Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 19,566 Results. Searched 195,372 documents.
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
... unable to account for the inhomogeneity scattering effects. Based on a phase eikonal equation, on the other hand, the phase-ray method is capable...
Unknown
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
... unable to account for the inhomogeneity scattering effects. Based on a phase eikonal equation, on the other hand, the phase-ray method is capable...
Unknown
ABSTRACT: Seismic Modeling with One-Way Wave Equation, by Jiao, Jianwu; Saleh, Saleh M.; Verschuur, Eric; #90141 (2012)
Search and Discovery.com
2012
Abstract: Evaluation of the Potential of Wave Equation Depth Imaging Technologies on Land, by Morgan P.Brown and Joseph H. Higginbotham; #90076 (2008)
Search and Discovery.com
2008
Abstract: Tomographic Reflected-Wave FWI Using Time Lag; #90254 (2016)
Geoff Clark, Yilong Qin
Search and Discovery.com
.... To mitigate the limitation of ray-based tomography methods, various wave-equation-based traveltime inversion methods or finite-frequency tomography...
2016
NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)
Joel Starr, Maz Farouki
Geological Society of Malaysia (GSM)
... and velocity in a CMP gather. NMO equations approximate the time shift which would be computed by tracing a ray through a horizontally layered Earth. A few...
2008
Improve Kirchhoff depth imaging using full-wave-equation traveltimes
Yongzhong Wang, Yang He, Alex Yeh, Faqi Liu, Bin Wang, Carlos Caldern
International Meeting for Applied Geoscience and Energy (IMAGE)
...Improve Kirchhoff depth imaging using full-wave-equation traveltimes Yongzhong Wang, Yang He, Alex Yeh, Faqi Liu, Bin Wang, Carlos Caldern Improve...
2023
Gamma Ray Logs: Chapter V
George B. Asquith, Charles R. Gibson
AAPG Special Volumes
... from Schlumberger, 1974). [EQUATION] Where: IGR = gamma ray index GRlog = gamma ray reading of formation GRmin = minimum gamma ray (clean sand...
1982
Abstract: Estimation of the Quality Factor with Tomography Using the Complex Eikonal Equation; #90255 (2017)
Tatiana Espinosa, Carlos Piedrahita Escobar
Search and Discovery.com
... or fractured media. To achieve an estimate of Q, initially, a complex eikonal equation is solved in a viscoelastic medium using ray tracing...
2017
ABSTRACT: Lithology and Fluid Identification Using Extended Impedance Method, by Utama, Widya; Saputro, Julian; #90155 (2012)
Search and Discovery.com
2012
Abstract: A Universal Equation to Calculate Shale Volume for Shaly-Sands and Carbonate Reservoirs; #90255 (2017)
David Soto, Rodolfo Soto, Oliver Pasquel, Duarry Arteaga, Johathan Soto
Search and Discovery.com
...Abstract: A Universal Equation to Calculate Shale Volume for Shaly-Sands and Carbonate Reservoirs; #90255 (2017) David Soto, Rodolfo Soto, Oliver...
2017
Abstract: Anaerobic Monitoring of Polymer Viscosity Derived from Radioactive TracerTool Well Logs and Detailed CFD Wellbore Model; #90237 (2015)
Juan Juri, A. M. Ruiz, M. Burbridge, M. Ichard, F. Peñalba, and S. P. Figliuolo
Search and Discovery.com
... exponent regardless the concentration. This work proposes to history matching the Carreau equation to reproduce the gamma ray peaks in the casing using...
2015
Abstract: Turning-Ray Tomography and Tomostatics; #90224 (2015)
Babatunde Arenrin, Gary Margrave, and John Bancroft
Search and Discovery.com
... (FWI), wave equation datuming and prestack depth migration. In this research, we apply turning-ray tomography to the statics problem of the Hussar 2D...
2015
Abstract: Regular Grids Travel Time Calculation A Practical Huygens Wavefront Expansion Approach; #90187 (2014)
Zhengsheng Yao, Mike Galbraith, and Randy Kolesar
Search and Discovery.com
... solution to the eikonal equation formulated in a ray coordinate system. Because it shares the information between rays, unlike ray tracing where...
2014
Abstract: Detailed Outcrop Gamma-Ray Characterization of the Woodford Shale, South-central Oklahoma, by Alischa M. Krystyniak, Stanley T. Paxton, and William S. Coffey; #90039 (2005)
Search and Discovery.com
2005
Determination of Organic-Matter Content of Appalachian Devonian Shales from Gamma-Ray Logs
James W. Schmoker
AAPG Bulletin
... basin the organic-matter content of the Devonian shale can be estimated from gamma-ray wire-line logs using the equation: ^phgro = (^ggrB - ^ggr)/1.378A...
1981
Quantitative X-Ray Diffractometry of Carbonate Rocks: RESEARCH METHOD PAPER
J. H. Fang, L. Zevin
Journal of Sedimentary Research (SEPM)
... of calcite, dolomite, quartz, pyrite, and anhydrite. THEORY As is well known, X-ray quantitative analysis is based on the equation of King and Alexander (1974...
1985
Recent Applications of Turning
Search and Discovery.com
N/A
Application of finite difference eikonal solver for traveltime computation in forward modeling and migration
Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff
Geological Society of Malaysia (GSM)
... be computed by solving wave equation of the ray path or the eikonal wave equation. Accurate method of computing traveltimes will give a significant impact...
2021
Abstract: Wave-Equation Propagation as a Body-Wave Filter, by Benjamin Witten and Brad Artman; #90105 (2010)
Search and Discovery.com
2010
Petrophysics of Cooper Basin Reservoirs in South Australia
J. G. G. Morton
Petroleum Exploration Society of Australia (PESA)
... determinations and to determine the factors m * and n * for use in the Waxman• Smits Sw equation. A factor has been determined which corrects porosity...
1989
Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)
Tianfei Zhu
Search and Discovery.com
... wave equation takes the form u(x, ) A(x)eiT (x ) , (2) where A(x) and T(x) are the amplitude and traveltime along the ray. The former is in turn...
2014
Abstract: Subsalt Migration Velocity Analysis with the Common Image Cube Approach, by K. Mansoor, O. Hermant, H. Baudon, S. Warzocha, and M. Van De Rijzen, #90188 (2014)
Search and Discovery.com
2014
Abstract: Near-Surface Velocity Estimation Using Source-Domain Full Traveltime Inversion and Waveform Inversion; #90319 (2018)
Lu Liu, Bowen Guo, Yi Luo
Search and Discovery.com
... limitaions of ray theory and avoid manual picking, we propose to use wave-equation-based source-domain full traveltime inversion (FTI). This method...
2018
Standard Interpretation: Part 4. Wireline Methods
Mark Alberty
AAPG Special Volumes
... from the Archie equation since there is little or no volume shale, as indicated by the End_Page 184------------------------ gamma ray. Rt should...
1992