Pumps – Motor driven – Fluid motor
Reexamination Certificate
2007-01-23
2007-01-23
Freay, Charles G. (Department: 3746)
Pumps
Motor driven
Fluid motor
C417S053000, C417S902000
Reexamination Certificate
active
11010641
ABSTRACT:
An oil recovery device and method of use where a submersible pump is in combination with a hydraulic motor. The hydraulic motor is actuated by a pressure differential between hydraulic power lines extending between the motor and a regulation means at or near the surface. A monitoring system evaluates, communicates, and records operation parameters so that they may be adjusted to ensure a constant volume or production oil. The device may operate at variable speeds and in reverse.
REFERENCES:
patent: 1851801 (1932-03-01), Boone
patent: 2361195 (1944-10-01), Grebe
patent: 2371704 (1945-03-01), Nichols
patent: 4403919 (1983-09-01), Stanton et al.
patent: 2003/0196797 (2003-10-01), Crawford et al.
patent: 2006/0000816 (2006-01-01), Crawford
patent: 2006/0060358 (2006-03-01), Crawford
Cox Smith Matthews Incorporated
Freay Charles G.
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