A well deliverability model for non-Darcian flow in geothermal reservoirs

  • Authors:

  • I. Borsi;L. Fusi;F. Rosso;A. Speranza

  • Affiliations:

  • Universití degli Studi di Firenze, Dipartimento di Matematica "Ulisse Dini," Viale Morgagni 67/A, I-50134 Florence, Italy;Universití degli Studi di Firenze, Dipartimento di Matematica "Ulisse Dini," Viale Morgagni 67/A, I-50134 Florence, Italy;Universití degli Studi di Firenze, Dipartimento di Matematica "Ulisse Dini," Viale Morgagni 67/A, I-50134 Florence, Italy;Universití degli Studi di Firenze, Dipartimento di Matematica "Ulisse Dini," Viale Morgagni 67/A, I-50134 Florence, Italy

  • Venue:
  • Computers & Geosciences
  • Year:
  • 2011

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Abstract

A new numerical algorithm is proposed to estimate the deliverability of a geothermal well. The mathematical model assumes a single-component fluid. The model accounts for both the phase change phenomenon and the non-Darcian behavior of the flow. The contemporaneous presence of both effects has to the authors' knowledge never been fully taken into account. Provided that the numerical solution is based on a finite differences or finite volumes method, the numerical code we developed (called DNDmultiphase) can be plugged as an additional module into existing codes devoted to simulations of a whole reservoir (such as TOUGH2 or HYDROTHERM).