Wells – Processes – Producing the well
Reexamination Certificate
2007-12-25
2007-12-25
Dang, Hoang (Department: 3672)
Wells
Processes
Producing the well
C166S050000, C166S068000, C166S053000, C166S250150
Reexamination Certificate
active
11302482
ABSTRACT:
The present invention generally relates to an apparatus and method for improving production from a wellbore. In one aspect, a downhole pump for use in a wellbore is provided. The downhole pump includes two or more chambers for the accumulation of formation fluids and a valve assembly for filling and venting gas to and from the two or more chambers. The downhole pump further includes a fluid passageway for connecting the two or more chambers to a production tube. In another aspect, a downhole pump including a chamber for the accumulation of formation fluids is provided. In another aspect, a method for improving production in a wellbore is provided. In yet another aspect, a method for improving production in a steam assisted gravity drainage operation is provided. Additionally, a pump system for use in a wellbore is provided.
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Howard William F.
Lane William C.
Dang Hoang
Weatherford / Lamb, Inc.
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