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The AAPG/Datapages Combined Publications Database
Showing 20,858 Results. Searched 200,619 documents.
Recent Applications of Turning
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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 Barokah 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
Abstract: Seimic Modeling of Geological Sequences and Fluid Filled; #90063 (2007)
Search and Discovery.com
2007
Estimating Seafloor Strength with C4 Data, by Bob Hardage, #40792 (2011).
Search and Discovery.com
2011
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