The outer casing packer can be used in the troublesome Wells in which the high pressure gas channeling and the loss of circulation occur, to improve the cementing quality.

套管外封隔器可用于有高压气窜、恶性开漏等复杂情况井的固井，使固井质量有所提高。

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The probability of packer sticking is increased because of the casing deformation and crustation in casing failure well.

在套损井中，由于套管变形、结垢等因素，进一步加大了封隔器卡钻的可能性。

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A type of packer that USES an inflatable bladder to expand the packer element against the casing or wellbore.

利用可膨胀胶囊使封隔器密封元件紧靠套管或井筒的一种封隔器。

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Allen said that in preparation for the storm, crews had pulled the drill string out, put a plug known as a "packer" in the casing pipe and filled the riser with seawater so the pipe would be stable.

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