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The AAPG/Datapages Combined Publications Database
Showing 3,961 Results. Searched 201,044 documents.
Cambrian Orsten Lagerstätte from the Alum Shale Formation: Fecal pellets as a probable source of phosphorus preservation
Haruyoshi Maeda, Gengo Tanaka, Norimasa Shimobayashi, Terufumi Ohno, Hiroshige Matsuoka
PALAIOS
... of the pellet bed containing ovate-elongate fecal pellets, platy shell debris of trilobites, a conodont (central circle), and Hesslandona unisulcata...
2011
Application of Precise Acoustic Positioning Techniques During the Development of the Liuhua Field in the South China Sea
John D. Hughes, Nigel C. Kelland
Southeast Asia Petroleum Exploration Society (SEAPEX)
... positioning error or 0.2 metres (95% of all position estimates required to fall within a 0.2 metre diameter circle). This applied both to the 30 inch...
1996
Structure of The Fairholme Range, Alberta
E. L. Fitzgerald
CSPG Bulletin
... west limb are present on the lower slopes of Cascade Mountain and near the Banff traffic circle, where Fernie and Kootenay beds have been identified...
1963
Geology and Mineral Occurrences of Northern Keg Mountain, Juab County, Utah
Michael A. Shubat
Utah Geological Association
... to the northeast. Figure 3 is a stereonet plot of poles to bedding of lower-plate carbonate rocks. A great circle drawn through this data yields a fold...
1987
Seismic attributes for enhancing structural and stratigraphic features: Application to N-Field, Malay Basin, Malaysia
Nur Shafiqah Shahman, Norazif Anuar, Mohamed Elsaadany, Deva Prasad Ghosh
Geological Society of Malaysia (GSM)
... that existed at maximum prominence in time slice 230 ms. Where the shape of the channel becomes increasingly visible (green circle loop), prediction of actual...
2021
Geological Modelling of McMurray Formation Reservoirs Based on Outcrop and Subsurface Analogues
Rudy S. Strobl, Daryl M. Wightman, Walid K. Muwais, Darrell K. Cotterill, Liping Yuan
CSPG Special Publications
... these sand-dominated successions. Figure 3. Conceptual diagram for open estuarine complexes of the McMurray Formation. A tadpole with a filled circle...
1997
Asean geology bibliometric analysis: A way forward for sustainable development
Khoong Tai Wai, Baba Musta, Kumara Adji Kusuma, Chong Kok Fei, Ow Mun Waei, Phuah Kit Teng
Geological Society of Malaysia (GSM)
...). Each cluster visually represents the relationship between a specific term and another term (Table 3). Every term is assigned a coloured circle...
2024
Gravel-Filled Gutter Casts in Nearshore Facies Indicators of Ancient Shoreline Trend
Francesco L. Chiocci, H. Edward Clifton
Special Publications of SEPM
... FIG gutter 9 cast Summary of trends on cross outer bedding dip circle directions rose diagram and within the Merced Formation in its...
1991
Exploration for Shallow Compaction-Induced Gas Accumulations in Sandstones of the Fort Union Formation, Powder River Basin, Wyoming
David W. Oldham
Rocky Mountain Association of Geologists
... were hampered by the blizzard. When the well was finally brought under control, the charred Rig 4 was moved off location, and Circle A Rig 10 finished...
1997
FAST: A New Technique for Geomechanical Assessment of the Risk of Reactivation-related Breach of Fault Seals
Scott D. Mildren, Richard R. Hillis, Paul J. Lyon, Jeremy J. Meyer, David N. Dewhurst, Peter J. Boult
AAPG Special Volumes
... of tensile and shear fractures in a rock sample. Shear fracturing occurs where differential stress (1 3, the diameter of Mohr circle) is relatively large...
2005
Advanced Simultaneous Formation Evaluation and Completion-Oriented Rock Classification in the Midland Basin Using Integrated Analysis of Well Logs, Core Measurements, and Geostatistical Data
Ameneh Rostami, Archana Jagadisan, Laura M Hernandez, Zoya Heidari, Bill Fairhurst, Inessa Yurchenko, Svetlana Ikonnikova, Scott Hamlin
Unconventional Resources Technology Conference (URTEC)
... in Figure 11. Well D Cored Well Well E Figure 11. Location of the correlation area marked by the green circle, the non-cored well inside the correlation...
2019
Drill Bit Geomechanics and Fracture Diagnostics Optimize Completions in the Powder River Basin
Ellen Scott, Claudio Ramos, Eric Romberg
Unconventional Resources Technology Conference (URTEC)
... the water-soluble tracer pumped in Well 1’s stages. Each stage’s water-soluble tracer is represented as a circle and the size of the circle reflects...
2019
Trace-Fossil Assemblages in the Lower Triassic Toad Formation, La Biche River Map Area, Southeastern Yukon
Robert B. MacNaughton, John-Paul Zonneveld
CSPG Bulletin
...; open circle = single occurrence; half-filled circle = 2–9 occurrences; filled circle = 10 or more occurrences. Note relatively high abundance...
2010
Integrated Multi-Disciplinary Approach to Predict Reservoir Performance: The Diyab Reservoir Abu Dhabi
Colleen Barton, Ghazal Izadi, John Tinnin, Santi Randazzo, Amir Ghadimipour, Yasmina Bouzida, Nicolas Leseur
Unconventional Resources Technology Conference (URTEC)
... of deep-shear wave imaging indicating an optimal frac zone at a distance of about 20 meters away from the wellbore (black dashed circle). Above...
2020
Enhancing Lithology Classification through a Deep Learning Framework
P. Zhang, T. Gao, R. Li
Unconventional Resources Technology Conference (URTEC)
... using X and Y coordinates. Each well is represented by a circle, with circle size proportional to the amount of available data for that well...
2025
Types of Oil and Gas Traps in Rocky Mountain Region
Alex W. McCoy III, Chairman , Robert L. Sielaff , George R. Downs , N. Wood Bass , John H. Maxson
AAPG Bulletin
... the following discussion and accompanying Figure 4 on the Circle Ridge field. The Circle Ridge oil field is in T. 6 and 7 N., R. 2-3 W., W.R.M., Fremont County...
1951
Natural Hydrocarbon Seeps: Toward Understanding a Complex Natural System
Victor T. Jones, III, Patrick H. Myers, William O. Neal
GCAGS Transactions
... a moving average for the individual gas concentration was calculated using a 50,000-foot-diameter circle by moving the circle 25,000 feet (50...
2015
Phormidium Hendersonii Howe: Identity And Significance of a Modern Stromatolite Building Microorganism
Stjepko Golubic, Jaap W. Focke
Journal of Sedimentary Research (SEPM)
... at Kingston and Montego Bay, Guadeloupe, Tobago, Panama. Outlined shaded circle: type locality, Cayo Jutias, Cuba. End_Page 752...
1978
Correlation of Mesozoic Formations of Utah
Wm. Lee Stokes , James A. Peterson , M. Dane Picard
AAPG Bulletin
... Survey (Stewart and Williams, 1954) demonstrates that the Shinarump of southeastern Utah disappears north of White Canyon and the Circle Cliffs...
1955
Recognition and Significance of Inherited Quartz Overgrowths in Quartz Arenites
Ivan D. Sanderson
Journal of Sedimentary Research (SEPM)
... passes through the sphere's center. In Figure 5B, the 20-degree circle from the eccentric stereonet is positioned to represent a plane dipping...
1984
Carbonate Debris Flows, Cow Head Group, Western Newfoundland
Richard N. Hiscott, Noel P. James
Journal of Sedimentary Research (SEPM)
... the bold circle is the intersection with the stereonet surface of a 95 percent cone of confidence about the mean of the fabric data. There is only one...
1985
Sedimentology of Fault-Scarp-Derived Colluvium from the 1983 Borah Peak Rupture, Central Idaho
James P. McCalpin , Witold Zuchiewicz, L. C. Allen Jones
Journal of Sedimentary Research (SEPM)
... clast axis orientations. For long axes, the ATD is perpendicular to the mean great circle defined by the greatest concentration of long axis points...
1993
Contouring by Machine: A User's Guide
Richard F. Walters
AAPG Bulletin
...; the radius of a circle which would enclose 10 points as an overall average is determined. The program then proceeds to evaluate grid points sequentially...
1969
Los Angeles Erosion Surface of Middle Cretaceous Age
A. O. Woodford , Craig Gander
AAPG Bulletin
... an example of complex structure in the Catalina Schist. Platt's units may be called nappes. They are shown schematically in Figure 4 (central circle...
1977
Use of Bed-Form Climb Models to Analyze Geometry and Preservation Potential of Clastic Facies and Erosional Surfaces
D. K. Larue , P. A. Martinez
AAPG Bulletin
... to depositional surface (circle a), then climbs at angle (^agr) demonstrating subcritical climb, and eroding cutbank facies composed of previously deposited...
1989