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The AAPG/Datapages Combined Publications Database
Showing 19,696 Results. Searched 195,452 documents.
Shear Velocity Prediction and its Rock Mechanic Implications, #41296 (2014)
Yexin Liu, Zhuoheng Chen, Kezhen Hu
Search and Discovery.com
... estimation. We propose a method for estimating the shear velocity from P-wave velocity, porosity, shale content and saturation. The response equation...
2014
A Practical Review of Migration Issues and Solutions; #40723 (2011)
Ian F. Jones
Search and Discovery.com
..., both of which are numerical solutions to the wave equation. These two categories are the integral methods (including Kirchhoff and beam techniques...
2011
Abstract: AVO Depth Modelling (Paper 2)
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... conventionally derived data is one such approach. Given a eMP gather, the horizontal display of the variation of P-wave amplitudes provide a quick-look at any...
1996
Gravel Ripples on the Inner Scotian Shelf
D. L. Forbes, R. Boyd
Journal of Sedimentary Research (SEPM)
..., computed from Equation 2, for appropriate values of incident wave period in the range 8 T 16 s, range from 0.6 to 2.0 m/s. Threshold velocities computed...
1987
Simultaneous inversion of tight sandstone reservoir fluid and brittleness index based on frequency-dependent AVO
Tianjun Lan, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
.... In order to reduce the reservoir prediction error and improve the calculation efficiency, the PP-wave reflection coefficient equation characterized...
2023
Abstracts: Time-lapse Differential AVO: Reflection Coefficient at Fluid-fluid Boundary; #90173 (2015)
Jinfeng Ma
Search and Discovery.com
... the amplitude difference and map fluid variation in a reservoir. In terms of elasticity modulus of Zoeppritz equation approximation and based on fluid...
2015
Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)
M. Malehmir and D. R. Schmitt
Search and Discovery.com
... propagation, lets start with general wave equation 1 and plane wave equation 2. 1 ∂ ρ ui = ci jkl ¨ 2 ∂xj ∂ uk ∂ ul + ∂ xl ∂ xk uk = A0 Pk e(−iK(n.r...
2015
Modeling the Rollovers of Sandy Clinoforms from the Gravity Effect on Wave-Agitated Sand
Neil C. Mitchell
Journal of Sedimentary Research (SEPM)
... Equation 1 with exponentially declining K with depth (Mitchell and Huthnance 2007), simulating the effect of wave action on sediment supplied from...
2012
Abstract: DMO and Migration: Imaging Tools in Geophysics
Craig J. Beasley
Geological Society of Malaysia (GSM)
... are numerical processes based on the wave equation that attempt to focus the seismic images in much the same way as a camera lens focuses light...
1991
Study of Subtle Traps Using Horizontal Seismic Sections: ABSTRACT
Alistair R. Brown, C. G. Dahm, Robert J. Graebner
AAPG Bulletin
... of these features has been further studied using seismic logs, derived by wave equation inversion. Reservoirs thicker than 30 ft (9 m) have proved...
1981
SONIC LOG APPLICATIONS - EASTERN VENEZUELA
W. F. Clarke
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... the rock is subjected. Rock System - The theory of wave propagation through an heterogeneous elastic medium is a complex one which involves the elastic...
1961
Application of Multi-Scale Fracture Detection from Borehole Microresistivity Image and Dipole Shear Wave Reflection Imaging in Shale Gas Horizontal Wells: A Case Study in Changning Gas Field
DE Heng, He Fa Yao, Ran Wen, Bin Lin, Qi Cheng Fan, Yan Hui Fu,
Unconventional Resources Technology Conference (URTEC)
... of the wave on the propagation path, e(−ωD/2Q ∗β), Where Qβ and β are the quality factor and wave velocity of shear wave. It can be seen from equation 1...
2021
Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology
Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia
Indonesian Petroleum Association
... processing flows for both PP and PS waves were laid out to improve the structural and reservoir images. Particularly for PS converted wave data, apart from...
2014
ABSTRACT: Petrophysical Attribute Evaluation and Anisotropic AVO Modeling in the Chad Basin, NE, Nigeria, by Adeagbo, Oloruntoba J.; Adepelumi, Adekunle A. ; #90142 (2012)
Search and Discovery.com
2012
Abstract: AVAZ Inversion for Anisotropy Parameters of a Fractured Medium; #90174 (2014)
Faranak Mahmoudian, Gary F. Margrave, and Joe Wong
Search and Discovery.com
... inversion. This result makes it possible to compute the shear-wave splitting parameter, γ, (historically determined from shear-wave data) directly...
2014
A Methodology for Selecting Optimal Pipe Rocking Regimes during Slide Drilling
Ian Rostagno, Michael Yi, Pradeepkumar Ashok, Eric van Oort, Ben Potash, Chris Mullin
Unconventional Resources Technology Conference (URTEC)
... and the wellbore. Drillstring dynamics was then simulated using a torsional damped wave equation applying finite difference approximations. Finally...
2019
Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015)
Raul Cova, David Henley, and Kris Innanen
Search and Discovery.com
...Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015) Raul Cova, David Henley, and Kris Innanen Datapages/Search and Discovery Article...
2015
Abstract: Use of a Petrophysical-Based Reservoir Zonation and Multicomponent (3-D, 3C) Seismic Attributes for Improved Geologic Modeling, by M. J. Pranter; #90925 (1999)
Search and Discovery.com
1999
Observing Pore-Scale Gas Hydrate Morphology and its Acoustic Response to the Host Sediments
Search and Discovery.com
N/A
Abstract: Correlation of P-P and P-S Data in Yinggehai Basin, South China Sea; #90171 (2013)
Jinfeng Ma, Le Gao, and Igor Morozov
Search and Discovery.com
... and βj are its P- and S-wave velocities. Equation (1) can be further simplified by assuming constant density or replacing density by P-wave velocity...
2013
Abstract: A New Approach to Seismic Interpretation in Challenging Imaging Environments, by C. Edward Helsing and David C. Berman; #90067 (2007)
Search and Discovery.com
2007
Abstract: A Novel Pre-Stack Inversion Technique Investigating a Carbonate Reservoir’s Rock Properties, by Michael Fleming, Sarah Corrie, Gary Yu, and Gary Perry; #90077 (2008)
Search and Discovery.com
2008
Abstract: Nonlinear Inverse Problems: Depth Imaging Challenges, by Sunjay S. Sunjay; #90081 (2008)
Search and Discovery.com
2008
ABSTRACT: Quantifying CO2 Saturation from Time-Lapse Well Logging in an Onshore Saline Aquifer, Nagaoka, Japan; #90061 (2006)
Ziqiu Xue, Jiro Watanabe, and Daiji Tanase
Search and Discovery.com
... results strongly suggested the capability for quantifying CO2 concentration from seismic wave data with Gassmann’s equation. AAPG Search and Discovery...
2006
Abstract: Application of Viscoacoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data; #90246 (2016)
Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones
Search and Discovery.com
... to fully resolve the compartmentalized nature of the gas bodies, a wave equation-based method to derive the Earth model is required. Many current...
2016