Modeling two-phase fluid and heat flows in geothermal wells (Record no. 174940)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 02246nab a2200193 4500 |
| 008 - CÓDIGOS DE INFORMACIÓN DE LONGITUD FIJA - INFORMACIÓN GENERAL | |
| Campo de control de longitud fija | 260224s2010 xxu |
| 100 1# - RESPONSABLE PERSONAL | |
| Apellido, Nombre | Hasan, A.R. |
| 9 (RLIN) | 19961 |
| 100 1# - RESPONSABLE PERSONAL | |
| Apellido, Nombre | Kabir, C.S. |
| 9 (RLIN) | 15994 |
| 245 00 - TITULO | |
| Título | Modeling two-phase fluid and heat flows in geothermal wells |
| 260 ## - PUBLICACION, DISTRIBUCION, ETC | |
| Fecha de publicación, distribución, etc. | mar. 2010 |
| 270 ## - FECHA DE CARGA | |
| Fecha de carga | 12/07/2010 ; 12/07/2010 |
| 300 ## - DESCRIPCION FISICA | |
| Otra extensión | 10 p. ; 77-86 |
| 520 ## - RESUMEN, ETC | |
| Resumen | Transcripción del resumen del autor. This study presents a robust model for a two-phase flow in geothermal wells using the drift-flux approach. For estimating the static head, we use a single expression for liquid holdup, with flow-pattern-dependent values for flow parameter and rise velocity that gradually changes near the transition boundaries to avoid discontinuity in the estimated gradients. Frictional and kinetic heads are estimated with the simple homogeneous modeling approach. As the geothermal fluids ascend up the well, loss of both momentum and heat occurs. The consequent pressure loss often leads to flashing and increase in steam fraction (quality) despite heat loss. Accurate estimation of heat loss, which leads to significant changes in fluid properties influencing pressure-drop, is, therefore, important in modeling flow in geothermal wells. Heat transfer from the wellbore fluid to the surrounding formation is rigorously modeled by treating the wellbore as a heat sink of finite radius in an infinite-acting medium (formation) and accounting for the resistances to heat transfer by various elements of the wellbore. We present a comparative study involving the new model and those that are often used for geothermal wells. These models include those of Ansari et al.'s, Orkiszewski's, Hagedorn and Brown's, and the homogeneous model. The main ingredient of this study entails the use of a small but reliable dataset. Statistical analyses suggest that all the models behave similarly, although the proposed model offers marginally greater accuracy and simplicity of use. Uncertainty of performance appears to depend upon the quality of data input, rather than the model characteristics. |
| 581 ## - ESTADO DE COLECCIÓN | |
| Estado de colección | 1-2 |
| 773 0# - CORRECCIÓN | |
| Título | Journal of Petroleum Science & Engineering |
| Partes relacionadas | 71 |
| 942 ## - DESC. DE MATERIAL | |
| Tipo de item KOHA | Artículo de Revista |
| Biblioteca propietaria | Biblioteca actual | Fecha de adquisición | Inventario | Total de préstamos | Inventario | Fecha de carga | Tipo de item KOHA |
|---|---|---|---|---|---|---|---|
| Biblioteca Alejandro Angel Bulgheroni | Biblioteca Alejandro Angel Bulgheroni | 05/03/2026 | 200046818 | 200046818 | 05/03/2026 | Artículo de Revista |
