Wells – Wells with lateral conduits
Reexamination Certificate
2007-05-24
2008-10-14
Dang, Hoang (Department: 3672)
Wells
Wells with lateral conduits
C166S242100
Reexamination Certificate
active
07434613
ABSTRACT:
A surface controlled subsurface lateral branch safety valve provides flow control for each branch wellbore in a multilateral well. In a described embodiment, a completion system for a well having an intersection between parent and branch wellbores includes an apparatus having multiple passages formed therethrough. One passage provides fluid communication between opposite ends of the apparatus in the parent wellbore, and another passage provides guidance for drilling the branch wellbore. The apparatus further includes a flow control device, such as a surface controlled subsurface safety valve, which selectively controls fluid communication with the branch wellbore.
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McGlothen Jody R.
Restarick Henry L.
Dang Hoang
Halliburton Energy Service,s Inc.
Smith Marlin R.
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