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BAKER HUGHES - Drilling Fluids Reference Manual

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FLUIDS ENVIRONMENTAL SERVICES<br />

Main Components of CRI System<br />

COMPONENT<br />

FUNCTION<br />

OPERATED /<br />

MONITORED BY<br />

Cu ttings Screw Conveyor Transport cuttings from shakers to CRI Slurry FES Engineer /<br />

Tank<br />

<strong>Drilling</strong> Crew<br />

Optional Vacuum System Transport cuttings from shakers to CRI Slurry FES Engineer /<br />

Continuous Discharge Tank<br />

<strong>Drilling</strong> Crew<br />

Vacuum Hopper<br />

CRI Slurry Tank Mix cuttings with seawater and reduce to a FES Engineer<br />

controlled slurry<br />

CRI Seawater Supply Seawater used to produce slurry FES Engineer<br />

CRI Classification Shaker Control slurry particle size to D90, 300 microns FES Engineer<br />

CRI Roller Mill Aid breakdown of hard rock and cemented sands FES Engineer<br />

CR I Holding Tank Temporary storage of classified slurry to allow FES Engineer<br />

control of viscosity prior to re-injection<br />

CRI HP Injection Pump Injection of slurry from holding tank into annulus FES Engineer<br />

of injection well<br />

CRI Slurry Injection Line Dedicated line to selected re-injection well FES Engineer /<br />

<strong>Drilling</strong> Crew<br />

Injection Well Annulus & Act as conduit for slurry from surface to FES Engineer /<br />

Formation formations below the shoe <strong>Drilling</strong> Crew<br />

Charge Pump<br />

Provides sufficient suction pressure to the high<br />

pressure pump<br />

FES Engineer<br />

Cuttings Slurrification Package<br />

FEATURES<br />

• Designed to DNV 2-7-1 and DNV Certified<br />

• Zone 1 rated<br />

• Two lift system for quick mechanical and electrical installation<br />

• Agitated tanks<br />

• Adjustable jet / impingement nozzles and wear plates fitted to the slurry tank<br />

• 30% increase in holding tank capacity<br />

• Overflow from holding tank to slurry tank<br />

<strong>BAKER</strong> <strong>HUGHES</strong> DRILLING FLUIDS<br />

REFERENCE MANUAL<br />

REVISION 2006 14-40

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