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Oct 21
Solids Control or Separation? What is now GN offering
Few days ago, got a call from client, we need the desanding unit, as shown in your separate flyer, with understanding now you are doing oil sludge separation, this is a different application. Got very confused actually after that call, well yes, we did quite some projects on oil sludge treatment, and it is getting better and better business, yet if you still stay with GN, you will understand.
GN Solids Control still a solid liquid separation company, we are doing separation job. In oil gas, we are offering packages of solids control, waste management, and oil sludge treatement; for civil projects, we are offering desanding units, self contained compact mud systems; in coring diamond drilling, we are supplying small mud systems; for mining, we are offering system, solid bowl decanter centrifuges; for food industry, we are offering various decanter centrifuge for option.


And in other application, we still offering separation solution, once we did helping a ship to prepare a separation system to help them get rid of all the staff from ship deck and ship body after a long trip.

And below is GN Product Lines

Expecting your call…

written by desander desilter

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: , , , ,

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: , , , , , ,

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

Desilter, which is another kind of solids control equipment for treating the drilling fluid. In this article, we will mainly introduce the Desilter made by GN Solids Control.

Actually compared with the desander, the desilter has the same working principle, similar structure and different configurations for customer option.

GN Desilter

GN Desilter


Usually desilter is matched together with the shale shaker and desander and used for doing the 3rd-stage separation with the drilling fluid.

Most of the big sizes of drilling cuttings over 40μm will be separated after being treated by the shale shaker and desander. In next step the drilling fluid goes into the desilter and most of the solid particles over 20μm are separated out from the fluid and the drilling fluid become much more clear.

The main part of desilter is also the hydrocyclones, but the size is different with the desander’s. Each hydrocyclone used on GN’s Desilter are 4 inches and its standard treatment capacity is 20m³/h. Usually 8 units, 12 units or 16 units of hydrocyclone are standard configuration on GN’s Desilter, the corresponding standard treatment capacity is 120m³/h, 240m³/h and 360m³/h. It is also customized and the customer could choose specific quantity of hydrocyclone for different treatment capacity.  Continue reading »

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

Jan 18

In this article, we will mainly talk about GN shale shakers’ different combinations with Desander or Desilter, Desander and Desilter together are also available for customers. The details are as below,

1. GN Shale Shaker & Desilter AIO (all in one machine)

GN Shale Shaker & Desilter AIO

GN Shale Shaker & Desilter AIO


Compared with separate shale shaker or desilter, this AIO machine’s function could be much stronger and the whole structure could be more compact. It has 2 stages function for treating the drilling fluid.

The 1st stage is by using the shale shaker for separating out the solid articles over 100μm usually;

The 2nd stage is by using the desilter for separating out the solid articles over 20μm usually;

The quantity of the hydrocyclones of desilter is selectable based on different treatment capacity in unit time.


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

GN Shale Shaker & Desander & Desilter AIO

GN Shale Shaker & Desander & Desilter AIO

This machine is the combination of shaker and desander. Compact structure and perfect work performance make it popular in all most all the drilling industries.

The desander is usually for separating out the solid particles over 40μm in the drilling fluid.

Firstly the drilling fluid is screened by shale shaker and then treated by desander.

Based on the requirements for different treatment capacity in unit time, the quantity of hydrocyclones of desander could be selectable.


3. GN Shale Shaker & Desilter & Desander AIO (all in one machine)

GN Shale Shaker & Desander & Desilter AIO

GN Shale Shaker & Desander & Desilter AIO

Actually this combination of shaker, desilter and desander is called “Mud Cleaner” in GN.

Its advantage is also compact structure and has the complete functions for treating the drilling fluids with 3 stages.

The 1st stage is by shaker, usually the solids particles over 100μm in fluid could be separated out;

The 2nd stage is by desander, usually the solids particles over 40μm in fluid could be separated out;

The 3rd stage is by desilter, usually the solids particles over 20μm in fluid could be separated out;

This machine has 2-layer screens. The lower screen is used for doing the 1st stage separation, the upper screen is used for further screening the separated solid particles by desander and desilter and reducing the water in the solid particles.

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

Jan 06

One fixed 500GPM drilling mud recycling where possible system was sent to Center East for water very well drilling. Besides the drilling mud recycling system for essential oil drilling, they also need tool water well for day-to-day requirement for clean water. For your person living in Middle Distance, water is more important as compared to oil. Sounds like a job, although that is reality.
Water nicely is not so deep much like the oil well, and the drilling cost is also very cheap looking at with oil drilling. But both this 2 drilling processes need the going mud recycling system to be able to speed up the drilling procedure and protect the punch bit. Water well going may not need the used drilling mud to be separated extremely clean as it is not required strictly. Just like this 500GPM unit shipped to Midst East, it is a very stream-lined model, while it has all of the necessary separation equipment.GN drilling mud system

They have one unit shale shaker GNZS703DZ with 3 panel screens which could remove out solids always larger than 600 microns. This model is by using the mud feeder along with the shaker deck so this shaker could be considerably more compact. As the water very well drilling is always not so deeply, hence, the solids developing the drilling mud is obviously not so hard. In this 500GPM mud recycling system, typically the de-sander cone is not loaded, but directly the de-silter cone would be used to individual the solids size of all-around 20 microns.
This 500GPM water well drilling mud system is a standard GN model GNMS-500G with 3 unit centrifugal pumps. One among each is used as giving pump for the de-silter cyclone, and the other one is useful for mud mixing, the mud tank is divided into a couple of compartments. It has enough space regarding clean mud storage.
Even though this 500GPM mud system is for water well drilling , it can also be used in other drilling project like HDD. Since the working principle is completely the identical. The customer killed two chickens with only one stone.

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

Dec 28

GNZS703E is a 3-panel single deck shale shaker with linear motion. The shaker model is designed and made by GN leading solids control manufacturer – GN Solids Control. GNZS703E is the latest design of GN 3 panel single deck shaker.

Applications of GNZS703E shale shaker

1) The shaker can be used for oil and gas drilling, used as the first step solids control equipment.

2) The shaker model can be used in compact mud recycling system for horizontal directional drilling (short name: HDD), water well drilling, coal bead methane (also called CBM drilling).

It can also be used in other underground construction system as pre-separation, to remove the solids.

GN shale shaker

Extended models of GNZS703E shale shaker per different feeding type

Option 1 is top feeder; relative shaker model is GNZS703E-DZ.

It is designed for oil and gas drilling field. As in oil and gas drilling field, the dirty mud from well head will be transferred by pumps through pipelines. They do not use mud pit for storage. And mud pumped from well head will flow to the shale shaker feeding box through the pipelines and fall down directly to shale shaker under the gravity.

In this case, the back feeding type can reduce the height for feeding.

Option 2 is back feeder. It is specially designed for HDD and water well drilling.

As in HDD, CBM or water welling drilling, the system is compact and mud tank will not be big side. Top type feeding shaker is with a smaller footprint. East for layout.

In this kind of drilling, there is commonly a mud pit around the drilling rig. The dirty mud from well head will be pumped to mud pit first , and then transferred to mud system shale shaker by a slurry pump.

Other application of GNZS703E shale shaker

The shale shaker can be combined with desander cone assembly and/or desilter cone assembly to used as desander separator, desilter separator or mud cleaner.

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

Dec 10

Chinese manufacturer GN Solids America LLC produce its own sand pump and offer the world with many other drilling mud machine. We are an first choice of  solids control machine vendor for India, Russia, Middle East.regions. Oilfield Companies of the Turkey, Venezuela, Indonesia ,Turkey, and Africa region.  Contact us and make a ideal choice choose us as vendor because our factory and company are API and Quality Management System ISO 9001-2000 certified.GN Solids America operate sales, service, manufacturing, and distribution all by itself.

Sand pump is the mud feeding equipment in oil and nature gas drilling fluid filtrations system. The quality shift seat is critical because when the shaft seal of  is having leakage, it not only led to the efficiency of pump is decrease but also pollute the environment by the drilling fluid. So the problem of shaft seal is the main factor to influence the quality of the sand pump.




Compared with common seal, the composite seal has two parts seal for decrease the seal pressure of packing and improve the working condition of the pump , decrease the wearing and increase the usage life.

There is a points oil ring in the middle of the stuffing box, then decrease the shaft and packing for friction caused by the heat, decrease the produce cost and improve the efficiency of pump. The composite seal has the advantages of packing seal and centrifugal seal, the shaft seal don’t has fluid leakage, long pump using life and maintenance is less, it  surely meet the demand of the market.
GNSB series sand pump manufacture by GN Solid America LLC is the ideal choice of equipment to provide fluid feeding for desander, desilter and  other solids control equipments and mud  recycling systems.

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

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