Month: December 2021

As a mud cleaner manufacturer in China, GN solids control can produce different capacity mud cleaner, desander, desilter with single deck bottom shaker or double deck bottom shaker or without bottom shaker.
Firstly we need to know what is a mud cleaner? A mud cleaner is a combination of hydrocyclones and bottom shale shaker.

The mud cleaner hydrocyclones are made of 100% polyurethane for better abrasion resistance. A hydrocyclone should be feed by a centrifugal pump, without the feeding pump, it self can not work properly. We know that for oil and gas drilling industry solids control system , the mud cleaner normally use 4 inch desilter cone and 10 inch /12 inch desander cone, the desander separation cut point is 45~75 microns, the desilter separation cut point is 15~40 microns. The hydrocyclones working principal is as below:
The centrifugal force generated by the centrifugal pump in the hydrocyclones cause the solids in the drilling mud to be separated from the fluids. As gravity increases, the centrifugal force in the cone accelerates the solids settling.  Hydrocyclones can increase gravity 200 times. The solids are discharged from the lower apex of the cone, and the clean drilling fluid is discharged from the overflow and flows into the corresponding compartment through the fluids discharge pipe of the mud cleaner. The next centrifugal pump will transfer the mud from this compartment to the next l processing.

A hydrocyclone including upper cone, bottom cone, clamps, drop in apex, nozzle, some cones also with elbows. The apex opening size could be optional as per drilling fluids conditions in case of blocking in the hydrocyclones. The solids and fluids mixture rotates very fast and spiral down toward the drop in apex of the hydrocyclones.
If you need a solids control mud cleaner, pls contact with GN solids control.

As a vertical cuttings dryer and decanter centrifuge manufacturer in China, GN solids control also provided lots of vertical cuttings dryer and decanter centrifuges to our international clients this year, most of them are repeat orders from ordered clients in the past years, our clients including mud service company, oilfield service company, drilling company, oil company and waste management company. Based on different requirement, delivery time urgency, manufacturing development in client’s countries, they may select to buy the telescopic skid or collection tank skid from GN solids or made locally by themselves. Also for the VFD control panel, if strongly required by the client, we can accept to make it locally.

Vertical cuttings dryer and decanter centrifuge is the core equipment for the drilling waste management system to treat oil based drilling cuttings from primary shale shaker. We also provide screw conveyor to pick up the drilling waste from primary shale shaker of solids control system, and transfer the drilling waste from solids control system to vertical cuttings dryer feed port. We suggest not to stock the drilling waste for long time then to treat the drilling cuttings by vertical cuttings dryer, it will be more difficult to treat it well and get client’s required oil content result, compared with the fresh drilling cuttings, the long storage drilling cuttings is more sticky and with higher viscosity, more moisture during the contact with rain water.

The vertical cuttings dryer main components including feeding hopper, main motor, screen basket, control panel, lubrication system, rotor with flights, bell jar, solids discharge port, liquid discharge port, power unit, gearbox, we recommend the user to prepare for a flushing pump which need to be used frequently according to the drilling waste condition.
If you need vertical cuttings dryer and decanter centrifuge, pls contact with GN solids control.

This week one batch of centrifugal pump and mud agitators are ready for shipment for client’s liquid mud plant project. This is the repeat order from the same client, they always use our centrifugal pump and mud agitators for their liquid mud plant. Based on the mud storage capacity and mud tank quantities, the required centrifugal pump and mud agitators will be different.

GN centrifugal pump all spare parts are 100% interchangeable with most international brand pump, which can be used to replace the spare parts for the old pump. The pump casing and wide open vane impeller are all make of hard ductile iron alloy, which is better abrasion resistance material and with longer working life. The pump casing and impeller are one of the most wearable parts for the pump, to use the proper material to build these parts is very important. All the bearings are from world famous brand bearing, such as FAG for reliable operation. The centrifugal pump skid is made by casting for less vibration and reliable operation, so that the centrifugal pump working life can be extended. The traditional welding centrifugal pump skid cost less, but GN solids control will always provide the best performance manufacturing equipments.
The mud agitator with bevel helical type gear box, different with the previous worm wheel type gearbox , the bevel helical gearbox with the advantages as below:
1.    Compact design, with less space requirement
2.    Higher efficiency up to 95%

3.    With the same electric motor, the helical type gearbox mud agitator with higher efficiency for agitating the mud, especially for the mud with higher density by weight, it won’t became too hot to stop working or overloading, the agitating performance is better.
If you need centrifugal pump and mud agitator for your liquid mud plant, pls contact with GN solids control.

As a manufacturer of decanter centrifuge and oil sludge treatment system, GN solids control can also produce three phase decanter centrifuge and three phase disc centrifuge, which can be used for oil sludge separation unit.
3 phase decanter centrifuge is a solids liquid liquid separation machine, in the complete oil sludge treatment process, one unit of 3 phase decanter centrifuge can replace the design of decanter centrifuge + 3 phase disc centrifuge. Both of the design can separate solids, water and oil, to get the dry solids for disposal or landfill, pure water can be sent to waste water treatment facility and recovered oil can be sold.

How to select the design with 3 phase decanter centrifuge or 3 phase disc centrifuge?
1)    When the user required treatment result is not high, they can accept more oil in the solids. The recovered oil is not so clean and more oil in the water, they can select the 3 phase decanter centrifuge. But if the recovered oil required with BS&W below 2% ~3%, then they should use 1 unit of decanter centrifuge plus 1 unit of 3 phase disc centrifuge. The benefit of 3 phase decanter centrifuge is that the easy maintenance and operation compared with disc centrifuge.
2)    When the budget is limit, one unit of 3 phase decanter centrifuge is with competitive price than one unit of decanter centrifuge and one unit of 3 phase disc centrifuge.

3)    Less power consumption, for 5m3/h oil sludge treatment system, the power consumption of 3 phase decanter centrifuge is 27.5KW, the power consumption of one unit of decanter centrifuge and one unit of 3 phase disc centrifuge is 66.5KW.
Both of the 3 phase decanter centrifuge and 3 phase disc centrifuge need to work with proper chemicals to archive better separation result.

As a manufacturer of solids control system and drilling waste management system manufacturer in China, GN solids control can also design and produce liquid mud plant, recently one set of 35000bbl liquid mud plant are shipping to port for our client– drilling fluids service company.

The technical configuration is as below:
Part 1: mud mixing system: 2 units of mud mixing tank with dust free hopper and mixing pump, mud agitator, mud gun, transfer pump, pipelines, electric control system, handrails, walkway.

Part 2: mud processing system, including 1 unit of GNZS594F linear motion shale shaker, 1 unit of GNLW452D middle speed decanter centrifuge, 1 unit of GNLW363C high speed decanter centrifuge, with decanter centrifuge feeding pump, mud agitator, mud gun, transfer pump with soft starter, pipelines, electric control system, handrails, walkway. The decanter centrifuge is made of anti-corrosion and wear-resistant material, the centrifuge bowl is made of duplex stainless steel 2205, the screw is made of stainless steel 316L, the screw is protected by tungsten carbide tiles, the solids distribution port and fluids distribution port is protected by tungsten carbide alloy. The bearing is SKF brand bearing for longer working life.

Part 3: storage system: including 70 units of 500bbl (80m3) vertical storage tank, total capacity is 35000bbl, with transfer pump and soft starter, pipelines, guardrails, walkway, stairs. The user will connect the pipelines with their existing pipeline from dock
Part 4: Dry Bulk Silos: for dry powder storage, such as Bulk Barite/Cement pressurized silos
Part 5: air supply system, including air compressor and its accessories.
Part 6: if required the system can be connected with drilling waste treatment system, such as vertical cuttings dryer, dewatering centrifuge, high G drying shaker, screw conveyor, etc.
We can design customized liquid mud plant as per client’s requirement, pls contact with GN solids control for more information.