Centek Centralizer | Operators selects UROS-CT as an alternative to centralizer sub for deep water THE CHALLENGE A 13-3/8” liner needed to be run and set inside 16” casing above a 14-1/2” x 17-1/2” under-reamed hole. The 13-3/8” string utilized flush joint connections and was run through the subsea wellhead in 8,000ft of water. The operator had to select a stop collar they were confident had extreme holding capability under all operating conditions and a centralizer which could stand up to downhole conditions to prevent casing accessories from coming loose, possibly sticking the liner or causing junk in the hole. THE SOLUTION A centralizer and stop collar with a slim design was needed to pass through the 14-3/4” drift of the 16” casing and to provide sufficient holding force under all ope

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