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The AAPG/Datapages Combined Publications Database
Showing 1,906 Results. Searched 200,636 documents.
Environmental Geochemistry and Sediment Quality in Lake Pontchartrain: Database Development and Review
Frank T. Manheim , George C. Flowers , Andrew G. McIntire , Marcie Marot , Charles Holmes
GCAGS Transactions
... waterways. The data meet well-documented standards, and include a large tail of materials well within uncontaminated ranges. These data serve...
1997
Using Bayesian Leave-One-Out and Leave-Future-Out Cross- Validation to Evaluate the Performance of Rate-Time Models to Forecast Production of Tight-Oil Wells
Leopoldo M. Ruiz Maraggi, Larry W. Lake, Mark P. Walsh
Unconventional Resources Technology Conference (URTEC)
... 1 ππ’π‘ = β π A = . . π(πA |π¦) π(πA |π¦) πYπ¦. |πA Z πYπ¦. |πA Z (A.5) The distribution of π A might have a large right ta...
2021
Hydraulic Factors Controlling the Shape of Laminae in Laboratory Deltas
Alan V. Jopling
Journal of Sedimentary Research (SEPM)
... simulates the dumping of a pile of sand on the tail-end of the wedge--it breaks the continuity of the profile and results in an angular basal contact...
1965
Oil Exploration Analysis of Recent Carbonate Facies
Hugh J. Mitchell-Tapping
GCAGS Transactions
... tidal channel sediments tend to be finely skewed because of the tail of very-fine sand that remains in the channels of this lower energy environment...
1998
Data to Decision: A Unified and Rapid Workflow for Unconventional Reservoirs Blending Data Analytics, Physics-Based Completion Optimization, and Investor-Oriented Economics
George Voneiff, Peter Bastian
Unconventional Resources Technology Conference (URTEC)
... or down. The zero-time curve EUR is multiplied by the EUR scaling factor and the exponential tail decline rate is adjusted until the zero-time curve EUR...
2021
Accelerating Development Optimization in the Bakken Using an Integrated Fracture Diagnostic Pilot
Yueming Liang, Holger Meier, Karthik Srinivasan, Hussain Tahir, Alberto Ortega, Kelvin Amalokwu, James Friedrich, Joy Okpala, Kendal Decker, Matthew Brown, Tim Benish, Haylee Crozier, Peeyush Bhargava, Prasad Sumant, James Reavis
Unconventional Resources Technology Conference (URTEC)
... volume being lost to the Lodgepole. To accommodate the same proppant loading with reduced fluid, High Viscosity Friction Reducers and some Linear gel tail...
2022
Natural Fractures on the Pinedale Anticline as Seen in Cores and on Image Logs
Mark Longman, Erika Davis, Randy J. Koepsell
AAPG Special Volumes
... be identified on image logs, but none are present in the Mesa Unit 11-16 well. The βtailβ on each of these tadpoles, which are plotted to show the dip...
2014
Petrology of Gartra Formation (Triassic), Uinta Mountain Area, Utah and Colorado
C. D. McCormick, M. Dane Picard
Journal of Sedimentary Research (SEPM)
...). The anterior end of a vertebra from the last third of the tail of a reptile was found with the phytosaur remains. Langston suspects that it belonged...
1969
Length-slow Chalcedony: A New Testament for Vanished Evaporites
Robert L. Folk, J. Stuart Pittman
Journal of Sedimentary Research (SEPM)
... the ermian of north Bohemia (1953, p. 15), describes radial chalcedony spherulites replacing swallow-tail crystals of former gypsum, and his photos (Tab. 2...
1971
Distribution, Composition and Characteristics of the Surficial Sediments of Lake Ontario
R. L. Thomas, A. L. W. Kemp, C. F. M. Lewis
Journal of Sedimentary Research (SEPM)
... grain size distribution. Starting at point A (fig. 12), the sand end member population is markedly leptokurtic and positively skewed with a tail...
1972
Evaluation of a Conceptual Model for the Transverse Sediment Transport System of a Coastal Barrier Chain, Middle Atlantic Bight
Gerald L. Shideler
Journal of Sedimentary Research (SEPM)
... to either the addition or truncation of sub-populations within the tail sections of frequency distributions. Central tendency--The comparative...
1973
Mounded Structures of Injected Sandstones in Deep-marine Paleocene Reservoirs, Cecilie Field, Denmark
L. Hamberg, A.-M. Jepsen, N. Ter Borch, G. Dam, M. K. Engkilde, J. B. Svendsen
AAPG Special Volumes
... basinal area over the Tail End Graben across the Norwegian-Danish Basin (Figure 1). The canyon fill consists of Paleocene to early Eocene, deep-marine...
2007
Depositional Environment of the St. Peter Sandstone Deduced by Textural Analysis
E. J. Amaral, W. A. Pryor
Journal of Sedimentary Research (SEPM)
... clays in pore spaces will distort the fine tail part of the distributions, as will clays formed by the replacement of feldspars. The presence...
1977
Lessons Learned from a Shale Gas Hallmark Well in the Eagle Ford Formation: The Case of the Well Emergente-1, the First Shale Gas Well in Mexico
Sergio PΓ©rez RodrΓguez
GCAGS Transactions
... the tail of the borehole during the late stage of the drilling. A fair deduction of the comments above is that the sedimentary facies of the Lower Eagle Ford...
2019
Deep-Sea Fan Deposits in the Macigno Formation (Middle-Upper Oligocene) of the Gordana Valley, Northern Apennines, Italy
Guido Ghibaudo
Journal of Sedimentary Research (SEPM)
..., primarily coarse-tail grading, and faint, crude parallel laminae may be present in this lower interval. The sandstone:shale ratio of these deposits...
1980
Carbonate Sedimentation And Diagenesis Associated With Mg-Ca-Chloride Brines: The Permian San Andres Formation in the Texas Panhandle
Amos Bein , Lynton S. Land
Journal of Sedimentary Research (SEPM)
... in the dolomites grouped together. Assuming that the mean Na/Cl ratio of the samples at the right tail (circled in Fig. 7) of each stratigraphic interval...
1983
Glaciomarine Sedimentation in the Gowganda Formation (Huronian), Northern Ontario
Andrew D. Miall
Journal of Sedimentary Research (SEPM)
... common and suggests a waning traction current or the dilute tail end of a turbidity current. As the sand laminae became intermixed with progressively more...
1983
Submarine Hydrothermal Weathering, Global Eustasy, and Carbonate Polymorphism in Phanerozoic Marine Oolites
Bruce H. Wilkinson, Robert M. Owen, Alan R. Carroll
Journal of Sedimentary Research (SEPM)
... to as elephantine (connected trunk-to-tail) or spastolithic (deformed) grains which exhibit variable degrees of postdepositional deformation. These forms arise...
1985
Thrust-Generated Fan-Delta Deposition: Little Muddy Creek Conglomerate, SW Wyoming
David A. Pivnik
Journal of Sedimentary Research (SEPM)
... is undifferentiated). Map modified from Royse and Warner 1987. Cross-section modified from Lamerson 1982, plate 8. C. D tail of outcrop area showing measured...
1990
Dolomitization and Dolomite Neomorphism in the Back Reef Facies of the Bonneterre and Davis Formations (Cambrian), Southeastern Missouri
Jay M. Gregg, Kevin L. Shelton
Journal of Sedimentary Research (SEPM)
...)3]/[ (X - x)2Β·
1990
Fluid Inclusions in Bedded Permian Halite, Palo Duro Basin, Texas: Evidence for Modification of Seawater in Evaporite Brine-Pools and Subsequent Early Diagenesis
Amos Bein , S. D. Hovorka, R. S. Fisher, Edwin Roedder
Journal of Sedimentary Research (SEPM)
... pseudomorphs of "swallow-tail" gypsum, shallow-water to subaerial halites, and mud flat and eolian siliciclastic red beds (Fracasso and Hovorka 1986...
1991
Middle Miocene Gypsum, Gulf of Suez: Marine or Nonmarine?
Osama E. Attia , Tim K. Lowenstein , Ashraf M.A. Wali
Journal of Sedimentary Research (SEPM)
... oriented, gypsum swallow-tail twin viewed along {010} cleavage plane. Note the linear twin junction and crystal growth bands. Scale divisions are 1 cm...
1995
Reconstruction of Preglacial Topography Using a Postglacial Flooding Surface: Upper Paleozoic Deposits, Central Transantarctic Mountains, Antarctica
John L. Isbell, Greg A. Gelhar, Gina M. Seegers
Journal of Sedimentary Research (SEPM)
... at the base of diamictites, crag-and-tail-like structures, chatter marks, gouge marks, and oriented bullet-shaped clasts. Directions from cross-beds...
1997
Mudstone-Clastiform Conglomerates and Trough-Shaped Depressions from the Pennsylvanian Lower Port Hood Formation of Eastern Canada: Occurrences Due to Soft-Sediment Deformation
Dave G. Keighley , Ron K. Pickerill
Journal of Sedimentary Research (SEPM)
... the concave slope). However, at the tail and sides of a slump, the fold axes of deformed "clasts" may lie perpendicular to the strike of the slope...
1998
Cyclothems of the Black Warrior Basin, Alabama, U.S.A.: Eustatic Snapshots of Foreland Basin Tectonism
J. C. Pashin and R. A. Gastaldo, Jack C. Pashin
AAPG Special Volumes
... processes. In other words, using the Lamar composite to estimate cycle duration and subsidence rate is analogous to making a tail wag its dog.Having...
2004