Abstract
Due to complex geological conditions, fault development and great reservoir changes, some inefficient wells appear in Hailaer oilfield after it is put into development. In addition, with the deepening of oilfield development, water cut in some well areas rises abruptly. Through continuous practice and exploration, geological understanding and continuous deepening of development law, no matter from improving oilfield development effect or improving oilfield development economic benefit it is necessary to study systematically. Therefore, through the systematic analysis of the causes of low production wells in Hailaer oilfield, this paper summarizes the treatment methods and effects in the past years, and forms a set of mature treatment methods.
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