Title: HIGH-EFFICIENCY DEVELOPMENT TECHNIQUE FOR ANAN LOW PERMEABLE SANDSTONE RESERVOIR IN ERLIAN AREA
Abstract: Anan Oil Field is a low permeable and complicated fault block reservoir with a poor property, crushed structure, apparent heterogeneity and difficult development. With the development of the oil field, some problems appear, such as complicated relation between oil and water, low efficiency of water injection, low producing efficiency of water flooding, rapid decline of oil production, rapid increase of the water cut in good producing wells. This paper studies the geologic data and residual oil distribution and proposes a series of adjustment measures including subdividing development series of strata, infilling patterns, perfecting injection production relation, reservoir reform and adjusting injection production structure. The measure obtains a nice effect of stabilizing oil production and controlling water cut. Anan Oil Field keeps a stable production of 700 t/d and production rate of more than 1.6% for 9 years.
Publication Year: 2001
Publication Date: 2001-01-01
Language: en
Type: article
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