Wireline entry sub

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...

Reexamination Certificate

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Details

C166S077100, C166S117500

Reexamination Certificate

active

07814972

ABSTRACT:
A wireline entry sub includes a body having an upper end, a lower end and a longitudinal, center axis therebetween. The body is adapted for connection below a top drive to a wellbore string of tubulars. A slot on the body has a depth from a body outer surface to at least the longitudinal center axis for receiving a sheave. A wireline entry port extends through the body from the slot to the lower end. The lower end of the wireline entry sub is adapted to be secured to the string of tubulars, with the weight of the tubulars passing through the wireline entry sub.

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patent: 7533732 (2007-03-01), Angman et al.
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patent: 2004/0216924 (2004-11-01), Pietras et al.
patent: 2006/0032638 (2006-02-01), Giroux et al.
patent: 2006/0248985 (2006-11-01), Bangert
patent: 2008/0059073 (2008-03-01), Giroux et al.
patent: 2223253 (1990-04-01), None

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