Mud Mixing System, Powder and Liquid - New   QTY.:1 each

The NOV Mud Mixing System is controlled by a PLC, mounted in a Control Cabinet. In addition, there is also a MCC for motor starters and frequency converters. Operating and monitoring is performed from a VDU equipped with touch display, latter referred to as a VDU. Signals are exchanged with the PLC and MCC cabinets via Profibus.

The NOV Mud Mix System normally interacts with the NOV Bulk Storage and Transfer System.
More info here: UL 07372

The package contains the following:
2 each Mud Mixer/Hopper
2 each Density Transmitter
1 each Liquid Additive Unit
1 each Sack Cutting Machine - ProCut
1 each Vacuum Lifter
1 each Dosing Screw
1 each Lifting Screw
1 each Surge Tank Feeder

1 ProCut Sack Cutting Unit - Technical data
Capacity Sack Cutting Unit: 360 sacks/h
Capacity Dosing Screw: 0,35 – 3,5 m3/h
Dimensions HxWxL: 1685 x 1590 x 2890 mm, [66,3 x 62,6 x 113,8 in]dosing screw not included
Weight, dry: 1600 kg [3527 lbs], dosing screw included
Material: Generally EN 1.4404/AISI 316L

No of motors: 4 in the machine + 1 for the dosing screw
Total installed effect: 10 kW, bit will vary due to voltage and frequency variations
No of VFD motors: 1 (Dosing screw)
No of gear units: 3 in the machine + 1 for the dosing screw
No of belt drives: 1
No of filters: 4 x Envelope type

1.1 Vacuum Lifter
The vacuum lifter is designed to ease the handling of sacks which will provide the best working environment for the operator. It is operated manually, and turned on or off from the VDU.
The vacuum lifter has a vacuum aggregate and a filter bin in addition to the lifting structure.

Technical data
Safe working load: 50 kg
Max lifting height: 1450 mm (57,1 in)
Dimensions, structure, HxWxL: 2470 x 500 x 2590 mm [97,3 x 19,7 x 102 in] , project variations may occur
Weight, structure, dry: 600 kg (485 lbs)
Operating angle, std jib: 270°
Materials: Generally Galvanized Carbon Steel
No of motors: 1
Total installed effect: 3,5 kW, but will vary due to voltage and frequency variations.

1.2 Screw Conveyors - Technical data
Operating volume: 3,5 m3/h for ø=156 mm (typical for ProCut), 18 m3/h for ø=206 mm (typical for BigBag)
Feeding rate: 0,35 – 3,5 m3/h
Dimensions:
Total installed effect:
No of motors: 1 each screw conveyor
Function: As the screw conveyor rotates, the powder is pushed along the casing. The conveyors can be started and stopped manually from the LCP, and will be part of the master machine sequence in automatic mode.

2 Mud Mixer and Hopper - Technical data
Liquid flow: 150C: 180 m3/h, 150L: 227 m3/h
Dry material capacity: 150C: 33 m3/h, 150L: 35 m3/h
Typical Dimensions, HxWxL: 9600 x 600 x 1600 mm
Material: Mixer: CC333G, Hopper: EN 1.4404/AISI 316L
Pressure transmitters:
Level Switches:
Valve spec: 1 X TBA, project specific

The mud mixer consists of three main parts; the mixer housing, the nozzle and the diffuser.
The NOV mud mixer with hopper is designed for optimal performance when it comes to upgrades of old systems as well as new designed mud mixing systems.

Function:
The Mud Mixer with Hopper is usually controlled by the MCS (Mud Control System), and will operate as a part of the control sequence of other MMS (Mud Mixing System) machines. The mixer valve can be operated manually by means of manual override directly on the valve and/or from LCP (Local Control Panel).

3 Liquid additive Unit Technical data
Capacity, pump, each: 0 - 28 m3/h @ 1 Cps
Max suction lift, dry pump: 5,4 m (water)
Max discharge pressure: 8 barg
Dimensions, typical, HxWxL: 1800 x 700 x 1240 mm
Material skid: Generally EN 1.4404/AISI 316L
Material pumps: Polypropylen (for temperature above 0 °C), EN 1.4404/AISI 316L (for temperature below 0 °C)
Pump no/type: 2 x Air driven diaphragm pump
Function: The pumps are creating a vacuum to suck the liquid chemicals out of the barrels, and pump it into the mixing line.
The flow rate is adjustable with the needle valve and may be operated from the LCP (Local Control Panel).


4 HP Shear Unit - Technical data
Flow, min - max: Please see table below
Min operating pressure: 241 barg
Pressure ratings/test pressure: 345 barg/5000 psi, 517 barg/7500 psi, 689 barg/10000 psi
Inlet connection: API 3.1/8 6RX 5000 PSI, API 3.1/16 6BX 7500/10000 PSI
No of nozzles/unit: 2
Inlet routing: Horizontal or Vertical
Material: Inlet: AISI 4130, Nozzle plate: Hardox, Discharge: X52 mod
The flow and shearing effect can be optimized by changing nozzles sizes. Please see available nozzle sizes in the attached flow diagram.
Size 12 is supplied with the shear unit as standard.
Sizes available: 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 22, 24

Function: As the mud pumps through the HP shear unit, the mud becomes more consistent. The high velocity liquid stream through the shear nozzle(s) creates shear forces as the streams are forced through a small hole.
To operate the unit pump mud through the shearing devise using a high pressure mud pump.


5 Density transmitter - RadioActive
The density transmitter is a radioactive sensor for mud density measurements.
Technical data
Source type: Incapsulated
Field of operation: Density measurement
Country of origin: Germany
Capsule compliance: Standard: ISO 2919, Classification: ISO C.66646
Source Material: Cs-137
Activity: 1 mC/37 MBq


This is a part of a Subsea Well Intervention & Drillship Equipment Package. Link to info for the whole package: Listing ID: UL 07007

Equipment from the package that are related to this process:

NOV Bulk Storage and Transfer System	More info here: UL 07372
NOV Mud Mix System	This listing: UL 07374
HP Manifolds (Standpipe and Cement)	More info here: UL 07377
LP Mud Pumps - Centrifugal Pumps
Mud Control System (MCS)