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The AAPG/Datapages Combined Publications Database
Showing 1,196 Results. Searched 200,673 documents.
Casing Integrity Surveillance A Case Study of Surveillance Methods to Determine Casing Condition of Mature Wells
A. Muhadjir, W. Andono, M. Saada, M. Abdelmoula
Indonesian Petroleum Association
... the concentric cylindrical shells of eddy currents in time domain provides the unique capability to differentially determine the thickness of the different...
2017
Fullband imaging
Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai
Petroleum Exploration Society of Australia (PESA)
... generated an inverse Qt (1/ Qt) field as shown Figure 5: PSDM result with deghosting shown in time domain. Figure 5: PSDM result with deghosting shown...
2016
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
... strategies to enhance data consistency in time domain and control the migration aperture to precondition the LSRTM gradient for fast convergence. We used...
2016
Australian Exploration Geophysics--Current Performance and Future Prospects
K. G. McCracken , G. Buselli
AAPG Special Volumes
... in the field data was decreased tenfold compared to contemporary instruments by more efficient use of the time domain. Surveys across two moderately difficult...
1981
Abstract: Cased-Hole Formation Evaluation Using Advanced Multifunction Pulsed Neutron Measurement Case Study from South of Iraq; #91204 (2023)
Mohammed Al-Jubouri, Ameen Shabeeb, Laurent Mosse, Wassem Alward, Pascal Millot, Ling Zongfa, Liu Zhaowei, Zhou Wenyin, and Xu Xiaori
Search and Discovery.com
... of robustness. In the time domain, the measurement includes formation Sigma, for saturation in a saline environment, neutron thermal porosity (TPHI...
2023
Application of Spectral Decomposition Technique in Reservoir Exploration in the Junggar Basin of West China, #10340 (2011)
Cai Gang, Su Mingjun, Yao Qingzhou, Gong Honglin
Search and Discovery.com
... and geologic bodies in the 3D survey areas by using seismic data. Seismic data in the time domain can be converted into frequency domain through Discrete...
2011
Rock Physics Inversion: A Montney Case Study, #41295 (2014)
James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson
Search and Discovery.com
... of taking logs measured in depth and calibrating them to the time domain. This is done using the measured seismic velocities in the logs supplemented...
2014
Near-Surface Characterization for Seismic Exploration Based on Gravity and Resistivity Data; #41892 (2016)
Jan Mrlina
Search and Discovery.com
... to gravity data, improving the near-surface resolution after TDEM (time-domain electromagnetic) was used to define dunes bottom surface in the Rub Al-Khali...
2016
South Atlantic Rift Segmentation from Demerara to Walvis: The Interplay between Strike Slip Deformation and Rifting; #30576 (2018)
Renato M.D.de Matos, Ian Norton, Ana Krueger, Katya Casey
Search and Discovery.com
... accommodating differential extension between the adjacent rift segments. On the other hand, in Time domain, we use kinematic indicators as a simple criterion...
2018
Increasing The Resolution of Seismic Imaging With Spectral Blueing, Spectral Decomposition RGB And HSV Blending to Delineate The Fluvial Facies on Fluvio Deltaic Environment
Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria
Indonesian Petroleum Association
... or more dominance than the red and green spectrum. The Spectral Blueing algorithm is performed in the time domain. Therefore, before performing Spectral...
2022
Application of S-Wave Seismic Data to Biogas Reservoir Evaluation in Sanhu Area
Qiao Shi, Wei Tan, Junyong Zhang, Jiru Guo, Yuzhen Wang, Chang Tang, Weiguang Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity of P-waves, consistent with the pulling down anomaly zone of P-wave seismic section. The structure map in P-wave time domain shows the low time...
2021
Quantitative comparison of active and passive surface wave data obtained from distributed acoustic sensing (DAS) and three-component geophones
Koichi Hayashi, Hayato Nonaka, Peter Hubbard, Yasuhiro Yokota, Kensuke Date, Kazuhiko Masumoto, Takaaki Taira, Kenichi Soga
International Meeting for Applied Geoscience and Energy (IMAGE)
... waves with an apparent velocity of 200~300 m/s in time domain (a) and a clear dispersion curve in a frequency range between 4 and 35 Hz in the phase...
2022
Understanding Electro-Magnetic Surveys
Professor Erik Flekkoey
GEO ExPro Magazine
... or receivers, and they use a continuous, periodic signal (frequency domain) or one that is turned off (time domain). Horizontal systems The most common...
2009
Structural Interpretation and Modeling of Seismic Data from the Moran and Paua Area, PNG Foldbelt
S. Lingrey
Papua New Guinea (PNG) Petroleum Convention Proceedings
...) from the depth domain to the unmigrated time domain for the stratigraphic calibration of reflections to be posted onto the stacked sections. In spite...
2000
Depth Imaging Seeing the Invisible
Vetle Vinje
GEO ExPro Magazine
... smoothness. moderate Very good Well suited Reverse Time Migration (RTM) Numerical solution of the Wave Equation in time domain High complexity...
2010
Estimation of anisotropic parameters from semblance picking using dynamic programming
Hong Liang, Houzhu (James) Zhang, Dongliang Zhang, Hongwei Liu, Xu Ji
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Conventioanlly, seismic model building starts from time-domain velocity analysis using semblance scanning (Taner and Koehler, 1969). The stacking...
2022
Exploration and Development based on RTH Technology and AI
Gennady Erokhin, Mariia Erokhina, Kirill Safran, Alexandre Iakovlev
Unconventional Resources Technology Conference (URTEC)
... to the prediction are seismic attributes and well-log data. Presently seismic attributes are typically calclated in the time domain, while well-log data...
2023
Seismic Processing Applications on a Personal Computer
Geophysical Service (Malaysia) Sdn. Bhd.
Geological Society of Malaysia (GSM)
.... Offset VSP data displayed in the depth-time domain are not easily interpreted away from the borehole. This is because a trace recorded at a given depth...
1989
Prediction and removal of internal multiples using an improved CFP approach
Zhiheng Jiang, Yongqiang Yao, Pengzhi Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the frequency domain. In the process of calculation, we need to make differential time shift (DTS) spectrum under the condition of equal travel time...
2022
Deep learning to predict subsurface properties from injected CO2 plume bodies using time-lapse seismic shot gathers
Son Phan, Wenyi Hu, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
... between the depth domain property contrast and the time domain seismic response to CO2 injection and plume body migration using a fully processed baseline...
2022
Prospect Evaluation Methodology of Structure Trap in Subandean Basin, Bolivia
P. Bonillo Martinez, W. Prayitno, T. Zapata
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... domain (above), and the depth conversion (below). The green dashed line shows the regional décollement dip after the removal of the velocity time pull...
2003
Verification of dynamic strain field measurements made with DAS during active-source vibration by quantitative comparison to geophones
Peter G. Hubbard, Joseph Vantassel, Brady R. Cox, James W. Rector, Michael Yust, Kenichi Soga
International Meeting for Applied Geoscience and Energy (IMAGE)
...-coherent optical time domain reflectometry (φ-OTDR) style DAS units make measurements that are consistent in phase with measurements made by other...
2022
UK Continental Shelf: An Evolution in 3D Seismic Imaging of the Central North Sea
Matthew Dack, Gregor Duval, CGG
GEO ExPro Magazine
... a series of surveys acquired with Figure 1: Comparison made in the Two-Way Time domain between the legacy TomoML PSDM and the new Evolution PSDM data...
2021
Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique
Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu
Unconventional Resources Technology Conference (URTEC)
... time domain into ① Select the reasonable pilot traces at near offsets and determine the ② effective target frequency range; ③ake frequency...
2015
Integrated Interpretation of Microseismic and Seismic Data in a Tight Sandstone Reservoir
Jinling Du, Jing Zhang, Gang Xu, Xiaoping Wan, Xiaoping Sun
Unconventional Resources Technology Conference (URTEC)
... Seismic data is in time domain, and micro-seismic data is in depth domain, so matching the time domain seismic data to the depth domain micro-seismic...
2015