dor_id: 4132964

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336.#.#.3: Artículo de Investigación

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351.#.#.b: Geofísica Internacional

351.#.#.a: Artículos

harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/326/311

100.1.#.a: Coronado, M.; Ramírez-sabag, J.; Valdiviezo-mijangos, O.; Somaruga, C.

524.#.#.a: Coronado, M., et al. (2009). A test of the effect of boundary conditions on the use of tracers in reservoir characterization. Geofísica Internacional; Vol. 48 Núm. 2: Abril 1, 2009; 185-194. Recuperado de https://repositorio.unam.mx/contenidos/4132964

245.1.0.a: A test of the effect of boundary conditions on the use of tracers in reservoir characterization

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 2009

264.#.1.c: 2009-04-01

653.#.#.a: Trazador, soluto; soluto; condiciones de frontera; transporte; yacimiento petrolero; problema inverso; Tracer, solute; boundary conditions; transport; oil reservoir; inverse problem

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico revistagi@igeofisica.unam.mx

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001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/326

041.#.7.h: spa

520.3.#.a: Tracer tests are fundamental in characterizing fluid flow in underground formations. However, the setting of appropriate boundary conditions in even simple analytical models has historically been controversial, mainly due to the lack of sufficient physical evidence. Determining the relevance of boundary conditions on tracer test analysis becomes therefore a topic of renewed interest. The subject has been previously disscused by studying the tracer breakthrough curve sensitivity to diverse model parameter values. In our present work we examine the issue from a new practical reservoir characterization perspective. Two well–known equivalent elementary tracer transport models having different boundary conditions are matched to the same tracer test data. The resulting model parameter difference quantifies the effect of boundary conditions on reservoir property determination. In our case a tracer pulse injected in a homogeneous one–dimensional porous medium and moving at constant speed dominated by advection and dispersion is considered. The tracer transport models to be used yield conditions (i) on the tracer concentration, and (ii) on the tracer flux. Three data sets from tracer tests performed in different oil reservoirs are used to fit the models and determine the parameter values. We found that boundary conditions become more important as Peclet number gets smaller. The cases analyzed have Peclet numbers 25.0, 5.4 and 3.7. The largest parameter difference obtained in each case is 5%, 18% and 37% respectively. These differences are large for laboratory experiments, but less relevant for tracer tests in oil fields, where data variability is frequently high. Nevertheless, attention should be paid when small Peclet numbers are present.doi: https://doi.org/10.22201/igeof.00167169p.2009.48.2.2136

773.1.#.t: Geofísica Internacional; Vol. 48 Núm. 2: Abril 1, 2009; 185-194

773.1.#.o: http://revistagi.geofisica.unam.mx/index.php/RGI

022.#.#.a: ISSN-L: 2954-436X; ISSN impreso: 0016-7169

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300.#.#.a: Páginas: 185-194

264.#.1.b: Instituto de Geofísica, UNAM

doi: https://doi.org/10.22201/igeof.00167169p.2009.48.2.2136

handle: 48ae1d38664887c8

harvesting_date: 2023-06-20 16:00:00.0

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file_creator: Coronado M.

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245.1.0.b: A test of the effect of boundary conditions on the use of tracers in reservoir characterization

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Artículo

A test of the effect of boundary conditions on the use of tracers in reservoir characterization

Coronado, M.; Ramírez-sabag, J.; Valdiviezo-mijangos, O.; Somaruga, C.

Instituto de Geofísica, UNAM, publicado en Geofísica Internacional, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Instituto de Geofísica, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Coronado, M., et al. (2009). A test of the effect of boundary conditions on the use of tracers in reservoir characterization. Geofísica Internacional; Vol. 48 Núm. 2: Abril 1, 2009; 185-194. Recuperado de https://repositorio.unam.mx/contenidos/4132964

Descripción del recurso

Autor(es)
Coronado, M.; Ramírez-sabag, J.; Valdiviezo-mijangos, O.; Somaruga, C.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
A test of the effect of boundary conditions on the use of tracers in reservoir characterization
Fecha
2009-04-01
Resumen
Tracer tests are fundamental in characterizing fluid flow in underground formations. However, the setting of appropriate boundary conditions in even simple analytical models has historically been controversial, mainly due to the lack of sufficient physical evidence. Determining the relevance of boundary conditions on tracer test analysis becomes therefore a topic of renewed interest. The subject has been previously disscused by studying the tracer breakthrough curve sensitivity to diverse model parameter values. In our present work we examine the issue from a new practical reservoir characterization perspective. Two well–known equivalent elementary tracer transport models having different boundary conditions are matched to the same tracer test data. The resulting model parameter difference quantifies the effect of boundary conditions on reservoir property determination. In our case a tracer pulse injected in a homogeneous one–dimensional porous medium and moving at constant speed dominated by advection and dispersion is considered. The tracer transport models to be used yield conditions (i) on the tracer concentration, and (ii) on the tracer flux. Three data sets from tracer tests performed in different oil reservoirs are used to fit the models and determine the parameter values. We found that boundary conditions become more important as Peclet number gets smaller. The cases analyzed have Peclet numbers 25.0, 5.4 and 3.7. The largest parameter difference obtained in each case is 5%, 18% and 37% respectively. These differences are large for laboratory experiments, but less relevant for tracer tests in oil fields, where data variability is frequently high. Nevertheless, attention should be paid when small Peclet numbers are present.doi: https://doi.org/10.22201/igeof.00167169p.2009.48.2.2136
Tema
Trazador, soluto; soluto; condiciones de frontera; transporte; yacimiento petrolero; problema inverso; Tracer, solute; boundary conditions; transport; oil reservoir; inverse problem
Idioma
spa
ISSN
ISSN-L: 2954-436X; ISSN impreso: 0016-7169

Enlaces