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The AAPG/Datapages Combined Publications Database
Showing 1,264 Results. Searched 200,630 documents.
Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector
Xuan Ke, Mauricio Sacchi, Ying Shi
International Meeting for Applied Geoscience and Energy (IMAGE)
... migration and damped-least-square smoothing: 79th Annual International Meeting, SEG, Expanded Abstracts, 4144–4148, doi: https://doi.org/10.1190/1.32557...
2023
Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method
Xinwen Zhang, Jianping Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... the Gardner’s empirical equations to generate the VTI parameters in model test, and the migration velocity is obtained by smoothing the true field...
2023
A new system for efficiently acquiring vertical seismic profile surveys
Tim Dean, Nghia Nguyen, Brenton Armitage, Huw Rossiter
Petroleum Exploration Society of Australia (PESA)
... unrealistically large variations and require smoothing, removing the high resolution gained from the small sampling intervals. Figure 2. Raw interval...
2018
A graph-space optimal transport FWI approach based on κ-generalized Gaussian distribution
Sérgio Luiz E. F. da Silva, Giorgio Kaniadakis
International Meeting for Applied Geoscience and Energy (IMAGE)
... is kinematically inaccurate and a ”generator” of cycleskipped data. This model was constructed by applying a Gaussian smoothing operator with a standard...
2023
High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach
Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal
Indonesian Petroleum Association
... by structural dip-based directional smoothing with steering filters during the preconditioning step of tomography (Bakulin et al., 2010) to provide...
2014
Imaging challenges at Gulf of Papua (PNG) and their solutions through high-end imaging technology
Zongying Gong, Subhash Chandra, Xiaodong Wu, Yajing Li, Min Zhi, Michael Szczepaniak, Barry Hung
Petroleum Exploration Society of Australia (PESA)
... THE ABSORPTION MODEL The starting model for FWI is from the 2010 vintage PSTM velocity converted to depth with proper smoothing. Here, diving waves...
2019
Diffusion regularization for multi-parameter near-surface elastic full-waveform inversion
Mohammad Hasyim Taufik, Fu Wang, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
...sian smoothing with a standard deviation of 10 and 30 along the vertical and horizontal directions to the actual models. During the inversion, we f...
2024
Multi-conditional seismic velocity synthesis using an autoregressive transformer network
Randy Harsuko, Shijun Cheng, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... and FlatVelHR. The first is obtained by smoothing the CurveVel class, representing smooth velocity models (e.g., as initial models for Fourth International...
2024
Metal Earth: Role of multidisciplinary geophysical methods to improve knowledge of mineral deposition across Precambrian rocks
Esmaeil Eshaghi, Richard Smith, Mostafa Naghizadeh, Graham James Hill, Eric Roots, Amir Maleki Ghahfarokhi, Saeid Cheraghi, John Ayer
Petroleum Exploration Society of Australia (PESA)
... on robust static solutions, detailed velocity analysis, minimal trace smoothing, and high-resolution imaging. The overall data quality was good and fairly...
2019
Conditions of Formation of the Oil Pools of the Paleozoic Sediments of the Tatar Domal Uplift
G. P. Ovanesov, A. R. Kinzikeyev
Petroleum Geology: A Digest of Russian Literature
... in the quality of the oils and fluids, although significant, is more or less gradual. Smoothing out of the charaeteristics of the oils takes place...
1966
Nonlinear time difference detection of seismic image based on image registration
Rongwei Xu, Huazhong Wang, Bo Feng, Chengliang Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
...: PB, using constraints to impose restrictions on the solution. This step primarily involves smoothing the matrix and checking for any instances...
2024
Permeability Prediction Using Projection Pursuit Regression in the Abadi Field
Ricardo Oentoe, Kentaro Hasebe, Masahiko Nomura
Indonesian Petroleum Association
... In this process, the number of functions and smoothing control for regression spline fits were determined through generalized cross validation (Wahba, 1980...
2016
All that wobbles isnt necessarily azimuthal anisotropy
Helen Debenham, Jennifer Badry, Mohamed Megebry
Petroleum Exploration Society of Australia (PESA)
... constraints, and in this case, the ability to perform directional smoothing consistent with the geologic dip direction of the seismic data was key...
2019
Giant Oil Fields of North America
J. D. Moody , J. W. Mooney , J. Spivak
AAPG Special Volumes
... of 1 billion bbl. Smoothing out the size-distribution curve of ultimate recoveries (Fig. 6) by judiciously inserting the predicted 25 future giants would...
1970
Simultaneous imaging of basement relief and varying susceptibility in deep-learning approach
Zhuo Liu, Yaoguo Li
International Meeting for Applied Geoscience and Energy (IMAGE)
..., structure-oriented smoothing with edge-preserving, and seismic normal estimation by using a single convolutional neural network: Geophysical Journal...
2024
Evaluation of Radioelement Geochemistry for the Detection of Petroleum Reservoirs
D. Jay Johnson , Jerry Alliger , Robert K. Aaker
GCAGS Transactions
... converted to concentrations, the airborne data were smoothed by a seven-record running average. Smoothing the data improves the count statistics...
1985
Prediction of Overhang at Barbers Hill, Chambers County, Texas: A Study in Quantitative Calculations from Torsion-Balance Data
Donald C. Barton
AAPG Bulletin
... first to be smoothed. Seriously aberrant values were discarded. The smoothing of the others was studied by two methods: A. By replacing the dot...
1935
Performance of elastic FWI for different wrapping angles of helical fiber in seafloor-deployed DAS
Shogo Masaya, Masanori Tani
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the initial models produced by applying horizontal smoothing to the BP TTI models. We conduct two types of numerical experiments without random noises...
2024
An anti-aliasing plane wave decomposition method based on local linear Radon transform
Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., which includes smoothing the diagonal elements of the matrix W and weakening the sparse constraints on the model. Equation (8) is solved...
2024
Integrated Subsurface Temperature Modeling: Case Study of East Java Basin
Bagus Endar B. Nurhandoko, Sri Widowati , Rizal Kurniadi, M Rizal Abda, Agus Deny Purnama, Rio Martha, Susilowati, ElfaFatiah, M. Rizka Asmarahadi
Indonesian Petroleum Association
... sensors. The sensors are attached at sample and metal reference as shown in Figure 2. Sample preparation includes coring, smoothing, dimension...
2016
Implementation aspects of elastic FWI and its application to sparse OBN surveys
Cosmin Macesanu, Faqi Liu, Yi Huang, Hao Hu, Carlos Calderón
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the direction perpendicular to the interface will be modified; increased on the side with lower buoyancy (smoothing increases local buoyance...
2024
Multi-survey full-waveform inversion gradient balancing with illumination probing method
James Xu, David F. Halliday, Federico G. Andreasi, Xikai Zhao, James Rickett
International Meeting for Applied Geoscience and Energy (IMAGE)
... recording time is 10 s. All sources and receivers are placed 10 m below the sea surface. We smoothed the true model with a 500 m smoothing radius...
2024
Geomechanical Facies Model for Wolfcamp Formation (Midland Basin)
Valeri Shelokov, Mriganko Sarkar, Ray Wydrinski
Unconventional Resources Technology Conference (URTEC)
... data smoothing. In a thin-bed environment, the coarse vertical resolution masks any contrast of the geo-mechanical properties between the organic...
2017
Geographical and stratigraphical distribution of Devonian coral faunas in the USSR
V. N. Dubatolov, N. Ja. Spassky
CSPG Special Publications
... for the Givetian. In the Frasnian, the process of smoothing out of the provincial distinctions continued. Two groups of corals were developing...
1967
Engagement of Local Government for Community Empowering Through Inventories Write Off
Hani Qonitah
Indonesian Petroleum Association
... KESDM). DONATION PROCESS During the Pre-WOP and the WOP itself, the company simultaneously approached Pemerintah Daerah Kabupaten Sukabumi for smoothing...
2017