Enhancing Oil Recovery of Condensate Gas Reservoir by Horizontal Wells

Abstract

Abstract: This study shows that for condensate gas reservoir with bottom oil, utilizing horizontal well pattern, the oil recovery could be effectively enhanced by producing bottom oil followed by producing upper condensate gas without impacting the gas recovery. Taking Yingmai-7 condensate gas pool as an example, such an effectiveness could be reached by the process that the horizontal well is positioned at 1~2 m above gas-oil contact, with horizontal interval length of 300 m and the oil production rate less than 2.5%.

Key words: condensate gas pool, bottom oil, horizontal well, EOR

CLC Number:

TE355.6

CHANG Lun-jie, XIAO Xiang-jiao, BIAN Wan-jiang, LIN Na. Enhancing Oil Recovery of Condensate Gas Reservoir by Horizontal Wells[J]. Xinjiang Petroleum Geology, 2009, 30(2): 238-240.

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Enhancing Oil Recovery of Condensate Gas Reservoir by Horizontal Wells

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