A METHOD OF SUSPENDING, COMPLETING AND WORKING OVER A WELL

摘要

forming an assembly by installing a completion string terminating at its upper end in and suspended from a tubing hanger in the body of the horizontal Christmas tree, the assembly being formed above the water line; and, running the assembly to the sub-sea well, wherein the tubing hanger and the horizontal Christmas tree are above the water-line during the step of forming the as3embly while control of the well is maintained by using at least two independently verifiable deep-sea well control barriers.