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The AAPG/Datapages Combined Publications Database
Showing 1,734 Results. Searched 195,452 documents.
Joint data and physics model driven full-waveform inversion using CMP gathers and well-logging data
Shuliang Wu, Jianhua Geng
International Meeting for Applied Geoscience and Energy (IMAGE)
..., FWI is a high nonlinear inverse problem (Virieux and Operto, 2009). Therefore, conventional model driven FWI usually requires a good initial velocity...
2023
Tomography Techniques Applied to Near Surface Velocity Models in Complex Areas of Colombia
Jorge Monsegny, Saúl Guevara
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... tomographic techniques have been developed around the world and they can be divided in linear and nonlinear ones. The linear techniques include...
2008
Application of a Pipe Stability Model for Predicting Critical Loading Conditions in Slim Holes
Ferda Akgun, Bill J. Mitchell, Sheikh S. Rahman
Southeast Asia Petroleum Exploration Society (SEAPEX)
...” are examples of the use of linear buckling models. Nonlinear models are thought to be more realistic and applicable to oilfield drill pipe. Analytical solutions...
1996
Convolution model theory-based intelligent AVO inversion method for VTI media
Yuhang Sun, Yang Liu, Hongli Dong
International Meeting for Applied Geoscience and Energy (IMAGE)
... this combined model to effectively capture the strong nonlinear relationship between seismic data and elastic parameters. In our combined neural network...
2023
A denoising diffusion probabilistic modeling (DDPM) approach for predicting CO2 plume evolution from seismic shot gathers
Alexander Y. Sun, Zi Xian Leong, Tieyuan Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... to convert seismic data to CO2 plume estimates is highly nonlinear and challenging because of uncertainty in geological and petrophysical properties. Deep...
2023
Pyseis: A high-performance, user-friendly Python package for GPU-accelerated seismic modeling and subsurface imaging
Stuart Farris, Guillaume Barnier, Ettore Biondi, Robert Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
..., enabling it to employ linear and nonlinear optimization schemes for a variety of geophysical research problems (Biondi et al., 2021). This includes...
2023
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)
... statistics is not always appropriate (Crase et al., 1990), especially in nonlinear problems (Tarantola, 2005) like FWI. For this reason, different...
2023
Implementation of Seismic Data Quality Characterisation Using Supervised Deep Learning
Joshua Thorp, Krista Davies, Julien Bluteau, Peter Hoiles
Australian Petroleum Production & Exploration Association (APPEA) Journal
... Seismic data continue to be a highly complex and nonlinear data type with many variables that affect final data quality. However, the geoscientist...
2020
A Proposed Solution to the Challenge of Producing Oil Reserves from Offshore Marginal Fields in the Natuna Sea of Indonesia
F. H. Rodriguez, B. Peribere
Indonesian Petroleum Association
... by Finite Element and Non-Linear Programming Methods", in "Computational Methods in Nonlinear programming Methods", in "Computational Methods in Nonlinear...
1986
Cross-Well Seismology: A New Production Tool
B. N. P. Paulsson, R. T. Langan
Indonesian Petroleum Association
... traveltimes. The traveltime inversion is nonlinear because the raypaths, as well as the traveltimes, are functions of the velocity field. A common approach...
1988
Application of the Newton - Raphson Iteration Method for Predicting Gas Flow Performance in a Pipeline
Leksono Mucharam, Andreas Andhy, Suprahadi Hasan
Indonesian Petroleum Association
... of equations which are nonlinear. An iteration procedure is required to solve such equations. The Newton-Raphson iteration method has been implemented to solve...
1992
PVT Correlations for Indonesian Crude Oils
Madjedi Hasan, Lestari, Inawati
Indonesian Petroleum Association
...-Marhoun has used only nonlinear multiple regression analysis and a trial-and-error method which was further refined by linear regression analysis...
1993
Obtaining Low Frequencies for Full Waveform Inversion by Using Augmented Physics
Eldad Haber, Eran Treister, Elliot Holtham
Petroleum Exploration Society of Australia (PESA)
... data in the frequency or time domain are being fitted by changing the velocity of the media under investigation. The problem is nonlinear...
2016
Petrophysical Interpretation of Multi-Frequency Electromagnetic Measurements in Clay- and Conductive-Mineral-Rich Mudrocks
Siddharth Misra, Yifu Han
Unconventional Resources Technology Conference (URTEC)
... the solution of this nonlinear inverse problem by simultaneously matching the relative permittivity and conductivity at various measurement frequencies...
2016
Stratigraphic Distribution of Hydrocarbons with Differing API Gravities in the East Texas Basin
Rob Conti
GCAGS Transactions
... low, data-density trends were used instead to determine API gravity's nonlinear relation with depth; then formation temperature and rate of burial. API...
1982
Stress-Dependent Permeability and Dynamic Elastic Moduli of Reservoir and Seal Shale
Daisuke Katsuki, Anton Padin Deben, Olawale Adekunle, Andrew J. Rixon, Azra N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... sedimentary rocks, Hydrol. Earth Syst. Sci. Discuss., V. 3, 1315-1338. Tutuncu A. N., Podio A. L., Gregory A. R. and Sharma M.M., 1998, Nonlinear viscoelastic...
2016
Shale Activity Test and Shale Reservoir, Shale Seal and Well Stability Properties Characterization
Konstandinos Zamfes
Unconventional Resources Technology Conference (URTEC)
... on Woodbine shale in Texas. The 3 types of shale are 1. Periodic micro-swelling to non-swelling shale. 2. Nonlinear swelling shale...
2017
Clay-Mineral Segregation by Differential Flocculation: Jourdan River / St. Louis Bay Estuary, Hancock County, Mississippi
Gregory J. McRae , Jesse O. Snowden
GCAGS Transactions
... to salinity becomes nonlinear. This coincides with the greatest decline in the relative amount of suspended kaolinite in the study area. Seaward...
1988
Geological Observations and Parameterizations
Marten A. Perlmutter, Poppe L. De Boer, James R. L. Syvitski
Special Publications of SEPM
... wereally need to constrain input parameters How well do we understand the nonlinear characteristics of natural systems and how are these characteristics...
1999
Is GOR Truly Affecting Recovery? A Multi-variate Case Study in the Delaware Basin
Riteja Dutta, Sam Dawson, Michael Maler
Unconventional Resources Technology Conference (URTEC)
... increasing GOR trend for wells completed in the Wolfcamp A in the past five years. A nonlinear multi-variate model predicts higher 6-month GOR in the western...
2018
Application of Machine Learning for Production Forecasting for Unconventional Resources
Cheng Zhan, Sathish Sankaran, Vincent LeMoine, Jeremy Graybill, Didi-Ooi Sher Mey
Unconventional Resources Technology Conference (URTEC)
.... Forecasting is highly challenging in many domains with complex multivariate correlation structures and nonlinear dynamics. We have utilized existing...
2019
A Physics-Guided Deep Learning Predictive Model for Robust Production Forecasting and Diagnostics in Unconventional Wells
Syamil Mohd Razak, Jodel Cornelio, Young Cho, Hui-Hai Liu, Ravimadhav Vaidya, Behnam Jafarpour
Unconventional Resources Technology Conference (URTEC)
... model is illustrated in Figure 1, where components 𝐼) , 𝑂* and 𝑂+ are composed of multiple fully-connected layers with nonlinear activations (i.e....
2021
4D Seismic Monitoring of Gas Production and CO2 Sequestration, North West Australia
David Lumley
Petroleum Exploration Society of Australia (PESA)
... u .::.:. e u 0 0.1 0.2 0.3 0.4 0.5 0.6 C02 Saturation Fig. 3. Seismic P-wave velocity versus gas or C02 saturation. The dark blue nonlinear...
2010
The Diminishing Returns of Lateral Length Across Different Basins
Alexander Cui, Ted Cross
Unconventional Resources Technology Conference (URTEC)
... to disentangle the complex, nonlinear relationships to generate estimates of lateral length production efficiency across the major unconventional plays in the US...
2022
Settling Velocity, Diameter, and Density for Flocs of Illite, Kaolinite, and Montmorillonite
Ronald J. Gibbs
Journal of Sedimentary Research (SEPM)
... nonlinear trends. The equations for these curves, relating the settling velocities and floc diameter, are illite V = 0.95 D0.645...
1985