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The AAPG/Datapages Combined Publications Database
Showing 18,829 Results. Searched 200,691 documents.
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)
... 𝐹(𝜔) is the frequency spectrum of the raw data and 𝑔(𝑡) is the interpolated waveform. Fig. 7. Performance of the combined filtering on the interpolated data...
2022
Poststack Processing Steps for Preconditioning Seismic Data; #42399 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... to compress the embedded wavelet in the data, and thus enhance their frequency content. This step is usually followed by bandpass filtering, usually...
2019
Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data
Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin
Indonesian Petroleum Association
... data processing generally consists of-process geometries, static correction, filtering and velocity analysis, NMO and migration. Frequency filtering...
2017
Multichannel seismic deconvolution via 2D K-SVD and convolutional sparse coding
Guiqian Zhang, Xiayu Gao, Bangli Zou, Yaojun Wang, Yingzhu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... as the dictionary learning methods. We divide the seismic profile into low-frequency component and highfrequency component, and reconstruct their corresponding...
2023
Some Qualitative Analyses of the Ground Magnetic Survey in the Kedah Peak Rest House Area, Kedah
B. K. Lim
Geological Society of Malaysia (GSM)
... (smoothened by moving averages). G r o u n d m a g n e t ic su r v e y in K e d a h P e a k a r ea SPATIAL DOMAIN Frequency filtering Fig. 6...
1980
Detection threshold of a shallow CO2 plume with VSP data from the CaMI Field Research Station
Brendan J. Kolkman-Quinn, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
... frequency bandwidth. Remaining spectral differences caused by nearsurface filtering were removed with high-cut filters. The CO2 plume was confidently...
2022
AVO-preserving seismic data interpolation by orthogonal polynomial decomposition and mathematical morphological filtering
Yanxin Zhou, Yangang Mo, Junzhou Liu, Dajian Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
... is the damping factor between 0 and 1 during the iteration. MMF represents mathematical morphological filtering in frequency-space domain. FFT and iFFT...
2024
Some Seismic Instantaneous Bandwidth Attribute Applications; #42515 (2020)
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
.... Narrow-band, low-frequency spectra cannot represent thin beds, while narrow-band, high-frequency spectra provide ringy, ambiguous images of thin beds...
2020
Seismic frequency control on carbonate seismic stratigraphy: A case study of the Kingdom Abo sequence, west Texas
Hongliu Zeng, Charles Kerans
AAPG Bulletin
...Seismic frequency control on carbonate seismic stratigraphy: A case study of the Kingdom Abo sequence, west Texas Hongliu Zeng, Charles Kerans 2003...
2003
Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)
Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux
Search and Discovery.com
... in FWI, together with low frequency filtering, is a natural extension that corresponds to the multigrid diagonal and block-diagonal preconditioning...
2015
Suppression of coherent and random noise using adaptive thresholding method in seismic-while-drilling
Yue Ma, Yujin Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... by frequency-offset (fx) deconvolution filtering over short spatial window in which the signal are assumed piecewise stationary (Canales, 1984; Gülünay, 1986...
2022
Polarization Filter by Eigenimages and Adaptive Subtraction to Attenuate Surface-Wave Noise; #41565 (2015)
Stephen Chiu, Norman Whitmore, Michael Gurch
Search and Discovery.com
... ([email protected]) Abstract Multi-component recording contains full wavefield information that can be used in polarization filtering to attenuate...
2015
Abstract: Increasing Seismic Resolution by Decreasing Receiver Spacing; #90171 (2013)
David C. Henley, Kevin W. Hall, Malcolm Bertram, and Eric Gallant
Search and Discovery.com
... that coherent noise is a major issue at this site, and a significant portion of the low-frequency seismic band was discarded (40 – 60 Hz low cut) in order...
2013
Abstract: Innovated PETREL Workflow for Multi-Attribute Analysis: Case Study in Malay Basin
S. P. Kee, Deva Ghosh, Askury Abd Kadir
Geological Society of Malaysia (GSM)
... workflow is innovated to ease the process of multi attribute analysis. The conceptual workflow consists of data (frequency) filtering, attribute...
2017
ABSTRACT: Geochronological Models Based on Quantitative Signal Processing of Chemical Stratigraphic Data, by Douglas F. Williams, Dwight M. Trainor, and Ian Lerche; #91022 (1989)
Search and Discovery.com
1989
Preparation of Oriented Clay Mounts with Uniform Thickness for XRD Analysis: RESEARCH METHOD PAPER
Annabelle M. Foos, Thomas J. Quick
Journal of Sedimentary Research (SEPM)
... needed to give the desired weight of clay on mount, 3) filtering the suspension and transferring it onto a glass slide for XRD analysis...
1988
Analysis Techniques and Signal Enhancement Methods Applied to the Bellshill Lake Stratigraphic Trap Program: ABSTRACT
R. J. Graebner, D. F. Brennan
AAPG Bulletin
... the ghost reflection problem, the attenuation of shot generated boundary waves through wave length filtering with arrays of multiple seismometers...
1963
Analysis Techniques and Signal Enhancement Methods Applied to Bellshill Lake Stratigraphic Trap Program: ABSTRACT
R. J. Graebner, D. F. Brennan
AAPG Bulletin
... for attacking the ghost reflection problem, the attenuation of shot generated boundary waves through wave length filtering with arrays of multiple...
1963
Abstract: Untitled, by C. Gastaldi and L. B. Brahim; #90956 (1995).
Search and Discovery.com
1995
ABSTRACT: From Thule to Huli's: Use of Magnetotellurics in Difficult Acquisition Areas, by Karen Rae Christopherson; #91019 (1996)
Search and Discovery.com
1996
Use of Sediment Gas Anomalies in Surface Prospecting: ABSTRACT
Bernie B. Bernard
AAPG Bulletin
... hydrocarbon gases in near-surface marine sediments have been made with increasing frequency over the last 10 years as part of various geochemical prospecting...
1981
Structural Patterns in Western Canada Basin: ABSTRACT
J. E. Robinson, H. A. K. Charlesworth
AAPG Bulletin
... of the sub-Cretaceous unconformity within the Western Canada basin was analyzed by spatial filtering to display the sizes and trends of contained...
1982
Abstract: The AVO Response of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma, by E. Kubera, R. A. Young, and A. Leaver; #90944 (1997).
Search and Discovery.com
1997