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The AAPG/Datapages Combined Publications Database
Showing 97,835 Results. Searched 200,619 documents.
Mechanical Stratigraphic and Tectonic Controls on Natural Fracturing in the Eagle Ford Formation, South-Central and West Texas
David A. Ferrill, Ronald N. McGinnis, Alan P. Morris, Kevin J. Smart, Kirk D. H. Gulliver, Dan Lehrmann, Mark A. Evans
GCAGS Transactions
..., two sets of systematic opening-mode extension fractures (joints and veins) are present including (1) a dominant northwest-striking, often calcite...
2017
Multigroup Discrimination of River, Beach, and Dune Sands Using Roundness Statistics
Basanta K. Sahu
Journal of Sedimentary Research (SEPM)
... of W-1A) are not necessarily orthogonal. We also simultaneously obtain the maximized ratio of the two quadratic forms V AV to V WV as 2 which is desired...
1982
The Boundary Member: A Buried Erosional Remnant of Triassic Age in Northeastern British Columbia
K. J. Roy
CSPG Bulletin
... the two sets of data. The thickness of the Boundary Member above the C1 Stromatolite, as determined from core and from GRS logs, was compared for 68...
1972
Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition
Jiahang Li, Hitoshi Mikada, Junichi Takekawa
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The difficulty of inverting the 2004 BP model is the significant velocity variations, the salt body, and the two deep salt columns. The model size is 17.9 km long...
2023
New Insights into the Structural Development of the Onshore Otway Basin
A. N. Aburas, P. J. Boult
Petroleum Exploration Society of Australia (PESA)
... gravity data and alternating NE and SW dipping fault sets at the top Pretty Hill Formation horizon interpreted from seismic (Figure 5). Melbourne, Vic, 25...
2001
Diagnostic Characters of Fluviatile Sediments of the Torridonian Formation (Precambrian) of Northwest Scotland
R. C. Selley
Journal of Sedimentary Research (SEPM)
... The rocks of the Basal facies are exposed principally in two areas, one along the east side of Caolas Fladday, and another forming the outlier at Torran...
1965
Abstract: Integrated Analysis for Fracture Identification During Hydraulic Fracturing; #90224 (2015)
Alice Guest, Estelle Rebel, Sean M. Bailly, Jelena Kostadinovic
Search and Discovery.com
... in two major trends, E-W and NE-SW. The microseismicity in the NE-SW trend is aligned with the maximum horizontal stress and is related...
2015
Analysis of wastewater injection and prospect regions for induced seismicity in the Texas panhandle, United States
Juan P. Acevedo, Casee R. Lemons, Michael H. Young, Guin McDaid, and Bridget R. Scanlon
AAPG Bulletin
...-to-date data available. We then subsetted injection and production volumes into a 2018-only data set. The two data sets of injection and production (2016...
2022
Bottomset Architecture Formed In the Troughs of Dunes and Unit Bars
Christopher M. Herbert, Jan Alexander
Journal of Sedimentary Research (SEPM)
... direction in eight cross-stratified sets measured over the exposure. Only the bottom two planar cross-stratified sets have bottomsets (Fig. 19A, B...
2018
Damage Model for Reservoir with Multisets of Natural Fractures and Its Application in Hydraulic Fracturing Simulation, #41893 (2016).
Xinpu Shen
Search and Discovery.com
... fracturing of a zipper frac of two horizontal wells in a tight sand oil formation. Results and Conclusions: Three sets of natural fractures were...
2016
Deformation of Eocene Synorogenic Conglomerate in the Footwall of the Clear Creek ~hrbst Fault, Bighorn Mountains, Wyoming
Richard G. Hot, Kenneth D. Ridgway
Rocky Mountain Association of Geologists
... Union Formation; Mz = Mesozoic strata; Pz = Paleozoic strata; pC = Precambrian basement, Orthogonal lines represent township and range lines. After...
1998
Model Design
Michael D. Wilson, Alan P. Byrnes
Special Publications of SEPM
... (7.6°/o/km, 2.3%/l,000 ft) than that for muddy sandstones and sandy mudstones (10.1%/km, 3.3°/o/l,000 ft). Merging of the two data sets will produce...
1994
A practical guide to the use of success versus failure statistics in the estimation of prospect risk
Frank J. Peel, and John R. V. Brooks
AAPG Bulletin
... numbers, typical of exploration data sets, which include both successes and failures. The results, presented as a simple look-up table, show...
2016
Sedimentation Pattern of a Rift-filling Unit, Tesuque Formation (Miocene), Espanola Basin, Rio Grande Rift, New Mexico
William Cavazza
Journal of Sedimentary Research (SEPM)
... part of the Tesuque Formation. Note two superposed solitary sets of asymmetrical ripples. Paleocurrent direction from left to right. Pencil is 13 cm...
1989
Tectonic Evolution Models for the Black Sea
Aral. I. Okay, Naci Grr
AAPG Special Volumes
... of two large subbasins separated by the northwestsoutheast-trending mid-Black Sea ridge (Figure 1). The west Black Sea basin is floored by oceanic crust...
2007
Fault-seal Analysis Applied to the Erawan Gas-condensate Field in the Gulf of Thailand
Tokio Kachi, Hideki Yamada, Kiyoshi Yasuhara, Masamichi Fujimoto, Shutaro Hasegawa, Shoji Iwanaga, Rasoul Sorkhabi
AAPG Special Volumes
... sedimentary section of the Pattani Basin; they are numbered 15 (Figure 3) from the oldest to the youngest. Within the sedimentary section, two periods...
2005
A Simpler Kinetic Model of Vitrinite Reflectance
Noriyuki Suzuki , Hideki Matsubayashi , Douglas W. Waples
AAPG Bulletin
..., we also include in Figure 4 the predictions using EASY%Ro. There are several possible explanations for the discrepancy between the two sets of free...
1993
Natural Fractures in the Niobrara Formation, Boulder to Lyons, Colorado
Michael D. Collins, Stephen A. Sonnenberg
Rocky Mountain Association of Geologists
... attitude of 14/071. Separated calcite-filled walls are evidence for reactivation of previously induced shear fractures. Two main joint sets were...
2014
Morphology of the Casper Mountain uplift and related, subsidiary structures, central Wyoming: Implications for Laramide kinematics, dynamics, and crustal inheritance
Donald S. Stone
AAPG Bulletin
..., T., and P. Geiser, 1980, On the use of regional joint sets as trajectories of paleostress fields during development of the Appalachian Plateau, New...
2002
Analysis of Water-Level Rise Effects on Littoral Transport
C. R. Berquist , W. F Tanner
GCAGS Transactions
... is primarily applicable to large lakes where long-term changes in water level may be as much as one or two meters. The change in potential erosion is expressed...
1974
Wilmington Fan: Mid-Atlantic Lower Rise Development
Mark W. Ayers, William J. Cleary
Journal of Sedimentary Research (SEPM)
... of 3200 meters. Further upslope (2600 m), the Wilmington and Baltimore canyons coalesce. The two sets of canyons converge within the study area...
1980
Staggered source acquisition to improve images fidelity
Chunming Wang, Hongwei Guo, Gengxin Peng, Ying Hu, Junru Jiao, Bin Yang, Kun Xu, Grace Yan, Xianhuai Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... two adjacent templates which leads to smaller distance between shot lines with same total number of shots for a survey. The proposed layout has been...
2022
INCORPORATING TAPHONOMY INTO COMMUNITY-BASED PALEOENVIRONMENTAL RECONSTRUCTIONS: CAN DIATOM PRESERVATION DISCRIMINATE AMONG SHALLOW LAKE SUB-ENVIRONMENTS?
GABRIELA S. HASSAN, LUCIANA A. ROJAS, CLAUDIO G. DE FRANCESCO
PALAIOS
... of the whole assemblages was evaluated under 10003 magnification using 300 diatom valves per sample. Two taphonomic variables: (1) degree of fragmentation...
2018
Abstracts: The Reflectivity Response of Multiple Fractures and its Implications for Azimuthal AVO Inversion; #90173 (2015)
Olivia Collet, Benjamin Roure, Jon Downton
Search and Discovery.com
..., in order to gain understanding of the effect of fractures on the elastic properties of rock, we modelled two-layered media containing multiple sets...
2015
Growth Rates of Beach Ridges on Sanibel Island, Florida
Thomas M. Missimer
GCAGS Transactions
... a land area of about 18 square miles and has a convex shore facing seaward. At least seven distinct sets of beach ridges exist on Sanibel Island...
1973