Formation permeability at the feedzone of geothermal wells employing inflow type-curves
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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional Autónoma de México
2001
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| _version_ | 1876456106991026176 |
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| author | Sara L. Moya |
| author_facet | Sara L. Moya |
| contents | Formation permeability at the feedzone of geothermal wells employing inflow type-curves Sara L. Moya Daniel Uribe Alfonso Aragón Alfonso García Ciencias de la Tierra curves inflow type methodology output curves discharge tests Geothermal Inflow Performance Relationships (GIPR) may be used to estimate formation permeability, by overlapping thewell inflow curve with different theoretical GIPR curves. This method does not require field measurement of the well inflowcurve. The complete well inflow curve is obtained from a single wellhead or bottomhole measurement of mass flowrate (W),pressure (P) and specific enthalpy (h), and from the static pressure at the well feedzone (Ps). Wellhead data of previous dischargetests from six wells of the Los Azufres geothermal field are used. The permeabilities obtained by the proposed method are in theright range as referred to a reservoir thickness of 100 m. The difference between calculated and field data is on the order of 6% forwellhead pressure and 2% for specific enthalpy when uncertainty of the field data is low. Inflow type-curves include the effects ofundisturbed reservoir initial conditions, fluid and formation properties and cumulative mass production, for two-phase inflow.Skin effects were disregarded. 2001 artículo científico 0016-7169 https://www.redalyc.org/articulo.oa?id=56840302 en http://www.redalyc.org/revista.oa?id=568 Geofísica Internacional application/pdf Universidad Nacional Autónoma de México Geofísica Internacional (México) Num.3 Vol.40 |
| format | Artículo científico |
| id | redalyc_56840302 |
| institution | Redalyc |
| language | en |
| publishDate | 2001 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Formation permeability at the feedzone of geothermal wells employing inflow type-curves Sara L. Moya Ciencias de la Tierra curves inflow type methodology output curves discharge tests Formation permeability at the feedzone of geothermal wells employing inflow type-curves Sara L. Moya Daniel Uribe Alfonso Aragón Alfonso García Ciencias de la Tierra curves inflow type methodology output curves discharge tests Geothermal Inflow Performance Relationships (GIPR) may be used to estimate formation permeability, by overlapping thewell inflow curve with different theoretical GIPR curves. This method does not require field measurement of the well inflowcurve. The complete well inflow curve is obtained from a single wellhead or bottomhole measurement of mass flowrate (W),pressure (P) and specific enthalpy (h), and from the static pressure at the well feedzone (Ps). Wellhead data of previous dischargetests from six wells of the Los Azufres geothermal field are used. The permeabilities obtained by the proposed method are in theright range as referred to a reservoir thickness of 100 m. The difference between calculated and field data is on the order of 6% forwellhead pressure and 2% for specific enthalpy when uncertainty of the field data is low. Inflow type-curves include the effects ofundisturbed reservoir initial conditions, fluid and formation properties and cumulative mass production, for two-phase inflow.Skin effects were disregarded. 2001 artículo científico 0016-7169 https://www.redalyc.org/articulo.oa?id=56840302 en http://www.redalyc.org/revista.oa?id=568 Geofísica Internacional application/pdf Universidad Nacional Autónoma de México Geofísica Internacional (México) Num.3 Vol.40 |
| title | Formation permeability at the feedzone of geothermal wells employing inflow type-curves |
| topic | Ciencias de la Tierra curves inflow type methodology output curves discharge tests |
| url | https://www.redalyc.org/articulo.oa?id=56840302 |