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AssigneePlexus Holdings, PLC.
InventorsCraig Francis Bryce HENDRIE, Bernard Herman VAN BILDERBEEK, Brent HARRALD
Estimating the term…
A pressure energised seal for a wellhead, in particular, provides a seal of an annulus between an inner wellhead casing member and an outer wellhead casing member. The wellhead incorporates a clamping arrangement whereby the outer member is arranged to be deflected radially inwardly in order to grip and secure the inner member within the bore of the outer member. Also, a seal for use in such a clamping arrangement. In particular, the seal includes a sealing lip which locates within a groove provided in the outer clamping surface of the inner member. A seal is activated and created as the outer member is clamped inwardly since this causes the outer member to compress the inner member and to reduce the diameter of the inner member. Also, a well and a method of sealing an annulus in a well.
A sealing arrangement comprising an inner well casing and a seal for sealing an annulus in a well, the annulus being formed between an outer surface of the inner well casing and an outer well casing of the well wherein the inner well casing comprises:
A well comprising an inner well casing, an outer well casing, a clamping arrangement and a seal for sealing an annulus in a well, the annulus being formed between an outer surface of the inner well casing and the outer well casing member of the well wherein the inner well casing comprises:
A method of sealing an annulus in a well, the annulus being formed between an outer surface of an inner well casing and an outer well casing of the well wherein the inner well casing comprises:
Dependencies are inferred from the claim text.