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The AAPG/Datapages Combined Publications Database
Showing 18,049 Results. Searched 195,452 documents.
Application of Amplitude, Frequency, and Other Attributes to Stratigraphic and Hydrocarbon Determination: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
M. T. Taner, R. E. Sheriff
AAPG Special Volumes
... by recording and processing. If the magnitude of the reflection strength maximum is displayed in relation to the phase at the time of the maximum, polarity...
1977
Definition and Hydrocarbon Potential of the Late Devonian Three Forks Formation, Williston Basin, South Dakota; #51105 (2015)
Tesfalidet G. Kassa and Richard J. Behl
Search and Discovery.com
... physical characteristics. Previous studies have measured an order-of-magnitude lower permeability in opal-CT compared with quartz phase porcelanites...
2015
Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
Robert E. Sheriff
AAPG Special Volumes
... is interpreting primary reflection energy, interpretational ambiguities remain, many of which stem from the magnitude of seismic wavelength. Physical...
1977
A High Resolution Seismic Stratigraphy Study, Central Sumatra Basin Indonesia
Untung Suryanto, W. A. Wycherly
Indonesian Petroleum Association
... to upgrade various elements of the recording system encouraged a second phase of evaluation of these improved recording parameters in a producing field...
1984
Wave-Dominated Shelves: A Model of Sand-Ridge Formation by Progressive, Infragravity Waves
B. Boczar-Karakiewicz, J. L. Bona
CSPG Special Publications
... sand is found, whereas finer sediment occupies the shoreward slopes. Thus, we may think of the grain size distribution as being π/2 out of phase...
1986
Using anisotropic rock physics to model VTI parameters
Marco A. Perez
International Meeting for Applied Geoscience and Energy (IMAGE)
... the two models used, the inclusion model can account for a broader spectrum of measured velocities and anisotropies. Method The aim is to assess...
2023
High-Resolution Three-Dimensional Characterization of Pore Networks in Shale Reservoir Rocks
Soheil Saraji, Mohammad Piri
Unconventional Resources Technology Conference (URTEC)
...]. Pores within shale rocks are orders of magnitude smaller (nanometer scale) than pores within conventional carbonate and sandstone reservoirs...
2014
Seismic Reflection Imaging with Active Sources and Microseismic Events Recorded on Horizontal DAS Cables
David Langton, Dan Kahn, Brian Fuller
Unconventional Resources Technology Conference (URTEC)
... provide opportunities to record orders of magnitude more borehole seismic data than has been economically feasible with traditional 3-component borehole...
2019
Late Pleistocene Tidal Rhythmites in Kyunggi Bay, West Coast of Korea: A Comparison with Simulated Rhythmites Based on Modern Tides and Implications for Intertidal Positioning
Kyung Sik Choi , Baeck Oon Kim , Yong Ahn Park
Journal of Sedimentary Research (SEPM)
... larger during high tide than during low tide. A phase flip, which is manifested by the disappearance of semimonthly inequality of spring tides, occurs...
2001
The unusual occurrence of adipocere spheres on the hypersaline lacustrine shoreline, Salton Sea, California
Thomas A. Betts, Elizabeth A. Heness, Zachary A. Semian, Margariete G. Malenda, Edward L. Simpson, Kurt C. Friehauf
PALAIOS
... of the spheres was spread directly on the diamond crystal with a spatula. Each infrared spectrum was based on eight co-added scans obtained from 4000 to 600 cm21...
2014
Acoustic Log Measurements in the Lower Eagle Ford Formation in Brazos and Robertson Counties, Texas and Their Implications on Completion Design
Richard Reischman, Scott Brooks, Trevor Willms, Tony L. Albrecht, John J. Walsh, Edgar Arteaga
Unconventional Resources Technology Conference (URTEC)
...’ average of the computed stress gradient. The red white and blue color spectrum illustrates the localized minor variations in stress from low (red...
2015
Textural, Elemental, and Isotopic Characteristics of Pleistocene Phreatic Cave Deposits (Jabal Madar, Oman)
Adrian Immenhauser, Yuri V. Dublyansky, Klaas Verwer, Dominik Fleitman, Serguei E. Pashenko
Journal of Sedimentary Research (SEPM)
... of the cavity systems are indicated (CS). B) Portions of the exhumed cavity floor and sidewalls. Phase-I through Phase-IV calcites are indicated. HR...
2007
4 Multiscale Imaging of Shale Samples in the Scanning Electron Microscope
Herman Lemmens, Dennis Richards
AAPG Special Volumes
... to obtain the elemental composition of the phase under the electron beam (Gottlieb et al., 2000). Coupled with a library of mineral phases, automated...
2013
Quantitative Mineralogical Analysis of Carbonate Sediments: Comparison of X-ray Diffraction and Electron Probe Microanalyzer Methods: NOTES
Jon N. Weber
Journal of Sedimentary Research (SEPM)
... of high-magnesium calcite to low-magnesium calcite can be obtained by X-ray diffraction only by very slow scanning of the spectrum and partial...
1968
Enabling Easy Access to Analogs for Carbonate Deposition in Early Rift Settings; #50640 (2012)
Paul M. (Mitch) Harris, James Ellis, and Sam J. Purkis
Search and Discovery.com
..., and other supplemental information for each example. The analog examples show a spectrum of sizes, shapes, and styles of deposition for lacustrine...
2012
Occurrence of Fracture-Hosted Impsonite and Petroleum Fluid Inclusions, Quebec City Region, Canada (1)
JEFFREY R. LEVINE , IAIN M. SAMSON , and REINHARD HESSE
AAPG Bulletin
... occasionally contain a reddish brown translucent solid (bitumen?), a colorless birefringent solid (paraffin?), and may also include an aqueous phase. Two...
1991
Delineation of the Reservoir by Seismic Methods: Chapter 3
Roberto Sarmiento
AAPG Special Volumes
... inverse, while the phase spectrum is added to its negative. The transform of the new spectra produces a zero phase compressed wavelet. Fig. 1...
1989
Scaling the Response of Deltas To Relative-Sea-Level Cycles By Autogenic Space and Time Scales: A Laboratory Study
Lizhu Yu, Qi Li,, Kyle M. Straub
Journal of Sedimentary Research (SEPM)
... systems and has been studied extensively for decades. However, we still lack a quantitative framework to define how the magnitude and period of a RSL...
2017
Evaluation and Insights from Instantaneous Shut-in Pressures
Nicolas Roussel, Herbert Swan, Jon Snyder, Dung Nguyen, David Cramer, Annie Ouk
Unconventional Resources Technology Conference (URTEC)
... in radians per time, and q is its phase in radians. The parameter b is the magnitude of the exponential pressure decay; a is its decay factor, and c...
2021
Testing Periodicity of Depositional Cyclicity, Cisco Group (Virgilian and Wolfcampian), Texas
Wan Yang , Michelle A. Kominz
Journal of Sedimentary Research (SEPM)
.... THOMSON, D.J., 1982, Spectrum estimation and harmonic analysis: Institute of Electrical and Electronics Engineers, Proceedings, v. 70, p. 1055-1096...
1999
Migration and Segregation of Oil and Gas
S. R. Silverman
AAPG Special Volumes
.... Petroleum Geologists Bull., v. 46, no. 12, p. 2246-2248. Eilerts, C.K., and others, 1957, Phase relations of gas-condensate fluids, v. I, Test results...
1965
Automatic Analysis of Tracer Sand
P. G. Teleki
Journal of Sedimentary Research (SEPM)
... in the ultraviolet region of the spectrum are excited and transmit part or all the energy in the visible portion of the spectrum (fig. 1...
1967
Stable Carbon and Oxygen Isotope Evidence of Cretaceous Sea-Level Fluctuations Recorded in Septarian Concretions from Pueblo, Colorado, U.S.A.
Mario Coniglio , Paul Myrow , Tim White
Journal of Sedimentary Research (SEPM)
... for more than one phase. Stable isotopes of carbon and oxygen were analyzed at the Environmental Isotope Laboratory at the University of Waterloo. Sample...
2000
An Ion Microprobe Study of Diagenetic Carbonates in the Devonian Nisku Formation of Alberta, Canada
Lee R. Riciputi , Hans G. Machel , David R. Cole
Journal of Sedimentary Research (SEPM)
..., 1985), and Watts (1987). This study focuses mainly on early diagenesis (Stages 1 and 2; up to Phase 9; Fig. 2), and focuses exclusively on carbonates...
1994
Reducing Ambiguity in Source Rock Analyses
Son T. Dang, Carl H. Sondergeld, Chandra S. Rai
Unconventional Resources Technology Conference (URTEC)
.... Parameters such as S1, S2, Tmax, etc. are interpreted from a pyrogram, a Flame Ionization Detector (FID) spectrum. These signals correspond to gases...
2016