Subsea well head alignment system

Details Subsea well head alignment system Subsea well head alignment system

1986-02-27

1988-01-26

Leppink, James A.

Wells

Submerged well

Connection or disconnection of submerged members remotely...

166 85, 166 975, 166237, 166348, E21B 2300, E21B 33043

Patent

active

047211636

ABSTRACT:
A tubing hanger alignment system for a subsea well, periodically subjected to treatment by removing the well tubing and inserting treating tools therein, wherein a tubing guidance system cooperating with the wellhead for engaging a downwardly moving tubing hanger running system thereby to rotate said tubing hanger sufficiently to position the carried tubing at a predetermined relationship with the wellhead, thereby providing access into the tubing hanger for sealing elements of an over-positioned subsea tree co-operative with the wellhead.

REFERENCES:
patent: 3347311 (1967-10-01), Word, Jr.
patent: 3353595 (1967-11-01), Nelson et al.
patent: 3500906 (1970-03-01), Petersen
patent: 3536342 (1970-10-01), Hull et al.
patent: 4067385 (1978-01-01), Schwager et al.
patent: 4214778 (1980-07-01), Diehl

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