Wells – Processes – Separating material entering well
Reexamination Certificate
2008-09-30
2008-09-30
Suchfield, George (Department: 3676)
Wells
Processes
Separating material entering well
C159S024100, C159S045000, C159S047100, C159S901000, C166S267000, C166S272300, C166S303000, C210S664000, C210S669000, C210S747300, C210S805000, C210S806000, C405S129350, C588S250000, C203S010000, C203S026000, C203S048000, C203S098000, C203SDIG016
Reexamination Certificate
active
11149070
ABSTRACT:
A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. Pretreated produced water is then fed to an evaporator. Up to 95% or more of the pretreated produced water stream is evaporated to produce (1) a distillate having a trace amount of residual solutes therein, and (2) evaporator blowdown containing substantially all solutes from the produced water feed. The distillate may be directly used, or polished to remove the trace residual solutes before being fed to a steam generator. Steam generation in a packaged boiler, such as a water tube boiler having a steam drum and a mud drum with water cooled combustion chamber walls, produces 100% quality high pressure steam for down-hole use.
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GE Ionics, Inc.
Goodloe, Jr. R. Reams
Suchfield George
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