Wells – Processes – Assembling well part
Reexamination Certificate
2008-05-13
2008-05-13
Neuder, William P. (Department: 3672)
Wells
Processes
Assembling well part
C166S207000, C166S277000, C166S384000, C277S612000, C277S615000
Reexamination Certificate
active
10902694
ABSTRACT:
A seal arrangement comprises an expandable inner tubular and an outer tubular. The inner tubular comprises an axially extending lip seal. Expansion of the inner tubular serves to energise the lip seal, a free end of which will be urged into contact with the outer tubular.
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Abercrombie Simpson Neil Andrew
Cowman Robert
Mackay Alexander Craig
Coy Nicole
Neuder William P.
Patterson & Sheridan L.L.P.
Weatherford / Lamb, Inc.
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