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The AAPG/Datapages Combined Publications Database
Showing 714 Results. Searched 200,357 documents.
Abstract: Geostatistical Determination of Sand-Body Geometry in the Paskapoo Formation; #90172 (2014)
Steve Lyster, Laurence Andriashek
Search and Discovery.com
... data but by varying the channel width, sinuosity, and structure (sinusoidal, meandering, etc.) it is possible to produce a number of conceptual...
2014
Abstract: Investigating Physical Mechanisms of Seismic Anelasticity; #90174 (2014)
T. Coulman and Igor Morozov
Search and Discovery.com
... and the other being a known elastic standard (Figure 1). A torsional or axial sinusoidal force is applied to the standard and through it, to the rock sample...
2014
Immature Aquatic Dipteran Impressions Preserved in Tufa: Eocene Fossil Lake, Wyoming
V. Leroy Leggitt, Mark A. Loewen
Rocky Mountain Association of Geologists
...: Dubuque, Iowa, Kendall/Hunt Publishing Company, p. 515–548. Metz, R., 1987, Sinusoidal trail formed by a Recent biting midge (family Ceratopogonidae); trace...
2007
A Predictive Model of Reservoir Continuity in Fluvial Sandstone Bodies of a Lacustrine Deltaic System, Colton Formation, Utah
Thomas H. Morris, Dean R. Richmond
Utah Geological Association
... of Colton exposures and are characterized as follows: meandering to sinusoidal fluvial systems, abundant multilateral accretion sets, and low sandstone...
1992
Fracture Characterization in Contrasting Platform Carbonate Facies, Muak Lek and Chumphae Areas, Central-Northeast Thailand
Rahmat Utomo, John Warren, Winarno Susanto
Indonesian Petroleum Association
... as a microresistivity contrast that comprise the sinusoidal line in FMI. On the other hand, the constructed FMI of a Chumphae pseudowell does not show...
2011
Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays
Michael J. Perz, William Keller, Victor Kriechbaum
Unconventional Resources Technology Conference (URTEC)
... variation as evidenced by the pronounced “sinusoidal wobble” at far offsets; moreover, inspection of the underlying noise models (i.e., which were...
2018
Characterizing Hydraulic Fractures Using the Transient Pressure Surge Effect
Yuesu Jin, Yingcai Zheng, Lianjie Huang, Christine Ehlig-Economides
Unconventional Resources Technology Conference (URTEC)
...) a new low-frequency source that can emit sinusoidal waves in 12 – 70Hz; (2) a fracture model constructed using two plexiglass blocks stacked on each...
2022
Parameterizing and Block-Averaging Electrical Characteristics of a Reservoir: an Essential part of Electrical/Electromagnetic Evaluation of Production Process: Reservoir Characterization and Modeling
A. J. Mansure
AAPG Special Volumes
... cases are considered for I, one where the magnitude of the current is sinusoidal (plane wave or PW case) and one where there is a step function ( case...
1991
Recognition of Faults, Unconformities, and Sequence Boundaries Using Cumulative Dip Plots
Neil F. Hurley
AAPG Bulletin
... and bedding-plane orientations are determined by fitting a sinusoidal wave through high-conductivity FMS traces. The computer then calculates true dip and dip...
1994
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)
... of sedimentary and structural features. The basis of determining dip and strike of planar inclined bedding and faults, is the sinusoidal trace of the feature...
2012
Controls on Coal Distribution in Transgressive-Regressive Cycles, Upper Cretaceous, Western Interior, U.S.A
Timothy A. Cross
Special Publications of SEPM
... by sinusoidal sea-level oscillations superimposed on a constant rate of tectonic subsidence; disharmonic variations in either sea level or tectonic...
1988
Water and Sediment in the Norris Glacier Outwash Area, Upper Taku Inlet, Southeastern Alaska
Roger M. Slatt, Charles M. Hoskin
Journal of Sedimentary Research (SEPM)
... a distinct sinusoidal relationship in which minima (best sorting) corresponded to modal classes and maxima (poorest sorting) corresponded to equal...
1968
Numerical Modeling of Tides in the Late Pennsylvanian Midcontinent Seaway of North America with Implications for Hydrography and Sedimentation
Martin R. Wells, Peter A. Allison, Matthew D. Piggott, Gerard J. Gorman, Gary J. Hampson, Christopher C. Pain, Fangxin Fang
Journal of Sedimentary Research (SEPM)
... water body and allowed to spin up for 100 hours. The tidal range field was then set to zero and recalculated from the now in-motion tidal bulge (Wells et...
2007
SPATIAL AND TEMPORAL SIGNIFICANCE OF PROCESS ICHNOLOGY DATA FROM SILTY-MUDSTONE BEDS OF INCLINED HETEROLITHIC STRATIFICATION, LOWER CRETACEOUS MCMURRAY FORMATION, NE ALBERTA, CANADA
ERIC R. TIMMER, MURRAY K. GINGRAS, JOHN-PAUL ZONNEVELD
PALAIOS
... beds (Fig. 4) The SDI curve appears to contain a sinusoidal component. Arenicolites, Cylindrichnus, Gyrolithes, Planolites, and Skolithos are present...
2016
Oxygen isotope composition of bivalve seasonal growth increments and ambient water in the rivers Rhine and Meuse
Emma A. A. Versteegh, Simon R. Troelstra, Hubert B. Vonhof, Dick Kroon
PALAIOS
.... The seasonal shell d18O records show truncated sinusoidal patterns with narrow peaks and wide troughs, caused by temperature fractionation and winter growth...
2009
Diagnostic Applications of Borehole Hydraulic Signal Processing
Connor J. Clark, Jennifer L. Miskimins, Dana L. Gallegos
Unconventional Resources Technology Conference (URTEC)
... pressure amplitudes. High amplitude water hammer pressure waves are often easily recognized on treating pressure charts by their sinusoidal appearance...
2018
Two-Dimensional Synthetic Seismic and Log Cross Sections from Stratigraphic Forward Models
Mark W. Shuster , Tom Aigner
AAPG Bulletin
... clastic input and sinusoidal fourth-order and third-order sea level variations, (2) a detailed simulation of one third-order carbonate depositional...
1994
Episodic Global Tectonics: Sequence Stratigraphy Meets Plate Tectonics
Ashton Embry
GEO ExPro Magazine
... surface) stratigraphically well above the unconformity. Such a difference is likely due to their use of a non-actualistic sinusoidal base level curve...
2006
Investigation of a Gravity High — Offshore Newfoundland
A. P. Le Bis
CSPG Special Publications
.... In the frequency domain (Fourier transform), if the deflection of the plate is z for a sinusoidal load of amplitude hpg and spatial angular frequency w...
1975
Deep Water Sands and Silts on the Nova Scotian Continental Margin
Dorrik A. V. Stow
Atlantic Geology
.... 7a). A sinusoidal relationship is apparent for all samples (Folk and Ward 1957). These results are similar to those obtained by Horn et al (1971...
1976
Application of high-resolution reflection seismology to eastern Kansas cyclothems
Ralph W. Knapp
Kansas Geological Society
... are easily illustrated. For instance, if we have a single frequency (minimum bandwidth possible), the wavelet is monochromatic, a pure sinusoidal function...
1989
Borehole Imaging in the Permian Basin
Lee Sanders, Kevan Fuchs
West Texas Geological Society
... shows natural fractures present in the interval of X62 to X80 (Figure 7). Sinusoidal traces of the fractures indicate that the fractures strike...
2003
Azimuthal AVO Gradient Anisotropic Analysis on Prediction of Fractures on Barnett Shale
Shiguang Guo, Bo Zhang, Tengfei Lin, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... of a good sinusoidal fit (a) and bad one (b) by using four samples (after Zhang et al. 2011). Rueger’s (1996) equation for AVAz can be written as R...
2013
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study
Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang
Unconventional Resources Technology Conference (URTEC)
... computed 3D volumes of “fracture” orientation and relative magnitude by scanning all gathers for this sinusoidal azimuthal signature. So-called “HTI...
2013
Designing alternative 3D seismic surveys for reduced environmental footprints using the seismic trace density parameter
Mostafa Naghizadeh, Andrea Crook, Alyson Birce, Stephanie Ross
International Meeting for Applied Geoscience and Energy (IMAGE)
...-type (zigzag or sinusoidal) geometries can lead to fewer seismic cutlines compared to the conventional orthogonal surveys and hence can substantially...
2023