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Aug 05

GN Solids Control is one of the largest solid control and waste management companies which specializes in manufacturing the related equipment, such as shale shaker, desander, desilter, mud cleaner, vacuum degasser, mud gas separator, decanter centrifuge, agitator, centrifugal pump, cutting dryer, screw pump, shear pump, mud gun and so on. After 10 years development, GN has promoted its products to over 60 countries and now it also established two overseas subsidiaries, US and Russia.Dredge-Dewatering
Recently GN formally introduced its four solid control and dewatering system, and slurry dredging system is one of them. Now we will introduce the configuration and some features to you. According to the customer’s working condition and requirement, the system can be made into skid mounted or trailer mounted. The system mainly consists of the course shale shaker, desander, desilter, decanter centrifuge for 3 to 6 stages of separation according to customer’s needs. The working process is like this: the dredged slurry pumped from the pit or river tunnel, first the slurry will go through the scalping shale shaker, the solids like the trash, can, leaves, stone and so on will be separated from the slurry and the slurry will drop to a tank, then the slurry will be sucked by the centrifugal to the desander, and desilter’s hydrocyclone, in the hydrocyclone, the solids from 20-60 microns will be separated and discharged and then dropped to the vibrating screens for further drying. The cleaner slurry will go into another tank then be pumped into the decanter centrifuge, and the solids over 2 microns will be separated and the cleaner slurry will be discharged to the system. If possible, there could be another chemical decanter centrifuge to separate the solids close to zero microns. The whole equipment and configuration could be customized per customer’s requirement and working condition.Dredge-Dewatering-1
That’s the brief introduction of the slurry dredging system. Hopefully it will be useful to you. We will try our best to assist your business to be successful. Welcome to visit www.gnsolidsamerica.com and please send your inquiries to [email protected]

written by GN Desander Desilter \\ tags: , , , ,

Jul 22

GN Solids control was established in 2007 in China, after 10 years development, it has grown from a small local Chinese company to an industry leading company in the global market. Now its product range covers almost every aspect in the solid control business, such as the shale shakers, desander, desilter, mud cleaner, decanter centrifuge, vacuum degasser, cutting dryer, centrifugal pump, agitator, screw pump, screw conveyor, mud gas separator and so on. In a word, GN Solids Control could be your one stop shop for solid control business, no matter you are in the oil and gas industry, mining industry or the civil construction industry, you can always find the right products for your work.

During all products, the GN’s first time customer may feel confused and don’t know how to quickly select the products they need. Today, we will introduce the method on how to quickly and effectively choose the right shaker screen for your projects. Now GN can manufacture both its own  OEM shaker screen or the replacement screens for some other famous manufacturers, like DERRICK, MI SWACO or NOV BRANDT. For GN’s own OEM screens, they can be used on its three types of shale shakers and mud cleaners, such as GNZS703, GNZS594, GNZS752 and GNZJ703, GNZJ594, GNZJ752.  So when you start to order screens, whether it is GN’s OEM or the replacement screens, you need to let us know the following info: let us know the shaker brand and model to decide the dimension and design of the screen. If you can’t supply that, we will need detailed drawings with dimension, photos or even screen samples.  We can do both the framed screen or strip hooked screen, for the framed screen, you will need to let us know you need the composite or metal frame. Now we suggest our customers using the composite instead of the metal frame, cause it’s more endurable, corrosion resistant, greater non-blank area and lighter. Now GN’s number 2 factory has been into production which can manufacture 5000 pieces of screens per month. So there is no problem for delivery. For the strip hooked screens, especially for replacement DERRICK screen, you need to let us know you need the pyramid or flat surface screen. And for the screen you need, you’d better give us the API number or the ASTM or ISO standard mesh number or the cut point. And last but not least, you need to let us know the quantity for each API number, the destination, the delivery time, if there is some special needs for labels or package.

That’s the basic method for ordering screens. Hopefully it will be useful to you. We will try our best to assist your business to be successful. Welcome to visit www.gnsolidsamerica.com and please send your inquiries to [email protected]

written by GN Desander Desilter \\ tags: , , ,

May 16

Mud cleaning system is two main parts, the storage mud tank on below and many machines serve as purify the drilling fluid, which get rid of the solid debris in drilling fluid. The mud tanks which store drilling fluid are divided into circulation tanks and store tanks. Circulation tanks as a part of the filter cycle, there are shale shaker, vacuum degasser, deserter, and desander and decanter centrifuge on the top of tank.

The 1st level of purification
the drilling mud pumped away from the rig and flow-down in the shale shaker. The allocation drilling fluid enter into the bottom of the drilling well under the foundation of the drilling pump and carry drilling debris return the ground, through the elevated tubes enter into the shale shaker, the larger solid debris in drilling fluid are filtered through screen

Desander with GNZS752 Series Mini Shale Shaker

The2nd level of purification
When drilling fluid have debris contain gas, The use of vacuum degasser remove the gas which in the drilling fluid and can recover the density of drilling fluid, calm the drilling fluid viscosity.

The 3rd level of purification
the drilling fluid is disposed by two levels, mud purification enters into the desander.  Through the desander feed into the liquid pump, the harmful sold phase which the diameter is above 40-60um is separated in desander.

The 4th level of purification
the drilling fluid is disposed by the three level purification enter into the desilter through the desilter feed into the liquid pump, the harmful sold phase which the diameter is above 15-40um is separated in desilter.

The 5th level of purification
The drilling is disposed by the four level purification enter into the decanter centrifuge through the centrifugal feed liquid pump, the small harmful sold phase particles are separated in decanter centrifugal.

Usually, all five purification is all working at the same time. If it works one equipment or several equipments, the parameters of the drilling fluid can all meet the work requirements; it can work in one equipment or in several equipments. After the purification, drilling fluid can re-use in the drilling cycle

More informantion about drilling mud system , pl feel free to contract GN solids control.

written by GN Desander Desilter \\ tags: , , , ,

May 16

In this article, we will introduce the features and advantages of mud cleaner that manufactured by GN Solids Control


Mud Cleaner, 1 of the widely used machines in treating the drilling mud and realize the solid-liquid separation and guarantee the mud can be used again, is one of the most earliest researched out products in GN. It is also 1 of the advantageous products that GN manufactures and sales 250 units per year.


Mud Cleaner is a three in one machine, the shaker, desander, desilter are combined and put together.


Since the 1st unit of mud cleaner was manufactured in GN, actually it also has went through a lot of improvement work. Until now, if the customer has the good advice with the machine, GN will be willing to accept and turn the advice into real change on the machine.


Compared with the mud cleaner manufactured by competitors, GN’s mud cleaner has some features as below,


  1. As in the real work, different customers from different industries have some differential requirements with the mud cleaner, such as for the treatment capacity, the explosion proof requirement, the feeding type, etc.


GN’s mud cleaners have different treatment capacities for customer choice, like 500GPM’s small treatment capacity, 1000GPM’s, 1500GPM’s, etc.


As has different explosion proof standards in countries, GN has the “ExdⅡbt, IEC, ATEX…” Ex standards for customer.


  1. As 1 of the working principles of mud cleaner is to vibrate the mud and make the mud move on the screen by the vibration motor, the vibration strength will be high. In order to ensure the mud cleaner can burden the high vibration strength, the whole deck of mud cleaner is through the high temperature heat treatment to increase its strength.


  1. Duo to the bad work environment and condition, there is high requirement with the machine’s reliability and stability, all of GN’s mud cleaners are equipped with the parts from world famous brands, such as the Martin & Oli for vibration motor, Siemens & Schneider for the electrical components, etc.


Ensure the products with good quality are provided to customer and can create constant value is always the psychology of all GN’s people.


Finally, Welcome to contact us for any need:


Email:[email protected]

written by GN Desander Desilter \\ tags: , , ,

Apr 01

As a world-famous manufacture of solids control equipment & Drilling Waste Mangement, The Desander is one of the main products of GN Solids Control. In this article, we will mainly introduce the knowledge about Desander Model Selection.


As showed in below pictures, they are all the desanders that GN Solids Control supplies.


1). Desander (Drying Shaker not equipped): 

  • the cut point is +40 microns;
  • the “Cone QTY” is optional according required capacity;
  • the cone size is 10”, treatment capacity of each cone is  120m³/h;


2). Desander (Drying Shaker equipped);

  • Shaker is used for drying the solid-phase discharged from the nozzle. More dryer solid-phase can be gotten and the liquid-phase could be recycled;
  • Compact structure, the Assy could be devided into Desander and Shaker conveniently;


3). Mud Cleaner (Desilter & Desander & Drying Shaker three-in-one machine)

  • Desander is used for sperating out the solid-phase +40 microns;
  • Desilter is used for separating out the solid-pahse +20 microns. Its “Cone QTY” is also optional, the cone size is 4”, treatment capacity of each cone is  20m³/h.
  • Shaker is used for drying the solid-phase descharged from both nozzles of Desander and Desilter;


When customer inquires the Desander, below info is needed to let the manufacture know so that the proper model of desander could be recommended and could meet the actual demand.


1). How much is the treatment capacity that needed?


2). How is the expected treatment effect? Such as the “cut point”, “liquid content in solid particles”, etc.

Note: The Drying Shaker could effectively reduce the liquid-content in discharged solid particles, so the shaker needs to be equipped if the customer wants to get much more dryer solid particles.  


3). the actual “Working Process introduction” about “treating the drilling mud”, it will be important for the manufacture has a clear understanding about the desander’s application, etc.


Finally, if you want to learn more about the Desander manufactured by GN Solids Control, welcome to visit our website and contact us.



Email[email protected]


written by GN Desander Desilter \\ tags: , , , ,

Mar 23

GN solids control is professional to design and produce mud tank system for HDD machine, HDD mud recycling where possible system is one of our main business, especially when oil business gets slowly recently.
Mud agitator, mud gun, centrifugal pump, mixing hopper, mud tank, shale shaker, desander, desilter, mud cleaner would be the main equipments for mud recycling system. We do not generate HDD machine, but we are able to help the client to choose the greatest suitable model or suggest goods suppliers. We could offer complete service for the mud recycling solution, even for your pitless solution. Our drilling waste management system may be used not only for oil and gas drilling, but also for HDD and all other core drilling tasks.

Sometimes low speed centrifuge will be applied when the drilling has been a long while and more fine solids gathered in the drilling fluids, the actual recycled drilling mud cannot be re-used for drilling, you have to separate the fine solids firstly by decanter centrifuge, GNLW452 centrifuge is the ideal option with economic price as well as separation point 5~7 microns.
We have economic desanding device with compact footprint as well as self-contained mud recycling system, self-contained mud cleaning system is ususally used for HDD, water well drilling, geothermal drilling, CBM drilling, desanding unit is usually used for adding, tunneling, etc construction tasks.
We have 7 models of mud agitators for option, with assorted power electric motor 3kw, 5. 5kw, 7. 5kw, 11kw, 15kw, 18. 5kw, 22kw, and each model along with single impeller or dual impeller for option, the actual agiator shaft is personalized according to the mud tank internal depth. For offshore drilling mud tanks, the liquids touch parts( agiator base and impellers) could be made from stainless steel. Our mud agitator is horizontal installed, a few agitators are with coupling, some agiattors are linked the gearbox and electrical motor directly.


written by GN Desander Desilter \\ tags: , , , , , ,

Mar 01

This is simply not the first time CNPC order the actual solids control system through GN Company. This time often the ordered items are 3 units 500GPM drilling mud system which were successfully tested husband and wife days before. During the afterwards acceptance check by staff members from the CNPC, the process ended up being also very smooth.
The basic construction of each mud system is just as below:
1 . 20 ft container shaped mud tank for drilling mud storage space.
2 . De-sander cyclone and also de-silter cyclone matching the actual treating capacity of 500GPM. The under drying shaker is using GN’s popular type GNZS703E that is very popular in compact structure mud recycling system.
3. Centrifugal pumps equipped as shifting machine to feed the particular drilling mud to the cyclone unit.

drilling mud system
The features of these mud recycling systems worthy to say are:
1 . Double cellular levels shale shaker used to be both coarse shaker as well as drying shaker.
To make the mud system more compact, the shaker of GNZS706E was employed with the bottom layer screen for primary coarse solids separation, while the upper part screens are used for drying the particular solids discharged from the cyclones. This design was made along with full consideration on presence and full functions. This really is always GN does to offer the best solution for clientele.
2 . Frame to install tools for easy installation and travelling.
The de-sander and de-silter unit are pre-installed for a steel frame, and then position the steel frame on top of the actual mud tank. This style helps to save the time regarding client to install the shaker unit on the mud tank for every time changing function site. It could be seen as a flip package. Moreover, clients can certainly cover the cloth outside of the frame for poor temperature.

CNPC also ordered additional equipment and system through GN Solids Control
– Modular drilling cuttings management unit for CNPC construction site
2 .
5 Sets Up and down Cuttings Dryer for CNPC Algeria Project 3. WBM Drilling Squander Centrifuge system for CNPC
4. ZJ50 Rig Mud Cleaning System for CNPC LiaoHe Oilfield

It is the steady quality of GN’s services considerate services ensure the many repeated orders from CNPC. It is believed that more plus much more clients will do same thing, along with mud recycling system is absolutely not the only way we can cooperate.

written by GN Desander Desilter \\ tags: , , , ,

Jan 28

The company who provides the environmental protection service may have this company for dredging in canals or lakes. Many years’ soil sedimentation down to water bottom, leaves falling in the water and then rot, as well as the trash threw into the normal water will make the river mattress higher and higher which leading often the pollution of the water and also the cutoff of the water flow. Therefore , we need take action to take out the sand, silt and trash at the bottom connected with water to make the water clear.
To take the solid things out from the water, we need a good and liquid separation system to do this job. As a foremost manufacturer of solids control equipment, GN solids control luckily jointed a project to really make the lake water clean really residence district. There is a dredging boat that can take the strong mixed with water from bottom level of the lake, the grubby slurry was sucked away and delivered on to the property with smelly smell.

Hull cleaning system

Hull cleaning system

The actual slurry is fed using a steel wire box just where large size solid stuff will likely be blocked and collected. Then your liquid will be pumped to be able to GN’s solids control system. In this system, GN created 3 stages for solids control including shale shaker, de-sander and de-silter. The de-sander and de-silter have underflow shaker that could stumble through discharges from cyclone considerably dryer. After treated with the de-silter cyclones, the sturdy stuff with size bigger than 15-20 microns will be eliminated. And the rest solid from the slurry is difficult to eliminate by using mechanical machinery.
Flocculation is a good method to gather often the ultra fine solids within the slurry. Add the flocculation agent into the slurry depending on certain ratio and then entirely mix with agitators. The flocculated slurry will need several times with regard to sedimentation and then will be streamed to belt filter click for final dewatering method. The solids will be dismissed with a thin cake design, and the water could be wiped away directly back to later or maybe river.
The advantage of the filtration system press is to make the solids much dryer, and negative aspect is high cost and modest treating capacity. Some other service provider will use decanter centrifuge to try and do the final dewatering job with consideration of its much larger treating capacity.

written by GN Desander Desilter \\ tags: , , , , ,

Jan 21

Different customers have different requirements with the desander, like different treatment capacities, different configurations and so on, in this article we will mainly talk about the different types of desanders made by GN Solids Control Company for customer option.


1. Firstly we will talk about the different options of treatment capacity with the Desander.

As we know, the main part of 1 desander is the hydrocyclone. For GN’s desander, each hyrocyclone is 10inch and the treatment capacity is 120m³/h. So the quantity of the hydrocyclone is optional based on customer’s requirements. Such as below,

Desander 1

Desander 1


Desander 2

Desander 2

2. Sometimes, the customer needs compact structure as limited by floor space but complete functions, GN could also provide different corresponding configurations for customer option, the details are as below,

2.1. Desander & Shale Shaker AIO (all in one) machine.

The desander could be combined together with different types of shale shaker.

Desander & Mini Shaker

Desander & Mini Shaker

Desander & Big Shaker

Desander & Big Shaker

  • When customer needs the big treatment with compact structure, like for the Oil & Gas Drilling with big rig, large HDD rig, Tunneling Boring Machine and so on, the densander combined together with a big shale shaker is available.

2.2. Desander & Desilter & Shale Shaker AIO (all in one) machine Continue reading »

written by GN Desander Desilter \\ tags: , ,

Jan 21

In this article, we will mainly talk about the desander’s working principle.

Desander, one of the most widely used solids control equipments used on treating the drilling fluid.

GN Desander

GN Desander

As we know, with the drilling fluid circulates the drilling cuttings chipped away by the drilling bit continuously when the drilling rig is working, the different sizes of drilling cutting goes into the drilling fluid and the physical properties of drilling fluids will be changed, such as the density, viscosity, solid content, etc. The drilling fluid could not meet the further work demand.

In order to save the cost and protect the environment, in most of the time the drilling fluid needs to be recycled. Now the Desander and some other necessary solids control equipments like Shale Shaker, Desilter, Decancter Centrifuge will be worked together for treating and cleaning the drilling fluid. By through treating the drilling fluid, the different sizes of drilling cuttings will be separated out and the physical properties of drilling fluid will be recovered.


According to the technical design, the Desanders made by GN Solids Control company are usually used for separating out the solids particles over 40μm in the fluid loop.  Continue reading »

written by GN Desander Desilter \\ tags: ,

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