seal off


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Related to seal off: sealable

seal off

[′sēl ′ȯf]
(engineering)
To close off, as a tube or borehole, by using a cement or other sealant to eliminate ingress or egress.
(petroleum engineering)
Penetration of a drilling fluid into a formation so that the formation is prevented from producing.
References in periodicals archive ?
There were chaotic scenes as officers rushed to seal off the area around the Amarone restaurant, off Buchanan Street, Glasgow, yesterday afternoon.
The Flood-Guard operates like a check valve to seal off water backup caused by overloaded sewers.
Police seal off Southbank Road, in Coundon, after the discovery of a body.
Five fire engines were called to the factory and firefighters were sent in wearing gas-tight clothing to seal off the production unit.
The Food and Drug Administration approved the coil method in 1995, but doctors still debate whether coils seal off aneurysms as well as clips do and whether the beneficial effects last as long.