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Open Access Publications from the University of California

In situ upgrading of oil shale by Steamfrac in multistage transverse fractured horizontal well system

  • Author(s): Lee, KJ
  • Moridis, GJ
  • Ehlig-Economides, CA
  • et al.

© 2016 Taylor & Francis Group, LLC. We conduct numerical simulations of kerogen pyrolysis by the in situ upgrading process of Steamfrac, which entails the steam or hot-water injection into multistage transverse fractured horizontal well systems, by using a fully functional simulator developed to describe the in situ upgrading process. We first conduct simulation cases of a huff-n-puff method to analyze the sensitivity of temperature distribution of the reservoir to the positions of horizontal wells. Then, we conduct continuous hot-water injection and simultaneous fluid production cases, and analyze the productivity by applying two different irreducible saturations of aqueous phase in the rock matrix.

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