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1 油田地质概况文南油田位于东濮凹陷中央隆起带文留构造南部 ,是一个异常高压、低渗、高饱和的复杂断块油气藏。主要含油层系为下第三系沙河街组沙二下、沙三上和沙三中亚段 ,共分 2 8个砂层组。油藏埋藏深度 2 2 1 0～ 3 80 0米之间。2 油水井损坏简况全油田 877口油水井中
1 Geological Survey of Oilfield Wennan Oilfield is located in the south of Wenliu structure in the central uplift zone of Dongpu Depression. It is a complex fault block reservoir with abnormally high pressure, low permeability and high saturation. The main oil-bearing strata are the second member of the Shahejie Formation of the Lower Tertiary, the third member of the third member of the Shahejie Formation and the third member of the Shahejie Formation, which is divided into 28 sandstone groups. The depth of the reservoir is between 221 and 380 meters. Oil and water well damage profile 877 oil wells in the oil field