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The AAPG/Datapages Combined Publications Database
Showing 43,758 Results. Searched 200,293 documents.
Structural Inheritance for the Laramide, Central Montana Uplift: A Wrench-Fault Tectonic Model Related to Proterozoic Orogenesis in the Foreland of the North American Cordillera; #30676 (2021)
Jeffrey Bader
Search and Discovery.com
... of this deformed region have received little attention relative to Laramide tectonism and Precambrian basement interrelations, particularly within...
2021
Heterogeneous Joint and Fault Systems in the Navajo Sandstone, Southwestern Utah, and Their Influence on Permeability
Hugh A. Hurlow
Four Corners Geological Society
... and vertical contraction at the margin of the extensional orogen, Mormon Mountains area, Nevada and Utah: U. S. Geological Survey Bulletin 2011, 43 p...
1999
Azimuthal Variations in Reflection Seismic Data: Measurements Governed by the In-Situ Horizontal Stress Field and/or Vertical Aligned Fractures
Heloise B. Lynn, Walter S. Lynn
West Texas Geological Society
... on their relative azimuths. The effect of the fractures and / or unequal horizontal stresses on the seismic signal depends on the relative scale length...
2006
Observations of Intrinsic Anisotropy in Varied Geologic Settings, #40562 (2010)
Lori A. Hathon, Michael T. Myers
Search and Discovery.com
... & Production Importance of Understanding the origins of Intrinsic Acoustic Anisotropy •Assess the relative importance of vertical effective stress...
2010
Seismic Geomorphology Applied to Lower Glen Rose Patch Reefs in the Maverick Basin, Southwest Texas
Enzo S. Aconcha, Charles Kerans, and Hongliu Zeng
GCAGS Transactions
... deposition to the north and elongated reefs to the south of the seismic area. The position of the top-sequence 6 boundary relative...
2008
Roundness and Shape of Marine Gravels from Urk (Netherlands), a Comparison of Several Methods of Investigation
TJ. H. van Andel, A. J. Wiggers, G. Maarleveld
Journal of Sedimentary Research (SEPM)
... of the former Zuyderzee has made accessible a large area of predominantly fine grained marine sediments. Only in a few places coarse sands and gravels occur...
1954
The Kinematics of Extension and Inversion in the Malay Basin, Offshore Peninsular Malaysia
Mazlan B. Hj. Madon
Geological Society of Malaysia (GSM)
... Pagodas Fault, which extends from onshore Thailand to the Natuna area (the Malay-Natuna-Lupar Shear of Daines, 1985). Other strike-slip faults are also...
1997
Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data
Scott Singleton, Mark Suda
GCAGS Transactions
..., the algorithm inverts for the shape of the ellipse and the orientation with respect to geographic north. The long axis of the ellipse is the Vfast direction...
2012
Stratigraphic and Structural Relations of the Birdbear Formation (Devonian) Western North Dakota, #11282 (2019).
Jeffrey W. Bader,
Search and Discovery.com
...2 #12249 #15412 a’ le Cyc ) part #4 ( Zone B (part) -Dip Up Watford City a 3 le # Cyc Dickinson 2 le # Cyc A’ Study Area ? ? d war le...
2019
Quartz Grain Orientations--1 (The Photometric Method)
R. F. Sippel
Journal of Sedimentary Research (SEPM)
... by the following relations. Defining R = |arctan (Ay/Ax)| v = (y - x) then the inclination of the major axis of the ellipse is given by = arctan [(tan 2R)(cos v...
1971
4.2 Wrench Fault Tectonics: Divergent Wrench Fault and Negative Flower Structure, Andaman Sea
T. P. Harding
AAPG Special Volumes
... relative positions of Andaman Sea profiles 1 and 2, main Tertiary structures that occur in their vicinity, and strain ellipse for right-slip deformation...
1983
Better Than a Porosity Cutoff: The Rock-Fabric Approach to Understanding Porosity and Permeability in the Lower Clear Fork and Wichita Reservoirs, Fullerton Field, West Texas
Rebecca H. Jones, F. Jerry Lucia, Stephen C. Ruppel, Jeffrey A. Kane
West Texas Geological Society
... for permeability variation in the mixed limestone and dolostone reservoir at Fullerton Field, we employed the rock-fabric approach in an initial study area...
2003
The Challenge of Applying New Technologies to Exploration in a Sub Andean Basins
Marcelo Benabentos, Pedro Muñoz, Juan Uribe, Francisco Ortigosa, Dewi Jones
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... appropriate illumination at target level. It has been shown that long offset data does contribute to illuminate in the shadow zones (red ellipse...
2009
The Impact of Pore Geometry and Microporosity on Velocity-Porosity Relationship in Carbonates of Central Luconia, Sarawak; #41030 (2012)
Nor Sara Izzatti Bashah and Bernard Pierson
Search and Discovery.com
...: dominant size (DOMsize), perimeter over area (PoA), gamma (γ), and aspect ratio (AR). PoA and DOMsize, in words, tortuosity of the pore system and the pore...
2012
Structure and Tectonics of the Central New Hebrides Arc
H. Gary Greene, Alexander Macfarlane, David P. Johnson, Anthony J. Crawford
Circum Pacific Council Publications
... and paleogeographic maps that are integrated with the strain ellipse of Wilcox, Harding, and Seely (1973), and to determine changes in the stress field through time...
1988
State of the Art Logging Selection to Explore Tight, Low Contrast, Hidden Reservoirs
Anton Setyo Kristanto,Tino Diharja, Rinaldi Sudarwoto, Hengky Ng, Leonora Ludwina Lilasari, Defri W. Widiyanto, Rio Putra
Indonesian Petroleum Association
... area packer of advanced WFT was deployed to measure formation pressures, determine fluid types and contacts, and obtain fluid samples in low...
2018
Surface Seismic Monitoring of Hydraulic Fracturing Activity in Pennsylvania and West Virginia
Abhash Kumar, Erich Zorn, Richard Hammack, William Harbert
Unconventional Resources Technology Conference (URTEC)
... and location of the majority of the impulsive events does not favor any causal relationship with the hydraulic fracturing in the study area...
2016
Kinematic, Chemical, and Petrological Development of Protomylonite Within the Scove Canyon Segment of the Cuyamaca-Laguna Mountains Shear Zone, Peninsular Ranges, Southern California
Shane M. Howell, Corrin S. Gallarano, Gary H. Girty
Pacific Section SEPM
... of the Scove Canyon segment, a small area of the shear zone underlain entirely by the -118 Ma Pine Valley granodiorite was mapped and sampled for thin...
1997
Character and Setting of Sand and Gravel Bed Forms on the Open Continental Shelf Off Western Canada
J. L. Luternauer
CSPG Special Publications
.... In an area off northwest Vancouver Island south of where these features were identified, Collins and Bornhold (1984) identified clusters of what were...
1986
A Fundamental Structural Pattern in Disposition of Mineral and Energy Resources
E. S. T. O'Driscoll
AAPG Special Volumes
... these, in 1970, W. Johnson and R. Horwitz compiled regional magnetic plots of the area, which clearly revealed the association between major ore deposits...
1981
Application of Photo-electric Cell to the Measurement of Pebble Axes for Orientation Analysis
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... on the photocell window. An amplifying unit and milliammeter record the relative area of the shadow. As the pebble is rotated about the vertical axis...
1939
The influence of benthic diatoms on the textures of carbonate-coated grains from a fluvial tufa spring in northern California
Hannah P. Boelts, Yadira Ibarra, Clive Hayzelden
Journal of Sedimentary Research (SEPM)
...) of a best-fit ellipse for each pore was quantified using the ImageJ software. The percent porosity was determined by dividing the total pore area (μm2...
2020
Sequence Stratigraphy and Facies Analysis of Muara Enim Formation to Predict Prospecting Area in TAC Pertamina Pilona Petro Tanjung Lontar
Bily Angraini, Togi Yonathan S.
Indonesian Petroleum Association
...Sequence Stratigraphy and Facies Analysis of Muara Enim Formation to Predict Prospecting Area in TAC Pertamina Pilona Petro Tanjung Lontar Bily...
2011
Fast Shear Azimuths in the Marcellus Shale from VSP and Crossed Dipole Sonic Data; #42161 (2017)
Steve Horne, David Rampton, John Crowe
Search and Discovery.com
... a sliding window for all the sources generating seismic attributes as a function of azimuth and time relative to the first break. These observed data...
2017
Geostatistical Methods
Mike Shepherd
AAPG Special Volumes
... can be readily measured.The relative abundance of the various lithofacies within a reservoir interval will vary both vertically and areally. Vertical...
2009