The Jennifer (Queen) Unit produces from a northeast extension of the Concho Bluff, North Field of Ector County, Texas within a Queen producing trend containing four separate reservoirs. The three adjacent reservoirs have been successful waterflood projects due to very favorable rock and fluid properties. The Jennifer (Queen) Unit reservoir was an obvious candidate for waterflooding shortly after discovery in 1984 as its areal extent became apparent. Extensive data gathering enabled reservoir modeling to assess the efficiency of a waterflood project. When installed, the project raised production from 120 BOPD to 2500 BOPD in 5 months. Intense waterflood surveillance has identified operational problems at an early stage and provided data for an updated reservoir model. The enhanced simulation will help manage the flood for optimum recovery.

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