Method and assembly for producing oil and/or gas through a...

Details Method and assembly for producing oil and/or gas through a... Method and assembly for producing oil and/or gas through a...

2011-05-24

2011-05-24

Thompson, Kenneth (Department: 3672)

Wells

Processes

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

C166S227000

Reexamination Certificate

active

07946344

ABSTRACT:
An assembly for producing oil and/or gas through a well traversing stacked oil and/or gas bearing earth layers comprises a series of expandable packers and integrated perforating gun and sandscreen assemblies mounted on a production tubing such that each integrated perforating gun and sandscreen assembly is located adjacent an oil and/or gas bearing earth layer and at least one expandable packer is located between a pair of adjacent oil and/or gas bearing earth layers, and at least one inflow opening arranged in the wall of the production tubing adjacent to each sandscreen assembly. The integrated perforating gun and sandscreen assemblies are installed in a single run into the well such that uncontrolled fluid and/or sand influx into the well before installation of the sandscreens and expandable packers is avoided.

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