Enhanced Wellhead Clamp Type Hub Connection
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United States of America Patent
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N/A
Issued Date -
Nov 19, 2015
app pub date -
May 13, 2014
filing date -
May 13, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus for connecting an upper wellhead member to a lower wellhead member includes a box connector. The box connector has an upper portion that selectively circumscribes the upper wellhead member and a lower portion that selectively circumscribes the lower wellhead member. An adapter plate assembly having an upper adapter ring selectively engages a hub profile of the lower wellhead member, and a separate lower adapter ring selectively engages a generally opposite facing lower hub profile of the lower wellhead member. A plurality of locking dog assemblies drive the adapter plate assembly into engagement with the hub profile and the lower hub profile, the locking dog assemblies being spaced around the box connector.
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