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The AAPG/Datapages Combined Publications Database
Showing 34,500 Results. Searched 200,693 documents.
Onshore Seismic Attribute Analysis for Reservoir Characterization With a Focus on the Acoustic Impedance Inversion and Multi-Attribute Neural-Net Technologies
Elok Galih Karuniawati, Bagus Jaya, William L. Soroka
Indonesian Petroleum Association
... interpreting results when low signal-to-noise ratio seismic data is used for inversion or PNN. Successful predictions of Carbonate reservoir properties were...
2011
Geologic Stereo Mapping of Geologic Structures with SPOT Satellite Data: Geologic Note (1)
Z. BERGER , T. H. LEE WILLIAMS , and D. W. ANDERSON
AAPG Bulletin
...) seismic data quality usually is poor due to a low signal-to-noise ratio. A typical application of stereo mapping o subtle structures is illustrated...
1992
A Novel Pretreatment Method of Crude Oil for the Determination of Diamondoids; #41456 (2014)
Wanfeng Zhang, Ting Tong, DongHao Li, Xuanbo Gao, Wei Dai, Zhenyang Chang, Pengfei Guo, Sheng He, Shukui Zhu
Search and Discovery.com
... (LOD) were represented by the relative standard deviation (RSD) and three times the signal-to-noise ratio, respectively. To estimate the limits...
2014
3D installation of fiber cables for acquiring 3C DAS array data
Yingping Li, David Li, Lianjie Huang, Yingcai Zheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... can effectively acquire 3C DAS array data. Employing beam forming and coherent stacking techniques, we can significantly increase signal-to-noise...
2023
Artificial intelligence techniques to the interpretation of geophysical measurements
Desmond FitzGerald
Petroleum Exploration Society of Australia (PESA)
... of round, and measurement noise. He advocated for transformation to the analytic signal, prior to any search to help alleviate many of the above factors...
2019
How to Overcome Imaging Problems Associated with Carbonate Minerals on Sem-Based Cathodoluminescence Systems: RESEARCH METHODS PAPERS
Robert M. Reed, Kitty L. Milliken
Journal of Sedimentary Research (SEPM)
...-to-noise ratio brought about by using only part of the available spectrum, as compared with a panchromatic image on the same system. Using a limited...
2003
Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015)
Sina Esmaeili and Gary Frank
Search and Discovery.com
... ratio is equal to two. For noisy seismograms we only need that part of a spectrum where signal dominates noise, as shown in Figure 5. This area...
2015
A Review of the Sarawak Cycles: History and Modern Application
Peter Lunt, Mazlan Madon
Geological Society of Malaysia (GSM)
...) and are rarely found in the shelf sediments of the Sarawak area deposited after the base Cycle VI transgression. The base Cycle VI event is shown on Ho’s Figure...
2017
Three-dimensional facies architecture and three-dimensional calcite concretion distributions in a tide-influenced delta front, Wall Creek Member, Frontier Formation, Wyoming
Keumsuk Lee, M. Royhan Gani, George A. McMechan, Janok P. Bhattacharya, Stephanie L. Nyman, Xiaoxian Zeng
AAPG Bulletin
... interval were set at 300 and 0.8 ns, respectively, and traces were stacked 128 times at each survey point to improve the signal-to-noise ratio...
2007
The Eagle Ford Shale Laboratory: A Field Study of the Stimulated Reservoir Volume, Detailed Fracture Characteristics, and EOR Potential
A. D. Hill, M. Laprea-Bigott, D. Zhu, G. Moridis, D. S. Schechter, A. Datta-Gupta, S. Abedi, J. Correa, J. Birkholzer, B. M. Friefeld, M. D. Zoback, F. Rasouli, F. Cheng, J. Ajo-Franklin, J. Renk, O. Ogunsola, K. Selvan
Unconventional Resources Technology Conference (URTEC)
...-to-noise ratio to be able to produce quality reflection images. URTeC 2973 11 Figure 11. Reflection imaging of P waves. From left to right: P-wave...
2020
5 Thermal Anomalies
P. E. Gretener
AAPG Special Volumes
... safely be called an anomaly, or in geophysical terms, only when the signal distinctly rises above the noise can it be identified as such (signal...
1981
Neural Network Application for Frontier Exploration: East/Central African Rift Example, Valentina Baranova, Azer Mustaqeem, #41278 (2014)
Francis Karanja, Danson Mburu
Search and Discovery.com
... methodology involves picking examples of highly probable gas chimneys and non-chimneys on seismic sections. Non-chimneys are often picked in chaotic...
2014
Seismic Refraction and Reflection Studies in the Timor-Aru Trough System and Australian Continental Shelf: Convergent Margins
R. S. Jacobson , G. G. Shor Jr. , R. M. Kieckhefer , G. M. Purdy
AAPG Special Volumes
... conditions were extremely calm. The signal/noise ratio (comparing the peak-to-peak amplitude of the second and third half-cycles of the refracted signal...
1979
Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)
Mike J. Perz and Hassan Masoomzadeh
Search and Discovery.com
... Abstracts, 989-993. http://dx.doi.org/10.1190/1.2792571. Williams, R.G., and J. Pollatos, 2012, Signal to noise—The key to increased marine seismic...
2015
ABSTRACT: FROM THE GEOLOGISTSEYES TO SYNTHETIC CORE DESCRIPTIONS: GEOLOGICAL LOG MODELLING USING WELL-LOG DATA; #90013 (2003)
BENOIT MATHIS, JEAN PIERRE LEDUC, THIBAULT VANDENABEELE
Search and Discovery.com
..., - Bedding takes into account all significant dips, which are automatically picked on the image in a manner comparable to a manual picking. Additional...
2003
From the Geologists’ Eyes to Synthetic Core Descriptions: Geological Log Modeling Using Well-Log Data, by Benoit Mathis, Jean Pierre Leduc, and Thibault Vandenabeele, #40109 (2004).
Search and Discovery.com
2004
Porosity and Pore Size Distribution in Mudrocks: A Comparative Study for Haynesville, Niobrara, Monterey, and Eastern European Silurian Formations
Milad Saidian, Lemuel J. Godinez, Saul Rivera, Manika Prasad
Unconventional Resources Technology Conference (URTEC)
... to noise ratio, we were not able to acquire reliable NMR data for all samples. NMR measures the hydrogen nuclei concentration and T 2 distribution...
2014
Carbonate Platform to Basin Transitions on Seismic Data and in Outcrops: Great Bahama Bank and the Maiella Platform Margin, Italy
Gregor P. Eberli, Flavio S. Anselmetti, Christian Betzler, Jan-Henk Van Konijnenburg, Daniel Bernoulli
AAPG Special Volumes
... are too small to produce an impedance contrast that is sufficient to overcome the signal-to-noise ratio. In the Middle East, shales that produce high...
2004
Early diagenetic controls on color variation in Eocene red beds: a case study from the Gercus Formation, Zagros Basin, Kurdistan Region, Iraq
Salahadin Shahrokhi, Ondřej Bábek, Howri Mansurbeg, Branimir Šegvić, Juan Diego Martín-Martín, Jaroslav Kapusta, Filip Gregar, Michal Kořenek
Journal of Sedimentary Research (SEPM)
... daily using the NIST 610 glass standard reference material (National Institute of Standards and Technology, USA) to optimize the signal-to-noise ratio...
2025
Reservoir Characterization and Estimation of Remaining Oil Saturation using NMR logs for Optimizing a CO2 Flood: A Pilot Study
Sandeep Ramakrishna, Eric Murphy, Ron Balliet, Lonnie Sullivan, Kathleen Barclay, Raymond Schutte
West Texas Geological Society
... acquired decreases and the signal to noise ratio (SNR) degrades. If the echo spacing is too long, the SNR may become very poor. In either of the cases...
2011
The Crowsnest Volcanics and Cretaceous Geochronology
R. E. Folinsbee, W. D. Ritchie, G. F. Stansberry
CSPG Special Publications
..., such as the Dunvegan. Geochronology Since the feldspar phenocrysts in the Crowsnest volcanics are large (minimizing any diffusion effect), potash rich, and fresh...
1957
Abstract: Newly-Recognized Tsunami in Atlantic Canada
Alan Ruffman
Atlantic Geology
... impinged on Atlantic Canada. One was reported in 1864 in St. Shott's, Newfoundland, and the large November 18, 1929 event caused significant loss...
1987
Improved approach for the suppression of interbed multiples related with coal strata in the Junggar Basin
Yang Huidong, Li Daoshan, Gong Ting, Lv Yongchang, Miao Yanshu, Zhang Boen
International Meeting for Applied Geoscience and Energy (IMAGE)
... as the generator instead of picking several horizons can simplify the multiple models and improve the effect and efficiency. The applications of the new...
2024
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
... acquired to improve the signal-to-noise ratio (S/N). The fiber sensor cable is looped at the bottom; therefore, the arrangement of the acquired data...
2009
3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden
Barry Hung, Kefeng Xin, Sergey Birdus, James Sun
Indonesian Petroleum Association
... anywhere within the overburden using the actual seismic raypaths. It includes the following procedures: (1) picking events on the CIGs, measuring...
2009