Load ring for lifting by elevator, of casing having no upset

Details Load ring for lifting by elevator, of casing having no upset Load ring for lifting by elevator, of casing having no upset

2008-04-15

2008-04-15

Rodriguez, Saul (Department: 3652)

Handling: hand and hoist-line implements

Grapple

Band type

C138S09600T

Reexamination Certificate

active

07357434

ABSTRACT:
A cylindrical ring sized to slide over the box end of an oilfield tubular having a given external diameter, has a shoulder at one its ends and a sidewall along its length. The sidewall has a circumferential groove about its interior surface housing a band which can be made tight against the exterior surface of the oilfield tubular by a latch, accessible through a slot in the sidewall, and which becomes even tighter if the tubular attempts to escape from the band. In a first orientation, the cylindrical ring is used as a load ring. By turning the cylindrical ring upside down, the cylindrical ring is used as a thread protector for the pin end of the tubular.

REFERENCES:
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patent: 5706894 (1998-01-01), Hawkins, III
patent: 5819805 (1998-10-01), Mosing et al.
patent: 7159619 (2007-01-01), Latiolais et al.
patent: 233972 (1986-02-01), None

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