16 Sets Drilling Mud Centrifuge and Vertical Cuttings Dryer for overseas oilfield service company

Recently 16 sets of drilling mud centrifuge and vertical cuttings dryer are ready for delivery to overseas oilfield service company.
One set of drilling mud centrifuge package including 1 unit of decanter centrifuge, telescopic skid and 1ea decanter centrifuge feeding pump. GNLW363D decanter centrifuge is the most popular high speed decanter centrifuge used for drilling mud treatment and drilling cuttings treatment. The bowl diameter is 14 inch, the bowl length is 50 inch, the designed treating capacity is 200gpm, and typical capacity is 132 gpm. The max bowl speed is 3900rpm, and typical bowl speed is 3200rpm. The max G force is 3063G, typical G force is 2062G. The separation cut point is 2 ~5 microns.

One set of vertical cuttings dryer package including 1 unit of vertical cuttings dryer, cuttings dryer skid, flushing pump and solids discharge system. The most popular vertical cuttings dryer model is GNCD930G, the treating capacity is 30 ~50 tons per hour. For the oil based drilling cuttings fresh collected from primary solids control shale shaker, the treated oil content in the cuttings is less than 5%. If the client needs less oil content in the cuttings, the solids discharged can be sent to Thermal Desorption Unit. The screen diameter is 930mm, we have 0.25mm, 0.35mm, 0.5mm three type screen opening for option. The rotation speed is 900rpm, G force is 420G, oil tank capacity is 48L. The main motor is 55KW, the oil pump motor 0.55KW.The standard vertical cuttings dryer with solids discharge collection hopper, as client’s requirement, GN designed customized solids discharge system with vibration motor for faster solids discharge.


Except for decanter centrifuge package and vertical cuttings dryer package, GN solids control also produce different size screw conveyor, high G drying shaker and complete line of solids control equipments and shaker screens.

Triple Shale Shaker with Mud Cleaner for Middle East Drilling Company

One batch of triple shale shaker with mud cleaner are ready for delivery to Middle East drilling company.


The triple shale shaker consists of 2 units of linear motion shale shaker and 1 unit linear motion mud cleaner, the bottom shale shaker of mud cleaner is same with the shale shaker, which can be also used as the third shale shaker, it can be used as both shale shaker and mud cleaner. The 3 units of shale shakers are installed on the same skid for convenient movement. The anti splash cover is utilized for each shale shaker to prevent the drilling fluids from splashing to the rig floor.


The shale shaker model is GNZS594K, the design flow rate is 140m3/h, the shale shaker is drived by 2 ea vibration motor 1.94KWx2, 4pcs of composite material frame shaker screen are installed on the shale shaker, the total screen area is 2.73m2, the shaker screen is produced compliant with API RP13C standard, with 3 layers stainless steel wire mesh. The shaker deck angle adjusting device including recucer connected by a sturdy rod. Either side can be synchronously change the shaker deck during shaker running. There are 2 ways of fluids discharge for option of the shale shaker, bottom discharge and side discharge, it can be selected by different requirement. We can provide different explosion proof standard CNEX, ATEX, IEC EX for option.


The mud cleaner is a combination of desander cone, desilter cone and bottom shale shaker, according to different requirements, we can use different desander cone qty and desilter cone qty. The mud cleaner including 3ea of 10 inch desander cone, 16ea of 4 inch desilter cone and bottom shaker, the treating capacity is 1000gpm.
For more information of triple shale shaker with mud cleaner, pls contact with GN solids control.

Mud Agitator and Centrifugal Pumps for Overseas Workover Drilling Rig

One batch of mud agitator and centrifugal pumps are ready for delivery for overseas workover drilling rig.
The mud agitator is coupler connection type, the gearbox and explosion proof motor is connected by coupler. The features of the GN E version mud agitator:


1. Helical bevel type heavy duty gearbox for reliable operation, good performance and longer working life.
2. The tooth surface coincidence degree of the helical bevel gearbox is bigger, it reduces the load if each pair of gears and improve the bearing capacity of the gears.
3. The explosion proof motor is installed horizontally for easier installation and maintenance, also the client can install their own explosion proof motor if required.
4. Stirring intensity is high, the sweeping area is wide, it can improve the agitating performance of the drilling fluids
The centrifugal pump is the supporting equipment for oilfield industry, mining and construction industry, it can be applied to transfer corrosive drilling fluids, construction slurry and other mud. In the solids control system and mud circulation system, it can be used as trip pump, desander feeding pump, desilter feeding pump, mud pump charging pump, mixing pump and transfer pump.
Features of GN centrifugal pump including:


1. All the spare and wear parts are interchangeable with world famous brand centrifugal pump, the client can use their inventory parts for GN centrifugal pump.
2. The pump casing is made of wear resistant alloy ductile iron, which extent the working life of the pump casing, with better wear resistance.
3. The impeller is made of wear resistant alloy ductile iron for longer working life, and the open impeller design reduce the bearing capacity of the shaft and extent the bearing service life.
If you need mud agitator, centrifugal pump, mud gun, mud hopper,etc. solids control equipments, pls contact with GN solids control.

Solids Removal Hydraulic Drive Centrifuge Unit for Core Drilling

Recently one batch of core drilling hydraulic drive centrifuge system are ready for shipment. The main components consists of hydraulic drive centrifuge, hydraulic driving system, diesel engine, mud tank, feeding pump, mixing pump, mixing hopper. The hydraulic drive centrifuge system is specially designed for solids liquid separation of waste water in core drilling, in geological and mineral exploration, geological core drilling, the centrifuge separation system is commonly used for solids liquid separation of core drilling mud. It is operated without any electricity power supply, use the diesel engine to supply power. As a modular design hydraulic drive centrifuge unit, it is a lightweight design to meet the requirement for helicopter hoisting.


The features of GN hydraulic drive centrifuge system including:
1. Reduce drilling cost, including reduce drilling waste transportation cost, reduce water consumption, reduce the cost of using chemicals, protect drill bits and mud pump and reduce the wear and tear of these drilling machine
2. Environmental friendly, reduce soil contamination , water reuse to reduce water consumption, reduce drilling waste disposal cost


3. Improve drilling efficiency, skid mounted or trailed mounted design, lightweight, can meet the requirement of helicopter lifting
The technical parameters of the main equipments:
1. Mini decanter centrifuge: GNLW223D, GNLW223D-FHD,GNLW224D-VFD for option, GNLW223D-FHD is fully hydraulic drive centrifuge, bowl diameter is 9 inch, bowl length is 670mm, max treating capacity is 130 L/min, the typical treating capacity is 100L /min, the typical bowl speed is 0 ~3800rpm, the max G force is 2492G, the typical speed is 1777G.
2. Cutting point: 2 ~5 microns
3. Treating capacity of the whole hydraulic drive centrifuge unit: 50~ 130 L/min


4. Driving type: diesel engine drive coupler( including oil source, motor, diesel engine 3ea, control system and hydraulic pipelines) and hydraulic drive system
5. Feeding pump and discharge pump

Containerized Tank Cleaning Oil Sludge Treatment System for Europe Customer

One set of containerized tank cleaning oil sludge treatment system are shipped to Europe customer.

As an OEM manufacturer of oil sludge treatment system in China, GN solids control design and produce standard oil sludge treatment system to treat drilling waste, waste oil sludge, oily water, and other oil waste. We have GNOST-01, GNOST-05 & GNOST-15 oil sludge treatment system with treating capacity 1 ~2 m3/h, 5m3/h and 15m3/h. Also we can produce customized oil sludge treatment system as client’s special requirement. The purpose to use GN oil sludge treatment system is to reduce the drilling waste in volume before feeding to Thermal Desorption Unit and separate the oil, water and solids, so that the power consumption and operation cost will be reduced and the treatment efficiency of TDU will be also improved.


The technical configuration including:
1. 20ft containerized pre-mixing tank module, 2 sets
2. Double deck shale shaker separation module, including the double deck shale shaker with anti splash cover and flushing system, mud agitator, liquid level meter, 1 set


3. Fully Hydraulic drive decanter centrifuge two phase separation module, 1 set , 18 inch bowl diameter, bowl length 61 inch, the typical treating capacity is 60m3/h and dewatering capacity is 15m3/h, The main motor is 100HP, the fully hydraulic drive system is from VISCOTHERM brand. The full hydraulic drive decanter centrifuge can be used in high ambient temperature for heavy mud with flexible bowl and differential speed. The bowl main components are made of duplex stainless steel SS2304 by centrifugal casting, which is superior to the performance of SS304 and SS316L.
4. Chemical dosing unit module, 1 set
All of the above modules are installed inside standard container with certificate for convenient movement. If you need a customized solution of oil sludge treatment system, pls contact with GN solids control