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The AAPG/Datapages Combined Publications Database

Showing 3,961 Results. Searched 201,044 documents.

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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

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