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The AAPG/Datapages Combined Publications Database
Showing 1,739 Results. Searched 200,756 documents.
Understanding the Natural Fracture System in the Ultra-deep Sandstone Reservoir Using High-Definition Oil-Based Microresistivity Image Logs, Case Study from Junggar Basin
Renzhong Gan, Hao Zhang, Jing Chen, Weidong Huang, Xu Zhang, Bo Liu, Tao Zhang, Wei Wang, Guo Wei, Adaobi Elekwachi, Gamal Sultan
Unconventional Resources Technology Conference (URTEC)
... images are totally opposite. On the other-hand, drilling induced fractures appear as symmetric lines 180° apart. They are bright/light on the resistivity...
2022
Petrology of Siliceous Rocks in the Mishash Formation (Negev, Israel)
Yehoshua Kolodny
Journal of Sedimentary Research (SEPM)
... Petrology, v. 35, p. 454-463. KRUSCH, P., 1911, Die Phosphatlagerstaetten bei Es-Salt im Ostjordanland. Zeitschr. f. prakt. Geologie, 19, p. 397-406...
1969
Optimizing Shale Infill Development with AI: Child Well Meta Models
Charles Connell, Kyle LaMotta, Nitin Chaudhary, Mickey Friedrich
Unconventional Resources Technology Conference (URTEC)
... a discreate prediction under static conditions. A related assumption is that fracs are symmetric along a vertical plane placed through the wellbore. As before...
2023
Late Paleozoic of the Tindouf Basin-North Africa
Victor V. Cavaroc, Guy Padgett, Daniel G. Stephens, William H. Kanes, Ahmed Boudda, Ian D. Woollen
Journal of Sedimentary Research (SEPM)
..., becoming thicker toward the top of the interval (up to 2 m). Current ripples with occasional transverse current or symmetric ripples, are the dominant...
1976
Deep-sea Fan Deposits in the Macigno Formation (Middle-upper Oligocene) of the Gordana Valley, Northern Apennines, Italy: REPLY
Guido Ghibaudo
Journal of Sedimentary Research (SEPM)
... trends in bed thickness; the others show either superposed thickening-upward cycles, symmetric cycles (see Ghibaudo, 1980, Fig. 7 for examp es...
1981
Log-Linear Models, Markov Chains and Cyclic Sedimentation
Timothy R. Carr
Journal of Sedimentary Research (SEPM)
... be interpreted as a symmetric cycle (ABCBA) that was truncated at various times. Hattori (1976) discusses the idealized symmetric cycle and the patterns...
1982
Numerical Simulation of Temperature Changes Caused by CO2 Injection in Geological Reservoirs
A. Kopp, A. Ebigbo, A. Bielinski, H. Class, R. Helmig
AAPG Special Volumes
.... Boundary and initial conditions for the radially symmetric domain.The model domain is radially symmetric and hence only one-tenth of the full domain...
2009
Stratigraphic Control of Petroleum in White Rim Sandstone (Permian) in and near Canyonlands National Park, Utah
D. L. Baars , W. R. Seager
AAPG Bulletin
... symmetric, parallel, and commonly very widely spaced between high crests (Fig. 12). Wavelengths range from 2 to 6 in., and the amplitude of the larger...
1970
Nomenclature for Sedimentary Rocks
Russell B. Travis
AAPG Bulletin
.... It is a symmetric division and indicates simply that the rock is named for the most abundant constituent. Conglomerate may be added by expanding the diagram...
1970
Pore-Space Reduction by Solution and Cementation
Gordon Rittenhouse
AAPG Bulletin
... GRAINS AND THEIR ASSOCIATED PORES Uniformly sized spheres--symmetric packing: Results have been calculated for uniformly sized spheres in cubic...
1971
Dielectric Anisotropy and Grain Orientation
A. M. Winkelmolen
AAPG Bulletin
... with DA Maximum End_Page 2154------------------------------ When such a symmetric grain long-axis arrangement is changed by a later influence...
1972
Paleozoic-Mesozoic Sedimentary Basin of Mekele Outlier, Northern Ethiopia
Michael Beyth
AAPG Bulletin
... of marl and a few chert beds. This facies is well bedded to laminated, and contains crossbedding and common symmetric ripple marks. The macrofauna...
1972
Geophysical Illusions of Continental Drift: A DISCUSSION
Robert S. Dietz , John C. Holden
AAPG Bulletin
... of plate boundary. If pla es are rigid, a transform fault, in order to conserve crust, necessarily must lie along a small circle of earth with respect...
1973
Very High Amplitude Seismic Anomaly in Georges Bank Trough, Atlantic Continental Margin
Robert C. Anderson, David J. Taylor
AAPG Bulletin
... energy. t has been demonstrated (Schoenberger, 1974) that a symmetric, broad-band wavelet provides the best seismic resolution. The goal...
1981
Oriented Core: Its Use, Error, and Uncertainty
R. A. Nelson , L. C. Lenox , B. J. Ward, Jr.
AAPG Bulletin
... by matching to the template. Some companies have attempted to standardize their knife pattern. One company tries to use a 72°-144°-144° symmetric pattern...
1987
Fundamentals of sequence stratigraphy
Wolfgang Schlager
Special Publications of SEPM
... of sediment input or sediment dispersal changed abruptly. Sealevel change commonly causes these shifts in input and dispersal because it reshuffles the sediment...
2005
Variation in wingless insect trace fossils: insights from neoichnology and the Pennsylvanian of Massachussetts
Patrick R. Getty, Robert Sproule, David L. Wagner, Andrew M. Bush
PALAIOS
... is opposite symmetry of the track series. Although many arthropods employ oppositely symmetric locomotion (e.g., Briggs and Rolfe, 1983), among...
2013
FOSSILIZATION MODEL FOR SQUAMASTROBUS TIGRENSIS FOLIAGE IN A VOLCANIC-ASH DEPOSIT: IMPLICATIONS FOR PRESERVATION AND TAPHONOMY (PODOCARPACEAE, LOWER CRETACEOUS, ARGENTINA)
MAITEN A. LAFUENTE DIAZ, JOSÉ A. D'ANGELO, GEORGINA M. DEL FUEYO, ERWIN L. ZODROW
PALAIOS
... hydrocarbons CH2 in long chain aliphatic compounds ([CH2]n, n ! 4) O–H stretch CH3–, CH2– antisymmetric stretch CH3–, CH2– symmetric stretch C¼O...
2018
Stratigraphy and Depositional History Within Incised-Paleovalley Fills and Related Facies, Douglas Group (Missourian/Virgilian; Upper Carboniferous) of Kansas, U.S.A.
Allen W. Archer, William P. Lanier, Howard R. Feldman
Special Publications of SEPM
... of other beds preserve linguoid ripples, double-crested, asymmetric sinuous-crested ripples, rare straight-crested symmetric ripples, and stick drag...
1994
Paleocene Strata of the Basque Country, Western Pyrenees, Northern Spain: Facies and Sequence Develepment in a Deep-Water Starved Basin
Victoriano Pujalte, Juan I. Baceta, Xabier Orue-Etxebarria, Aitor Payros
Special Publications of SEPM
... depositional sequences can in turn be subdivided into symmetric (i.e., DS-M/D, P1, P2 and P4) and asymmetric (i.e., DS-P3 and T/Y). Such a distinction initially...
1998
Development of Hydraulic Fracture Hits and Fracture Redirection Visualized for Consecutive Fracture Stages with Fast Time-stepped Linear Superposition Method (TLSM)
Tri Pham, Ruud Weijermars
Unconventional Resources Technology Conference (URTEC)
...) (Crouch and Starfield, 1983) (Zhang and Jeffrey, 2014) (Kumar and Ghassemi, 2016) (Wu and Olson, 2016) - - Symmetric Galerkin Boundary Element Method...
2020
Ripple Marks in Quartz Arenites of the Hurwitz Group, Northwest Territories, Canada: Evidence for Sedimentation in a Vast, Early Proterozoic, Shallow, Fresh-Water Lake
Lawrence B. Aspler , Jeffrey R. Chiarenzelli , Terry L. Bursey
Journal of Sedimentary Research (SEPM)
...-current origin can be ruled out because: (1) the vast majority of the ripples are symmetric ( 80% at the measured section); (2) of the ripples...
1994
Large-Scale Cycle Architecture in Continental Strata, Hornelen Basin (Devonian), Norway
Donna S. Anderson, Timothy A. Cross
Journal of Sedimentary Research (SEPM)
... are symmetric in all facies tracts. The symmetry of the large-scale cycles, in which the base-level rise and fall hemicycles of each cycle...
2001
Growth Patterns of Deep-Sea Fans
William R. Normark
AAPG Bulletin
... generally are not symmetric either in relief or in development of the terraces. Reflection profiles: The information from the 3.8-kHz reflection...
1970
Evolution of the Cretaceous Astrid thrust belt in the ultradeep-water Lower Congo Basin, Gabon
Martin P. A. Jackson, Michael R. Hudec, David C. Jennette, Richard E. Kilby
AAPG Bulletin
... by the updip limit of detectable shortening.Our study sheds new light on the kinematics of the sub-Oligocene thrust belt. A change from symmetric...
2008