SUBMARINE COMPLETE SYSTEM AND METHODS FOR INSTALLATION AND REMOVAL OF SUBMARINE COMPLETE SYSTEM

摘要

subsea completion system and methods of installation and withdrawal of subsea completion system. The present invention relates to an underwater completion system formed by a wet Christmas tree and a horizontally split column hanger, so that either of these two equipment can be installed and / or removed without interference from the other. thus, it allows both the installation of the Christmas tree before the installation of the production column (3); the installation of the production column (3) before the installation of the Christmas tree. It also enables the removal of the Christmas tree by keeping the production column (3) in the well, as well as the removal of the production column (3) by keeping the Christmas tree in the well.