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Physical and Numerical Simulation of an Extra-Heavy Crude Oil Downhole Upgrading Process Using Hydrogen Donors Under Cyclic Steam Injection Conditions (Record no. 131093)

MARC details
000 -LEADER
fixed length control field	03188nmc a2200325 4500
008 - CÓDIGOS DE INFORMACIÓN DE LONGITUD FIJA - INFORMACIÓN GENERAL
Campo de control de longitud fija	260224s2001 xxu ing
041 ## - IDIOMA
Idioma	Inglés
245 00 - TITULO
Título	Physical and Numerical Simulation of an Extra-Heavy Crude Oil Downhole Upgrading Process Using Hydrogen Donors Under Cyclic Steam Injection Conditions
Subtítulo	SPE 69561
260 ## - PUBLICACION, DISTRIBUCION, ETC
Lugar de publicación, distribución, etc.	Dallas, Texas
Nombre de publicador, distribuidor, etc.	Society of Petroleum Engineers
Fecha de publicación, distribución, etc.	2001
270 ## - FECHA DE CARGA
Fecha de carga	12/09/06 ; 17/07/01
520 ## - RESUMEN, ETC
Resumen	Physical simulation experiments of a Downhole Upgrading Process showed that use of a hydrogen donor additive (tetralin) in the presence of methane (natural gas) and the mineral formation under steam injection conditions (280°C and residence times greater than 24 h) led to an increase of at least three degree in API gravity of the treated Extra-Heavy Crude Oil, three-fold viscosity reduction and, approximately, 8% decrease in the asphaltene content with respect to the original crude. In the present work, a continuous bench scale plant was used at different temperatures (280-315°C) and residence times (24-64 h) for carrying out kinetic studies. A reaction model involving four pseudo-components (light, medium, heavy and asphaltene fractions) was used and the kinetic parameters (pre-exponential factors and activation energies) were determined. Using these data, compositional-thermal numerical simulations were carried out and validated using the bench scale data. The results showed a good match between the calculated and experimental °API gravities of the upgraded crude oil (average relative error 4%) Using the previous model, the Downhole Upgrading Process was numerically simulated under cyclic steam injection conditions (injection of 2500 bbl/d of 1:1 steam/tetralin with 75% quality steam) for 20 days, followed by 10 days of soaking period) in a typical Orinoco Basin reservoir (9°API). The simulation runs showed the production of 12°API upgraded crude oil, accumulated over a 100 day-cycle. However, a reduction in the percentage of conversion of tetralin was observed (0.8%) in comparison with the bench scale experiments (3%), which was attributed to gravitational segregation of the steam coupled with low mixing efficiency of the hydrogen donor with the extra-heavy crude oil at reservoir conditions.
942 ## - DESC. DE MATERIAL
Tipo de item KOHA	Congresos (trabajos presentados)
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre	Ovalles, Cesar
9 (RLIN)	6299
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre	Martinis, Jorge
9 (RLIN)	6300
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre	Pérez-Pérez, Alfredo
9 (RLIN)	6301
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre	Cotte, Edgar
9 (RLIN)	6302
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre	Castellanos, Luis
9 (RLIN)	6303
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre	Rodríguez, Héctor
9 (RLIN)	845
111 2# - AUTORIDAD DE CONGRESO
Nombre de congreso	Latin American and Caribbean Petroleum Engineering Conference (7th : 2001 mar. 25-28 : Buenos Aires, Argentina)
9 (RLIN)	5738
700 1# - OTRA AUTORIDAD PERSONAL
Nombre	Martinis, Jorge
9 (RLIN)	6300
700 1# - OTRA AUTORIDAD PERSONAL
Nombre	Pérez-Pérez, Alfredo
9 (RLIN)	6301
700 1# - OTRA AUTORIDAD PERSONAL
Nombre	Cotte, Edgar
9 (RLIN)	6302
700 1# - OTRA AUTORIDAD PERSONAL
Nombre	Castellanos, Luis
9 (RLIN)	6303
700 1# - OTRA AUTORIDAD PERSONAL
Nombre	Rodríguez, Héctor
9 (RLIN)	845
711 2# - ENTRADA AGREGADA--NOMBRE DE REUNIÓN
Nombre de congreso/reunión o jurisdicción como elemento de entrada	Latin American and Caribbean Petroleum Engineering Conference (7th : 2001 mar. 25-28 : Buenos Aires, Argentina)
800 1# - RESPONSABLE EDICION
Nombre	Ovalles, Cesar
9 (RLIN)	6299
856 ## - LINK
Link	<a href="https://biblioteca.iapg.org.ar/ArchivosAdjuntos/LACPEC2001/Spe69561.pdf">https://biblioteca.iapg.org.ar/ArchivosAdjuntos/LACPEC2001/Spe69561.pdf</a>
711 2# - ENTRADA AGREGADA--NOMBRE DE REUNIÓN
--	5738

Holdings
Biblioteca propietaria	Biblioteca actual	Fecha de adquisición	Inventario	Total de préstamos	Inventario	Fecha de carga	Tipo de item KOHA
Biblioteca virtual	Biblioteca virtual	03/03/2026	200003152		200003152	03/03/2026	Archivo electrónico

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