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  • [June 20, 2017]

    Advances in Unconventional Petroleum Reservoirs

  • Speaker:
    Yu-Shu Wu
    Tuesday, June 20, 2017
    Room 301, Founder Building
    Yuan Di
  • Abstract
  • During the past two decades, the oil and gas industry in North America has been successfully evolved into the era of commercially developing unconventional oil and gas plays. In this talk, “unconventional reservoirs” mainly refers to shale gas, tight gas, and tight oil reservoirs. Currently, about three quarters of the natural gas production and more than one third of the total petroleum liquids produced in the U.S. were contributed by unconventional reservoirs. These numbers are predicted to keep increasing in the next few decades. Meanwhile, great success in North America enables unconventional resources to gain more and more attention in other countries, e.g., China and Argentina. Nonetheless, the estimated ultimate recovery (EUR) of unconventional reservoirs is very low, i.e., less than 10% for tight oil and less than 30% for shale gas. The fractured horizontal wells generally decline to 10-20% of their initial production rates in 1-2 years, leaving neither the hydrocarbon recovery nor the investment utilization maximized. Therefore, in the past few years, some traditional and new improved oil recovery (IOR) and enhanced oil recovery (EOR) methods have been studied worldwide. In this talk, we will discuss the following topics: (a) Unconventional Petroleum Resources; (b) Fluid Storage, Flow and Simulation Approaches; and (c) IOR/EOR Practice.
  • Biography
  • Yu-Shu Wu is a professor, Foundation CMG Reservoir Modeling Chair, and director of Energy Modeling Group (EMG) research center in the Petroleum Engineering Department at the Colorado School of Mines (CSM), USA. He is a fellow of the Geological Society of America. At CSM, he teaches and carries out research in reservoir engineering, multiphase fluid and heat flow, geomechanics, unconventional oil and gas reservoir dynamics, CO2 geosequestration and EOR, geothermal engineering, and numerical reservoir simulation. He leads the EMG in its research effort in (1) flow dynamics in unconventional oil and gas reservoirs; (2) coupled processes of multiphase fluid and heat flow, geomechanics, and chemical transport in porous and fractured media; (3) CO2 sequestration and EOR application; (4) improved formation stimulation/cryogenic fracturing technologies; and (5) advanced reservoir-simulation technologies. Previously, he was a staff scientist with the Earth Sciences Division of Lawrence Berkeley National Lab oratory for 14 years (1995–2008). During his career, he has authored or coauthored 120+ peer-reviewed journal papers and 17 peer-reviewed books/chapters as well as 62 SPE papers.