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The AAPG/Datapages Combined Publications Database
Showing 3,960 Results. Searched 200,616 documents.
Can Moment Tensor Inversion Aid Engineering Decisions? A Delaware Basin Case Study
Mark G. Mack, Scott M. Taylor, Jamie Rich, Dan Kahn, Jeremy King, Ben Schaeffer, Anton Reshetnikov, David Langton, Brendan Elliott, Alex Biholar
Unconventional Resources Technology Conference (URTEC)
... 11. Rose diagram of azimuth of events for the six stages in this case study. URTeC 2693686 9 Mohr’s Circle Analysis of Completion Design The MTI...
2017
Analysis of the Hydrocarbon Sandstone Distribution Using Rock Physics and Petrophysics Calculations, Simultaneous Inversion, Extended Elastic Impedance (EEI) and Curved Pseudo-Elastic Impedance (CPEI) in X Field Bonaparte Basin
Alfan Hidayah Kusuma, Meta Nisrina Syafitri, Zakki Fahrurrozi
Indonesian Petroleum Association
..., and image (f ) is an Acoustic Impedance parameter. In Figure 5, the red circle indicates that the layer has sandstone, the yellow circle indicates...
2020
Are There Better Alternatives to Standard Rose Diagrams?
Neil A. Wells
Journal of Sedimentary Research (SEPM)
... Fisher 1993, p. 19). Because the bars are rectangular, they allow linear scaling, although they have to be offset from the center of the circle...
2000
Geology of the Midway-Sunset Oil Field
Glenn J. Gregory
Pacific Section of AAPG
... on the structure contour maps “Circle and Delta Markers,” (Fig. 6, Gregory, 1995; Callaway, 1967), and “N point marker,” (Fig. 7, Callaway, 1968). The Circle...
2001
PowerPoint Presentation
Engelder
Search and Discovery.com
... these two equations for sn and t Using trigonometry the famous equations for the Mohr’s Circle are derived and Note that in these equations q is the angle...
Unknown
The Three Elements of Structural Geology Part 1, #41849 (2016).
Terry Engelder
Search and Discovery.com
...’s Circle are derived and Note that in these equations q is the angle between s1 and the normal to the fault plane. If q is the angle between s1...
2016
Ordovician-Mississippian Rocks of the Paradox Basin
A. W. Neff, S. C. Brown
Utah Geological Association
... on the northwest by the San Rafael Swell, on the west by the Circle Cliffs upwarp, on the south by the Defiance uplift and the northeast by the Uncompahgre...
1958
Marine Seismic Sources: Part XII: Sound in the Sea
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
.... But first, think of a wave spreading out from a raindrop hitting the water surface; the further from the raindrop source, the bigger the circle formed...
2012
Fracture, Fracture Everywhere: Part II: How and Why Do Fractures Occur in Rocks?
Rasoul Sorkhabi
GEO ExPro Magazine
... + 4Tσn – 4T2 = 0 . p velo re En Failu mb oulo – C iffith Gr . − σn e Rasoul Sorkhabi Mohr circle and calculations of normal stress and shear...
2014
Stress rotations and compounding pore-pressures from multiple well injections
Jonathan P. McKenna, Christine Remington, Michael S. Blaz
International Meeting for Applied Geoscience and Energy (IMAGE)
... to the left of the of the great circle indicating they are left-lateral oblique to strike slip as opposed to the right rotation events shown in fig 2C. All...
2022
Anisotropic Depth Migration Applied in an Area of the Colombian Llanos Foothills as a Tool for Understanding the Structure in Depth
Isabel Cristina Florez, Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... circle surrounds the fold on the time section (Figure 6), the blue circle indicates the position of this same feature on the isotropic depth migration...
2006
Magnetic Stratigraphy of the Middle Eocene Point of Rocks Sandstone (Ulatisian and Type Narizian Stages), Western San Joaquin Basin, California
Donald R. Prothero
Pacific Section SEPM
...-reversed polarity respectively, so limited signific a n c e is a t t a c h e d t0 these data. confidence for normal sites (solid dot and circle...
2001
High-resolution elastic full-waveform inversion using ocean-bottom nodes in Santos Basin, Brazil
Marilia Carneiro, Nathalia Ladeira Casado, Juliana Igarashi da Cruz, Pedro Barros, Chirag Parekh, Emmanuel Saragoussi, Bernardo Quijano
International Meeting for Applied Geoscience and Energy (IMAGE)
... and simplification in the pre-salt. These improvements are observable in superior focusing and fault delineation, as indicated by the white dashed circle...
2024
A more automated footprint removal for full-waveform inversion
David F. Halliday, James Xu, Soumya Roy
International Meeting for Applied Geoscience and Energy (IMAGE)
... showing the relationship between the identified footprint wavenumbers (red oval) and low-wavenumber signal to be protected (green circle). Automatic...
2024
Interrelationship of carbazoles with other geochemical markers across geographically diverse petroleum systems
Daniella Gutierrez, Thomas Malloy, Joseph Curiale, Jagoš R. Radović
International Meeting for Applied Geoscience and Energy (IMAGE)
... correlations (r2 > 0.500) by both count and average. The black circle notates the terpene-benzocarbazole example covered in the Results and Discussion section...
2024
New Interpretation of Some Laccolithic Mountains and Its Possible Bearing on Structural Traps for Oil and Gas
Charles B. Hunt
AAPG Bulletin
... the radius of the basal circle of the cone; in other words, if the lines representing this part of the lateral surface were restored to a horizontal...
1942
Concentric Marks: Current Indicators: NOTES
K. Werner Barthel
Journal of Sedimentary Research (SEPM)
... state of decay, whereas the tail portion is fairly well preserved (fig. 1). At about the base of this posterior portion is the center of a circle...
1966
A Visual Comparator for Degree of Sorting in Thin and Plane Sections: REPLY
James Harrell
Journal of Sedimentary Research (SEPM)
... in Figure 1 were us d in order to simplify the data presentation. The standard deviation or "sorting" (S) of sphere and circle diameters can be calculated...
1985
Mesoscopic Structural Homogeneity of Maya Series and Macal Series, Mountain Pine Ridge, British Honduras: GEOLOGICAL NOTES
Stephen E. Kesler , J. Howard Bateson , William L. Josey , George H. Cramer , Weldon A. Simmons
AAPG Bulletin
... of a great circle that strikes N10°W and dips 55° southwest (Fig. 3). Small folds in bedding in these rocks have developed an axial plane cleavage (S1...
1971
Phase Unwrapping: A Review of Methods and a Novel Technique
Sam T. Kaplan
Search and Discovery.com
... the polynomial in equation (1) for the unit circle in the z plane. That is, for z 1 and arg(z) (S , S ] . Second, we take the logarithm of the polynomial w...
Unknown
Phase Unwrapping: A Review of Methods and a Novel Technique
Sam T. Kaplan
Search and Discovery.com
... the polynomial in equation (1) for the unit circle in the z plane. That is, for z 1 and arg(z) (S , S ] . Second, we take the logarithm of the polynomial w...
Unknown
Abstract: Application of 2D Crosscorrelation and Radon Transform for Analysis of Double Couple Microseismic Source; #90187 (2014)
Neda Boroumand and Hassan Khaniani
Search and Discovery.com
... arrows) and force couple (dashed arrow). The full colored circle legend indicates the direction of particle motion: the inner circle corresponds...
2014
Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth
emamedov
Search and Discovery.com
... migration, which corrects for both heterogeneity and anisotropy. The yellow circle surrounds a fold imaged on the time section (Figure 5); the blue...
Unknown
Aggregation Methodology for the Circum-Arctic Petroleum Assessment, #40500 (2010)
John H Schuenemeyer
Search and Discovery.com
...: Estimates of Undiscovered Oil and Gas North of the Arctic Circle, Fact Sheet 2008-3049 (download at http://pubs.usgs.gov/fs/2008/3049) Aggregation...
2010
Implications of Cell Dimensions on Dipping Bed Continuity in Flat-Layered Geomodels; #41585 (2015)
Gregory Benson
Search and Discovery.com
... combinations of bed thickness and cell widths. The black circle highlights the scenario of Figure 3 and Figure 4A, in which there is no face-to face...
2015