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福山油田流一段受油层埋藏深、井斜大、水质差、腐蚀结垢严重、层间矛盾突出等客观因素制约,常规分注技术存在投捞测配遇阻、测调效率不高、管柱有效期短等问题。优选出适用于不同油藏特征的同心双管、桥式偏心、桥式同心3种主要精细分注技术。对配套的封隔器洗井通道进行改进,可避免固相颗粒进入洗井通道,造成封隔器失效,提高了其在福山油田的技术适应性。同时对分注工艺管柱配套的水井双向锚的承载性能进行模拟计算,在管柱蠕动载荷作用下,水井双向锚轴向最大位移为0.02mm,能够满足工程要求。
Fushan oil field flow of a section of deep buried by the reservoir, the shaft inclination, poor water quality, corrosion and scale serious conflict between the layers and other objective factors constraints, the conventional dispensing technology there is fishing fishing matchmaking, measurement efficiency is not high, the column Short period of validity and other issues. Three kinds of main subdivision technologies of concentric double tube, bridge eccentricity and bridge concentricity suitable for different reservoir characteristics are optimized. The improvement of the packer washout channel can prevent the solid particles from entering the wash channel, resulting in the failure of the packer and improving the technical adaptability of the packer in the Fukuyama field. Simultaneously, the bearing capacity of bidirectional well matched with the well pipe of the dispensing process is simulated. Under the action of the column creep load, the maximum axial displacement of the bidirectional well of the well is 0.02mm, which can meet the engineering requirements.