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浅析水平井打捞技术

Inner Mongolia Petrochemical Industry(2013)

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Abstract
水平井由于其特殊的井身结构,管柱受到的“钟摆力”和弯曲应力很大,造成打捞困难.由现场经验和理论分析设计出水平井打捞工艺参数,包括打捞工具及钻具的选择、扶正器的选用及间距等.井斜角越大,下扶正器的安放位置距接头下圆的距离越短,成反比;挠度越大,下扶正器的安放位置距接头下圆的距离越长,成正比.在水平段扶正器扶正间距最小,向上逐渐增大.最后结合实例分析了斜井、水平井的打捞作业的注意事项,以期对矿场施工具有一定的指导意义.
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Key words
fishing technique,horizontal well
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