Abstract

Abstract The main sand body in the Travis unit, located in east-central Utah, is Lower Douglas Creek (LDC), the lowest portion of the Green River Formation. Recent research has revealed that LDC is a lacustrine sloped and basin reservoir. In this paper, reservoir characteristics of the Travis unit are presented along with a history match of primary recovery. Dual-porosity, dual-permeability representation was chosen for the reservoir based on the information from borehole imaging logs. The primary production history match was satisfactory. Response to a water flood has been disappointing to date. The reservoir model which matched primary production was unable to predict the slow response to the water flood. This was attributed to an inadequate understanding of the fracture network in the reservoir.

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