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Rapid Estimation of Water Content of Sour Natural Gases
Natural gas Water content Sour gas Correlation Gas processing Acid gas
2010/9/8
Water is associated with natural gas from the reservoir, through production and processing and is a concern in transmission. Also the water content of sour natural gases is an important parameter in t...
Relative Permeability Estimation by Ensemble Kalman Filter Using Function Transformation
Ensemble Kalman filter Function transformation Relative permeability Automatic history matching Sequential data assimilation
2010/9/8
The application of the ensemble Kalman filter (EnKF) using function transformation to the estimation of relative permeability is presented. Inconsistent values may be calculated in the filtering proce...
Estimation of Gas Composition and Cage Occupancies in CH4-C2H6 Hydrates by CP-MAS 13C NMR Technique
Gas hydrate Natural gas Gas composition Cage occupancy 13C NMR
2009/7/28
CP-MAS 13C NMR measurements were carried out on mixed gas hydrates containing CH4-C2H6. The changes in NMR chemical shift values for CH4 and C2H6 clearly corresponded to the structural changes in the...
New Low Vapor Pressure Estimation Method for Polar Compounds
Vapor pressure estimation Polynomial equation Genetic algorithm
2009/7/28
Vapor pressure estimation for polar compounds is very important in environmental chemistry. Most vapor pressure estimation equations are based on the Clausius-Clapeyron equation. Such equations are ex...
Estimation of Coke and Metal Deposition Distribution within Hydrodesulfurization Catalyst Pore at the Last Stage of Operation
Hydrodesulfurization Model equation Thiele modulus Metal distribution estimation
2009/7/24
Hydrodesulfurization (HDS) of atmospheric residue (AR) carried out over Ni-Mo or Co-Mo catalyst requires a sudden increase in the reaction temperature for the desired desulfurization at the end of op...
Measurement of heat generation in drill bits under simulated drilling conditions and estimation of temperatures in drill bits during drilling
heat generation in tri-cone bits cooling effect by circulation fluid
2009/4/24
In high-temperature formation drilling, the life of drill bits becomes shorter due to thermal damage to the O-ring seal set in the bearing part. An increase in the formation temperature has been rega...
Issues and status of 3D seismic reservoir property estimation
3D seismic survey reservoir characterization seismic attribute
2009/4/24
This document seeks to review and summarize issues about 3D seismic reservoir characterization and current technology trends for overcoming such issues. We list major difficulties in quantitative res...
Reservoir thickness estimation of a fluvial system in an onshore basin, Australia
Sequence stratigraphy visualization geostatistics fluvial reservoir
2009/4/24
The effective production of hydrocarbons from the Birkhead Formation in the Eromanga Basin, onshore Australia relies on understanding the complex distribution of reservoir and seal rocks deposited i...