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The AAPG/Datapages Combined Publications Database
Showing 714 Results. Searched 200,626 documents.
Geomechanical wellbore imaging: Implications for reservoir fracture permeability
Colleen Barton, Daniel Moos, Kazuhiko Tezuka
AAPG Bulletin
...) are not visible as complete sinusoidal traces. Fracture aperture, the borehole azimuth angle subtended that is in tension, and the imaging tool...
2009
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
Building a three-dimensional near-surface geologic and petrophysical model based on borehole data: A case study from Chemery, Paris Basin, France
Paola Sala, Marcel Frehner, Nicola Tisato, O. Adrian Pfiffner
AAPG Bulletin
... of compressional waves in rocks to 10 kilobars: Part 1: Journal of Geophysical Research, v. 65, p. 10831102, doi:10.1029/JZ065i004p01083.BRGM, 2010...
2013
Precambrian basement reservoirs: Case study from the northern Bongor Basin, the Republic of Chad
Lirong Dou, Jingchun Wang, Renchong Wang, Xiaodong Wei, and Chandramani Shrivastava
AAPG Bulletin
..., compared with the unleached and nonfractured basement rocks. Also, the fractures help split the shear waves into fast and slow, and the anisotropy analysis...
2018
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
A Dominant Tectonic Signal in High-Frequency, Peritidal Carbonate Cycles? A Regional Analysis of Liassic Platforms from Western Tethys
Dan Bosence, Emily Procter, Marc Aurell, Atef Bel Kahla, Marcelle Boudagher-Fadel, Francesca Casaglia, Simonetta Cirilli, Mohammed Mehdie, Luis Nieto, Javier Rey, Rudolph Scherreiks, Mohamed Soussi, David Waltham
Journal of Sedimentary Research (SEPM)
... spacing on the x axis, leading to the longer-period waves seen at higher bundle numbers (for discussion see text). In summary, the quantitative...
2009
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
Utah Geological Association 1991 Field Symposium Road Log; Geology of East-Central Utah
Paul B. Anderson, Rodger C. Fry
Utah Geological Association
... lack well developed point bar sequences and probably were not very sinusoidal. The sandstone percentage in this outcrop is greater than 45 percent...
1991
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
A new turbidite facies-tract scheme including supercritical and transitional sand–mud flows: an outcrop perspective from Mediterranean-type foreland basins
Roberto Tinterri
Journal of Sedimentary Research (SEPM)
..., D.R., 2011, A comparative study of sediment waves and cyclic steps based on geometries, internal structures and numerical modeling: Marine Geology, v...
2025
Albion-Scipio And Stoney Point Fields-U.S.A., Michigan Basin
N. F. Hurley, R. Budros
AAPG Special Volumes
... problem is that secondary porosity, a dominant reservoir component, is not detected by P-waves. Recent articles suggest that improved acquisition...
1990
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
Incised Valleys on an Eocene Coastal Plain and Shelf, SpitsbergenPart of a Linked Shelf Slope System
Piret Plink-Björklund, Ron Steel
Special Publications of SEPM
... (5–10°) inclined or sinusoidal beds, 1–5 cm thick (Fig. 11C). The individual sinusoidal beds consist of sandstone–mudstone couplets. The sandstone...
2006
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
The Transition Between Sheet-Like Lobe and Basin-Plain Turbidites in the Hecho Basin (South-Central Pyrenees, Spain)
Eduard Remacha, Luis P. Fernandez, Eudald Maestro
Journal of Sedimentary Research (SEPM)
..., the profile of velocity vs. time during the passage of a train of solitary waves has a sinusoidal form with stepwise reversals and a mean shear velocity...
2005
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
Seismite in the Devonian Sultan Formation, Frenchman Mountain, Nevada: Evidence of far-field effect of the Alamo Event
Jesús A. Pinto, John E. Warme
Rocky Mountain Association of Geologists
... of heat and seismic waves (Melosh, 1989). Violent earthquakes are expected to result from the propagation of the seismic shocks across the shelf areas...
2016
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
Depositional Environments and Sediment Characteristics of the Colville and Adjacent Deltas, Northern Arctic Alaska
A.S. Naidu, T.C. Mowatt
Houston Geological Society
... and the sediment types on the coastal beach are the result of an interplay of ice-stress conditions, erosion-deposition effected by normal waves...
1975
Quantitative Modeling of the Evolution and Geometry of Incised Valleys
John Martin, Alessandro Cantelli, Chris Paola, Michael Blum, Matthew Wolinsky
Journal of Sedimentary Research (SEPM)
... and 105 yr, sinusoidal base-level fall between 101 and 102 m, and uniform subsidence between 10−4 and 10−3 m/yr (Swenson et al. 2000). The diffusion...
2011
Holocene Oolitic Marine Sand Complexes of the Bahamas
Eugene C. Rankey, Stacy Lynn Reeder
Journal of Sedimentary Research (SEPM)
... interactions of winds, waves, and tides (Smith 1995; Reeder and Rankey 2008; Rankey and Reeder 2010). The Bahamian archipelago is located in the trade-wind belt...
2011