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The AAPG/Datapages Combined Publications Database

Showing 19,842 Results. Searched 196,436 documents.

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Abstract: Understanding the Effect of Near-surface Extreme Velocity Heterogeneities on the Seismic Data in the Arid Environment Through High-fidelity Outcrop-based Models; #91204 (2023)

Ahmad Ramdani, Ilya Silvestrov, Yazki Ibrahim, Andrey Bakulin

Search and Discovery.com

...Abstract: Understanding the Effect of Near-surface Extreme Velocity Heterogeneities on the Seismic Data in the Arid Environment Through High-fidelity...

2023

Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

Search and Discovery.com

...Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014) Jianhua Pan AAPG Search and Discovery...

2014

Log Resistivity Measuring Devices Compared to S-waves from a Vertical-Force Source VSV / VSH Ratio in Identification of Fracture Sweet Spots in Densely Fractured Reservoirs

John M. Robinson, Bob Van Nieuwenhuise

GCAGS Transactions

..., positive source S-wave velocity in the common midpoint (CMP) domain and the P–SV velocity in the common conversion point (CCP) domain utilizing Vp/Vs...

2014

Log Resistivity Measuring Devices Compared to S-waves from a Vertical-Force Source, #41377 (2014)

John M. Robinson

Search and Discovery.com

... wavefield has a faster deeper velocity (VTI media Levin, 1979, 1980). In addition, both shear velocities are significantly less than the P-wave...

2014

Abstract: Duplex Wave Migration … Imaging Vertical Boundaries; #90211 (2015)

Brian Link and Naum Marmalevsky

Search and Discovery.com

... methodology will only be recorded if the velocity depth model is characterized by significant vertical velocity heterogeneity. Duplex Wave Migration...

2015

Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data

Search and Discovery.com

... of refracted / diving wave methods in the foothills: shallow, high-velocity contrasts inhibit the early arrival energy from propagating to target depths...

2013

Abstract: Navigating through the Red Sea Subsalt Structures: A Look-Ahead VSP Case Study from Saudi Arabia; #90319 (2018)

Ali A. Aldawood, Carlos Planchart

Search and Discovery.com

.... Then, the upgoing P-wave reflections were separated from the recorded total wavefield using model-based separation techniques. An initial two-layer velocity model...

2018

Granite and Limestone Velocity Determinations in Arbuckle Mountains, Oklahoma

B. B. Weatherby, W. T. Born, R. L. Harding

AAPG Bulletin

... within observational errors and yield a value of 17,950 ft./sec. for the longitudinal wave velocity. The data taken over the shorter span show...

1934

Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation

Zhishuai Zhang, Jing Du, Fuchun Gao

Unconventional Resources Technology Conference (URTEC)

... the parameterization error, however, may lead to an ill-posed problem. The velocity model parameter set we use in this study is comprised of P- and S-wave...

2017

Depth Imaging Seismic Data to Help Delineate Gas Reservoirs in Southwest Wyoming

Alvin K. Benson

Wyoming Geological Association

..., velocity, etc. Thus, the acoustic wave equation can be used to determine the wave field at any depth z from surface data through a process known...

1989

Abstract: Applying of high-technology algorithms for high-quality seismic and velocity products: Nile Delta, offshore Egypt; #90254 (2016)

Mahmoud M. Abu Shabana, Abdallah Ibrahim

Search and Discovery.com

...Abstract: Applying of high-technology algorithms for high-quality seismic and velocity products: Nile Delta, offshore Egypt; #90254 (2016) Mahmoud M...

2016

Abstract: OBN Interferometry for Velocity Model Building in a Challenging Salt Context from Barents Sea; #91204 (2023)

Guillaume Henin, Sujith Swaminadhan, Loic Janot, Sylvain Masclet

Search and Discovery.com

...Abstract: OBN Interferometry for Velocity Model Building in a Challenging Salt Context from Barents Sea; #91204 (2023) Guillaume Henin, Sujith...

2023

Pressure prediction using converted shear waves from OBN data: A rock physics approach

Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami

International Meeting for Applied Geoscience and Energy (IMAGE)

... such as in shallow sedimentary sections. Introduction Pore pressure prediction in industry generally uses P-wave velocity-based prediction methods...

2023

Broadband Seismic Technology and Beyond: Part III: The Interaction between Ocean Waves and Recorded Seismic Data

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... by a sine wave, analytical equations enable us to calculate the horizontal (u) and vertical (v) particle velocity and the pressure (p) as a function...

2013

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

.... In addition, static correction will determine the velocity model created. Travel time tomography has a role to facilitate the calculation...

2019

Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones

Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju

Indonesian Petroleum Association

... the location of the reef flank, via tomographic velocity estimation, standard P-wave imaging as well as interferometric imaging. VSP DATA ACQUISITION...

2013

Abstract: Q-estimation from Uncorrelated Vibroseis VSP Model Data; #90172 (2014)

Arnim B. Haase

Search and Discovery.com

..., University of Calgary [email protected] Summary A known method for velocity dispersion estimation and Q-factor calculation from uncorrelated...

2014

Ranking Influence of Microfabrics and Microporosity on Acoustic Propagation in Unconventional Tight Carbonate Reservoirs

Abdallah Abdelkarim, Mohammed Makkawi

Unconventional Resources Technology Conference (URTEC)

... velocity, S-wave V: s-wave velocity, MF: microfabric, MP: microporosity, ES: elastic strength, PS: pore size (area), CS: crystal size (diameter), SD...

2022

Abstract: Rock Physics Modeling in Montney Tight Gas Play; #90224 (2015)

Ayato Kato, Kunio Akihisa, Carl Wang, and Reona Masui

Search and Discovery.com

...-prediction on S-wave velocity. The model is also utilized to investigate influences of petrophysical paramters on elastic properties. In the Montney formation...

2015

Velocity and Velocity

M. Al-Chalabi

Petroleum Exploration Society of Australia (PESA)

...Velocity and Velocity M. Al-Chalabi Velocity and 'Velocity' M. AI-Chalabi 1 Abstract Acquired seismic data contain the velocity distribution...

2000

The Fabric, or Internal Structure, of Rocks … The Patterns of Anisotropy; #42188 (2018)

Heloise B. Lynn

Search and Discovery.com

... laterally and/or vertically. For example, the P-wave velocity (VP), the shear-wave velocity (VS) and density – the three primary characteristics we seek...

2018

High Resolution “Vibroseis” Data – Compressional and Shear-Wave Modes

D. E. Miller, D. E. Dunster

Pacific Section of AAPG

... to the P-time scale. This is done because the average shear-wave velocity in the sedimentary section is about one-half the average P-wave velocity...

1972

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