Wells – Processes – Producing the well
Reexamination Certificate
2007-08-07
2007-08-07
Dang, Hoang (Department: 3672)
Wells
Processes
Producing the well
C166S068000, C166S105000, C417S395000
Reexamination Certificate
active
10886731
ABSTRACT:
Methods and apparatus for pumping fluids from a well utilizing a submersible pumping system. In one embodiment, the pump comprises a pump body operable to be disposed within tubing within a well. The pump body encloses a pump chamber having an inlet and an outlet. The inlet is in fluid communication with the well. A diaphragm is disposed within the pump chamber and forms a boundary between the pump chamber and a diaphragm chamber. A piston is moveably disposed within the diaphragm chamber. The piston may be moved within the diaphragm chamber by a pressure intensifier supplied with a pressure differential from the surface.
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British Search Report for Appln. No. GB 0514048.8 dated Oct. 25, 2005; (4 p.).
Conley & Rose, P.C.
Dang Hoang
Smith International Inc.
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