Title: EOR countermeasures research of fractured limestone reservoir
Abstract: Block Kou 13 is typical fractured limestone with broken underground structure,flooding networks in some blocks are difficult to improved, Producing reserves is poor, a high water cut is soon appears after production, development effect is so poor and the recovery is only 9.18%. The impact factors of fractured limestone reservoir development is found, the oil-water flow relationship,the flooding situation and remaining oil distribution are seen clearly through dynamic analysis. The EOR countermeasures are proposed with fine history match. A summary of limestone reservoir is concluded. Cyclic water flooding,the direction change of water flow can be taken to enhance the water flooding sweep degree. While making full use of the old lateral drilling wells, alternating development mode, increasing injection wells and improving flooding network, the effect of small fault-block reservoir development can be improved greatly.
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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