Mudline casing hanger assembly
Patent
·
OSTI ID:5839605
A mudline casing hanger assembly is described consisting of: an outer hanger body; an inner hanger body; means for supporting casing from the inner hanger body; a collet having latching means and releasably secured to the inner hanger body; upwardly extending fingers rotatably attached to the collet; the outer hanger body having at its inner surface latching means for latching the collet at a predetermined location, and a recess for receiving the fingers at a predetermined distance from the latching means, the recess bounded on the bottom by a steeply tapered first load surface; the inner hanger body having a steeply tapered outwardly extending second load surface substantially parallel to the first load surface; and the fingers located on the collet a distance from the latching means such that, when the collet is latched the fingers rotate outwardly at a location to move within the recess and rest on the first load surface, the second load surface resting on the fingers after the release of the collet from the inner hanger body.
- Assignee:
- Vetco Offshore, Inc., Ventura, CA
- Patent Number(s):
- US 4580630
- OSTI ID:
- 5839605
- Country of Publication:
- United States
- Language:
- English
Similar Records
Mudline casing hanger
Mudline subsea wellhead system
Mudline casing hanger assembly
Patent
·
Mon Feb 10 23:00:00 EST 1986
·
OSTI ID:5999477
Mudline subsea wellhead system
Patent
·
Tue Aug 31 00:00:00 EDT 1993
·
OSTI ID:6092376
Mudline casing hanger assembly
Patent
·
Mon Apr 08 23:00:00 EST 1985
·
OSTI ID:5338466