The Reservoir Mixing Unit (RMU) is a single skid mounted unit that supplies mixed hydraulic fluid to the Hydraulic Pumping Unit (HPU) for the safe and reliable operation of the BOP. It has variable ratio control and will operate continuously while demand is present.
The mixed product (hydraulic control fluid) is composed of three (3) independent fluids: potable water, hydraulic fluid concentrate, and ethylene glycol. The potable water is supplied from the rig and the glycol and concentrate fluids are stored in separate reservoirs on the RMU skid.
The unit includes a separate flow nozzle for each fluid and dedicated pumps for the glycol and concentrate fluids. Each pump and flow nozzle is sized to accommodate the defined flow rate of each fluid.
The main frame is fully seam welded for maximum durability and strength and comes equipped with four (4) corner swivel hoist rings for safe handling. A stainless steel, sloped bottom drip pan with valved drains is also provided to catch and drain fluid “drips”. In addition, the RMU is supplied with all required suction strainers, isolation valves, and relief valves to operate the unit. All main skid structural components are coated with a three part marine epoxy paint system for added harsh environment protection.
Reservoir Mixing Unit Functions
Reservoir Mixing Unit Options
Reservoir Mixing Unit Features
|Overall Dimensions (typical):||(L) 238 in x (W) 80 in x (H) 93.5 in|
|Weight (with fluids):||41,000lbs|
|Temperature Range:||-10oF to +140oF|
|Required Main Service Voltage:||460 VAC, 3 Phase, 30 Amp|
|Required Water Service:||75 gpm @ 60 psi|
|Mixed Fluid Capacity:||1,500 gallons|
|Glycol Capacity:||750 gallons|
|Concentrate Capacity:||500 gallons|
|Water Transfer Rate:||75 gpm|
|Recirculation Transfer Rate:||40 gpm|
|Glycol Transfer Rate:||7.5 gpm|
|Concentrate Transfer Rate:||40 gpm|
|Maximum Glycol Mix Ratio:||Up to 60%|
|Maximum Concentrate Mix Ratio:||Up to 10%|
Major System Components
(Vary per Customer Requirements and Options)
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