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Pressure and pressure derivative analysis for long naturally fractured reservoirs using the tds technique

ESCOBAR, FREDDY H. and HERNÁNDEZ, DIANA P. and SAAVEDRA, JULY A. (2011) Pressure and pressure derivative analysis for long naturally fractured reservoirs using the tds technique. Dyna; Vol. 77, núm. 163 (2010); 102-114 DYNA; Vol. 77, núm. 163 (2010); 102-114 2346-2183 0012-7353 .

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URL oficial: http://revistas.unal.edu.co/index.php/dyna/article...

Resumen

Normally, in a heterogeneous formation, the transition period of flow from fissures to matrix takes place during the radial flow regime. However, depending upon the value of the interporosity flow parameter, this transition period can show up before or after the radial flow regime. An accurate understanding of how the reservoir produces and the magnitude of producible reserves can lead to competent decisions and adequate reservoir management. So far, no methodology for interpretation of pressure tests under the above mentioned conditions has been presented. Currently, an interpretation study can only be achieved by nonlinear regression analysis (simulation) which is obviously related to nonunique solutions. Therefore, in this paper, a detailed analysis of pressure and pressure derivative behavior for a vertical well in an elongated closed heterogeneous formation is presented. We studied independently each flow regime, especially the dual-linear flow regime since it is the most characteristic “fingerprint” of these systems; new equations to characterize such reservoirs is introduced and were successfully verified by interpreting both field and synthetic pressure tests for oil reservoirs.

Tipo de documento:Artículo - Article
Información adicional:Derechos de autor reservados
Palabras clave:Duallinear flow regime, radial flow regime, interporosity flow parameter, dimensionless storativity coefficient
Unidad administrativa:Revistas electrónicas UN > Dyna
Código ID:27673
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :27 Junio 2014 18:52
Ultima modificación:18 Agosto 2014 18:04
Ultima modificación:18 Agosto 2014 18:04
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