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US 11,891,875 B2Granted
Expandable annular seal tool and system
AssigneeBaker Hughes Oilfield Operations LLC
InventorAndrew Duggan
Life of this patent
Estimating the term…
Abstract
An expandable annular seal tool including a cone having an actuation surface, a seal member disposed in the actuation surface, and an annular seal element disposed on the actuation surface. An embodiment of a borehole system including a borehole in a subsurface formation, and a tool disposed in the borehole.
Claims16
An expandable annular seal tool comprising:
- a cone having an actuation surface and a longitudinal axis;
- a seal member disposed in the actuation surface;
- an annular seal element disposed on the actuation surface having a first position longitudinally axially spaced from and not in physical contact with the seal member, the annular seal element being at a diametrically relatively smaller portion of the cone and a second position of the annular seal element moved to a diametrically relatively larger portion of the cone radially outwardly of the seal member, covering the seal member, and forming a seal between the annular seal element and the seal member, and
- a protector having a first position radially outwardly covering the seal member and a second position where the protector is displaced and not covering the seal member.
1 more element
Dependencies are inferred from the claim text.