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 ?
'We are delighted that the agency's resort to seal off institutions indebted to the state government has continued to yield positive results.
The objective of the exercise is to avert the threat and danger posed by these abandoned wells and to seal off potential hideouts for criminals and their weapons, Al-Refaie said.
* Police including armed response officers seal off Crofts Street in Roath and are pictured outside the Crofts pub last night Picture by Richard Williams [umlaut]
There were chaotic scenes as officers rushed to seal off the area around the Amarone restaurant, off Buchanan Street, Glasgow, yesterday afternoon.