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The AAPG/Datapages Combined Publications Database

Showing 34,500 Results. Searched 200,693 documents.

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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

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