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Theory and Application of Numerical Simulation of Chemical Flooding in High Temperature and High Salt Reservoirs

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Applications, theoretical analysis and numerical methods are introduced for the simulation of mechanical models and principles of the porous flow in high temperature, high salt, complicated geology and large-scale reservoirs in this paper. Considering petroleum geology, geochemistry, computational permeation fluid mechanics and computer technology, we state the models of permeation fluid mechanics and put forward a sequence of implicit upwind difference iteration schemes based on refined fractional steps of the upstream, which can compute the pressures, the saturation and the concentrations of different chemistry components. A type of software applicable in major industries has been completed and carried out in numerical analysis and simulations of oil extraction in Shengli Oil-field, which brings huge economic benefits and social benefits. This software gives many characters: spatial steps are taken as ten meters, the number of nodes is up to hundreds of thousands and simulation time period can be tens of years and the high-order accuracy can be promised in numerical data. Precise analysis is present for simplified models of this type and that provides a tool to solve the international famous problem.
Cite this paper
Yuan, Y. , Cheng, A. , Yang, D. and Li, C. (2014) Theory and Application of Numerical Simulation of Chemical Flooding in High Temperature and High Salt Reservoirs. International Journal of Geosciences, 5, 956-970. doi: 10.4236/ijg.2014.59082. 
 

[1] Ewing, R.E, Yuan, Y.R. and Li, G. (1989) Finite Element for Chemical-Flooding Simulation. Proceeding of the 7th International Conference Finite Element Method in Flow Problems, The University of Alabama in Huntsville, Huntsville, 1264-1271.
[2] Yuan, Y.R. (2013) Theory and Application of Numerical Simulation Energy Sources. Basis of Numerical Simulation of Chemical Production (Tertiary Oil Recovery), Science Press, Beijing, 257-304.
[3] Institute of Mathematics, Shandong University, Exploration Institute of Daqing Petroleum Administration (1995) Research and Application of the Polymer Flooding Software. Summary of “Eighth-Five” National Key Science and Technology Program, Grant No. 85-203-01-08.
[4] Yuan, Y.R. (1993) The Characteristic Finite Difference Method for Enhanced Oil Recovery Simulation and L2 Estimates. Science in China (A), 11, 1296-1307.
[5] Yuan, Y.R. (1994) The Characteristic Mixed Finite Element Method and Analysis for Two Dimensional Chemical Flooding Reservoir Simulation. Acta Mathematicae Applicatae Sinica, 1, 118-131.
[6] Yuan, Y.R. (1993) The Characteristic Mixed Finite Element Method for Enhanced Oil Recovery Simulation and Optimal Order L2 Error Estimate. Chinese Science Bulletin, 21, 1761-1766.
[7] China National Petroleum Corporation (1995) Evaluation Report of Executive Condition of “Eighth-Five” National Key Science and Technology Program. Grant No. 85-203-01-08.
[8] Yuan, Y.R., Yang, D.P., Qi, L.Q., et al. (1998) Research on Algorithms of Applied Software of the Polymer. In: Gang, Q.L., Ed., Proceeding on Chemical Flooding, Petroleum Industry Press, Beijing, 246-253.
[9] Yuan, Y.R. (2000) Finite Element Method and Analysis for Chemical Flow Simulation. System Science and Mathematical Sciences, 3, 302-308.
[10] Institute of Mathematics, Shandong University, Exploration Institute of Daqing Petroleum Administration (2006) Modification of Solving Mathematical Models of the Polymer and Improvement of Reservoir Description.
[11] Institute of Mathematics, Shandong University, Shengli Oilfield Branch, China Petroleum and Chemical Corporation (2011) Research on Key Technology of High Temperature and High Salinity Chemical Agent Displacement. 83-106.
[12] Ewing, R.E. (1983) The Mathematics of Reservoir Simulation. SIAM, Philadelphia.
http://dx.doi.org/10.1137/1.9781611971071
[13] Yuan, Y.R. (2002) The Upwind Difference Method for Compressible Two-Phase Displacement Problem. Acta Mathematicae Applicatae Sinica, 3, 484-496.
[14] Yuan, Y.R. (1999) The Characteristic Finite Difference Fractional Steps Method for Compressible Two-Phase Displacement Problem. Science in China (A), 1, 48-57.
http://dx.doi.org/10.1007/BF02872049
[15] Yuan, Y.R. (2003) The Upwind Finite Difference Fractional Steps Method for Two-Phase Compressible Flow in Porous Media. Numerical Methods for Partial Differential Equations, 19, 67-88.
http://dx.doi.org/10.1002/num.10036
[16] Yuan, Y.R. (2001) Characteristic Finite Difference Fractional Steps Method for Three-Dimensional Compressible Multi-Component Displacement Problem. Acta Mathematicae Applicatae Sinica, 2, 242-249.   eww141222lx
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