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The AAPG/Datapages Combined Publications Database
Showing 715 Results. Searched 201,044 documents.
The Rise and Fall of Eustasy
Christopher G. St. C. Kendall, Ian Lerche
Special Publications of SEPM
... fill to sea level. shelf break, and the most basinward position of the sediment wedge through time. The sinusoidal shape of these curves...
1988
Fracture Systems of Mars
E. L. Harp
Utah Geological Association
...). The boundary between these two terraines is roughly sinusoidal on a Mercator projection. At 320°W, it extends as far north as 45°, and at 100°W, it is a re...
1974
High-Field (400 MHz) T2 Measurements Using a Custom-Built NMR Probe, Eagle Ford Shale, Gonzales and La Salle Counties, Texas
Bryan McDowell, Azra N. Tutuncu, Yuan Yang
Unconventional Resources Technology Conference (URTEC)
...-decaying, sinusoidal signal called a free induction decay (FID). Nuclei eventually dephase completely, resulting in a net zero magnetization along the x-y...
2018
Hemispheric Asymmetry of the Marine Stratigraphic Record: Conceptual Proof of a Unipolar Ice Cap
Martin A. Perlmutter, Roy E. Plotnick
Special Publications of SEPM
... generated by using a sinusoidal depositional rate that was controlled by a cyclic function, such as climate, having a threshold such that deposition...
2003
Sedimentology Of Prealpine Flysch Sequences, Switzerland
John F. Hubert
Journal of Sedimentary Research (SEPM)
..., and between mean size and skewness, contain a portion of the sinusoidal trends commonly observed in terrigenous sediments from continental and marine...
1967
Natural Fractures on the Pinedale Anticline as Seen in Cores and on Image Logs
Mark Longman, Erika Davis, Randy J. Koepsell
AAPG Special Volumes
... crosses). Fractures, which are marked on the dynamic color image at right with black sinusoidal lines, are defined as resistive (cemented...
2014
A Comprehensive Simulation Study of Hydraulic Fracturing Test Site 2 (HFTS-2): Part I - Modeling Pressure Dependent and Time Dependent Fracture Conductivity in Fully Calibrated Fracture and Reservoir Models
Han (Jake) Li, Jichao Han, Jiasen Tan, Matt Jones, Yu Zhao, Soodabeh Esmaili, Fadila Bessa, Vinay Sahni, Sriram Pudugramam, Shunhua Liu, Qian Li, James Kessler
Unconventional Resources Technology Conference (URTEC)
... of fracture sets were characterized from the image log analysis: conductive fractures, mixed fractures characterized by an incomplete sinusoidal trace...
2023
Transactions: Gulf Coast Association of Geological Societies; 2018 Front Matter
James J. Willis, Norman C. Rosen
GCAGS Transactions
... a deviated well (track 1) drilled using oil-base mud, a sinusoidal 2D view of a high resolution large coverage image (track 2), a full image...
2018
Isotopic Composition of Displacive Fibrous Calcite Veins: Reversals In Pore-water Composition Trends During Burial Diagenesis
James D. Marshall
Journal of Sedimentary Research (SEPM)
... sinusoidal curvature and increased fiber thickness away from it. There are no major fabric discontinuities, but staining again reveals Fe(II) banding which...
1982
Analysis of Spatial Order in Sandstones II: Grain Clusters, Packing Flaws, and the Small-Scale Structure of Sandstones
Christopher M. Prince, Robert Ehrlich, Yannick Anguy
Journal of Sedimentary Research (SEPM)
... a series of 2-D sinusoidal wave forms (harmonics) to the image. The periodicity of each wave form is given by 2-D "wave number" (x, y) and the resulting...
1995
Evaluation of Eustasy, Subsidence, and Sediment Input as Controls on Depositional Sequence Geometries and the Synchroneity of Sequence Boundaries: Chapter 13: Recent Developments in Siliciclastic Sequence Stratigraphy
David T. Lawrence
AAPG Special Volumes
... in a subsiding basin with variable sediment supply (same as case 3) and sinusoidal sea level curve (same as case 2). Time lines (1-9) are labeled at 1-m.y...
1993
Little Sand Draw Field, Big Horn Basin, Wyoming: A Hybrid Dual-Porosity and Single-Porosity Reservoir in the Phosphoria Formation (1)
T. R. GARFIELD , N. F. HURLEY , and D. A. BUDD
AAPG Bulletin
... by fitting a sinusoidal wave through high-conductivity FMS traces. FMS logs were run in two Little Sand Draw wells (31 Nelson and 32 Nelson). Normalized...
1992
Sequence Stratigraphic Analysis of Individual Depositional Successions: Effects of Marine/Nonmarine Sediment Partitioning and Longitudinal Sediment Transport, Mannville Group, Alberta Foreland Basin, Canada
Douglas J. Cant
AAPG Bulletin
... curves; all sinusoidal models are entirely assumptions, and small-scale reversals are no less likely than a smooth curve. This analysis...
1995
Hydrodynamic stagnation zones: A new play concept for the Llanos Basin, Colombia
Mark Person, David Butler, Carl W. Gable, Tomas Villamil, David Wavrek, Daniel Schelling
AAPG Bulletin
... the location of the Rubiales oil field, Llanos Basin.Figure 5. Conceptual model illustrating hydrodynamic stagnation zone play concept. A simple sinusoidal...
2012
Quantitative assessment of karst pore volume in carbonate reservoirs
Fermín Fernández-Ibáñez, Paul J. Moore, and Gareth D. Jones
AAPG Bulletin
... can significantly increase confidence in cave identification and cave fill. Furthermore, the sinusoidal shape of natural fractures in image logs can...
2019
Sedimentology, diagenesis, and reservoir characterization of the Permian White Rim Sandstone, southern Utah: Implications for carbon capture and sequestration potential
David Wheatley, Spencer Hollingworth, Peter Steele, and Marjorie Chan
AAPG Bulletin
... millimeter-scale sinusoidal laminae, with each lamination eroding portions of the previous one (i.e., subaqueous, current-ripple laminations). Figure 3...
2020
Study on microscale mechanical properties of minerals and organic matter in shale based on atomic force microscopy
Zhuo Gong, Shangbin Chen, Hubert Ishimwe, Shaojie Zhang, Jamil Khan, Yang Wang, and Xiong Sun
AAPG Bulletin
..., a scanner-cantilever-probe system powered by a sinusoidal voltage moves toward and away from the sample at various spots on the scanned surface, and the probe...
2024
Stratigraphy, Depositional Environments, and Reservoir Characteristics of the Tussy (Desmoinesian) Sandstones, Southeast Joiner City Field, Love and Carter Counties, Oklahoma, #20317 (2015).
Jeffrey M. Cook
Search and Discovery.com
.... Recognizable on the dynamic or Horiz7 images. Dip meter typically shows “random” tadpoles. F3 Highly resistive (white to orange) with sinusoidal pattern...
2015
Paleoenvironments and Paleoecology of a Lower Triassic Invertebrate and Vertebrate Ichnoassemblage from the Red Peak Formation (Chugwater Group), Central Wyoming
David M. Lovelace, Stephen D. Lovelace
PALAIOS
... fine-grained sandstone beds that sometimes feature small lacertoid vertebrate tracks (Fig. 6F). The trails vary from slightly sinusoidal to irregular...
2012
Guide to Coastal Outcrops of the Monterey Formation of Western Santa Barbara County, California
John B. Dunham
Pacific Section SEPM
.... Rotation of these cubes, one relative to another results in the formation of relatively short-wavelength sinusoidal folds (Fig. 33). The block rotation...
1987
Structure and Function of a Coupled Two-Dimensional Diagenetic and Sedimentological Model of Carbonate Platform Evolution
Fiona Whitaker, Peter Smart, Yvette Hague, David Waltham, Daniel Bosence
Special Publications of SEPM
... and subsidence Relative sea level may be entered as linear rises and falls stillstands or cyclic sinusoidal changes with definable amplitude periodicity...
1999
Geomechanical Wellbore Imaging: Key to Managing the Asset Life Cycle
Colleen Barton, Daniel Moos
AAPG Special Volumes
... for larger aperture natural fractures) are not visible as complete sinusoidal traces. The fracture aperture, the borehole azimuth angle subtended...
2010
Petroleum System Logic as an Exploration Tool in a Frontier Setting: Chapter 2: Part I. Introduction
John T. Smith
AAPG Special Volumes
... and paludal conditions. Under these conditions, each sandstone is expected to have a relatively narrow width and to follow a sinusoidal path providing many...
1994
Early Triassic Aggradational and Degradational Landscapes of the Karoo Basin and Evidence for Climate Oscillation Following the P–Tr Event
Daniel W. Pace, Robert A. Gastaldo, Johann Neveling
Journal of Sedimentary Research (SEPM)
.... Burrows average 1–2 cm in diameter and decimeter scale in length when partially exposed. They are inclined (Fig. 10B), sinusoidal in geometry, and may...
2009
Tidal Modeling of an Ancient Tide-Dominated Seaway, Part 1: Model Validation and Application to Global Early Cretaceous (Aptian) Tides
Martin R. Wells, Peter A. Allison, Matthew D. Piggott, Gary J. Hampson, Christopher C. Pain, Gerard J. Gorman
Journal of Sedimentary Research (SEPM)
... a “flat” (in this case sinusoidal) map projection leads to large distortions in shape and/or area, especially away from the chosen central meridian. D) ICOM...
2010