Inventors:
Danny K. Wolff - Houston TX, US
John C. Vicic - Spring TX, US
William M. Taylor - Houston TX, US
Mark L. Carter - Houston TX, US
Assignee:
Cameron International Corporation - Houston TX
International Classification:
E21B 33/35
Abstract:
A wellhead assembly for use on a well with a blowout preventer stack having a bore therethrough that utilizes an intervention spool sealingly secured between a horizontal tree and the blowout preventer stack to allow the use of a removable valve package positioned in the intervention spool with valve actuators mounted on the exterior of the intervention spool is disclosed.