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The AAPG/Datapages Combined Publications Database
Showing 18,764 Results. Searched 200,357 documents.
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
Data processing workflow for reflections from cement-formation interface in ultrasonic pitch-catch measurement in cased hole
Shaopeng Shi, Hua Wang, Meng Li, Aihua Tao
International Meeting for Applied Geoscience and Energy (IMAGE)
...). The amplitude difference between weak TIE and maximum mode would reach to 2-4 orders of magnitude. It is not easy to find clear TIE arrival at some...
2022
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
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
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
Seismic Hazard Evaluation of the Magna Tailings Impoundment
Ivan Wong, Susan Olig, Robert Green, Yoshi Moriwaki, Norm Abrahamson, Dale Baures, Walter Silva, Paul Somerville, Dick Davidson, Joergen Pilz, Bob Dunne
Utah Geological Association
... magnitude events at close distances. Each time history was modified to be compatible with the design MCE spectrum using a time domain method...
1995
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
Application of Quotient Normalization Technique To Minimize Errors In Diffuse Spectral Reflectance Data Collected Under Various Conditions
Emmanuel C. Nwaodua, Joseph D. Ortiz
Journal of Sedimentary Research (SEPM)
... different groups of spectra relative to a reference spectrum. The quotient normalization method was developed by Dieterle et al. (2006) for use...
2014
3D ultra high resolution seismic processing A case study from offshore USA
Bertrand Caselitz, Luca Limonta, Julien Oukili, Jonas Tegnander, Vicky Catterall
International Meeting for Applied Geoscience and Energy (IMAGE)
... survey of about 500 sqkm to be acquired in a single campaign. Throughout the ongoing acquisition phase, raw shot gathers are continuously transmitted...
2024
Seismic expressions of a Miocene prograding carbonate margin, Mut Basin, Turkey
Xavier Janson, Gregor P. Eberli, Florence Bonnaffe, Fabrice Gaumet, Vincent De Casanove
AAPG Bulletin
... by the complex impedance distribution create reflections that change phase laterally and cross stratigraphic timelines. Several high-impedance coral buildups...
2007
87Sr/86Sr Variation in Tortonian Mediterranean Sediments: A Record of Milankovitch Cyclicity
Mario Sprovieri, Angelo Bonanno, Mario Barbieri, Adriana Bellanca, Rodolfo Neri, Bernardo Patti, Salvatore Mazzola
Special Publications of SEPM
.... B) Power spectrum of the Sr isotope signal from the Gibliscemi section. C) Coherency analysis and D) phase-angle analysis between insolation forcing...
2004
Tommeliten Gamma Field--Norway Central Graben, North Sea
Erik B. Nielsen, Guy Fraselle, Laura Vianello
AAPG Special Volumes
... development. It was decided to prolong this evaluation into the first development phase by: -- Reevaluating the biostratigraphy, facies, and dipmeter...
1990
Temperature Monitoring Results for Methane-hydrate Sediments in the Nankai Trough, Japan
Masafumi Fukuhara, Vladimir Tertychnyi, Kasumi Fujii, Valery Shako, Viacheslav Pimenov, Yuri Popov, Doug Murray, Tetsuya Fujii
AAPG Special Volumes
... spectrum analysis (bottom). RTD = resistance temperature device.A magnitude comparison of the sea-floor temperature is shown in Figure 13. The top and lower...
2009
Assessment Measures: Describing Uncertainty Accurately, Clearly and Unambiguously, #41023 (2012)
Mark A. Sykes, Kenneth C. Hood, Stephan I. Setterdahl
Search and Discovery.com
...-related. Groups of terms describe the relative magnitude of volumes within a common class of volume measure, e.g. “Lowside” and “Median” Geologic Success...
2012