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drilling fluids | GN Desander Desilter
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Mar 31

Recently, we got news from competitors. Lots of solids control manufacturers close their office in Beijing, close their office in the downtown, close their office in USA, close their office in Russia…. All behavior shows that the drilling mud system suppliers want to reduce the production and operations cost, and they try to survive in this cold time.

BUT, GN Solids Control will keep normal operations and keep supporting the market even in the down time. Pls contact us freely at any time.


GN operations base at USA.

GN Solids Control USA office and warehouse is keeping in good operations. If you are close to USA or you can come to USA very convenient, we welcome your coming to visit GN Solids America LLC and check GN decanter centrifuges, GN vertical cuttings dryer, GN mud cleaner, GN shale shaker at GN Solids America LLC location.

GN operations base at Russia.

GN operation base at Russia also working there for over 2 years. In the past two years, we shake hands with many big drilling contractors, mud service companies and solids control equipment big distributors. The client slowly tend to trust GN product after some small orders. And from this year, we got big orders from Russia client, they need more centrifuges and vertical cuttings dryer to support the drilling contracts.

GN operations base in Beijing, China.

GN already expand production capacity from last year. With more land for workshop and more high end technology mechanic process machine, GN solids control is growing up to big solids control company which can have similar reputation to USA brand solids control companies. We are attending CIPPE 2016 with the largest booth there in solids control field. 400 square meters booth at CIPPE will welcome each client from different countries, let’s talk more at the CIPPE and build health cooperation relationship for the upcoming project.

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

Dec 07

GN decanter centrifuge can be employed for drilling mud treatment method, waste water treatment, to clear out fine solids from water medium, thus to adjust often the physical property of the chemical medium, eg. Viscosity, occurrence, weight etc . GN typically offer high speed & middle acceleration centrifuges, treating volume can also be different from small capacity to huge capacity.
GN mini centrifuge
GNLW 223 is usually GN mini centrifuge, little capacity, high speed, which can be useful for waste water treat to get diamond drilling. The speed could reach to 3800RPM along with treating volume is about 6m3/h. Price of GNLW223 is also suit for diamond drilling grounds.
GNLW553 is GN significant bowl big volume decanter centrifuge. The volume can be 500gpm and the speed is tweaked from 1800RPM to 2500RPM. The big bowl centrifuge is definitely specialized for fast going, or other type of program.
GNLW363 is GN hottest model centrifuge. We have through 150sets centrifuge for yearly sales amount. The centrifuge is widely used in solids control, drilling waste management, waste materials water, environmental projects and many others. For this model, we can present 4 types centrifuge:
GNLW363CD fixed speed centrifuge, economical configuration
GNLW363CD-VFD variable velocity centrifuge, economic configuration
GNLW363CG fixed speed centrifuge, high quality configuration
GNLW363CG-VFD variable pace centrifuge, premium configuration
In connection with fixed speed centrifuge, we are able to offer 2200RPM, 2700RPM, 3200RPM bowl speed by adjusting the pulley with devices; variable speed centrifuge, it could be adjusted stepless from 0-3200RPM.
Regarding the production material, GN premium centrifuge is better than economical centrifuge, with better doing work performance and long life time.
Pls read more from GN website: GN decanter centrifuge

Except for drilling mud decanter centrifuge, GN can also present complete line of solids control equipment, including shale shaker, mud cleaner, centrifugal penis pumps, shear pumps, screw sends, mud agitators, jet mud mixers, mud gun, mud tanks. GN can also present complete line of drilling squander management equipment, including Substantial G dryers, vertical cuttings dryer, waste management centrifuge, cuttings solidification unit, energy desorption unit etc .

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

Nov 06

GN Solids Control sell a series of solids control equipment and drilling waste management equipment including vertical cuttings dryer , shale shaker , screw conveyor , shear pump , oilfield shale shaker , mud cleaner , desander and desilter , vacuum degasser , poor boy degasser , decanter centrifuge , mud tank , mud agitator , etc . GN Solids Americal normally keep stock for GN main product and shale shaker , mud cleaner and decanter centrifuge always keep stock there to service local client . GN keeps research and develop the best technology to manufacture top quality shaker screens for our clients.

GN Solids Control Houston

GN Solids Control has many experienced engineers who can provide excellent after sales service, installation and debugging.

With the establishment of GN Solids America, GN is more and more popular by the North American companies and South America companies.

Usually, in order to provide a better after sales service, GN Solids Control sends a checklist for customer to fulfill. It’s mainly including the following items:

Prepare Checklist before Onsite Instruction for Installation & Debugging
Project Name & No. Worksite Add.
Company Name Service Period
Contact Person Contact Phone
Equipment Checklist Result
Category Description
1 Solids Control Systems & the other Equipments Water Water source and connections are qualified to use. Yes  □

No  □

2 Solids Control Systems & the other Equipments Worksite Environment Onsite environment are qualified to construction and running equipments. Yes  □

No  □

3 Solids Control Systems & the other Equipments Worksite Fire Safety etc Onsite pass permission, flame operation permission, necessary operation permission etc are ready to use, onsite training schedule confirm Yes  □

No  □

4 Solids Control Systems & the other Equipments Worksite Assistant Worksite assistants reach to the agreed quantity, qualified to operate and coordinate. GN engineers are mainly responsible for guidance of installation and debugging. Yes  □

No  □

5 Solids Control Systems & the other Equipments Power Supply and Control System Generator power, control system, power cables and branch cables (knife switches etc) are qualified to use. Yes  □

No  □

6 Solids Control Systems & the other Equipments Handling Equipment Crane, excavator, forklift etc and necessary instruments are qualified to use. Yes  □

No  □

7 Solids Control Systems System Layout The whole mud system working principle and flowing recycling is acknowledged. Yes  □

No  □

8 Solids Control Systems System Pipelines Connections 8.1 Pipelines from wellhead to shaker or submersible pumps power, capacity, control system and pipelines meet the specifications and quantity.

8.2 Pipelines between storage tank and mud pump as well as the auxiliary components (valves, reducing pipes) etc meet the specifications and quantity.

Yes  □

No  □

9 Solids Control Systems System Cleaning Pipelines Cleaning systems are equipped with all the necessary flushing pipelines, adding water lines etc, meet the operating demands. Yes  □

No  □

10 Solids Control Systems Poor Boy Degasser Supporting components of feeding pipelines, discharge pipelines, air out lines, cleaning pipelines such as reducing pipes, valves, joints or elbows etc meet the operating demands. Yes  □

No  □

11 Jet Mud Mixer Jet Mud Mixer Feeding pump, in and out lines as well as connections, valves or joints etc meet the operating demands. Yes  □

No  □

12 Desander, Desilter Desander, Desilter Feeding pump, in and out lines as well as connections, valves or joints etc meet the operating demands. Yes  □

No  □

13 Vacuum Degasser Vacuum Degasser Feeding line and discharge line are completely in vacuum state. Yes  □

No  □

14 Decanter Centrifuge Decanter Centrifuge 14.1. Feeding pump, in and out lines as well as connections, valves or joints etc meet the operating demands.

14.2. Backflow lines and clean water lines etc meet the operating demands.

Yes  □

No  □

15 Vertical Cuttings Dryer Vertical Cuttings Dryer 15.1 Feeding systems and equipments (model, power, control system) meet the operating demands.

15.2 Discharge systems and equipments (model, power, control system) meet the operating demands.

15.3 Cleaning pumps’ power, pipe lines connections such as changing diameters, valves or some other joints meet the specification and quantity demands.

Yes  □

No  □

16 Cuttings Dryer, Decanter Centrifuge, Solids Control System Control cabinet and air compressor VFD control cabinet or air compressor meet the specification and quantity demands such as power, gas storage capacity, connections, valves or various joints etc. Yes  □

No  □



Related Posts

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

Sep 18

Drilling mud circulation during zero-discharge system is an endless cycle. However, while the drilling fluid filtering through the start from shale shaker to the end of decanter centrifuge,
The density of the mud changes during filtrations. The total amount of the drilling fluid will lose by continuing fluid filtering as well. Jet mud mixer use to make up the lst of the drilling mud by adding new fluid into existing fluid and mix them well. It is also mixes other additive into the drilling mud such as betonies and barite. A Chemical additive such as polymer are used to change drilling fluid density, viscosity and hydration. The additive is entered by jet mud mixer into the mud storage tank.
The mud mixing hopper is part of the jet mud mixer that powered by centrifugal pump that allow the drilling mud move at high velocity to funnel shaped hopper. Additive materials are added through the hopper to provide uniform mixing. Liquid base additive also added through a hopper to provide uniform mixing.

GN Jet mud mixer

GN Jet mud mixer

The capacity of the jet mud mixer, various mud tanks sizes and correspond shear pump is providing it as well to ensure pressure.
Mud mixer widely used in HDD (horizontal directional drilling) and oil gas drilling. Jet mud mixer device generally consists of a sand pump and a jet flow mixed hopper with manifold valve connection and are installed on a pedestal called the single jet mud mixer device, or by two pumps and two mix slurry hoppers called double jet mud mixer device.
The jet mud mixer paired up by shear pump various input rates and mud tank size, it makes mud contain rheological properties and decrease cost of the drilling mud as possible. GN Solids Control’s jet mud mixer treating capacity from 200 GPM to 1408 GPM.

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

Oct 30

Every year, GN Solids Control provides many sets of solids control equipments or waste management systems for customers. All of these equipments are thoroughly discussed with customers before put into manufacturing. GN experienced workers are sparing no effort to manufacture excellent equipments with first class quality, which is also guaranteed by GN QC engineers. These whole equipments are assembled and tested before sent to customer’s worksite to make sure everything going well and save customers time, so when they’re arrived, these equipments can be put into use in a short period. Sometimes, there’re some equipments that will not be disassembled when transporting. For those customers need technical help from GN, GN can sent our experienced engineers to their worksite. Based on different work site’s environment, GN engineers will take all the solids control equipments into consideration which also involves in the layout of course. GN-Mud-System

Recently, GN Solids Control Co. has provided one whole set of mud system which is not the common layout. Since the room is limited, to put two shale shakers side by side is not possible. So after careful consideration, GN recommends to put the mud cleaner between two sets of shale shakers. As we all know, mud cleaner can separate much finer solids than shale shaker, so even we arranged to put the mud cleaner in the middle, we try to rearrange the two shale shakers pipelines. Pipelines from the separated shale shakers are connected to the mud cleaner directly, and the inlet pipelines to shale shakers are also separated. In order to keep the safety and protect the shale shaker, all the shaker deck are fixed with bolts before transportation. So when the shake arrives at customers’ worksite, these fixed bolts need to be disassembled first. GN also pays to some other details to keep all the equipments to use for a long life, such as use rubber coat to protect the shaker spring, use rubber slips to protect the shaker screens. GN equipments are devoting to the best!

written by desander desilter \\ tags: ,

Sep 16

GN 150 GPM Drilling Waste Management System
Recently, GN Solids Control welcomed one of the America client in Hebei factory. This client shows many interests to GN drilling waste management system. GN colleagues have discussed a lot on this system to answer any questions from this client. GN technical engineer has provided technical support and draw 2D drawings for this client.
Since every client has special demands for their equipments, GN always try to do their best.
This system consists of two tanks. The first mud tank is to separate the drilling waste and provide solids to the second mud tank. The second mud tank is used for drying the drilling waste.
For the first mud tank, GN recommends our client to use the following equipments:

 Vertical Cutttings Dryer & Decanter Centrifuge

1. One set of Mud Recycling System, which is including one shale shaker, one Mini
Mud Cleaner, one Centrifugal Pump and one mud tank.
GN Shale Shaker is using GNZS 703E- HB, this type can reach to 7.5 G high vibrating strength, which is adjustable by adjusting the vibration motor. GN Mini Mud Cleaner is using GNZJ 752E- 4N, the working capacity of this cleaner is 200GPM. And the GN centrifugal pump is using GNSB 4x3A-10J, this one is used for feeding the drilling waste to mud cleaner.
2. One set of Vertical Cuttings Dryer, which consists of one set of GN vertical cuttings dryer, one set of GN high configuration decanter centrifuge, two NEMO pumps, one centrifugal pump and one mud tank.
GN Decanter Centrifuge and GN Vertical Cuttings Dryer is one set of perfect match for cuttings dryer. Usually, the vertical cuttings dryer can deal with 30 tons to 50 tons cuttings each hour, and the oil can be controlled with 5 percent, which is very suitable for environment protection.
Sometimes, clients from some countries may have very strict demands on the oil percentage; in this case the cuttings need to be dealt with extra process such as chemical reaction which is another topic.

written by desander desilter \\ tags:

Sep 06

GN mud agitators are high efficiency mud-mixing units offered in a wide array of custom sizes and configurations to accommodate virtually any mud tank. They are mainly used for agitating drilling fluids, avoid particle in fluids deposit to tank bottom.
Today we would like to share our experience on how to design mud agitator. As we all known, the mud agitator stirs mud slurry to maintain suspension of solids. The agitator is mounted on top of the mud tank and has one or two impeller(s) immersed in the mud slurry.
The agitator’s impeller shaft is coupled to an electric drive motor with coupling. The horsepower of the drive motors rates from 7.5HP to 20HP, which is named 5.5kw to 15kw.

Mud Agitator
Single impeller is usually matched for motors below 11kw. And double impellers are more suitable for those above 11kw. Based on user’s request and onsite condition, the vertical location of the impeller on the shaft is determined as a height from the tank bottom corresponding to the impeller diameter times 0.75. Take a 20 inch impeller as an example; it should be mounted at the height of 15 inch higher than the bottom.
GN recommends straight impellers blades for tanks under 5 inch deep and canted blades for deeper tanks. If dual impellers are desired, straight blades are mounted on the bottom and the canted blade impeller is installed at the height of two-thirds above the tank bottom.
By using a multi-piece coupling, the main motor and driven impeller shafts are rigidly connected. The connected coupling is using a tapered bushing to secure the shafts together.
For different customers, the lengths of the shafts are customized to suit customers’ specifications. A special device named stabilizer are usually welded at the bottom of the tank to keep the balance of the entire shaft.


written by desander desilter \\ tags: ,

Apr 17

Bored Pile Construction

Double Deck Mud Cleaner

Bored pile is widely used in massive civil infrastructure and industrial construction such as the tall building or bridge work. Less disturbance surrounding soil, little noise and  much economic drilling than the conventional drilling are the main advantages of bored pile. However, drilling engineers have to do mud investigation and decide which drilling technology has to be carried on. Piling contractors decide the correct drilling technology and solids control equipment minimize influence on the environment and reduce the cost.

GN double deck shale shaker with hydrocyclone is  perfect solids control system matching with the bored pile. The working function will be introduced below


drilling mud is pumped to bottom deck (2) shaker screen separate large particle to disposal site and fluid penetrate to mud tank(3), the slurry pump(4) will transfer drilling fluid to desander cone(5) for further separation. The solids/sand will be separated on the top deck (6) to discharge. The cleaning fluid will store in tank (7)


Schemetic Graph

It is a compact and economic design. The smart solids control system  wins massive compliments from our clients. Please contact with us if you need more information.


written by GN Desander Desilter \\ tags:

Apr 11

GN Solids Control just exported to mud cleaning system to European, which including shale shaker, mud cleaner, centrifugal pump and jet mud mixer

Mini Solids Control System

1. One set of GNZS752E-DM shale shaker with two panels shaker screen.710mm low weir height is easily for cutting transport to shaker

2. Desilter consist of 4 desilter cones and one set GNZS752E shale shaker, which is small capacity

European market has really high standard and stringent rules for the oilfields equipment. However, GN has proved our equipment quality to the world again. GN is the first API certification solids control equipment manufacturer in China. Also, GN Solids America LLC is the first USA based solids control company from China, with branches in USA, Australia, Latin America, and Middle East.GN has exported waste management equipment over 60 countries. All of the results showed us that GN is striding to world and service different country.

In the future, we will be based on the high quality, fast service and convenient spare parts to service the world. Our client is very satisfied with our equipment, and cooperation will be continued between us and European buyer

written by GN Desander Desilter \\ tags:

Jan 11

The GND series is a high performance desander that consists of Shaker, Desander cyclone, slurry pump, mud tank. The machine is designed for piling ,Slurry shield tunnelling, etc. GND series Desander has three standard models which each has capacity 50m3/h, 120m3/h,240m3/h.

Working Process



The slurry pump sucked the mud from the Sediment Basins or mud compartment, then enter into bottom shaker through inlet pipe, the particle size which is larger than 0.5mm will be separated out and flow to mud storage tank, The slurry pump feed mud from mud storage tank to hydrocyclone.the underlfow of hydrocyclone discharged to upper shaker . after dewatering process of the upper shaker, The dry solids wwas separated out. The overflow from hydrocyclone entered
clean mud storage tank.


1.High mud handling capacity, sand can be removed efficiently.

2.The shaker screen has many advantages such as easy operation, low trouble rate, convenient installation and maintenance.

3.The adjustable vibrating force, angle and mesh size of the shaker enable the equipment possess a high screening efficiency in all kind of strata.

4.The high screening efficiency of the machine can excellently support drillers raise bore and advance in different strata.

5.Energy saving efficiency is significant since the power consumption of the oscillating motor is low.

GN Solids Control is the first API certified Solids Control Equipments manufacturer in China. We can offer mud recycling system for Oil/gas drilling, HDD,CBM drilling and Pilling. For more information of GND series desander , Please feel free to contact with GN Solids Control.

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

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