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The AAPG/Datapages Combined Publications Database

Showing 19,835 Results. Searched 196,374 documents.

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New Aspects of Quantitative Interpretation of Velocity Data and Their Impact on Geologic Evaluation of Exploration Prospects: ABSTRACT

Werner J. Jankowsky

AAPG Bulletin

...New Aspects of Quantitative Interpretation of Velocity Data and Their Impact on Geologic Evaluation of Exploration Prospects: ABSTRACT Werner J...

1971

Abstract: Turning-Ray Tomography and Tomostatics; #90224 (2015)

Babatunde Arenrin, Gary Margrave, and John Bancroft

Search and Discovery.com

... tomography is a good tool for estimating near surface velocity structure, especially in areas where conventional refraction statics fail...

2015

Abstract: Fuzzy-Logic Clustering of 3D Magnetotelluric and Seismic Velocity Models: Tenerife Island, Spain; #90255 (2017)

Juanjo Ledo, Pilar Queralt, Alex Marcuello, Araceli Garcia-Yeguas, Perla Piña-Varas, Ianire Prudencio, Alejandro Diaz, Jesus Ibañez

Search and Discovery.com

... characterizes the main volcanic structure of the Las Cañadas-Teide-Pico Viejo Complex. This structure correlates with a high P-wave velocity body. A new 3D...

2017

Recent Applications of Turning

Search and Discovery.com

N/A

Integrated Full Waveform Inversion and Dip Constrained Tomography for Complex Carbonate Imaging - Case Study from Indonesia

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

Indonesian Petroleum Association

... velocity (Pratt, 1999). It performs iterative velocity updates by forward wave field modeling and minimizing the misfit between the modelled and real...

2018

Analysis of Geotechnical Parameters from Geophysical Information; #70254 (2017)

O. O. Adewoyin, E. O. Joshua, M. L. Akinyemi, M. Omeje, E. S. Joel, O. T. Kayode

Search and Discovery.com

..., and recommend regions recommended for detailed geotechnical investigation, when employed. Altindag, (2012) studied the relationship between p-wave velocity...

2017

Reveal The Velocity Anomalies in Complex Overburden and Enhanced The Imaging through Shallow Gas: A Case Study in SisiNubi Mahakam, Indonesia

Annas Astuti, Yohanes Kristomo, Bee Jik Lim, Ginanjar Satria, Natalia Anggriani

Indonesian Petroleum Association

...-wave number large-scale velocity error in the model. Adjustive FWI uses the relationship between travel-time shift and model error with instantaneous...

2019

An Experimental Study of the Influence of Grain-size on the Size of Oscillation Ripple Mark

O. F. Evans, Roy L. Ingram

Journal of Sedimentary Research (SEPM)

... in a forward movement of the water particles in an oscillation wave, this distance being proportional to the amplitude and velocity of water particle...

1943

AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... to predict pressure at a scale that was not achievable in the past. Prestack inversion can estimate the P-wave velocity, shear-wave velocity...

2001

First-Arrival Traveltime Inversion in the CMP Domain: Method and Application

Search and Discovery.com

... or turning wave arrival. Here, the assumption of turning wave was used to transform time-offset first-arrival into velocity-depth model. Figure 1 shows...

2013

The Wave Equation Applied to Migration

D. Loewenthal, L. Lu, R. Roberson, J. Sherwood

Southeast Asia Petroleum Exploration Society (SEAPEX)

... The CDP stack section may be considered as a wave field measured at the surface of the earth. Given the approximate velocity variations within...

1978

SYNTHETIC SEISMOGRAMS

Search and Discovery.com

N/A

Abstract: Numerical Modeling of Shear-wave Splitting and Azimuthal Velocity Analysis in Fractured Media; #90172 (2014)

Zimin Zhang, Don C. Lawton, Robert R. Stewart

Search and Discovery.com

...Abstract: Numerical Modeling of Shear-wave Splitting and Azimuthal Velocity Analysis in Fractured Media; #90172 (2014) Zimin Zhang, Don C. Lawton...

2014

High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration

Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen

AAPG Bulletin

.... For example, the acoustic medium can be represented using primary wave (P-wave) velocity and density, and the isotropic elastic medium can be described using...

2024

Seismic Characterisation of Unconventional Plays in North America

Lee Bell, Mary Edrich, Alvaro Chaveste

Petroleum Exploration Society of Australia (PESA)

... fractures' orientation and density, with the The second P-wave method uses the variation seismic velocity being faster parallel...

2012

Abstract: Velocity Anisotropy from Core Measurements, VSP and Sonic Logs Analysis in a Single Well Study in NE Alberta; #90224 (2015)

Judith Chan and Douglas R. Schmitt

Search and Discovery.com

... of seismic anisotropy. Problems arise from the directional dependence of wave propagation that was unaccounted for in the original isotropic velocity...

2015

Abstract: Near Surface and Anisotropy Modeling Strategies for Fast-Track Land Depth Imaging; #90319 (2018)

Ernesto Sandoval-Curiel, Daniele Colombo

Search and Discovery.com

... mostly related to the near-surface velocity variations where these complexities can cause poor imaging, generate distortions and ultimately mask...

2018

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

...Diving wave tomography: Velocity modelling using first arrival traveltime Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu Bulletin...

2022

Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra

Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso

Indonesian Petroleum Association

..., or reflectivity, is the acoustic impedance, defined as the product of P-wave velocity and rock density. Spatial variations in the acoustic impedance mimic...

1992

Abstract: AVO Analysis of Long Offset Seismic Data Using 3-D Graphical Analysis

Fuping Zhu, Richard L. Gibson

GCAGS Transactions

..., Geophysics: The Leading Edge of Exploration, Vol. 09, No. 06, pp. 15-22. Zhu, F., 2000, Shear-wave velocity estimation using multiple logs...

2001

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