Apparatus and methods for flow control gravel pack

Details Apparatus and methods for flow control gravel pack Apparatus and methods for flow control gravel pack

2005-02-22

2005-02-22

Bagnell, David (Department: 3672)

Wells

Processes

Graveling or filter forming

C166S051000, C166S235000, C166S371000

Reexamination Certificate

active

06857475

ABSTRACT:
A wellbore completion includes a plurality of longitudinal gravel pack sections disposed within a well, the gravel pack sections being capable of imposing a predetermined substantially radial flow restriction upon fluid production flowing radially through the gravel pack section. At least one of the gravel pack sections creates a radial flow restriction that is different from the radial flow restriction of at least one other gravel pack section. The gravel pack sections may comprise graded gravel material having an effective permeability within a predetermined range when placed in the well.

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