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The AAPG/Datapages Combined Publications Database
Showing 18,833 Results. Searched 200,619 documents.
Abstract: Spectral Decomposition of Seismic Data with Wavelet-Packet-Like Transform; #90211 (2015)
Rongfeng Zhang
Search and Discovery.com
... several limitations when resolving thin bed seismic events. The STFT method uses a fixed window length for all frequency analysis, while the CWT method...
2015
Prospectivity of volcanic basins: Trap delineation and acreage de-risking
Max Rohrman
AAPG Bulletin
.... The effect is low-frequency pass filtering through a stack of basalt (Maresh and White, 2005). An early attempt (1980s) to seismically image below flood...
2007
Stacking common-image gathers via the flatten-illumination-similarity method
Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang
International Meeting for Applied Geoscience and Energy (IMAGE)
... optimization algorithms that come with high computational costs. Conventional migration imaging can be seen as the result of filtering by the Hessian...
2023
Prediction and attenuation method of surface-related multiple based on characteristic reflector
Jian Xiang, Huazhong Wang, Chengliang Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... prediction models and solve for the matched filter for adaptive subtraction. Some studies predict partial SRMs by filtering data to reduce the difficulty...
2024
Seismic deblending with a hard data constraint
Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... of interest remains coherent. Historically, deblending has been addressed using filtering or denoising techniques (Hampson et al., 2008; Huo et al...
2024
Integrated Interpretation in the Deep Water Gulf of Mexico Examples from the TGS Phase 45 Deep Water Reconnaissance Program
Brian S. Anderson, John E. Bain , Dr. David Hall, Rob Brooks
GCAGS Transactions
.... High-resolution results (Figs. 2 and 3) have required the development of new line leveling algorithms and filtering techniques to address low...
1997
The Seismic Exploration of the Mahakam Delta, or "Nine Years Shooting in Rivers, Swamps and Very Shallow Offshore"
Guy Roux
Indonesian Petroleum Association
... grounds, it is surprising to ascertain that no major coherent noise trains exist except a very low frequency and very low velocity "Ground Roll...
1977
A High Resolution Seismic Stratigraphy Study, Central Sumatra Basin Indonesia
Untung Suryanto, W. A. Wycherly
Indonesian Petroleum Association
... hole beneath the weathered layer can eliminate the severe high frequency filtering effect of the low velocity weathered layer. Under suitable field...
1984
Use of SEASAT-Derived Free-Air Gravity to Interpret the Crustal Structure of Southeast Asia
M. T. Angelich
Indonesian Petroleum Association
... and upper mantle with wavelengths of 100 to 1000 km. are most easily resolved. Quantitative interpretation proved unreliable due to the frequency...
1986
Modeling-based amplitude recovery (MBAR)
Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church
International Meeting for Applied Geoscience and Energy (IMAGE)
... a measure to correct amplitude distortions in processed field data. Examples of processing that can benefit from MBAR include KMIG, RTM, F-K filtering...
2022
Fibre Optic Sensing
Henk Kombrink
GEO ExPro Magazine
... more.” GEO EXPRO 1-2024 | 19 COVER YPS RY L O R E M S T OU M Low-frequency DAS data is dominated by strain signals from depressurizing reservoirs...
2024
Deep learning approach to inverting flexural wave dispersion
Hengjian Zhang, Zhifen Sun, Xianzhi Li, Xiaofang Sun, Chu Wang, Ya Jin, Xiaofei Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... the cutoff frequency, accurate formation shear wave velocity and the complete shape of dispersion constrained by borehole propagation laws can still...
2024
Unsupervised machine learning for seismic facies classification using a 3D grid approach
David Manzano, Edgar Galvan, Dan Ferdinand Fernandez
International Meeting for Applied Geoscience and Energy (IMAGE)
... that describe characteristics such as amplitude, frequency, phase. With advances in ML, technology has emerged for applications to seismic facies...
2024
Abstract: Shear Log Estimation by Rock Physics Assist Machine Learning Approach an Offshore Abu Dhabi Case Study; #91204 (2023)
Hiroyuki Inoue
Search and Discovery.com
.... In this carbonate reservoir, it was known that low frequency model is principal information to characterize a fluid distribution by AVO inversion based...
2023
Air Pollution Problems of the Phosphate Industry
Ralph I. Smith
Utah Geological Association
... for the removal of solids are numerous. A long flue equipped with baffles and settling chambers may be used. A filtering system such as a bag house is effective...
1967
GPR surveys reveal the subsurface geology of major sea turtle nesting islands in the Saudi waters of the Arabian Gulf
Sherif Hanafy, Korhan Ayranci, Rommel H. Maneja, Ace Vincent B. Flandez, Jinoy Gopalan, Diego F. Lozano Cortes
International Meeting for Applied Geoscience and Energy (IMAGE)
... the GPR results. Introduction Ground penetrating radar (GPR) uses high-frequency EM pulses to image the subsurface. It has many applications such as geology...
2023
Seismic imaging profile noise suppression based on self supervised deep learning: a case study in the Yellow Sea
Qiang Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... with the interpretation and analysis of seismic signals. In past research, various methods, including traditional filtering approaches and signal processing...
2024
A high-resolution seismic investigation for shallow iron ore
Ashley Grant*, Sasha Ziramov, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
... source peak frequency showed better temporal resolution, however, the spatial resolution was compromised due to irregular and sparse source coverage...
2019
Climate Change: Geoscientists Understand Longer-Term Perspectives
Graham Bradley
Petroleum Exploration Society of Australia (PESA)
... of cli mate change tightens if not accept" (who says?). Scientific method reefs. The first ca rbonate reefs formed in the frequency and int ensity...
2011
3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: North Fork Area, Powder River Basin, Wyoming
D. S. Stone
AAPG Special Volumes
... Frequency Filtering: 12-48 Hz 12-48 Hz Other:--- Migration:---- Source of Velocities...
1983
3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: South Elk Basin
D. S. Stone
AAPG Special Volumes
... Distance: 1,600 m (5,250 ft) Static Correction: surface consistent Deconvolution: Frequency Filtering: 14 to 62 Hz Other: reverse polarity to positive...
1983
A Reappraisal of Dolomite Abundance and Occurrence in the Phanerozoic: DISCUSSION
Gerald M. Friedman
Journal of Sedimentary Research (SEPM)
..., Characteristics of deep-marine dolomite--discussion: Journal Sedimentary Petrology, v. 59, p. 879-881. FRIEDMAN, G.M., 1992, Significance of high-frequency...
1995
An Easily Constructed, Very Inexpensive, Solar Cell Transmissometer (SCT): RESEARCH METHODS PAPERS
Stephen C. Knowles, John T. Wells
Journal of Sedimentary Research (SEPM)
... SSC is rather slow and cumbsersome, and does not allow resolution of high-frequency variations. In contrast, the beam transmissometer has been used...
1998
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... filtering (Wang 1996). Since we are not interested in amplitude, we can design harsh filters for our purpose. After cleaning up the data in this way, we...
Unknown
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... filtering (Wang 1996). Since we are not interested in amplitude, we can design harsh filters for our purpose. After cleaning up the data in this way, we...
Unknown