Patent ID: 8616287
Filing Date: 2013-12-31
Classification: E21B

Abstract:
1. An apparatus for improving the safety and recovery of wells to be installed in oil wells comprising: a Deep Set Well Head (DSWH), situated at a first depth, configured to terminate underlying casings used for construction of the well and including disconnection and reconnection system with extension casings or risers for connecting with with the well head; a Casing Receptacle housing a Deep Set Tubing Hangar (DSTH) and including the DSTH including: extension elements between the DSTH and the well head are configured to connect the production tubing to a surface well head, and connect the SSSVs to the well head via Control lines, the extension elements including: connection interfaces with the DSTH to allow for disconnection and subsequent re-connection of the DSTH to the well head; and a plurality of expansion joints.