Casing stabbing guide

Wells – Processes – Assembling well part

Reexamination Certificate

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C166S077510

Reexamination Certificate

active

07832487

ABSTRACT:
A stabbing guide connects to a casing collar during makeup. The stabbing guide has a housing with a lower portion with a cylindrical interior and an upper portion with a conical interior. Upper and lower shoulders are located in the cylindrical interior, defining an annular recess between the shoulders. Each of the shoulders has an inner diameter smaller than an outer diameter of the casing collar. The housing is formed in separate segments and secured around the casing collar by a clamp.

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patent: 7128161 (2006-10-01), Pietras
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patent: 7490677 (2009-02-01), Buytaert et al.
patent: 2006/0000601 (2006-01-01), Pietras
patent: 2006/0124305 (2006-06-01), Juhasz et al.
International Search Report and Written Opinion, PCT/US2009/038716, dated Mar. 30, 2009.

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