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The AAPG/Datapages Combined Publications Database
Showing 18,833 Results. Searched 200,599 documents.
High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP
Ali Sayed, Francesca Twynam, Ran Bachrach, Maud Cavalca, Leo Leon, Maria Shadrina, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist
International Meeting for Applied Geoscience and Energy (IMAGE)
... pulse. DAS sensor response is known to differ from the conventional geophone in frequency and amplitude (Bakku, 2015; Sayed et al., 2020, 2021...
2023
Geophysical and Geochemical Data to Map Ground-Water Contamination-Utah County, Utah
Alvin K. Benson, Kelly L. Payne, Melissa A. Stubben
Utah Geological Association
... Geophysical methods can be helpful in mapping areas of contaminated soil and ground wtaer. Electrical resistivity and very low frequency...
1995
Lithology characterisation of the roof and floor of the Moranbah measures coal seam using post-stack and pre-stack seismic inversion
Margarita Pavlova
Petroleum Exploration Society of Australia (PESA)
... 1998-2015 year range. The processing flow aimed to match amplitude, phase and frequency spectrum across the merged volume. The dominant frequency...
2019
Applied Geostatistics Method for Clastic Gas Reservoir Facies Modeling of Middle Arang Formation of TS Gas Field, West Natuna Basin
Tigor Siagian, Ali Taha Al-Temimi, Abdulaziz Al-Mousawi, Sonny Winardhi
Indonesian Petroleum Association
... to have a good mapping of base structure. Filtering the existing 3D seismic volume to low and high frequency content, next step is applied absorption (Q...
2017
Interbed Multiple Suppression in Carbonate Sequences
Gabriel Gil
Unconventional Resources Technology Conference (URTEC)
... frequency content, predominantly in near-offset traces. As a result, high-cut frequency filtering is sometimes employed to suppress their impact. However...
2025
Abstract: AVO Crossplotting I: Processing and Calibration Considerations; #90171 (2013)
Heath Pelletier
Search and Discovery.com
... the frequency content of the primaries has been altered too dramatically. In these cases it is necessary to crossplot the AVO attributes, before and after...
2013
Abstract: 5D Interpolation and Regular Upsampling: Ill-suited or Fit-for-purpose?; #90187 (2014)
Mike J. Perz and Peter W. Cary
Search and Discovery.com
.... On the other hand, there are two factors driving the algorithm towards success: first, simple wavenumber filtering can overcome this assumption...
2014
Abstracts: Evidence of Shallow Gas in the Queen Charlotte Basin from Waveform Tomography of Seismic Reflection Data; #90173 (2015)
Eric M. Takam Takougang and Andrew J. Calvert
Search and Discovery.com
... shallow gas in the Queen Charlotte Basin. Waveform tomography We used the 2-D visco-acoustic waveform tomography approach in the frequency domain...
2015
VSP Survey in the Thonex Geothermal Well New Characterization of Potential Carbonatic Geothermal Reservoirs, #80646 (2018).
Luca Guglielmetti, Andrea Moscariello, Flavio Poletto,, Piero Corubolo,, A. Scheifer,, B. Farina, Fabio Meneghini, Francois Martin, Carole Nawratil de Bono,, Michel Meyer, Chrystel Dezayes, Adnand Bitri
Search and Discovery.com
... with the deviated well path; Signal frequency analysis, and Band Pass filtering 8- 12110-120 Hz (Ormsby filter). This preprocessing was followed by: • FB picking...
2018
Biodeposition by the Ribbed Mussel Geukensia Demissa in a Salt Marsh, Sapelo Island, Georgia
Jennifer M. Smith, Robert W. Frey
Journal of Sedimentary Research (SEPM)
... and filtering characteristics of Modiolus demissus in a Connecticut estuary [unpubl. Ph.D. thesis]: Univ. Connecticut. DAHLBERG, M. D., AND SMITH, F. G., 1970...
1985
Practical Application of Adaptive Least-Squares Reverse Time Migration (LSRTM) to Advance Field Development and Uncover New Reserves in the Subsalt Provinces
Chong Zeng, Shuqian Dong, Zhaohong Wu, Jean Ji, Darrell Armentrout, Bin Wang
GCAGS Transactions
... of marine data with frequency-selection encoding: Geophysics, v. 78, p. S233–S242. Dong, S., J. Cai, M. Guo, S. Suh, Z. Zhang, B. Wang, and Z. Li, 2012...
2016
Application of a Modern Electrical Borehole Imager and a New Image Interpretation Technique to Evaluate the Porosity and Permeability in Carbonate Reservoirs: A Case History from the Permian Basin, United States
Vivek D. Chitale, Clive Johnson, David Entzminger, Lyn Canter
AAPG Special Volumes
..., using various filtering techniques, the total porosity visible to an image log in the zone of invasion is estimated by calibrating the image-log...
2010
Development and Application of a New Geothermal Database for the Illinois Basin, #80277 (2013)
Tiffany A. Proffitt, Kevin M. Ellett, Charles W. Zuppann, Shawn C. Naylor, Melony E. Barrett, Bryan G. Huff, Chris P. Korose, Alison B. Lecouris, T. Chase Noakes
Search and Discovery.com
... geophysical logs, we conducted a number of quality assurance steps and filtering analyses. Primary tests involved graphical screening for outliers...
2013
Surface Seismic Monitoring of Hydraulic Fracturing Activity in Pennsylvania and West Virginia
Abhash Kumar, Erich Zorn, Richard Hammack, William Harbert
Unconventional Resources Technology Conference (URTEC)
... in this study show a low-frequency, low-amplitude precursor followed by a relatively high-frequency, high-amplitude primary S-wave signal and are similar...
2016
Applications of Shallow High-Resolution Seismic Reflection to Environmental Problems
Richard D. Miller, William E. Doll, Carlene Merey, William E. Black
Environmental Geosciences (DEG)
... of subsurface acoustic velocity contrasts, density contrasts, or both. The second relates to the ability of the near surface to propagate high-frequency seismic...
1994
OPSEIS™ Seismic Recording System
H. A. Tims, D. R. Cahill
Indonesian Petroleum Association
...). A number of Remote Telemetry Units (RTU). A Blaster or source detonation unit. A number of Radio-Frequency Repeaters. Central Recording Station...
1983
Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field
C. R. Willingham, A. S. Wylie Jr., D. J. Underwood
Pacific Section of AAPG
... depth points. These data showed a strong noise peak between 12 and 28 hertz. Comparison of the power spectra, in this frequency range, recorded during...
2001
Least-squares non-stationary triangle smoothing
Reem F. Alomar, Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The method is based on the local frequency attribute and has been applied successfully for approximating the inverse Hessian operator in least-squares...
2022
Multicomponent seismic data vector reconstruction via quaternionic matrix factorization
Yonghai Fu, Jianjun Gao, Wenbo Sun, Yandong Wang, Fan Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... data via biquaternions in the frequency domain and presented a biquaternionic POCS algorithm to solve the 3C-3D reconstruction problem. Based on F-XY...
2023
Pematang Lantih Vibroseis 3D Seismic Survey: An Innovative Technique Applied in Sumatra
Adde Avrino, Jacques Bonnafé-Clauss, Susanto S. Wibowo, Jeres R. Cherdasa, Rimbawan Prathidina, Nobuhito Shimada, Stevanus P. Silaban
Indonesian Petroleum Association
...: 1 (One) Unit Vibro Truck Sweep length: 16 sec Frequency range: 6-80 Hz, linear Bin Size: 20x20 Fold Coverage: 62 Taper: 300ms Force: 90% VP...
2018
Kapteyn's Transformation of Grain Size Distribution
Jiri Brezina
Journal of Sedimentary Research (SEPM)
... frequency curves. First paper: P. N. Noordhoff, Groningen; E. Steiger Co., New York. KAPTEYN, J. C., 1916, Skew frequency curves in biology and statistics...
1963
Abstract: Elastic Full Waveform Inversion For Land Walkaway VSP Data; #90224 (2015)
Olga Podgornova, Scott Leaney, Marwan Charara, and Eric von Lunen
Search and Discovery.com
.... Horizontal and vertical components of real (E, G) and synthetic (F, H) data for an offset ~1530 m. Frequency filtering of the real data is the same...
2015
Comparison of potential fields inversion techniques for basement relief recovery: A case study from the Taubaté Basin, Brazil
Fernanda C. M. Hermes, Guilherme Lenz, Leonardo Miquelutti, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
... that allows a visual analysis of the data. It offers a wide variety of tools for processing and interpreting gravimetric data, such as filtering, inverting...
2023
Massive focal mechanism solutions from deep learning in west Texas
Yangkang Chen, Omar M. Saad, Alexandros Savvaidis, Fangxue Zhang, Yunfeng Chen, Dino Huang, Huijian Li, Farzaneh Aziz Zanjani
International Meeting for Applied Geoscience and Energy (IMAGE)
... and simulation of high-frequency waveforms. In this work, we focus on the first-motion-based methods. Picking the P-wave first-motion polarities can...
2024
Seismic Facies Analysis Using Generative Topographic Mapping; #41717 (2015)
Satinder Chopra, Kurt Marfurt
Search and Discovery.com
...-entropy, GLCM-homogeneity, peak frequency, peak magnitude, coherence and impedance attributes we derive GTM1 and GTM2 outputs. These attributes provided...
2015