Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2007-06-19
2007-06-19
Tsay, Frank (Department: 3672)
Wells
Processes
With indicating, testing, measuring or locating
C175S066000
Reexamination Certificate
active
11080838
ABSTRACT:
Circulating completion and workover fluids used in hydrocarbon recovery are filtered after monitoring for viscosity, which frequently causes plugging of filters. A viscometer generates a signal representative of viscosity in the fluid; the signal is used by a programmable controller to divert viscous fluid from the filter, or to take other action to prevent damage to the filter. The viscometer can be used in various positions in the system.
REFERENCES:
patent: 4751887 (1988-06-01), Terry et al.
patent: 5257528 (1993-11-01), Degouy et al.
patent: 6077435 (2000-06-01), Beck et al.
patent: 6474143 (2002-11-01), Herod
patent: 6935426 (2005-08-01), Rainbolt et al.
Krayer William L.
Total Separation Solutions, LLC
Tsay Frank
LandOfFree
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