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The AAPG/Datapages Combined Publications Database

Showing 1,739 Results. Searched 200,619 documents.

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Ascending

Volumetric Partitioning and Facies Differentiation within the Permian Upper San Andres Formation of Last Chance Canyon, Guadalupe Mountains, New Mexico: Chapter 17

Mark D. Sonnenfeld, Timothy A. Cross

AAPG Special Volumes

..., "parasequences" and "PACs"), to less frequently documented symmetric transgressive and regressive cycles in slope settings, to asymmetric transgressive...

1993

Salt Tectonics and its Effect on Sediment Structure and Gas Hydrate Occurrence in the Northwestern Gulf of Mexico from 2D Multichannel Seismic Data

Dan'l Lewis, William Sager

GCAGS Journal

... diapirism. Rowan (1995) subdivided passive salt structures into asymmetric and symmetric salt styles and suggested that the difference between passive...

2012

Inferring Fluvial Morphodynamics and Overbank Flow Control From 3D Outcrop Sections of a Pleistocene Point Bar, Dandiero Basin, Eritrea

Massimiliano Ghinassi, Paolo Billi, Yosief Libsekal, Mauro Papini, Lorenzo Rook

Journal of Sedimentary Research (SEPM)

...). The symmetric geometry suggests an increase of bar radius, with the upstream and downstream side of the bar growing alike (Fig. 15B, stage 2...

2013

Geology of the Lower Ordovician Rocks of the Choctaw Anticlinorium, Southeastern Oklahoma

Joseph F. Dunagan Jr.

Oklahoma City Geological Society

... in dealing with some of the features encountered in the Choctaw Anticlinorium. This model involves formation of open symmetric buckle folds in Bigfork...

1982

Skew Normal Distribution Deconvolution of Grain-size Distribution and Its Application To 530 Samples from Lake Bosumtwi, Ghana

Stoney Q. Gan, Christopher A. Scholz

Journal of Sedimentary Research (SEPM)

..., but its symmetric property makes it incapable of describing the distribution skewness that is commonly seen in the GSD of clastic sediments. This study...

2017

Fault Segmentation and Linkage: Examples from the Hurricane Fault, Southwestern U.S.A.

Wanda J. Taylor, Meg E. Stewart, Richard L. Orndorff

Pacific Section of AAPG

... a displacement – distance profile with a different shape. Linked underlapping faults display a symmetric displacement pattern with a relatively sharp change...

2001

Structural and Stratigraphic Evolution of the East Java Sea, Indonesia

P. J. E. Bransden, S. J. Matthews

Indonesian Petroleum Association

... the uplift is broadly symmetric, and is interpreted to be a function of movement reversal on the Sakala and Sepanjang Faults (cross-sections A and B...

1992

Microseismic-Derived Ultimate Expected Fracture Half-Length in Unconventional Stimulated Reservoir Volume in a Multi-Fractured Horizontal 8 Well Full Pad„Canadian Horn River Basin Case Study

Claudio Virues, Jessica Budge, Eric Von Lunen

Unconventional Resources Technology Conference (URTEC)

... used to describe the patterns in a histogram in this paper are symmetric or unimodal and asymmetric or bimodal. Unimodal histograms have one mode (see...

2015

Stratigraphy and Facies Analysis of the Eastern Uinta Mountain Group, Utah-Colorado Border Region

Laura D. De Grey, Carol M. Dehler

Utah Geological Association

... (table 2; figure 11; De Grey, 2005; Dehler and others, in press). Sedimentary structures include planar-tabular thin beds and laminae, symmetric ripples...

2005

Fracture Characterization and Flow Profiling with Distributed Temperature Sensing

He Sun, Wei Yu, Kamy Sepehrnoori

Unconventional Resources Technology Conference (URTEC)

...n the created fracture cells and surrounding matrix cells. Thermal EDFM has the following assumption: • Pressure gradient is symmetric to the fractur...

2020

Numerical Modeling of Hydraulic Fracture Propagation and Fault Activation in the Presence of a Sealing Fault and Highly Permeable Damage Zone - A Case Study of the Montney Formation in British Columbia

Zahra Esmaeilzadeh, David Eaton, Chaoyi Wang

Unconventional Resources Technology Conference (URTEC)

... both stages are complete in the two wells the resulting HF geometry resembles a symmetric bi-wing hydraulic fracture, leading to predicted stimulated...

2022

3-D Analog Modeling of Inversion Thrust Structures

Yasuhiro Yamada, Ken McClay

AAPG Special Volumes

... a slightly curved trace (Figure 12d). At the end of inversion, the model consisted of a broad, nearly symmetric, hanging-wall anticlinal uplift bounded...

2004

Regional Neogene Salt Tectonics in the Offshore Salina del Istmo Basin, Southeastern Mexico

Pedro T. Gomez-Cabrera, Martin P. A. Jackson

AAPG Special Volumes

... or equivalent salt weld. Figure 2 shows the location of the seismic section.The keystone fault family comprises symmetric faults resulting from outer...

2009

Tidal Deposition in the Basal Upper Cambrian Mt. Simon Formation in Wisconsin

Steven G. Driese, Charles W. Byers, Robert H. Dott, Jr.

Journal of Sedimentary Research (SEPM)

... subsets superimposed upon the major foreset laminations. Both straight and sinuous-crested, asymmetric and symmetric ripple marks with amplitudes...

1981

Development of Middle Continental Shelf Sand Ridges: New Jersey

W. L. Stubblefield , D. G. Kersey , D. W. McGrail

AAPG Bulletin

... of similar bed forms, but in deeper water, Butman et al (1979) observed asymmetric and symmetric ripples forming during a winter storm. However...

1983

Fold-accommodation faults

Shankar Mitra

AAPG Bulletin

... limb of an asymmetric fold or along the hinge of symmetric folds. Wedge thrusts are primarily formed in competent units be cause of variations...

2002

A three-dimensional kinematic model for the deformation above an active diapir

Hongwei Yin, Richard H. Groshong Jr.

AAPG Bulletin

... strain with constant volume.Figure 7. Fault geometry in the model having three radially symmetric master normal faults. (a) Before deformation. (b...

2007

Damage and plastic deformation of reservoir rocks: Part 2. Propagation of a hydraulic fracture

Seth Busetti, Kyran Mish, Peter Hennings, Ze'ev Reches

AAPG Bulletin

... in Figures 4B and C and 5. At the onset of dilation, two symmetric, least compressive stress lobes form at the tip of the initial fracture (not shown...

2012

Hydrocarbon accumulation in strike-slip fault restraining bends: New insights into the tectonic controls on the Penglai 19-3 and Penglai 25-6 oil fields, Tan-Lu fault zone, east China

Lei Huang, Chi-yang Liu, Ying-bin Wang, Yong-an Xue, and Jun-feng Zhao

AAPG Bulletin

... and symmetric, whereas at the northern and southern extremities the structure is narrow and has the appearance of an asymmetric flower structure (compare seismic...

2016

Testing Laramide Hypotheses for the Colorado Front Range Arch Using Minor Faults

Eric A. Erslev, Scott M. Larson

Rocky Mountain Association of Geologists

..., the faults’ consistency along strike, and their associated shortening structures. Alternatively, Prucha et al., (1965) and Jacob (1983) used symmetric...

2006

Chapter 3: Preparation of Seismic Data for Stratigraphic Work

Tom Wittick

North Texas Geological Society

.... On the other hand, the vibroseis seismic source creates a zero-phase wavelet in the data. A zero-phase wavelet is symmetric about its origin and is also...

1992

Challenging the Established Truths

Laurent Gernigon, Odleiv Olesen, Continental Shelf Geophysics team NGU

GEO ExPro Magazine

... Scale Beginning in the 1950’s, geophysicists recognised linear magnetic anomalies across the ocean floor. The discovery of symmetric magnetic...

2007

RESERVOIR ATTRIBUTES RELATED TO BASE LEVEL CYCLICITY AND DIAGENESIS IN THE WINNIPEG GROUP, NORTH DAKOTA

ROBERT J. VINOPAL, DWAINE H. EDINGTON

Williston Basin Symposium

... and Ice Box formations. Intermediate-scale cycles are approximately 18 to 23 m (60 to 75 ft) thick and also appear to be symmetric in terms...

1998

Seismic speckle as multiplicative noise explaining land reflections distorted by near-surface scattering

Andrey Bakulin, Dmitry Neklyudov, Ilya Silvestrov

International Meeting for Applied Geoscience and Energy (IMAGE)

... distributions computed using an ensemble of 500 traces. First, phase perturbations appear symmetric with expected values close to zero. Second...

2022

Innovative disorder seismic attribute for reservoir characterization

Qiang Fu, Saleh Al-Dossary

International Meeting for Applied Geoscience and Energy (IMAGE)

... size for 3D disorder filter). A general 3x3x3 3D filter has 27 coefficients and using the symmetric property mentioned above, only four unique coef...

2022

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