Earth Sciences Division (ESD) Department of Energy (DOE) Lawrence Berkeley National Laboratory (LBNL)

Tianfu Xu's Publications

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Publications

(Citations on August 28, 2009, total 360)

  1. Xu, T., J. Samper, C. Ayora, M. Manzano, and E. Custodio, Modeling of non-isothermal multi-component reactive transport in field-scale porous media flow system, Journal of Hydrology, v. 214, p. 144-164, 1999.     (55 SCI citations)
  2. Xu, T., K. Pruess, and G. Brimhall. An improved equilibrium-kinetics speciation algorithm for redox reactions in variably saturated flow systems, Computers & Geosciences, v. 25(6), p. 655 -666, 1999.     (9 SCI citations)
  3. Xu, T., K. Pruess, and G. Brimhall, Oxidative weathering chemical migration through an unsaturated-saturated medium, Contribution to Chapter 5 of “Vadose Zone Science and Technology Solutions”  book, Edited by Westinghouse Savannah River Company for U. S. Department of Energy, 2000.
  4. Xu, T., S. P. White, K. Pruess, and G. H. Brimhall, Modeling of pyrite oxidation in saturated and unsaturated  subsurface flow systems, Transport in porous media, v. 39, p. 25-56, 2000.     (17 SCI citations)
  5. Xu, T., and Pruess, K., On fluid flow and mineral alteration in fractured caprock of magmatic hydrothermal systems, Journal of geophysical Research, v. 106(B2), p. 2121-2138, 2001.     (12 SCI citations)
  6. Xu, T., and K. Pruess, Modeling multiphase non-isothermal fluid flow and reactive geochemical transport in variably saturated fractured rocks:  1. Methodology, American Journal of Science, v. 301, p. 16-33, 2001.     (50 SCI citations)
  7. Xu, T., E. Sonnenthal, N. Spycher, K. Pruess, G. Brimhall, and J. Apps, Modeling multiphase non-isothermal fluid flow and reactive geochemical transport in variably saturated fractured rocks:  2. Applications to supergene copper enrichment and hydrothermal flows, American Journal of Science, v. 301, p. 34-59, 2001.     (14 SCI citations)
  8. Xu, T., E. Sonnenthal, and G. Bodvarsson, A reaction-transport model for calcite precipitation and evaluation of infiltration-percolation fluxes in unsaturated fractured rock, Journal of Contaminant Hydrology, v. 64, p. 113 - 127, 2003.      (9 SCI citations)
  9. Xu, T, J. A. Apps, and K. Pruess, Reactive geochemical transport simulation to study mineral trapping for CO2 disposal in deep arenaceous formations, Journal of Geophysical Research, v. 108 (B2), 2071, doi:10.1029/2002JB001979, 2003.     (28 SCI citations)
  10. Pruess, K., Xu, T., Apps, J., and García, J., Numerical modeling of aquifer disposal of CO2, Paper SPE-83695, SPE Journal, p. 49-60, 2003.     (19 SCI citations)
  11. Kiryukhin, A., T. Xu, K. Pruess, J. Apps, and I. Slovtsov, Thermal-hydrodynamic-chemical (THC) modeling based on geothermal field data, Geothermics, v. 33(3), p. 349-381, 2004.     (4 SCI citations)
  12. Pruess, K., J. García, T. Kovscek, C. Oldenburg, J. Rutqvist, C. Steefel, and T. Xu, Code intercomparison builds confidence in numerical simulation models for geologic disposal of CO2, Energy, v. 29, p. 1431-1444, 2004.     (23 SCI citations)
  13. Todaka, N., C. Akasaka, T. Xu, and K. Pruess, Reactive geothermal transport                            simulations to study the formation mechanism of an impermeable barrier between acidic and neutral fluid zones in the Onikobe Geothermal Field, Japan, Journal of Geophysical Research, v. 109, B05209, doi:10.1029/2003JB002792, 2004.      (3 SCI citations)
  14. Pruess, K., and T. Xu, Numerical Simulation of Reactive Flow in Hot Aquifers by Christoph Clauser (Ed.), Springer-Verlag, Berlin, Heidelberg, New York, Geothermics, 33, 213-215, 2004.    
  15. Xu, T., Y. Ontoy, P. Molling, N. Spycher, M. Parini, and K. Pruess, Reactive transport modeling of injection well scaling and acidizing at Tiwi Field, Philippines, Geothermics, v. 33(4), p. 477-491, 2004.     (11 SCI citations)
  16. Xu, T, J. A. Apps, and K. Pruess, Numerical simulation of CO2 disposal by mineral trapping in deep aquifers, Applied Geochemistry, 19, 917-936, 2004.    (50 SCI citations)
  17. Xu, T, J. A. Apps, and K. Pruess, Mineral alteration due to injection of CO2, H2S and SO2 in deep arkosic formations, in Water Rock Interaction (WRI-11) edited by Richard B. Wanty & Robert R. Seal, p. 601-605, A.A. Balkema, London, 2004. (A peer-reviewed book chapter)
  18. Kim, J., F.W. Schwartz, T. Xu, and J. Shi, Coupled processes of fluid flow, solute transport and geochemical reactions in reactive barriers, Vadose zone Journal, 2004(3), p. 867-874, 2004.     (1 SCI citations)
  19. Xu, T, J. A. Apps, and K. Pruess, Mineral sequestration of carbon dioxide in a sandstone-shale system, Chemical Geology, v. 217(3-4), p. 295-318, 2005. DOI information: 10.1016/j.chemgeo.2004.12.015, 2005.     (31 SCI citations)
  20. Xu, T., CO2 geological sequestration, China Encyclopedic Knowledge (a China popular science magazine), 307(2), 34-35, 2005.
  21. Sonnenthal, E., T. Xu, and G. Bodvarsson, Reply to “Commentary: Assessment of past infiltration fluxes through Yucca Mountain on the basis of the secondary mineral record—is it a viable methodology?”, by Y.V. Dublyansky and S.Z. Smirnov, Journal of Contaminant Hydrology, v. 77(3), p. 225-231, 2005.
  22. Xu, T., E.L. Sonnenthal, N. Spycher, and K. Pruess, TOUGHREACT - A simulation program for non-isothermal multiphase reactive geochemical transport in variably saturated geologic media: Applications to geothermal injectivity and CO2 geological sequestration, Computer & Geoscience, v. 32/2 p. 145-165, 2006.     (26 SCI citations)
  23. Randolph, A., W. Zhou, T. Xu, K. Pruess, B. Stromberg,  Experimental calibration of a reactive-transport model of buffer cementation, Chinese Journal of Rock Mechanics and Engineering, v.25, p., 2006.
  24. Xu, T., Geochemical processes in CO2 Geological Sequestration, A Chapter of Book  “Carbon Capture & Sequestration” (Editor: Elizabeth J. Wilson and David Gerard), Blackwell Publishing, 2007.
  25. Xu, T., J. A. Apps, K. Pruess, and H. Yamamoto, Numerical modeling of injection and mineral trapping of CO2 with H2S and SO2 in a sandstone formation, Chemical Geology, v. 242/3-4, p. 319-346, 2007.     (9 SCI citations)
  26. Audigane, P., I. Gaus, I. Czernichowski-Lauriol, K. Pruess and T. Xu.  Two-dimensional reactive transport modeling of CO2 injection in a saline aquifer at the Sleipner Site, American Journal of Science, v. 307, p. 974-1008, 2007.     (2 SCI citations)
  27. Gherardi, F., T. Xu, and K. Pruess, Numerical modeling of self-limiting and self-enhancing caprock alteration induced by CO2 storage in a depleted gas reservoir, Chemical Geology, v. 244, p. 103-129, 2007. (4 SCI citations)
  28. Lu, G., T. Xu, Solubility enhanced immobility of neptunium in the unsaturated zone at Yucca Mountain, Nevada, Submitted to Nuclear Technology, In press, 2008.
  29. Zhang, G., N. Spycher, E. Sonnenthal, C. Steefel, and T. Xu, Implementation of a Pitzer Activity Model into TOUGHREACT for modeling concentrated solutions, Nuclear Technology, v. 164, p. 180-195, 2008.
  30. Birkle, P., K. Pruess, T. Xu, R.A. Hernandez-Figueroa and M. Diaz-Lopez, Using laboratory flow experiments and reactive chemical transport modeling for designing waterflooding of the Agua Fría Reservoir, Poza Rica-Altamira Field, Mexico, paper SPE 103869-PP, SPE Reservoir Evaluation and Engineering, p. 1029-1045, 2008.
  31. Finsterle, S., C. Doughty, M.B. Kowalsky, G.J. Moridis, L. Pan, T. Xu, Y. Zhang, and K. Pruess, Advanced vadose zone simulation using TOUGH, Vadose Zone Journal, v. 2008-7, p. 601-609, 2008.
  32. Maggi, F., C. Gu, W. J. Riley, G.M. Hornberger, R.T. Venterea, T. Xu, N. Spycher, C.I. Steefel, and N.L. Miller, Mechanistic modeling of biogeochemical nitrogen cycling: model development and application in an agricultural system, J. Geophys. Res. (Biogeosciences), J. Geophys. Res., 113, doi:10.1029/2007JG000578, 2008.
  33. Xu, T., R. Senger, and S. Finsterle, Corrosion-induced gas generation in a nuclear waste repository: Reactive geochemistry and multiphase flow effects, Applied Geochemistry, v.23, p. 3423-3433, 2008.
  34. Xu, T., Incorporation of aqueous reaction kinetics and biodegradation into TOUGHREACT: Application of a multi-region model to hydrobiogeochemical transport of denitrification and sulfate reduction, Vadose Zone Journal, February issue, p. 305-315, 2008. doi: 10.2136/vzj2006.0130, 2007.
  35. Gu, C., F. Maggi, W. J. Riley, G. M. Hornberger, T. Xu, C. M. Oldenburg, N. Spycher, N. L. Miller, R. T. Venterea, and C. I. Steefel, Aqueous and Gaseous Nitrogen Losses Induced by Fertilizer Application, J. Geophys. Res., doi:10.1029/2008JG000788, 2008.
  36. Zhang, W., Li, Y., Xu, T., Cheng, H., Zheng, Y., Xiong, P., Long-term variations of CO2 trapped in different mechanisms in deep saline formations: A case study of the Songliao Basin, China, Greenhouse Gas Control Technologies, v3(2), p. 161-180, 2009.
  37. Xu, T., Rose, P., Fayer, S., Pruess, K., On modeling of chemical stimulation of an enhanced geothermal system using a high pH solution with chelating agent, Submitted to Geofluid, v. 9, p. 167-177, 2009.
  38. Samper, J., T. Xu, C. Yang, A sequential partly iterative approach for multicomponent reactive transport with CORE2D, Computational Geosciences, v. 13, p. 301-316, 2009. DOI 10. 1007/s10596-008-9119-5.
  39. Ito, T., Xu, T., Sakurai, M., Sekine, K., A concept of in-situ reaction method to remedy leakage from geological CO2 storage reservoirs, Greenhouse Gas Control Technologies, Submitted, 2009.
  40. Xu, T., Zhang, We., Pruess, K., Reaction-driven density increase and convection mixing for Long-Term CO2 Storage in a Saline Sandstone Formation, Transport in Porous Media (special issues on CO2 geological sequestration), Submitted, In revising process, 2009.

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