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The AAPG/Datapages Combined Publications Database
Showing 20,640 Results. Searched 200,625 documents.
Abstract: Regime Rays: Visualizing the Fermat/Snell Loci in Homogeneous Anisotropic Media; #90171 (2013)
William J. Vetter
Search and Discovery.com
...-paths velocity distributions {vAPPARENT, vTIME-AVE, vRMS, vPATH-MEAN}; also lPATH which are true pathlengths for intangible FS-ray loci. All this comes...
2013
A case study: Joint 3D surface seismic and VSP survey and its effect in complex structural areas of southwest China
Huang Yuanyi, Liang Xing, Jiang Liwei, Li Xuefeng, Wang Changhui, Hu Jiang, Cheng Gaoming, Jin Zhigang, Wang Lifeng, Zhang Sheng, Wang Qiangjun, Sun Jiangwei
International Meeting for Applied Geoscience and Energy (IMAGE)
... depth, seismic Q and velocity investigation of near-surface. The quality of acquired data is improved. Based on the accurate seismic Q and velocity...
2023
Extended Abstract: Advances in Interpretation & Imaging
P. Beale
Southeast Asia Petroleum Exploration Society (SEAPEX)
... Inversion 3D Coherency Inversion (3D C.I. – 3D ray traced velocity analysis) 3D Depth model Demigrate picks & Map migration 3D PoSDM to image...
1998
Gaining Insight into Formation Anisotropy Using Full Azimuth Imaging and Analysis Tools
Duane Dopkin, Anat Canning, Philip Neri
Indonesian Petroleum Association
... azimuth angle gathers in depth, using a rich decomposition procedure (EarthStudy 360™) designed to preserve all subsurface azimuths. Here velocity...
2012
Applying Seismic Attribute Analysis and Inversion Techniques to Understand the Trapping Mechanism in the Gajah Abu Abu Field, West Natuna Offshore
R. Wawan Satriawan, Toby Read, Hendra Baskara
Indonesian Petroleum Association
...). In this case, regression means a polynomial regression was calculated using selected input well logs. For this study, a linear regression equation...
2005
Using Multi-Focusing 3-D Diffraction Imaging to Predict Fracture Swarms in Unconventional Reservoirs
Marianne Rauch-Davies, Alex Berkovitch, Kostya Deev
Unconventional Resources Technology Conference (URTEC)
... Rcee Rcre ; (2) X X X X X X 2 sin Rcre (3) is the normal ray; Rcre and Rcee are radii of curvatures of two...
2013
The impact of seismic nodes on enhancing subsurface imaging for mining A case study over the Tamarack Nickel field
Eamonn Murray, Andrew Stone, Celina Giersz, Amine Ourabah, Brian Bengert
International Meeting for Applied Geoscience and Energy (IMAGE)
... that the difference between the input and synthetic first break picks are minimized. A P-wave velocity model of the nearsurface is output, to a depth limited...
2024
Overview of Exploration Geophysics: Recent Breakthroughs and Challenging New Problems: Hydrocarbons
B. S. Flowers
AAPG Special Volumes
... differential time delays and ray-path distortions which result in misalignments of the common-depth-point (CDP) stack. Until this problem was solved a few years...
1976
The Use of Time-Lapse Seismic Attributes for Characterizing Hydraulic Fractures in a Tight Siltstone Reservoir
N. Riazi, C.R. Clarkson
Unconventional Resources Technology Conference (URTEC)
... bulk modulus and fluid and rock properties. The basic relationship for initial P-wave and S-wave velocity can be expressed using Equation 1: 1 1 (1...
2017
Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)
N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya
Geological Society of Malaysia (GSM)
... geologically plausible and geophysically reliable velocity models is critical. To match the expectations from the depth imaging outcome, velocity model...
2012
The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)
Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,
Search and Discovery.com
... migration. The time-migrated section is converted into depth section using the available velocity field. The processing flowchart may be as follows: (1...
2011
Understanding Lithologic Significance of Amplitude Envelope and Acoustic Impedance within Oligocene and Miocene Strata, South Texas Gulf Coast; #40577 (2010)
Osareni Ogiesoba, Ursula Hammes
Search and Discovery.com
... curves show linear show linear relationships. AI vs. gamma‐ray and AI vs. AE have similar trends (negative gradients). Redfish Bay Miocene lowstand...
2010
An Analytical Formulation of Seismic-derived Resistivity, by Denny Merkurius F. Mendrofa and Bambang Widarsono, #40245 (2007).
Search and Discovery.com
2007
ABSTRACT: Data Integration for Unayzah Reservoir Characterization: Saudi Arabia, by Salem G. Aljuhani; #90906(2001)
Search and Discovery.com
2001
Overview of Exploration Geophysics--Recent Breakthroughs and Challenging New Problems
B. S. Flowers
AAPG Bulletin
... and ray-path distortions which result in misalignments of the common-depth-point stack. Until this problem was solved a few years ago, the Michigan...
1976
Empirical Relation Between Carbonate Porosity and Thermal Maturity: An Approach to Regional Porosity Prediction: DISCUSSION
Michael B. Ray
AAPG Bulletin
... that the porosity vs. depth relationship has the form: [EQUATION] where ^agr and ß are parameters obtained by curve fitting and are lithology-dependent. These two...
1985
Abstract: Preliminary Velocity Model of the Upper Part of the San Fernando Valley Sedimentary Basin, by G. Simila, K. Thygesen, G. Fuis, H. Thybo, J. M. Murphy, and D. Okaya; #90904 (2001)
Search and Discovery.com
2001
Implementation of the DIPSCAN Method to Estimate Boundary Dips in Complicated Structures by VSP Data
A. A. Tabakov, V.N.Ferentsi, H. Gravini
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
...) and velocity model of media in a vicinity Ω are known. From Fermat’s principle follows, that the ray is propagated from source point S to receiver point M...
2006
Abstract: Tau-P Seismic Data Processing: Fast Slant Stack Using the Hartley Transform
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... examines the transfonned versus wavefonn in the f-k domain, slant stack analysis looks at the intercept time horizontal phase velocity or the ray parameter...
1991
A Practical Discussion of 3D Seismic Surveys
Howell Pardue, Stephen Jumper, Frank Brown, Peter Morton
West Texas Geological Society
..., the survey with the wide range of azimuths is affected by rapid velocity changes and ray-path distortion in the subsurface for which processing algorithms...
1994
II. Information Content and Resolution Potential of Seismic Data.
Norman S. Neidell
AAPG Special Volumes
... to be presented on the next figure. If we consider a colocated source and receiver, then according to familiar ray theory we would draw a raypath down...
1979
Stratigraphic and Seismic Evidence for Late Cretaceous Growth Faulting, Denver Basin, Colorado: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
Robert J. Weimer , T. L. Davis
AAPG Special Volumes
...-density, overpressured zones exhibit departures from the normal trend. Interval velocity in the undercompacted section (at depth D2) is then compared...
1977
Structure of Upper Cenozoic Strata Beneath Kodiak Shelf, Alaska
Michael A. Fisher, Roland Von Huene
AAPG Bulletin
... of straight-line segments about 1 km long. The program requires the assumption of linear velocity variation with depth. That variation, derived from stacking...
1980
Abstract: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014)
Marianne Rauch-Davies, Alex Berkovitch, Danil Pelman, and Kostya Deev
Search and Discovery.com
... 0 (X ) 2 Rcre VO (6) Figure 1: MultiFocusing ray diagram for diffracted wave detection. As it follows from equation (6), diffraction...
2014
Resolving geological complexity with legacy streamer survey: Potiguar 3D offshore Brazil case study
Seet Li Yong, Milos Cvetkovic, Terry Johnson, Boedi Soelistijo, Leon Ge
International Meeting for Applied Geoscience and Energy (IMAGE)
... domain ray-based algorithms, 3D interpretation with the aim of delineating geological features may be required to overcome the linear assumption...
2023