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The AAPG/Datapages Combined Publications Database
Showing 4,237 Results. Searched 196,763 documents.
An Alternative Earth
Warren B. Hamilton
West Texas Geological Society
... expansivity at lower-mantle pressure requires that factors other than temperature (grain size, anisotropy, mineralogy including mixed-phase gradients...
2007
Summary of Depositional Environments, Paleogeography, and Structural Control on Sedimentation in the Late Jurassic (Oxfordian) Sundance Foreland Basin, Western Montana
James H. Meyers, Robert K. Schwartz
Rocky Mountain Section (SEPM)
... of sedimentation, and for assessing the role of basement anisotropy in basin evolution. Tectono-stratigraphic and tectono-geophysical models of foreland-basin...
1994
Non-Pacific Origin of the Central American land bridge: Structural, Geochronological and Paleomagnetic Studies at the Western and Northwestern Margin of the Caribbean Plate
Meschede, M. and Frisch, W.
Geological Society of Trinidad & Tobago
... was partly performed using the anisotropy of the magnetic susceptibility with the short axis of the obtained ellipsoid taken as the pole...
1995
Drilling Induced Petal Fractures in Coal Core: A Simple Method of Using These Features in Conjunction with Bore-Wall Breakout to Determine the Angular Relationship between Cleat and Maximum Horizontal Stress as Well as Cleat Azimuth in Vertical Drill-Holes
David Titheridge
Petroleum Exploration Society of Australia (PESA)
...). There is generally low anisotropy between major and minor horizontal magnitudes. In the Bowen Basin average face cleat orientations at 22 sites at km scale...
2012
Vertical-to-Lateral Transitions Among Cretaceous Carbonate Facies—A Means to 3-D Framework Construction Via Markov Analysis
Sam Purkis, Brigitte Vlaswinkel, Nuno Gracias
Journal of Sedimentary Research (SEPM)
... that enable creation of a multi-category simulation of spatial variability within a volume, while incorporating directional-dependencies (anisotropy...
2012
Structure of the McConnell Thrust Sheet in the Ghost River Area, Alberta
E. L. Fitzgerald
CSPG Bulletin
..., and because of the anisotropy of the strata involved due to bedding, making an angle with the maximum principal stress which would be less than...
1962
Characterising the Application of Horizontal Wells and Indirect Hydraulic Fracturing for Improved Coal Seam Gas Drainage
Raymond L. Johnson, Sharon Cheong, Andrew Farley
Australian Petroleum Production & Exploration Association (APPEA) Journal
... in the following sections. Understanding stress, permeability and anisotropy Acquiring pre-frac, onsite and diagnostic data are important in characterising...
2021
Pervasive Tight Gas Sandstone Reservoirs: An Overview
Lawrence D. Meckel, M. Ray Thomasson
Rocky Mountain Association of Geologists
... direction of anisotropy was observed. The azimuthal anisotropy analyses indicated potential sweet spots of more intense natural fracturing In the Austin...
2005
Evaluating Naturally Fractured Reservoirs Targeted for Horizontal Drilling
R.A. Skopec
Rocky Mountain Association of Geologists
... velocity anisotropy in sedimentary rocks: A laboratory study: Geophysics, v. 53, p. 800806. Siegfried, R. and G. Simmons, 1978, Characterization...
1992
Rate Transient Effects of Various Complex Fracture Network Topologies in Unconventional Gas Reservoirs: A Numerical Simulation Study
Jiamin Jiang, Rami M. Younis, Leslie Thompson, Zhe Liu
Unconventional Resources Technology Conference (URTEC)
... the anisotropy in matrix permeability, and the non-orthogonality of the unstructured triangular/tetrahedral grid. We examine the effects of the irregular fracture...
2015
The Piaui Basin: Rifting and Wrenching in an Equatorial Atlantic Transform Basin
Pedro V. Zalan, Eric P. Nelson, John E. Warme, Thomas L. Davis
Special Publications of SEPM
... that the 1984 faults high angle existing anisotropy within Although the time or times pre were This correlation controlled by the the continental...
1985
Crustal Structure and Evolution of an Explosive Silicic Volcanic System at Yellowstone National Park
Robert B. Smith, Lawrence W. Braile
Wyoming Geological Association
... bodies in a high velocity matrix that produces an apparent seismic anisotropy, i.e., refracted waves propogate at 6.8 km/sec, whereas the vertically...
1982
A Diagnostic Approach to Identify Complex Fracture Geometries in Unconventional Reservoirs Using a Semi-Analytical Model
Zhiming Chen, Xinwei Liao, Wei Yu, Kamy Sepehrnoori, Xiaoliang Zhao, Xiaojiang Li, He Sun
Unconventional Resources Technology Conference (URTEC)
... to the stress anisotropy, although sometimes it may be difficult to interpret from micro-seismic data (Warpinski et al., 2009). Figure 8a shows...
2017
A New Workflow for Improved Water Saturation Assessment in Organic-Rich Mudrocks Honoring Rock Fabric
Artur Posenato Garcia, Archana Jagadisan, Ameneh Rostami, Zoya Heidari
Unconventional Resources Technology Conference (URTEC)
...% and 29.7%, respectively. The high error associated with the Waxman-Smits model is due to significant anisotropy of the sample and also to the impact...
2017
The Impact of Natural Fracture Thickness on Hydraulic Fracture Interaction Mechanics
Weiwei Wang, Jon Olson, Maša Prodanović, Richard A. Schultz
Unconventional Resources Technology Conference (URTEC)
... information, in this study we use the stress ratio of overburden stress (1.06 psi/ft) to horizontal stress (0.82 psi/ft) as 1.29 for high anisotropy case...
2018
Mechanical Models of Triangle Zone Evolution
William R. Jamison
CSPG Bulletin
... ANISOTROPY Except for the designated fault surfaces, the finite-element models described here do not have any of the material (and mechanical) layering...
1996
Machine Learning Regressors and their Metrics to predict Synthetic Sonic and Brittle Zones
Ishank Gupta, Deepak Devegowda, Vikram Jayaram, Chandra Rai, Carl Sondergeld
Unconventional Resources Technology Conference (URTEC)
... of their increasing matrix heterogeneity, complex wettability, and anisotropy (Sondergeld et al. 2010a, Sondergeld et al. 2010b). The concepts related...
2019
Pervasive Tight-gas Sandstone Reservoirs: An Overview
Lawrence D. Meckel, M. Ray Thomasson
AAPG Special Volumes
... of anisotropy was observed. The azimuthal anisotropy analyses indicated potential sweet spots of more intense natural fracturing.In the Austin Chalk...
2008
Fracture Development in the Bakken Petroleum System, Antelope Field, Williston Basin
Stephen A. Sonnenberg
Wyoming Geological Association
... field associated with the thinly bedded Bakken interval; deviatoric stress reduction; and strong mechanical strength anisotropy of kerogen-rich shales...
2010
Water Imbibition and Oil Recovery in Shale: Dynamics and Mechanisms Using Integrated Cm-to-Nm-Scale Imaging
Sheng Peng, Jacob LaManna, Priyanka Periwal, Pavel Shevchenko
Unconventional Resources Technology Conference (URTEC)
.... References Bhandari, A. R., Flemings, P. B., Polito, P., & Bryant, S. L. (2015). Anisotropy and stress dependence of permeability in the Barnett Shale...
2022
Chapter 8: Cementation in Mudrocks: Brief Review with Examples from Cratonic Basin Mudrocks
Kitty L. Milliken, Ruarri J. Day-Stirrat
AAPG Special Volumes
.... Aplin, S. Hillier, and B. A. van der Pluijm, 2010a, Diagenesis, phyllosilicate anisotropy, and physical properties in two fine-grained slope fan...
2013
Compaction in Unconventional Carbonate Reservoir Rocks and Its Effect on Well Completions and Hydraulic Fracturing
Roberto Suarez-Rivera, Evan Kias, John Degenhardt, Angelica Rios Alvarez, Rabah Mesdour, Shannon Eichmann, Anuj Gupta
Unconventional Resources Technology Conference (URTEC)
... and elastic trends where the Young’s modulus, Poisson’s ratio, elastic anisotropy, and compressive strength are constant when subjected to varying confining...
2023
Chapter 18: The Role of Megaregional Seismic Data in Santos Basin Pre-Salt Exploration and Development
J. A. Deckelman, S. Chi, A. K. Hartwig, K. R. Reuber, J. Fruehn
AAPG Special Volumes
.... Anisotropy from fourth-order residual move-out picking was then introduced. This approach ensures that vertical and lateral lithologic changes...
2021
Clay-Rich Tuscaloosa Marine Shale: Production Decline Analysis
Xu Yang, Cristina Mariana Ruse, Philip B. Wortman, Mehdi Mokhtari, Boyun Guo
Unconventional Resources Technology Conference (URTEC)
... and confirmed elastic anisotropy presence. Moreover, in well #16, the TMS is divided into an upper non-resistive interval and a lower zone with high...
2024
Fabric of Coarse Deep-water Sandstones Tourelle Formation, Quebec, Canada
Richard N. Hiscott, Gerard V. Middleton
Journal of Sedimentary Research (SEPM)
... measurements in cross-stratification studies: Jour. Sed. Petrology, v. 27, p. 313-321. REES, A. I., 1965, The use of anisotropy of magnetic susceptibility...
1980