Latch ring for connecting tubular members

Details Latch ring for connecting tubular members Latch ring for connecting tubular members

1990-04-30

1991-06-04

Britts, Ramon S.

Wells

Expansible anchor or casing

Liner hanger

166382, 285141, 285922, E21B 33043

Patent

active

050205935

ABSTRACT:
A device for releasably locking an inner member within the bore of a tubular outer member holds load in upward and downward directions. The inner member has a grooved profile on its exterior. The outer member has a grooved profile in its bore. A split latch ring is carried by the inner member. The ring has an inner profile that mates with the profile on the inner member. The ring has an outer profile that mates with the profile in the bore. The ring cannot move axially relative to the inner member while fully engaging the inner member profile. Similarly, the ring cannot move axially relative to the outer member while fully engaging the profile of the outer member. The inner member is released by a releasing device which provides an axial force to the ring independent of any force applied to the inner or outer members.

REFERENCES:
patent: 3420308 (1969-01-01), Putch
patent: 3918747 (1975-11-01), Putch
patent: 4528738 (1985-07-01), Galle, Jr.
patent: 4550782 (1985-11-01), Lawson
patent: 4773477 (1988-09-01), Putch
patent: 4909546 (1990-03-01), Nobileau
patent: 4919460 (1990-04-01), Milberger et al.
patent: 4928769 (1990-05-01), Milberger et al.

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