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The AAPG/Datapages Combined Publications Database
Showing 70,142 Results. Searched 196,121 documents.
Alternative Strategies for Modelling Complex Structures
Stephen Tyson
Indonesian Petroleum Association
... that can be modelled using geocellular techniques. The new system incorporates significantly more geological and stratigraphic information than before...
2008
A Pressure Transient Technique for Monitoring Waterfloods
Jeff Spath
Indonesian Petroleum Association
... is illustrated below in Figure 2. Figure 2. Relationship between elliptical and rectangular coordinate Using Eqns. 3 and 4, Eqns. 1 and 2 become...
2000
Abstract: Quantitative Assessment of Gestational Sac Shape: The Gestational Sac Shape Score, by Jia Li, Russell Deter, and Wesley Lee; #90206 (2014)
Search and Discovery.com
2014
Fast Marching Method Based Rapid Simulation Accounting for Gravity
Tsubasa Onishi, Atsushi Iino, Hye Young Jung, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
... into 1-D problems using the DTOF as a spatial coordinate, assuming that gravity segregation is negligible in the ultra-tight matrix domain. The hydraulic...
2019
A Simple Photogrammetric Method to Improve Quantitative Image Analysis in Geoscience Research: RESEARCH METHODS PAPERS
Jesus E. Caracuel, Javier Cardenal, Jorge Delgado-Garcia, Santiago Garcia-Lopez
Journal of Sedimentary Research (SEPM)
... in the frame of the photogrammetric cameras), and analytical coordinate transformation between measured image (pixel coordinates; u, v system in Figure 1...
2000
Well Locations and Mapping Considerations
F. Kenneth Aitken
Houston Geological Society Bulletin
... is governed by what was used for earlier maps in the same region. State Plane Coordinate System The State Plane Coordinate System is not a projection...
1994
Abstract: Mapping of Multiphase Dolomitization Using Ground-Based Spectral Imaging and Lidar Scanning, by T. H. Kurz, S. J. Buckley, and J. A. Howell; #90090 (2009).
Search and Discovery.com
2009
Abstract: Regular Grids Travel Time Calculation Fast Marching with an Adaptive Stencils Approach; #90187 (2014)
Zhengsheng Yao, Mike Galbraith, and Randy Kolesar
Search and Discovery.com
... on a Cartesian coordinate system with a simple first order finite difference scheme and therefore, it can not only improve accuracy but can also retain...
2014
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
Forward modeling for arbitrary irregular free-surface based on body-fitted grid
Erxiang Wei, Jianping Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... irregular free-surface, and then derive the firstorder velocity-stress elastic wave equations in a curvilinear coordinate system by discretizing the model...
2023
Abstract: The Application of Geographic Information Systems Technology to Geologic, Hydrogeologic, and Environmental Research, by B. H. Tew and D. G. Irvin; #90983 (1994).
Search and Discovery.com
1994
ABSTRACT: Onward Toward an Integrated Statewide Geological GIS, by L. H. Wickstrom and J. McDonald; #91021 (2010)
Search and Discovery.com
2010
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... with the fracture system. Let call the coordinate system aligned with the fracture system the (y1 , y2 ), then every point of the gradient ellipse...
2014
Abstract: Mineral exploration targeting using AutoCAD as a geographic information system
S. McLaren, P. Tallman
Atlantic Geology
...Abstract: Mineral exploration targeting using AutoCAD as a geographic information system S. McLaren, P. Tallman An.ANTIC GEOLOGY 123 Mineral...
1995
Modeling Anisotropy in Computer Mapping of Geologic Data: Chapter 7
Gregory Kushnir, Jeffrey M. Yarus
AAPG Special Volumes
... a procedure called Regional Anisotropic Data Mapping (RADM). The concept behind this procedure is to create a temporary coordinate system (space...
1992
ABSTRACT: Geodatabase of the South Texas Uranium District
Beaman, Mark and McGee, William Wade
GCAGS Transactions
... geology question can be resolved through the spatial analysis using a Geographic Information System (GIS). The compilation of past and present...
2002
Abstract: Using a Mass Balance Framework to Investigate Downstream Distributary Channel Narrowing in a Terminal Intraslope Mini Basin; #90063 (2007)
Search and Discovery.com
2007
Graphical Method for Calculating Dip and Strike from Continuous Dipmeters
B. Osborne Prescott
Tulsa Geological Society
... the values read on the outer edge of the polar coordinate chart for the correction azimuth, using positive values (0° to 180°) from S through W to N, and boxed...
1955
Curvature of Equipotential Surfaces
M. M. Slotnick
AAPG Bulletin
... as a series when the surrounding space is referred to a convenient cartesian coordinate system. The tangent plane to S at P is that plane in which all...
1932
Abstract: The Benefits of Proper Data Capture and Management Practices at Monterey County Water Resources Agency: A Poster Session, by D. A. Tyler, R. J. Cruz, R. L. Johnson, and H. B. Franklin; #90920 (1999).
Search and Discovery.com
1999
Abstract: Implementation of GIS Technology from the Rocky Mountain Oilfield Testing Center (RMOTC), Casper, Wyoming, by Brian J. Black and Jeanette W. Buelt; #90078 (2008)
Search and Discovery.com
2008
ABSTRACT: Aquifer and Reservoir Analog Heterogeneity for Petroleum and Groundwater Modeling from Lidar Imaging of Outcrops; #90106 (2010)
Elizabeth M. Nichols, Gary S. Weissmann, Timothy F. Wawrzyniec
Search and Discovery.com
... on the surface of the sediments. The lidar data are represented as a point cloud of intensity values with an x, y, and z coordinate system. We created a 3D...
2010
Multi-Resolution Simulation for Efficient Pressure & Stress Calculation in Large-Scale CO2 Storage Using Pseudosteady State Pressure as Spatial Coordinate
Kazuyuki Terada, Akhil Datta-Gupta, Michael J. King
Carbon Capture, Utilization and Storage (CCUS)
... in Large-Scale CO2 Storage Using Pseudosteady State Pressure as Spatial Coordinate Kazuyuki Terada*, Akhil Datta-Gupta, Michael J. King. Texas A&M...
2024
Fracture Analysis Before and After Hydraulic Fracturing in the Marcellus Shale Using the Mohr-Coulomb Failure Criteria
Kaitlin Evans, Randy Toth, Tobi Ore, Jarrett Smith,Natalia Bannikova, Timothy Carr, Payam Kavousi Ghahfarokhi
Unconventional Resources Technology Conference (URTEC)
... . The principal normal stress is represented by Eq. 2: 𝑆𝑆1 𝑆𝑆 = � 0 0 This stress can be expressed in a geographical coordinate system using the transform...
2019
Abstract: SS-wave Reflections from P-wave Sources in Azimuthally Anisotropic Media; #90187 (2014)
James Gaiser and Richard Verm
Search and Discovery.com
... to a source-centered coordinate system (Gaiser, 1999) of radial and trans- Table 1: VTI Marcellus model. Depths and velocities are m and m/s, respective3...
2014