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根据中50井纵向岩心物性及气井水显示规律分析,气藏开发后存在底水上升,底水层与气层为一有机整体,气藏属底水气藏。北区生产井产水除部分为底水外,多数是由中22井方向外源水沿须二顶裂缝发育层段横窜入气藏。
According to the longitudinal core properties of Well 50 and the gas well water rules, there is an increase of bottom water after the development of gas reservoirs. The bottom water layer and the gas layer are an organic whole, and the gas reservoir belongs to the bottom water gas reservoir. Most of the water produced by the production wells in the North Area except for the bottom water is mostly horizontal channeling into the gas reservoirs along the development zone of the second and the second crevasses by the exogenous water in the direction of Well No.22.