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Dec 26

ZJ50 means the rig is upto 5000m depth, and normally this info means lots of equipment need to achieve certain value or standard. For solids control system, it is an info of minimum mud storage you will need, and the minimum separation speeed you will need. Centrifuges will be a must when you drill deep. 

Well as we all know, India is good at manufacturing, too; comparatively not so economic to send some air with tanks. So this time for the project, we offer the client the major parts, yet they prepare the srorage tanks by themselves locally. 

Like many other systems, this system including 3 shale shakers, 1 mud cleaner, c/w cone feeding pumps. After the desilter, it is decanter centrifuges, 2 decanter centrifuge, can run at the same time, in line, or in parellal, to separate the barite and small particles, for better drilling efficiency.

For the mixing tank, it comes with centrifugal mixng pumps, mixing hopper etc. GN is very experienced on mud system design and fabrication, it is not just draw a drawing and put steel together, all the structure, arrangement, cabling etc. have engineering optimization points. And we can also help client to fabricate the simple staff locally. 

If any projects we can work together, pls let us know. 

written by desander desilter

Dec 25

Merry Christmas! And best wishes for a healthy, happy, and peaceful New Year.

May this Christmas bring you much joy and happiness, and may your New Year be merry and bright.It was a very fruitful year in 2019, thank you very much for all your support. 

So in the past year, we have been to quite many ehxibitions: Petrotech in India, CIPPE in Beijing, ADIPEC, IE Expo, IMARC. For oil gas, for environmental protection, for HDD, for Mining etc.

And the new factory is under production, also a very good start for the future.  Also the sales revenue get a new higher level.

written by desander desilter

Dec 18

In remote area, like most of oil drilling field, especially PNG, as we know, road there is a big issue, and for some clients, it is even more worthwhile to build an airport, and  customers need high quality and specially design solids control system for shipping by helicopiter.

GN have been supplying heli lifted equipment to the market many years ago, for diamond drilling, and oil gas drilling 2 years ago, cooperating with an Australian company, improved on many engineering details, so now the whole team is more familiar with requirement and the standards. For this new project, GN also had some further discussion with client, to finalize the design, to make sure to deliver high quality system for clients.

This is very important, as in anyway, the system is for client, to use, not only a standard product for manufactures to fabricate. The system includes poor boy degasser, 2 shale shaker, 1 mud cleaner, trip tank, mixing tank, and all related pumps. To minimize the lifting, the equipment have been placed into frames, which also been designed for Heli lifting.

Lifting padeye is one of the critical parts, for heli lifting, for airplane transportation, for road transporation etc.. There are certain procedure from our experience to make sure it comply with the application. 

Also as we all know electrical standard is very important for Aussie oilfield, so we chose to cooperate with a regular partner there to make sure it works.

NO SURPRISE. So that is all we need to do. 

written by desander desilter

Dec 18

Recently, GN attended the Ecomondo Green Technology Expo in Rimini Italy and showed the separation and conveying equipment there. Many visitors came to GN booth and showed interest to GN Corporation and the products. 

GN booth was located in the Hall D2 and No. 010, GN brought the widely used decanter centrifuge and sludge vacuum pump. From the TV set, visitors can learn more about the working principle and performance of GN equipment. 

GN GNLW series decanter centrifuge is ranging from 9 inch to 30 inch of the bowl diameter, with the L/D ration 4.2, which is ideal design for waste water treatment. Bigger L/D ration can keep the slurry inside the bowl for longer time. In adoption of the material, GN chooses the duplex stainless steel 2304 with centrifugal casting technics to make the bowl much denser and even distribution. For protection and long operation time, GN use the tungsten carbide plate bolted and welded on the screw propeller, even the slurry distribution port and solids discharge port are protected by tungsten carbide bushing. GN decanter centrifuge can widely be used in waste water treatment, edible oil production, chemical industry and other industrial application.

GN sludge vacuum pump is 100% pneumatic driven which makes it applicable in the area with flammable gas. The pump can be applied for transferring of liquid, slurry, wet sludge and even solid powder and gravel. The pump is also automatic operation, operator only needs to adjust the suction and discharge time by twisting the timers on the panel. As there is no any moving part inside the cavity, maintenance is very easy. According to different application, GN can make the pump with carbon steel or stainless steel as the material touching part. 

GN has got several potential businesses at the Ecomondo. For more information on GN equipment, please feel free to contact.

written by desander desilter

Nov 17

GN have rich experience on Oil Sludge Treatment, and have sent many different systems to various sites, with 3 standard model of oil sludge treatement system, whist keep ourselves open for virious of different sit requirement. For the biggest model OST we have, 22in decanter centrifuge is one of the important equipment.


GNLW554EP is type solid bowl decanter centrifuge with bowl diameter 22 inch and L/D ratio 4.2. Below features make it performs excellently onsite.

1. GN EP series decanter centrifuge is used for dewatering of the slurry with high solid content. Therefore for all the solids touching parts in the bowl assembly, the tungsten carbide would be adopted for wearing protection. The screw blade is full welded with tungsten carbide plate 4mm thick. Slurry distribution port and solids discharging port also protected with tungsten carbide bushing. To avoid the wearing of the bowl surface caused by solids building up at the discharging port, the scrapers are installed to scraping off the wet solids.

2. Large L/D ration can make the slurry stay longer inside the bowl for better classification.

3. Centrifugal casting technology to make the bowl material distribution more even for better dynamic balance.

4. Lubrication oil station system continuously lubricating and cooling on the bearing ensures the stable running.
For this model, we also get different options, if you need better result, and willing to pay a bit more then the higher L/D ratio is a much better choice. Well in anyway, if you got any doubts, just ring GN sales team, or drop an email.

written by desander desilter

Oct 25

To go out and meet with client, in person, is now an very important way for GN, so rather than sending emails, make phone calls, GN is trying to be more REAL. So the best way is help you meet with GN people, check GN equipment. So one of the many things we are doing is go to the exhibiton.

In this exhibition, GN is bringing a 9in small decanter centrifuge, which can hopefully help you see and feel GN’s prodcuts.    GN decanter centrifuge have been delivered to mining site in Australia, for coking coal dewatering, garnet mining etc., also coalbe methane, different drilling projects etc..   Partnering with AlfaWest Australia (http://alfawest.net/), GN is now able to offer more local service for the decanter centrifuges.

GN Company would attend exhibition Ecomondo 2019, in Rimini, Italy, dated on November 5-8th, with Booth No.010, Hall D2.

ECOMONDO Exhibition is a professional exhibition focusing on recovery of Materials & Energy, Contaminated Site Recycling, Sewage & Solid Waste Treatment, and Sustainable Development. And it turns to be more attractive around the world, about 80,930 visitors from 66 countries, 98,000 sqm gross exhibition area, and 1,022 exhibitors from 30 countries worldwide. 

ADIPEC, Abu Dhabi International Petroleum Exhibition Conference, is one of the largest events for oil and gas industry. In recent years, GN Solids Control almost attended this show every year. This November, GN will again bring equipment and show there. All visitors are welcomed to visit GN booth and learn more about GN Solids Control.

Please keep below information and easily find GN at the show

Show Name – ABU DHABI International Petroleum Exhibition & Conference
Show Time – 11-14 NOVEMBER 2019
Show Location – ABU DHABI NATIONAL EXHIBITION CENTER (ADNEC)
GN Booth No. – 10514

This year, GN will bring below equipment to the show, all the equipment is widely used in oilfield. GN is committed to providing the qualified products to ensure the stable working and safety operation.

written by desander desilter

Oct 20

GN solids control is committed to providing the qualified equipment used in oilfield for drilling mud recycling. With over ten years’ experience in designing and manufacturing the mud recycling equipment, GN product has been proved on site with stable performance and low maintenance. Recently, GN finished one batch mud recycling system for a client from Russia.

In mud recycling system, the decanter centrifuge is the last stage separation equipment used to remove the fine solids or cuttings. Before the decanter centrifuge, there are primary shale shakers, cyclone unit equipment to remove the coarse solids, so that the decanter centrifuge can be protected in the largest extent. In the petroleum industry, GN decanter centrifuge can be used as for fine solids and cuttings separation in solids control system, barite recovery, and the oily sludge treatment system for solid-liquid 2-phase separation. GN decanter centrifuge is with below features.

1. High running speed available with fixed speed starter and VFD control panel with explosion proof certificate for hazardous area.

2. Bowl material adopts the duplex stainless steel processed by centrifugal casting technology to make the bowl much denser for better dynamic balance.

3. Protection on easy wearing parts like screw propeller using tungsten carbide plate, mud distribution ports using tungsten sleeve, solids discharge port also using tungsten carbide sleeve.

This client also ordered GN centrifugal pump, also called sand pump, for mud transferring. In mud recycling system, the centrifugal pump is with various applications.

1. Feeding pump – the centrifugal pump can be used as the feeding pump for de-sander and de-sitler cyclone to make the cyclone with a sufficient power for centrifugal separation happens in cyclones.

2. Mixing pump – When adding the mud chemicals into the mud system, the centrifugal pump can be used to circle the mud from mud tank and take the chemicals back into the mud tank. The impeller can also shear the mud chemicals.

GN solids control is able to provide the whole line of solids control equipment and even turnkey mud recycling system. If any request, please feel free to contact with GN.

written by desander desilter

Oct 20

Another shaker skid now is ready for its trip to India, our company strategy now is of aid to this kind of business, whoever is able to build tanks by themselves, we offer the equipment, we both do what we are good at, and it eventually increase the strength for compete for both parties. Shale shaker is the first stage cuttings removing equipment in the mud recycling system for coarse solids separation. Thus the performance of the shale shaker will to a certain extent affect the performance of the subsequent equipment. According to the required treating capacity of the solids control system, the quantity of the shaker unit equipped varies.

In mud system, the shale shakers are always installed on the mud tank so that the separated drilling fluids can be collected and transferred to following equipment. The shakers unit fabricated in this order is triple shale shaker design that puts 3 unit shale shakers on a same skid. All the 3 shale shakers can be lift to put on top of the mud tank together that greatly increases the installation and dismounting efficiency. In the meanwhile, GN also equipped mud distributor for the triple shale shaker. The mud distributor will collect the drilling mud from the rig to firstly reduce the pressure of the mud impaction and evenly distribute to each of the shakers.In order to make the flow rate to each shaker adjustable, GN designs the gate plate at the inlet of shaker buffering box, thus the mud engineer can adjust the flow rate to each of the shakers. GN shale shaker is with simple structure for easy operation and full shaker deck heating treatment for high vibrating force. The independent produced composite frameshaker screen is fixed on the shaker unit for better separation performance and low cost on screen consumption. 

written by desander desilter

Sep 04

GN is going to complete the fabrication of two sets big bowl decanter centrifuge for an American client for construction slurry dewatering treatment.

The model GNLW764 is the largest decanter centrifuge GN can make currently. Client chose this model according to their treating capacity requirement. In the long run, the large model equipment will save the operating cost so as to bring more economic benefit. 

GNLW764, the 30 inch bowl diameter decanter centrifuge has been proved with good performance onsite. Last year, GN has already shipped two 2 sets same model decanters to Australia in the plant for coal tailing dewatering.

Features of the Big Bowl Decanter Centrifuge GNLW764

1. GN adopts the duplex stainless steel to make the bowl of the decanter, and the centrifugal casting processing to make it a better balance performance and denser material distribution to avoid casting bubbles
2. Inside screw propeller is from duplex stainless steel 2205. For longer working life and less maintenance, GN uses tungsten carbide plate and sleeve to protect the screw blade and mud distribution port. 
3. To protect the motor, GN equips the decanter with VFD control panel to start the machine from low speed to high speed gradually. This prevents the over electric current to burn the motor. On the other hand, a VFD control panel will help the operator to run the machine at different speed according to slurry condition and process purpose.
4. GNLW764 is using oil pump to feed lubricants to both of the bearing seats. The plate type heat exchanging system can cool down the lubricating oil with high efficiency. 

The client has already ordered several slurry dewatering systems from GN for their hydraulic excavation slurry treatment. This 30 inch decanter will greatly increase the client’s capability in treating the tough slurry. With the trust on GN, the client added order on the decanter supporting leg. Supporting leg is critical as the weight of the GNLW764 is almost 17 metric tons. 

For more information on GN large bowl decanter centrifuge, please feel free to contact.

written by desander desilter

Aug 26

GN shale shaker is the first stage cuttings separation equipment in the mud system, thus the importance of the shale shaker is imaginable. The performance of the shale shaker will affect a large extent the performance of subsequent equipment. 

What is the advantage of GN Shale Shaker?

  • Shaker deck is completely processed by heating treatment to bear the high vibration force. 
  • To ensure a good sealing performance, GN created the U-type groove and embedded rubber sealing technology, which provides excellent sealing effect and in the meanwhile makes the replacement of the sealing rubber easily. 
  • GN developed 3 technics on how to tighten the shaker screen by using the wedge blocks. Hammer pushing, ratchet spanner pushing and quick pressing. Customer can choose as per their preference. 
  • GN upgraded the damping rubber spring to make the steel spring and rubber bushing combined and unbreakable, which increase the safety and reduce the part quantity.  

What GN Shale Shaker are Doing

  • GN shale shaker is used mainly for drilling mud cleaning, by changing different type mud feeder, GN shaker can be used in oil drilling, HDD and waste cutting management.
  • The shaker mostly is installed on the mud tank for primary solids control. By changing to larger horse power vibrators, GN shaker can be used as the High G force drying shaker.
  • All GN shaker are designed to have the bolting hole of the cyclone frame, the standard installation dimension make the assembling of the mud cleaner much easier. 
  • To achieve a better mud recovery effect, GN developed the vacuum screen device that can connect with the last panel screen of the shaker. All GN shakers can install this vacuum screen system

written by desander desilter

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