Wells – Processes – Placing or shifting well part
Reexamination Certificate
2006-05-09
2006-05-09
Gay, Jennifer H (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S075140, C166S368000
Reexamination Certificate
active
07040412
ABSTRACT:
An adjustable hanger system and related method connect a hanger to a wellhead, with a hanger supporting a tubular secured at its lower end in the well. The wellhead includes a housing20having a plurality of axially spaced support grooves23, and a hanger30including a support ring32radially moveable into a selected one of the support grooves on the wellhead housing. A lock down ring34may limit axially upward movement of the hanger with respect to the wellhead, while a support ring32may be used to limit axially downward movement of the hanger with respect to the wellhead housing. Both the support ring and the lock ring may be a substantially C-shaped rings which move radially outward into a selected one of the support grooves or locking grooves.
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Browning & Bushman P.C.
Dril-Quip Inc.
Gay Jennifer H
LandOfFree
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