Thus, stable hole, smooth drilling and tripping operations and zero outage time have been obtained in the construction period.

使该井在施工期间，井壁稳定、起下钻井眼畅通，全井事故、复杂时效均为零。

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Although most of kicks occur when pulling the drill string from the hole, it is also possible for kicks to occur while tripping in.

尽管大多数井涌都发生在起钻的时候，但下钻的时候也会发生井涌。

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Although most of kicks occur when pulling the drill string from the hole, it is also possible for kicks to occur while tripping in.

尽管大多数井涌都发生在起钻的时候，但下钻的时候也会发生井涌。

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