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The AAPG/Datapages Combined Publications Database
Showing 34,500 Results. Searched 200,693 documents.
Interpreting Borehole Image Data from Deep-Marine Environments
Adriaan A. Bal, Kenrick A. A. van Noord, Gde P. Wirawan
Indonesian Petroleum Association
..." orientation of sedimentary bedding. Structural analysis commences with high resolution, manual "dip picking" by a geologist to identify the dip and dip-azimuth...
2004
Raman spectroscopic analysis of carbonaceous matter and silica in the test walls of recent and fossil agglutinated foraminifera
David H. McNeil, H. Georg Schulze, Emily Matys, and Tanja Bosak
AAPG Bulletin
.... Foist, A. Ivanov, and R. F. B. Turner, 2008, Fully automated high-performance signal-to-noise ratio enhancement based on an iterative three-point...
2015
Abstract: Evidence of the Mid-Clysmic Event in the Red Sea, Saudi Arabia; #91204 (2023)
Hassan Aldaif
Search and Discovery.com
...Abstract: Evidence of the Mid-Clysmic Event in the Red Sea, Saudi Arabia; #91204 (2023) Hassan Aldaif Evidence of the Mid-Clysmic Event in the Red...
2023
ABSTRACT Changing Conditions Across the Permo-Triassic Boundary: Evidence from the Re-Os Isotope System, #90104 (2010)
Stein Holly J.; Hannah Judith L.; Bingen Bernard; Georgiev Svetoslav; Xu Guangping
Search and Discovery.com
... event in earth history. Deciphering underlying causes and the related cascade of events at this critical juncture can enlighten our understanding...
2010
Separation of Clay Minerals from Carbonate Rocks by Using Acid
Meredith E. Ostrom
Journal of Sedimentary Research (SEPM)
... the clay minerals that occur in limestones and dolomites have been used without regard to the effect the chemicals might have on the properties...
1961
Whale detection and microseismic monitoring via DAS using submarine telecommunications cables a case study from the NWS, Western Australia
Henry A. Debens, Denise McCorry, Evgenii Sidenko, Christine Erbe, Olivia Collet, Roman Pevzner, Boris Gurevich
Australian Energy Producers Journal
... channel spacing to provide an optimal trade-off between frequency content and signal-to-noise ratio (determined during pre-acquisition tests...
2024
Southwest Pacific Seamounts Revealed by Satellite Altimetry
Peter J. Hill, Nicholas Baudry
Circum Pacific Council Publications
... in the way of further processing to substantially im prove the signal/noise ratio for non-repetitive tracks. Various techniques have been used...
1992
Geochemical Changes and Fracture Development in Woodford Shale Cores Following Hydrous Pyrolysis under Uniaxial Confinement
Justin E. Birdwell, Michael D. Lewan, Michael Miller
Unconventional Resources Technology Conference (URTEC)
..., and scans were collected until the signal-to-noise ratio was at least 200. Native-state resistivity measurements were conducted using a two-terminal...
2013
Use of SEASAT-Derived Free-Air Gravity to Interpret the Crustal Structure of Southeast Asia
M. T. Angelich
Indonesian Petroleum Association
... is processed in frequency space. It is common in such processing to apply a high frequency attenuation filter to improve the signal-to-noise ratio. Haxby...
1986
Application of Airborne Transient Electromagnetic (SkyTEM) Technique for Buried Valley Detection in Part of Hadsten, Aarhus County, Denmark
Siti Nazira Masrom, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
...-noise ratio, which in turn, is a function of the selected moment, the geological and noise-related conditions on site, flight altitude and flying...
2012
Application of Oxygen Activation Logging for Detecting Water Flow Behind Casing/Tubing in Minas Field
Rinaldi
Indonesian Petroleum Association
... signal to noise ratio as it activates more oxygen per cycle. This can be particularly important when attempting to make measurements through several...
1995
Mapping of Microbial Habitats in Organic-Rich Shale
E. Buchwalter, A. Swift, J. Sheets, D. Cole, T. Prisk, L. Anovitz, J. Ilavsky, M. Rivers, S. Welch, S. Chipera
Unconventional Resources Technology Conference (URTEC)
..., and with roughly the same signal to noise ratio. Both images show the characteristic low-density stringers (indicated with arrows) that host most of the macroscale...
2015
Subvolcanic Hydrocarbon Prospectivity of Java: Opportunities and Challenges
Awang Harun Satyana
Indonesian Petroleum Association
... was directed towards maximizing the signal to noise ratio, and the main characteristics of the survey were: 1) Large array of vibrators and long sweeps...
2015
Time-Lapse Simultaneous AVO Inversion of the Widuri Field, Offshore Southeast Sumatra
Bill Harmony, Robert Van Eykenhof, Lupi Harvidya, Djoko Rubyanto, Sri Lestari Supardi, Mark Sams, Fauzi Alkatiri, Paul Van Riel, Peter Mesdag
Indonesian Petroleum Association
... available data are used, thereby increasing the signal to noise ratio. In those areas where changes had occurred over time, intermediate properties...
2003
Geology and Discovery of Prudhoe Bay Field, Eastern Arctic Slope, Alaska: Case Histories
Dean L. Morgridge, William B. Smith Jr.
AAPG Special Volumes
... in conjunction with pattern shotholes, resulted in a greater signal-to-noise ratio in these problem areas (Fig. 11). Possibly the greatest...
1972
Permeability Measurements on Shales using NMR Spectroscopy
Ashish Mathur, Safdar Ali, Colton Barnes, Chad Belanger, Justin Treadwell, Brian Chin, Vivek Ravi
Unconventional Resources Technology Conference (URTEC)
... of the water and oil porosities is possible due to a substantially high signal-to-noise ratio (SNR) and high T1 sensitivity that the 12 MHz NMR scans offer...
2020
Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico
Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey
AAPG Special Volumes
... are important to complete the image of the subsurface. The improvement is not only to increase the signal-to-noise ratio as different receivers in the cables...
2009
Oil–source correlation studies in the shallow Berea Sandstone petroleum system, eastern Kentucky
Paul C. Hackley, Thomas M. Marty Parris, Cortland F. Eble, Stephen F. Greb, and David C. Harris
AAPG Bulletin
... to the higher maturity (lower signal to noise) or possible coelution of contaminant phases, as indicated by unresolved minor peaks near n-C17 and n-C18...
2021
Age and Origin of Albian Glauconites and Associated Clay Minerals Inferred from a Detailed Geochemical Analysis
Davy Rousset,, Sylvie Leclerc, Norbert Clauer, Joel Lancelot, Michel Cathelineau, Jean-Francois Aranyossy
Journal of Sedimentary Research (SEPM)
... and celadonite: American Mineralogist, v. 26, p. 683-708. HESS, J., BENDER, M.L., AND SCHILLING, J., 1986, Evolution of the ratio of strontium 87...
2004
Induced AVO Anomalies from Pore Pressure Effects
A.C. Buginga Ramos, M.A. Santiago Toledo
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... and the corresponding effect on seismic attributes and reflectivity modeling. Lindsay and Towner (2001) have shown the importance integrating 3D pore pressure volume...
2006
How Diagnostic Fracture Injection Tests (DFITs) Show Horizontal Plane Tensile and Shear Fractures in Various Stress Settings
Alan K. Nicholson, Robert C. Bachman, Robert V. Hawkes
Unconventional Resources Technology Conference (URTEC)
... shown on Figure 3 at a pressure gradient of 21.8 kPa/m. Picking closure stress in the presence of the HR/TS phenomenon has recently become...
2017
A New Approach To Quantify the Ordering State of Protodolomite Using XRD, TEM, and Z-Contrast Imaging
Yihang Fang, Huifang Xu
Journal of Sedimentary Research (SEPM)
... along the (104). Extra noise from oxygen and carbon atoms along the (104) trace results in a lower signal-to-noise ratio and a lower calculated...
2019
Multivariate Classification for the Integration of Core, Log and Seismic Data on Intersecting Pre-Stack Inverted 2-D Seismic Lines, Lublin Basin, Poland
David Handwerger, R. Castañeda-Aguilar, G. Vaaland Dahl, Hilde G. Borgos, Jaroslaw Zacharski, Dagmara Krawiec, Arkadiusz Buniak, W. Prugar, Roberto Suarez-Rivera
Unconventional Resources Technology Conference (URTEC)
... domain. The inversion itself had some complications in that there were high energy reflectors around 300-700 ms, lower signal to noise at the target...
2015
Quantitative sequence stratigraphy applied to the Barremian–lower Aptian Urgonian carbonates deposited in Provence (southeastern France)
Mickaël Barbier, Jean Borgomano, Philippe Léonide, Gérard Massonnat, Charles Danquigny, and Jean-Louis Lesueur
AAPG Bulletin
... subsidence effect. In the study area, a second major positive accommodation event recognized at the base of the M2–M3 interval is associated with general...
2025
The Effect of Deep Burial and Folding on Sandstone Reservoirs in some Giant Gas Fields, South America
Gregory Smith, Maxim Lebedev, Reza Rezee, Stefan Iglauer
Petroleum Exploration Society of Australia (PESA)
... was acquired keeping a signal to noise ratio of 200. The raw T2 decay was processed using the 1D inverse Laplace transform, applying the Lawson-Hanson...
2018