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The AAPG/Datapages Combined Publications Database

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

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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 GEOLOGISTSEYES 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

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

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