Gravity Induced Separation Of Gases And Fluids In A Vacuum-Based Drilling Fluid Recovery System
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United States of America Patent
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app pub date -
Jun 19, 2015
filing date -
Jun 20, 2014
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Abandoned
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Abstract
A system for recovering used drilling fluid from drill cuttings being processed on a shaker screen. The system includes: a vacuum screen attachment operatively connected to the underside of the shaker screen, the vacuum screen attachment operatively connected to a vacuum source by a vacuum conduit; a hydrostatic chamber located in the vacuum conduit downstream of the vacuum screen attachment, the hydrostatic chamber having a fluid dump port at or adjacent to its bottom surface; a means for setting a limit of fluid accumulation in the hydrostatic chamber, wherein fluid dumps from the fluid dump port when the limit of fluid accumulation is reached; and a conduit for conveying the fluid dumped from the fluid dump port to a storage tank.
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