Considering the status of separate layer water injection in directional well, the injection tools and pipe string are developed and collocated reasonably.

针对定向井分层注水的现状，对定向井分注工具和分注管柱进行了研制和合理配置。

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Considering the status of separate layer water injection in directional well, the injection tools and pipe string are developed and collocated reasonably.

针对定向井分层注水的现状，对定向井分注工具和分注管柱进行了研制和合理配置。

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