Reduced debris milled multilateral window

Details Reduced debris milled multilateral window Reduced debris milled multilateral window

2005-07-05

2005-07-05

Bagnell, David (Department: 3672)

Wells

Processes

Parallel string or multiple completion well

C166S242100, C166S255200, C138S177000

Reexamination Certificate

active

06913082

ABSTRACT:
A reduced debris milled multilateral window. In a described embodiment, a window joint is constructed in a manner which reduces debris created when a window is milled therethrough. The window joint includes a generally tubular body having a sidewall, a window portion of the sidewall being configured for forming a window therethrough, and a thickness of the sidewall being reduced in the window portion.

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patent: 2002/0056572 (2002-05-01), Hanton et al.
patent: 2002/0170713 (2002-11-01), Haugen et al.

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