Perforating gun assembly and method for controlling wellbore...

Details Perforating gun assembly and method for controlling wellbore... Perforating gun assembly and method for controlling wellbore...

2011-07-19

2011-07-19

Neuder, William P (Department: 3676)

Wells

Processes

Perforating, weakening, bending or separating pipe at an...

C166S055100

Reexamination Certificate

active

07980308

ABSTRACT:
A downhole tool used in the pressure isolation of adjacent subterranean formations. The downhole tool may comprise flow restriction devices along the outer circumference for impeding flow along the length of the tool. The tool may further comprise a perforating gun and an accumulator. Impeding flow along the length of the tool provides a dynamic flow restriction within the wellbore that precludes fluid flowing from one subterranean zone to an adjacent zone.

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(Authors unknown), “Dynamic Underbalance” Technique for Increased Productivity, www.slb.com/oilfield, Jul. 2003.

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