Volumetric compensating annular bellows

Details Volumetric compensating annular bellows Volumetric compensating annular bellows

2007-11-27

2010-12-21

Beach, Thomas A (Department: 3671)

Wells

Submerged well

Connection or disconnection of submerged members remotely...

C166S346000, C166S387000, C166S212000

Reexamination Certificate

active

07854264

ABSTRACT:
Embodiments of the present invention relate to a volumetric compensating annular bellows used to compensate two fluid volumes by an annular displacement. This is achieved using a bellows welded on to a tube with a varying shape radius. A bellows is arranged within the annulus and is deformable in an annular direction in response to fluid volume expansion. The bellows can be used in several oilfield applications for fluid compensation.

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