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The AAPG/Datapages Combined Publications Database

Showing 20,858 Results. Searched 200,619 documents.

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Recent Applications of Turning

Search and Discovery.com

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Sandstone Reservoir Distribution of Cibulakan Formation Using Seismic Inversion Method: Extended Elastic Impedance (EEI), in Cemara Field, North West Java Basin

M. Rizky Harun, Lutfie Arlan Sandria, Asri Surya Ilhami, Adang Sukmatiawan, M. Razi

Indonesian Petroleum Association

... can also created from the P-wave, S-wave, and density logs for each angle  from the scaled reflectivity equation using the following equation: ……. 5...

2013

Porosity and Permeability Estimation Using Acoustic Impedance Inversion and Instantaneous Q Method in BarokahŽ Field, Baturaja Formation, South Sumatera Basin

Diva Alfiansyah, Sulistyo Oetomo Putro, Sismanto, Fatkhul Mu'in

Indonesian Petroleum Association

...), the velocity of P wave of well log data (m/s)and the velocity of the S wave that is derived from the equation of Castagna, et al (1993) to calculate...

2017

Tomographic waveform inversion (TWI) applied to real seismic data

Jlio Oliva Frigrio, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

.../10.1190/segam2018-2998613.1. Biondi, B., and A. Almomin, 2012, Tomographic full waveform inversion (TFWI) by combining full waveform inversion with wave-equation...

2022

Time Lapse Feasibility Seismic Study of Gas Carbonates Reservoir in Tetra Field, Indonesia

Helmi Indrajaya, Boris Gurevich, Maxim Lebedev, Sigit Sukmono

Indonesian Petroleum Association

... one is when there is no residual gas. The fluid substitution via Gassmann’s equation is used to create the scenarios and shows a significant change...

2014

Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)

Roohollah Askari, Robert J. Ferguson, and Helen Isaac

Search and Discovery.com

..., Department of Geoscience, University of Calgary Summary One of the challenges of converted wave processing is to estimate a good near surface shear wave...

2014

Elastic full-waveform inversion using random space shift

Yuhui Yao, Jizhong Yang, Yuzhu Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... by using wave equation traveltime inversion (Ren et al., 2019, Xu et al., 2019, Zhang and Alkhalifah, 2019, Zhang et al., 2019). There are also some...

2022

Data selection for velocity model estimation using a circular shot OBN survey

Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

...) applications using a circular shot OBN survey. The synthetic seismic data was generated solving the acoustic wave equation by the finite difference...

2023

Direct monitoring of fluid saturation using time-lapse full-waveform inversion

Amir Mardan, Bernard Giroux, Gabriel Fabien-Ouellet, Mohammad Reza Saberi

International Meeting for Applied Geoscience and Energy (IMAGE)

...). The choice of density and Lam´ parameters (l and e µ) is the easiest option as they appear in the wave equation, however the wave equation can...

2022

Abstract: Reservoir Characteristics of a Quaternary Channel: Incorporating Rock Physics in Seismic and DC Resistivity Surveys; #90211 (2015)

Jawwad Ahmad and Douglas Schmitt

Search and Discovery.com

... frame, and φ = porosity. P wave velocity (Vp) can be calculated once ‘Ksat’ is calculated for desired fluid saturation using Gassmann’s equation. Where G...

2015

Qualitative and Quantitative Processing of Side Scan Sonar Data

F.S. Dwan, A.L. Anderson, T.W.C. Hilde

Circum Pacific Council Publications

...: qualitative image analysis and quantitative analysis based on the sonar equation. INTRODUCTION The ocean floor and its characteristics are of importance...

1996

Geotechnical Engineering Link Between Offshore Processes and Hazards: Section 3

Dwight A. Sangrey

AAPG Special Volumes

... of submarine Mississippi Delta sediments under simulated wave loadings: OTC Proc., v. 1, p. 399-412. Fenske, C.W., 1967, Symposium of vane shear...

1981

Abstract: Beam Migration of Canadian Foothills Datasets; #90171 (2013)

Tianfei Zhu, Terrence Krishnasamy, and Daniel Trad

Search and Discovery.com

..., making it relatively inaccurate in geologically complex areas (Hill, 2001). Wave-equation migration, on the other hand, can image multipathing arrivals...

2013

Rock-physics Models for Gas-hydrate Systems Associated with Unconsolidated Marine Sediments

Diana Sava, Bob Hardage

AAPG Special Volumes

... (S)-wave velocities, and to analyze compressional-wave (PP) and converted-shear-wave (PS) reflectivity at the base of hydrate stability zones. Elastic...

2009

Antidunes as Trochoidal Waves

Bryce M. Hand

Journal of Sedimentary Research (SEPM)

... to wave height/wavelength ratio, accurately describe the profiles of both natural and laboratory antidunes. Flume studies confirm that the water waves...

1969

Abstract: Numerical Modeling for Different Types of Fractures; #90187 (2014)

Xiaoqin Cui, Laurence R. Lines, and Edward S. Krebes

Search and Discovery.com

... that the non-welded contact interface is not approach to zero. In this paper, seismic wave propagation is affected by properties of the fractures in three...

2014

Abstract: A Joint LSPSM/Inversion Algorithm for High Resolution Time Lapse Imaging; #90187 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

... and Biondi (2010) used approximations to the wave equation least squares Hessian matrices to perform their inversion in the image domain. Implementing...

2014

Abstracts: Microseismic Event Models from Finite-differencing with Corrections; #90173 (2015)

Peter M. Manning

Search and Discovery.com

...’s techniques, which are very effective because they need target only those terms of the wave equation which propagate shear waves. The third example...

2015

Workflow for Nonlinear AVO Inversion to Estimate Seismic Anisotropy and Geomechanical Properties of Shale

Un Young Lim, Richard L. Gibson Jr., Nurul Kabir

Unconventional Resources Technology Conference (URTEC)

.... Although Rüger (1997) proposed an equation for P-wave reflection coefficients in anisotropic media, it only provides an accurate solution based...

2019

Flexural and Full Wave Logging Using the Low-Frequency Dipole Sonic

David E. Sharbak

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of the neutron porosity and the shear wave porosity from an LFD tool. The sonic porosity is computed from the time-average equation and is calibrated...

1994

Predicting S-wave sonic logs using machine learning with conventional logs for the Delaware Basin, Texas

Jaewook Lee, Yangkang Chen, Robin Dommisse, Alexandros Savvaidis, Guo-chin Dino Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

...Predicting S-wave sonic logs using machine learning with conventional logs for the Delaware Basin, Texas Jaewook Lee, Yangkang Chen, Robin Dommisse...

2023

Ubiquity of Wave-Dominated Deltas In Outer-Shelf Growth-Faulted Compartments

Mariana Iulia Olariu, Cornel Olariu

Journal of Sedimentary Research (SEPM)

...Ubiquity of Wave-Dominated Deltas In Outer-Shelf Growth-Faulted Compartments Mariana Iulia Olariu, Cornel Olariu 2015 768 779 Vol. 85 (2015) No. 7...

2015

Permeability, Porosity, and Shear-wave Anisotropy From Scaling of Open Fracture Populations

Randall Marrett

Rocky Mountain Association of Geologists

... equation 8 into equation 3 to yield a relation between shear-wave anisotropy and the total fracture permeability: By equating the fracture-length terms...

1997

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