RMO (residual moveout curves) using both offset and angle gathers. PGS...

Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging Condition; #90171 (2013)

Mark Ng

Search and Discovery.com

... values used in common practice (e.g., Δz > 20 m) exposes a problem when migrating from surface using the industry-standard ‘zero-velocity layer...

Methods of estimating wavelet stationarity, stabilizing non-stationarity, and evaluating its impact on inversion: A synthetic example using SEAM II Barrett unconventional model

Jesse Buckner, Michael Fry, Joe Zuech, Peter Harris, Bill Shea

International Meeting for Applied Geoscience and Energy (IMAGE)

...) models of the SEAM II Barrett Unconventional Model, (Regone et al., 2017) a dataset of 3D synthetic seismic gathers is generated using the Zoeppritz...

Structural and stratigraphic control on the migration of a contaminant plume at the P Reactor area, Savannah River site, South Carolina

Antonio E. Cameron Gonzalez, Camelia C. Knapp, Michael G. Waddell, Adrian D. Addison, John M. Shafer

Environmental Geosciences (DEG)

... were acquired at the study site (Figure 5). In addition, two common-midpoint (CMP) gathers were used to identify reflection events on the common-offset...

Abstract: Seismic Pressure Prediction Method Addresses Problem Common in Deepwater Gulf of Mexico

Rudy Wilhelm

Houston Geological Society Bulletin

...Abstract: Seismic Pressure Prediction Method Addresses Problem Common in Deepwater Gulf of Mexico Rudy Wilhelm 1999 15 15 The analysis...

Abstract: *Detection of Hydrocarbons from Velocity Logs using the Wavelet Coherence Analysis: A Case Study from Algerian Tight Reservoirs; #91202 (2022)

Said Gaci, Mohammed Farfour, and Saliha Amoura

Search and Discovery.com

...Abstract: *Detection of Hydrocarbons from Velocity Logs using the Wavelet Coherence Analysis: A Case Study from Algerian Tight Reservoirs; #91202...

The Suitable Method in Generating True Depth Structure Maps to Eliminate Wonocolo Push-Down Effect on Seismic Data and Its Impact on Prospect Evaluation, North Madura Platform, East Java Basin

Haryono Haryanto, Rizki Krishna Pratama, Riaz Alai, M. Afiq B. Mokhtar, Pongga Wardaya, Yonghe Guo, Jun Wang

Indonesian Petroleum Association

...-reconstruction, velocity model, FWI and Q-PSDM, depth structure maps INTRODUCTION The recording method of seismic reflection data is in the domain of time...

3D Seismic Proves Its Value in Bakken Geosteering, #41435 (2014).

Angie Southcott

Search and Discovery.com

... Kirchhoff Migration • Residual Velocity Analysis • Radon Filter, Horizon Based • Post Stack Spectral Balancing Post Stack Spectral Balancing Upper...

P- and PS-Wave Vector Wavefields for Anisotropic Petrophysics

James Gaiser

Petroleum Exploration Society of Australia (PESA)

... on the assumption that symmetry plane orientation does not change with depth. Figure 1: Average velocity ratio analysis between the fast PS1 and slow PS2 reflection...

Seismic Studies in the Church Rock Uranium District, Southwest San Juan Basin, New Mexico

William T. Phelps, Robert S. Zech, A. Curtis Huffman Jr.

AAPG Special Volumes

.... 1986 145 159 SG 22: A Basin Analysis Case Study: Morrison Formation, Grants Uranium Region, New Mexico A seismic reflection survey, using conventional...

Induced seismicity risk management: The problem of disappearing faults

Doyle R. Watts, Ernest C. Hauser, Mohammad Mohshin, and David F. Dominic

AAPG Bulletin

... a nominal 60-fold common depth point (CDP) coverage in the center of the line. We collected a total of 79 shot gathers with occasional source skips...

Mapping Rock-Property Changes and Fluid Migration During Hydraulic Fracturing Using FWI of Microseismic Data

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Abstract: Statistical Depth Imaging with Path Summation through Complex Near-Surface; #91204 (2023)

Ilya Silvestrov, Andrey Bakulin, Maxim Protasov

Search and Discovery.com

... of velocity distributions instead of using a single “best” one as in conventional algorithms. The ideas of path-integral seismic imaging were explored...

Optimum Candidate Selection of Coiled Tubing Velocity String Application for Liquid Loaded Gas Wells

Satria Andrianata, Keken Rante Allo, Ade Lukman

Indonesian Petroleum Association

... leads to a decrease in production rate and continuously drops below its minimum critical velocity. At this point, the liquid which flows vertically...