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The AAPG/Datapages Combined Publications Database
Showing 20,604 Results. Searched 200,357 documents.
Abstract: Discriminating Depositional Habitat and Provenance of Mudrock Through Use of Spectral Gamma Ray; #90063 (2007)
Search and Discovery.com
2007
Relation between dips of prestack time migrated and unmigrated data
Jagmeet Singh
International Meeting for Applied Geoscience and Energy (IMAGE)
... aperture, we see from Figure 1 that we get the following equation for the migration ellipse (dotted curve) :4𝑥 2 𝑣2 𝑡 2 + 4𝑧 2 ′2 𝑣 2 𝑡0 =1 (4...
2024
Derivation of Seismic Depth Sections
H. Buchholtz, W. Houba
Geological Society of Malaysia (GSM)
.... Improved depth sections by combination of ray tracing and wave equation migration. Exploration Seminar, Cairo 1984 SCHNEIDER, J. and RIST, H., 1984. Depth...
1987
X-Ray Diffraction Techniques Applicable to Studies of Diagenesis and Low Rank Metamorphism in Humic Sediments
George M. Griffin
Journal of Sedimentary Research (SEPM)
...X-Ray Diffraction Techniques Applicable to Studies of Diagenesis and Low Rank Metamorphism in Humic Sediments George M. Griffin 1967 Vol. 37 No. 4...
1967
Depth Imaging Seeing the Invisible
Vetle Vinje
GEO ExPro Magazine
... a solution of the wave equation using a ray approximation is used in Kirchhoff and Beam Migration. The main differences between these methods, which all have...
2010
EXTENDED ABSTRACT: Applications of Wave Imaging Technologies to Improve Deep Gulf Prospecting
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez
GCAGS Transactions
... in the Gulf Coast. When the velocity complexity is severe, such as under Gulf of Mexico salt, Wave Equation PSDM (WEM) algorithms generally produce...
2010
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: Uranium favorability interpreted from Uranium Reconnaissance Program data, ground radiometry and gravity (New Brunswick)
J. J. Chandra, D. E. Gemmell
Atlantic Geology
... from the u.R.P. survey (1976), were investigated on the ground by hand-held and truck-mounted gamma-ray sensors. Of these ~no malies, nine have been...
1981
ABSTRACT: Low Resistivity in Aux Vases Sandstone Reservoirs in the Illinois Basin Linked to Clay Minerals Coating Sand Grains
Beverly Seyler
The Society for Organic Petrology (TSOP)
... virtually every grain and lining all pores. X-ray diffraction and SEM/EDX analyses have shown that diagenetic clay minerals in the reservoir facies...
1997
Abstract: Derivation of Seismic Depth Sections
H. Buchholtz, W. Houba
Geological Society of Malaysia (GSM)
... applying a horizon by horizon migration based on a ray tracing method. The resulting velocity distribution is then used in the wave equation...
1985
Abstract: Determination of Depth Models Through Self-Consistent Structural Modeling to Help Delineate Hydrocarbon Traps, by A. K. Benson; #90993 (1993).
Search and Discovery.com
1993
-- no title --
user
Search and Discovery.com
... where multi-valued ray-paths exist (e.g. complex salt bodies), we generally use a oneway Wavefield Extrapolation (WE) algorithm instead. However, more...
Unknown
-- no title --
user
Search and Discovery.com
... where multi-valued ray-paths exist (e.g. complex salt bodies), we generally use a oneway Wavefield Extrapolation (WE) algorithm instead. However, more...
Unknown
Abstract: Wavepath Imaging for Passive Data; #91204 (2023)
Yicheng Zhou, Sherif Hanafy
Search and Discovery.com
... method, here the seismic energy is smeared along the whole image volume, which may increase the level of artefacts, and (3) using wave-equation-based...
2023
Multiple Diffractions
Search and Discovery.com
N/A
A Regression Technique for the Analysis of Shales by X-ray Diffractometry
John M. Cubitt
Journal of Sedimentary Research (SEPM)
...A Regression Technique for the Analysis of Shales by X-ray Diffractometry John M. Cubitt 1975 Vol. 45 No. 2. (June), Quantitative mineralogical...
1975
Identification of Distribution Sandstone Reservoir Zone and Hydrocarbon Fluid Using Extended Elastic Impedance (EEI) in Talang Akar Formation at Azzura Field, North West Java Basin
Annisa Dian Afsary, Adi Susilo, Bayu Dwijatmiko, Agung Dwi Alfianto
Indonesian Petroleum Association
... as the amount of change in volume (can be compressed) when subjected to stress. Incompressibility can be expressed by equation of Kolsky, H. (1963...
2019
Seismic Migration: Part 7. Geophysical Methods
Ken Larner, David Hale
AAPG Special Volumes
... that is homogeneous (constant P-wave velocity) with the exception of an isolated boulder at some depth. Also shown are the straight ray paths traveled...
1992
Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)
Robert J. Ferguson and Gary F. Margrave
Search and Discovery.com
... and seismic reflectivity is estimated (imaging). Unlike ray-based approaches, extrapolation raypaths are not restricted to minimum traveltimes (Schneider...
2013
Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)
Robert J. Ferguson and Gary F. Margrave
Search and Discovery.com
... and seismic reflectivity is estimated (imaging). Unlike ray-based approaches, extrapolation raypaths are not restricted to minimum traveltimes (Schneider...
2013
Abstract: Near-surface Issues in TTI Wave Equation Migration from Topography; #90171 (2013)
Chuck Ursenbach, Richard A. Bale, and Samuel H. Gray
Search and Discovery.com
... [email protected] Summary Wave-equation migration, which uses more accurate wavefield extrapolation techniques than ray-based Kirchhoff...
2013
Abstracts: A Decomposition of RP into Contributions from single-parameter Reflectivities; #90173 (2015)
Kristopher A. Innanen
Search and Discovery.com
... on Taylor's series expansions with respect to both the model parameters within the Zoeppritz equations (Ursin, & Dahl, 1992), and with respect to the ray...
2015
On the connection between WRI and FWI: Analysis of the nonlinear term in the Hessian matrix
Ali Gholami, Hossein S. Aghamiry, Stephane Operto
International Meeting for Applied Geoscience and Energy (IMAGE)
... reconstruction inversion (WRI) (van Leeuwen and Herrmann, 2013) increases the robustness by relaxing the waveequation constraint. This wave-equation...
2022
Reconstruction of 3-D Pore Space Using Multiple-Point Statistics Based on a 2-D Training Image
Search and Discovery.com
N/A
Tight Sand Water Saturation Calculations: What do They Really Mean? by Mike Mullen
Search and Discovery.com
N/A