--> Abstract: Comprehensive Reservoir Modeling of a Mature, Geologically Complex Reservoir, by R. Pawar; #90911 (2000)

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Abstract: Comprehensive Reservoir Modeling of a Mature, Geologically Complex Reservoir

PAWAR, RAJESH, Los Alamos National. Lab

This paper discusses application of advanced geologic modeling and reservoir simulations techniques for comprehensive reservoir study of a geologically complex reservoir. The Carpinteria Field in the Santa Barbara channel is part of a turbidite reservoir. This mature field has produced over 100 million barrels of oil todate, with over 200 wells. Even with this production history and extensively available data, a comprehensive geological model was not available when the current operator purchased the field. The operator recognized in order to further develop the field it was necessary to integrate the extensive geologic data and develop a comprehensive model of the field. The company joined a cooperative research and development agreement with the Los Alamos National Labortaory. The aim of the project was to use advanced computational and visualization tools in developing the geologic model. The royalty owners of the field, both the federal and state governments also joined the project in a unique partnership. The project has resulted in a geologic model for the structure of the field. The model was used extensively during the planning stages of a recent, widely successful redevelopment plan for the field. The model was also used to perform a history match on a part of the field. These attempts were unsuccessful because of the commingled production and limited production allocation data. Currently, advanced geostatistical techniques are used to generate detailed distribution of reservoir heterogeneities. The goal is to develop a detailed rock properties distribution and associated measures of uncertainty, which can be helpful to the operator in further development of the field. The paper will discuss the application of various modeling techniques and the results.

 

 

AAPG Search and Discovery Article #90911©2000 AAPG Pacific Section and Western Region Society of Petroleum Engineers, Long Beach, California