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Jan 27

More and more offshore projects now choose GN products, before no one likes Chinese products for offshore is because of reputation, not enough confidence, and whenever count on the hassles, pay more and get EU / US products, plus, do you have the certifications.

Though it might not big steps so far, but we are on the right direction

offshore shale shake

The drying shakerunit is one of the main equipment in waste cuttings management system. It is used for further treatment of the drilling cuttings discharged out from primary solid control shale shaker. Comparing with the normal shale shaker, drying shaker has a large vibrating G force that makes the shaker recover more drilling fluids from cuttings. By using the drying shaker, the drilling fluids recovery efficiency would be highly increased and less waste discharged. To prevent the drilling fluids spraying out of the shaker deck and contaminating the area nearby, the drying shaker deck is designed to be cover with steel plate on top.

To increase the drilling mud recovery efficiency, GN published the VIST vacuum shaker screen system that can be used especially in offshore project.

To make sure the shale shaker comply with offshore application, GN also invite, CSC come to our yard, assist on the certificates on lifting parts.

As we get more and more experience on offshore projects, soon enough we will be able to offer even more products, with more competitive price.

written by desander desilter

Jan 20

Well as you know it is just after the Chinese New Year, good & fresh, ready for your visiting.

Below information could help visitors to GN booth
Show Date: Feb. 10th ~12th, 2019
Address: India Exposition Mart Limited, Greater Noida, Delhi, India
Booth No.: C 4
Products: shale shaker, shaker screen, centrifugal pump, vacuum pump

In past year, some drilling companies coming from India contacted with GN Solids Control for inquiry and successfully made deal with GN. In order to get more feedback from these clients and show more about GN to India market, GN is going to show at PetroTech-2019 in coming February.

GN shale shaker is designed with simple structure for easy operation and shaker screen replacement. Fully heating treatment strengthens the shaker deck for long time running with a high vibration G force. Screen supporting frame is a critical part of the shale shaker. To guarantee the stable performance of shaker, GN use stainless steel to make the screen support frame, and the thickened U type steel is welded on the frame for embedded the rubber sealing strips. This sealing technology performs excellently in both sealing and rubber strip replacing. GN is able to provide shale shaker with screen of 2 panels, 3 panels and 4 panels for different application and capacity. 

Shale shaker screen is consumable part that used in mud recycling system for coarse cuttings separation. GN now is able to supply almost all the popular replacement shaker screens used in oilfield worldwide. Per comments from clients, GN screen is praised for the quality and performance, the reasonable price is well considered for the cost saving purpose.

GN is making centrifuge pump with nodular cast iron pump casing and impeller for long time working and anti-wearing features. The pump is widely used in mud system for feeding to cyclone and mud mixing. All wear parts of GN centrifugal pump are interchangeable with world famous brand pump.

GN sludge vacuum pump is a kind of pump fully driven by air. It is ideal transfer equipment working in hazardous area. By connecting suitable air compressor, the pump can transfer almost all the types of material like liquid, sludge, powder, and even sand. Some of GN clients doing oily sludge treatment business had given good remark on this pump.

written by desander desilter

Jan 13

For a long time, we know pumps is not our key business, until we know how good Mission have done, and how good Netszch have done. Now we are doing more and more pump business, and a new branch name GN separation is now kind of doing this business solely, with transfer equipment.

The mud transfer pump is an indispensible media for the mud flow from one place to the other. And the pump also provides the power or pressure for mud getting into the equipment for better treating result. GN hasbelow 3 types mud transfer pump is widely in mud engineering and other industries.

Centrifugal pump– in solids control system, the centrifugal pump could be used as the feeding pump to the hydrocyclones, the pressure produces by the pump will give the mud a high speed when getting into the cyclone for better separation performance. It can also be a mixing pump connecting with venturi hopper for mud chemical supplement. GN centrifugal pump is using nodular cast iron as the material of pump case and impeller for long service life.

Screw pump – GN provides single stage screw pump that is mainly used as the feeding pump of the decanter centrifuge due to the stable flow rate. GN screw pump is coming from the Germany brand Netzsch.

Sludge vacuum pump – GNsludge vacuum pumpis a multiple function pump that could transfer liquid, sludge, power even sand. It is a fully pneumatic driving pump without any electrical components, which makes it ideal equipment for hazardous area application. Some clients who are doing oil sludge treatment business use this vacuum pump to transfer the oily sludge from pit.

written by desander desilter

Jan 05

GN have devoted to oil sludge treatment system for a long time, and have succeed in many sites, also with different equipment combination, now the system has been optimized. Below link shows one demo test in a China site:

It differs from different sources also, oily sludge from oil refinery, and Oil&gas Drilling Mud/Waste Oil Pit Mud.
The current treatment of oily sludge and sewage sludge from oil refinery includes incineration and landfill. The former  requires high cost while the latter cannot achieve pollution abatement radically. But by using a dehydration-drying-carbonization process to treat the toxic wastes, recycle oil and energy, and produce useful final products. This is a significant breakthrough in oily sludge treatment field.
The random disposal of oily mud and waste from drilling and transportation on site without treatment cause permanent pollution to the soil and underground water. It’s extremely difficult to effectively treat this oily mud and waste because it is scattered around the vast oil field and its composition is very complex. Under the stricter and stricter environmental regulations in these years, oil producers are facing the urgency of permanently treat this notorious industrial “junk”. The reasons why some Chinese oil producers failed to solve the problems by applying imported technologies and equipment from abroad are the special domestic conditions and high cost. 

GN is nowadays also on progress of developing our own TDU, thermal desorption unit, contact GN for more if you want.

written by desander desilter

Dec 28

Oil Sludge Treatment, project for ass covering. It is normally existbeside the rigs, or the oil production plants, a big pit, with all the oily sludge left, so solids oil water mixed together, without any function to reuse anything. Then that is where oil sludge treatment system needed. GNOST1, GNOST5, GNOST15 is so far 3 standarized model, which may hopefully meet most of the requirement.

Sludges that contain oil and water are generated through a variety of activities and processes on board ships, including sedimentation in tanks, tank dewatering processes, and leaks or cleaning cycles in backflush filters and separators for treating fuel oil and lube oil. The trend for combusting high density fuel oils of higher viscosity, as well as the use of residues as a fuel for medium­speed diesel engines, also increases the production of sludge from both fuel oil and lube oil.Emergence of sludges containing oil and water The build up of these oil and water­containing sludges represents a considerable disposal problem.

Though many options can be implied, GN utilize the standard separation equipment to do the work, which also make sense, it is for separation, the key equipment would be decanter centrifuge,  shakers, plus disc stac separators. GN Oil Sludge Treatment System is to use chemical to wash the oil sludge with heat to temperature of 60-70 C degree. After washing the slurry is pumped to GN separation equipment to separate into oil, water and solids. The recycled water can be reused in the washing process, and the oil is clean enough to sell to the refinery company, the solids contain oil between 2%-5% which can be sent to biodegradation or thermal unit for final disposal.

Ask for more information from GN. 

written by desander desilter

Dec 23

After commissioning projects to a ship for COSL, the after sales engineers go to anothe offshore rig to test GN ViST, and then go to one more offshore rig. Now more and more offshore projects.

The drying shaker unit is one of the main equipment in waste cuttings management system. It is used for further treatment of the drilling cuttings discharged out from primary solid control shale shaker. Comparing with the normal shale shaker, drying shaker has a large vibrating G force that makes the shaker recover more drilling fluids from cuttings. By using the drying shaker, the drilling fluids recovery efficiency would be highly increased and less waste discharged. To prevent the drilling fluids spraying out of the shaker deck and contaminating the area nearby, the drying shaker deck is designed to be cover with steel plate on top. 

To increase the drilling mud recovery efficiency, GN published the VIST vacuum shaker screen system that can be used especially in offshore project.

GN’smud cleaner is a 3 in 1 equipment including bottom drying shaker, desander cyclone and desilter cyclone. Features of GN mud cleaner

1. Bottom shaker is always same model with the primary shale shaker in same solids control system.

2. Hydro cyclone unit are 100% PU material for better wear-resistance performance. 

3. Cyclone manifold pipe frame is removable for easy transportation.

4. Installation of composite frame shaker screen for longer working time and large screen area.

Mud cleaner can remove the cuttings with size large than 20 microns in the drilling mud. Before feeding the mud into the decanter centrifuge, better to use a mud cleaner to treat the mud firstly as it can greatly reduce the solids content so that to reduce working load of the decanter.

GN Solids Control is open to communicate with clients in technics improvement and customized design. For more information, please feel free to contact with GN.

written by desander desilter

Dec 08

It is just another set of solids control equipment to Russia, but also not quite, collecting feedback, improving details, or do small customisations, that is what we always do.

After a whole day packing and marking labels, GN just shipped out one batch shale shakers and decanter centrifuges to equip the oil well drilling rigs in Russia. Shale shaker and decanter centrifuge are two of the key equipment in drilling mud recycling system. The shale shaker separates the cuttings by using the wire mesh screen opening size to block the coarse cuttings, while the decanter centrifuge is separate ultrafine solids by using centrifugal force.

GN shale shaker could be used in drilling mudsolids control system as the primary shaker unit and also as the high G force drying shaker in waste cuttings management system.
Below features make GN shale shaker the reliable performance in using
1. Shaker vibrating deck is completely heat treatment for higher vibration G force
2. Shaker is installed with GN self-produced composite frameshaker screen with longer working time.
3. Patented rubber sealing installation method make the replacement of rubber strip much easier and better sealing performance.

GN decanter centrifuge could be used in drilling mud solids control system for fine solids separation like the suspending barite recovery and useless cuttings removing. In the waste cuttings management system, the high speed decanter centrifuge could be used to treat the effluence discharged from the cuttings dryer. Besides the petroleum industry, the decanter centrifuge is also widely used in mining and environmental protection industry.

The decanter centrifuge shipped to Russia in this order is the popular 14 inch model with designed maximum speed up to 3900RPM. It could be control as fixed speed or variable frequency. 
Below features make GN decanter centrifuge excellent performance.
1. Bowl material is from duplex stainless steel 2305 with good machinability. 
2. Centrifugal casting technology makes the bowl material distribution evenly for a good dynamic balance. 
3. Tungsten material tile or bushing protection at abrasive part for longer working time and less maintenance. 
4. PLC control panel is available, and the sensors could be put on the centrifuge unit to monitor the status of the machine.

For more information on GN Solids Control, please feel free to contact.

written by desander desilter

Dec 02

It has been a scar for lots of Chinese people, as it is bad reputation for made-in-china, and the pity part is there were actually lots of profiteer actually manufacturing bad quality products, so about 10years ago, when my client told me, they have never known a door handle is a draft iron ball, Im very embarassed, when an Chinese engineer from our client’s company emailed us to warn us to take care of the quality, we know we should make it right. So we did it, we focus on top quality products, and keep improving.

This year in Bauma, saw lots of hydraulic parts, gear supplier, which reminds me years ago, another client told me they can not find even one good hydraulic parts in China, I hope they do find one now. If not, I doubt they did not try hard enough, or did not pay reasonable enough.

There are many Chinese machine brands like Zoonline, Sany etc are doing pretty well, have their name internationally. You know when your clients, your friends tell you that they are proudly telling you they are using a Chinese brand, you know that is a comfort, that is a proud.

Also it is very good to find that more and more oversea companies are cooperating with local partners here to do local business, which means now it is not just admiringly use a good foreign brand, but also cooperating & competing.

written by desander desilter

Oct 13

Been a long time this site only introduce GN products, new projects, what GN have been R&D, have been upto. Well as time goes, when we reach more and more people, we realize it is also very important to know the culture, the custom etc. People think and live in a different way.

Falling on the 15th day of the 8th month according to the Chinese lunar calendar, the Mid-Autumn Festival is the second grandest festival in China after the Chinese New Year. It takes its name from the fact that it is always celebrated in the middle of the autumn season. The day is also known as the Moon Festival, as at that time of the year the moon is at its roundest and brightest.

Mid-Autumn Festival is an inherited custom of moon sacrificial ceremonies. The ancient Chinese observed that the movement of the moon had a close relationship with changes of the seasons and agricultural production. Hence, to express their thanks to the moon and celebrate the harvest, they offered a sacrifice to the moon on autumn days.
Nowadays, more and more people talking about stories, when you are selling your products, your service you are not selling these themselves, when you tell your client good stories, they understand what they will do what they will live or live with in future lives.

Actually all Chinese festival also based on stories, Chang E is the main charactor in this Mid Autumn festival.

As for GN Solids Control, our main goal is with our equipment, help people on drilling industry & environmental protection industry to improve the environment. With our name on all the relative equipment, live better life.

Also, to improve the perception of people about made in China, to know when you pay properly, you get very good product here in China.

written by desander desilter

Aug 04
Recnetly we sent few sets of screw conveyor to Africa, for the solids waste transfer. Been focusing on waste management equipment manufacturing, screw conveyor is one of the most important components, as when more cuttings comes, pumps barely help. Screw conveyor is widely used in oil drilling site for waste material transferring. This week, GN completed the fabrication of a batch screw conveyers ordered by a client from Africa. After the factory delivery inspection, these screw conveyers would be shipped out.
So from shaker to the skip, or feeding the vertical cuttings dryer, discharge the solids from shakers, decanter centrifuge, cuttings dryer etc.
GN screw conveyor is designed to offer an efficient, low cost, cutting transportation system both offshore and onshore drilling installation. Per client’s requirement, the variable frequency motor can be adopted for freely speed control. For safety consideration, the whole body of the screw conveyor is fitted with protective grating or cover to prevent foreign matters entering the conveying system.
For drilling waste cuttings collection and transferring. In mud system, the drilling fluids coming out from the well will be feed into the shaker, cyclone and decanter centrifuge step by step. In each state, the drilling cuttings with different size will be discharged out from fore mentioned equipment. The screw conveyor is the ideal equipment to collect all the waste cuttings and make a pit-less mud recycling system. For this purpose, several unit screw conveyor would be installed beside the mud tank and under the separation equipment discharge chute with the top cover open for easy collection.
For waste cuttings treatment and transferring. The collected waste cuttings still has large content liquid that can be recovered. According to the position of the cuttings dryer unit, operators can adjust the location of the screw conveyer for feeding the waste cutting into the dryer unit. More drilling fluids would be recover, less waste will be discharged. In the meanwhile, an extra screw conveyer unit can be positioned under the discharge port of the dryer unit so that can transfer the treated cuttings out of the system.
GN is now intending develop more business from separation, transfer equipment, with new company located in the new place. Hopefully in near future, there will be more new product coming.

written by desander desilter

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