Optimizing smart well controls under geologic uncertainty (Record no. 177000)

MARC details
000 -LEADER
fixed length control field 02712nab a2200205 4500
008 - CÓDIGOS DE INFORMACIÓN DE LONGITUD FIJA - INFORMACIÓN GENERAL
Campo de control de longitud fija 260224s2010 xxu
245 00 - TITULO
Título Optimizing smart well controls under geologic uncertainty
260 ## - PUBLICACION, DISTRIBUCION, ETC
Lugar de publicación, distribución, etc.
Nombre de publicador, distribuidor, etc.
Fecha de publicación, distribución, etc. ago. 2010
270 ## - FECHA DE CARGA
Fecha de carga 20/09/2010 ; 20/09/2010
300 ## - DESCRIPCION FISICA
Otra extensión 15 p. ; 107-121
520 ## - RESUMEN, ETC
Resumen Transcripción del resumen del autor. Waterflood optimization via rate control is receiving increased interest because of rapid developments in the smart well completions and i-field technology. The use of inflow control valves (ICV) allows us to optimize the production/injection rates of various segments along the wellbore, thereby maximizing sweep efficiency and delaying water breakthrough. A major challenge for practical field implementation of this technology is dealing with geologic uncertainty. In practice, the reservoir geology is known only in a probabilistic sense; hence, the optimization of smart wells should be carried out in a stochastic framework to account for geologic uncertainty. We propose a practical and efficient approach for computing optimal injection and production rates accounting for geological uncertainty. The approach relies on equalizing arrival time of the waterfront at all producers using multiple geologic realizations. The main objective is to improve sweep efficiency and thereby improve oil production and recovery. We account for geologic uncertainty using two optimization schemes. The first one is to formulate the objective function in a stochastic form which relies on a combination of expected value and standard deviation combined with a risk attitude coefficient. The second one is to minimize the worst case scenario using a min–max problem formulation. The optimization is performed under operational and facility constraints using a sequential quadratic programming approach. A major advantage of our approach is the analytical computation of the gradient and Hessian of the objective function which makes it computationally efficient and suitable for large field cases. Multiple examples are presented to support the robustness and efficiency of the proposed optimization scheme. These include 2D synthetic examples for validation and a 3D field-scale application. The role of geologic uncertainty in the outcome of the optimization is demonstrated both during the early stage and also, the later stages of waterflooding when substantial production history is available.
581 ## - ESTADO DE COLECCIÓN
Estado de colección 1-2
773 0# - CORRECCIÓN
Título Journal of Petroleum Science & Engineering
Partes relacionadas 73
942 ## - DESC. DE MATERIAL
Tipo de item KOHA Artículo de Revista
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Alhuthali, A.H.
9 (RLIN) 46882
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Datta-Gupta, A.
9 (RLIN) 45627
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Yuen, B.
9 (RLIN) 46883
Holdings
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 200048935   200048935 05/03/2026 Artículo de Revista


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