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A B C D E F G H I J K L M N O P R S T U V W

*This is an abridged version of the Dictionary of Petroleum Terms provided by Petex and the
University of Texas Austin
© Petex 2001

Annulus

The space around a pipe in a well bore, the outer wall of which may be the wall of either the bore hole or the casing; sometimes termed the annular space.

 Annulus
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