shale shaker

As a professional piling desander unit manufacturer in China, our desander unit has been widely used for bored piling project and TBM project in the world and domestic market. Recently we shipped 10 units of 500gpm desanding unit to Asia client. The configuration is as below:


1) 1 ea of 10 inch desander cone installed on the double deck shale shaker, the separation cut point is 40 microns.
2) The double deck shale shaker is installed on the V bottom mud tank, the feeding pump of the desander cone is installed on the mud tank as compact design.
3) No mixing hopper and mixing pump is included in the desanding unit, if the client need mud mixing unit, we will provide a separate jet mud mixer with a storage tank to connect with the desanding unit.
The working principal is as below:


1) The submersible slurry pump outside is feeding the bored piling or TBM slurry to the double deck shaker bottom screen, to separate the coarse solids from the slurry, the slurry is dropped into the mud tank, the centrifugal pump will transfer the slurry to the desander cone to separate the fine solids up to 45 microns. The double deck shale shaker can increase the treating capacity and better separation performance.
2) The clean fluids are flow to a separate mud tank for reuse, the user can connect the jet mud mixer with this tank to add chemicals and prepare for new fluids.
3) The centrifugal pump installed in the desander unit is produced by GN solids control, the pump head and all the parts are interchangeable with world famous brand centrifugal pump. The wear parts impeller, mechanical seal and pump casing is made of hard ductile iron alloy for better abrasion resistant.
If you need mud desander unit, pls contact with GN solids control.

Recently 1 set of oil sludge treatment plant is almost ready for shipment to Asia client, it is under testing in our facility before shipment. The treating capacity for oil sludge separation is 5 m3/h. We also have standard or customized designed oil sludge separation system with 1 m3/h and 15m3/h for option.


The general working process is as below:
GN sludge vacuum pump transfer the oil sludge from the waste pit/pond to the pre-mixing modular, the pre-mixing tank equipped with heating lines which can heat the oil sludge to increase the flowability of the oil sludge and increase the separation efficiency of the shale shaker, decanter centrifuge. By adding the chemicals, it will also increase the efficiency of the further process steps. 2 mud agitator and one submersible slurry pump are installed on the pre-mixing tank with electric control system.
Then the pre-treatment oil sludge is transferred to the shale shaker to separate the coarse solids by the submersible slurry pump, it also reduces the solids content of the oil sludge so that the centrifuge could separate the fine solids easily. The shaker screen is specially made with big opening to separate coarse solids to protect the decanter centrifuge.
The screw pump feed the oil sludge to the decanter centrifuge, the discharged fluids is flow to the 3 phase centrifuge to separate the oil and water. The clean water and pure oil is flow to the buffer tank , which will be pumped to the oil storage tank and water storage tank. The water can be used for the circulation again.
The 20ft container loading dewatering unit will be used when necessary with decanter centrifuge, the chemical jetting is to make the oil mixture easily separated by the decanter centrifuge.
If you need a customized solution for waste oil sludge treatment, pls contact with GN sales for more information.

Tandem shale shakers are shipped to Middle East Oilfield Service Company this week, the technical configuration is as below:
1) 2 single deck shale shaker installed on one tandem skid, with possem belly. When loading in the container, the single shale shaker will be packed by wooden pallet separately, the skid will be fixed by special made frame, the possem belly will be protected by plastic flim and disassembly to fit to the container size.


2) The 2 tandem shale shaker treating capacity is up to 1200gpm for drilling fluids of both WBM & OBM & SOBM. We can provide the shaker screens with API NO. from API 20 to API 325 as per clients’ requirement. The shaker screens are composite material frame shaker screens for longer working life and larger screen area. Each single shale shaker is equipped with 3pcs shaker screens for free.
3) The shaker deck bottom is made of stainless steel 304 for better corrosion resistance of the fluids touch part. The shaker skid is made of high grade structure steel. The screens are locking by the wedges for fast replacement of the shaker screens, the user do not waste much time to replace the shaker screens, and the screens working life is average 300 hours, it reduces the times to replace the screens.
4) The compact design is for convenient transportation from one rigsite to another.
We can also produce the triple shale shakers as per the client’s requirement, to install 3 units of linear motion shale shaker on one oilfield skid. The explosion proof vibration motor and starter could be CNEX, ATEX OR IEC EX for option as per the different requirement.
If you require shale shaker, mud cleaner, decanter centrifuge, vacuum degasser, pls contact with GN solids control, we can also produce customized tandem shale shaker.

GN solids control showed our equipments at Petrotech 2019 in India from Feb. 10th to Feb. 12th. The equipments we showed at the oil show in India including:


1) Sludge vacuum pump: it can be used to transfer drilling cuttings, powder cement, waste sludge, oil sludge, drilling fluids, industry waste water, mining tailings, dredging slurry, sand, even for animal waste, etc. Especially for high viscosity sticky oil sludge from refinery crude oil tank bottom, the vacuum pump is an ideal equipments to transfer the oil sludge, but the flow rate will be different with the normal flow rate. Depends on the different conditions oil sludge, we will choose the proper model for our clients according to the question list they filled.


As a 100% air operation pump, the vacuum pump do not need any electricity to operation, this is pretty convenient in some jobsites when electricity is limited, the user can use the air compressor in the jobsite to provide air for the vacuum pump, they can choose automatic operation or manually operation for their requirement.
2) Centrifugal pump: the complete centrifugal pump is consist of pump head, coupler for motor end, coupler for pump end, electric motor, control panel, skid and other accessories. The pump head is the most important components for the centrifugal pump, our pump head and all the parts are interchangeable with world famous brand centrifugal pump.
3) Shale shaker: the 2 panel shale shaker is the smallest model we have now, we have 2 panel, 3 panel and 4 panel single deck shale shaker for option, also we have dual deck shale shaker for special purpose.

This week GN solids control shipped one batch of solids control equipments to Russia, the client inspect the equipments in our factory in Beijing before dispatch to Russia. We welcome all the clients to visit our factory before order and after order before delivery.


The solids control equipments they ordered including linear motion shale shaker, mud cleaner, decanter centrifuge, centrifugal degasser, this is their repeat orders since 2017, they keep repeating orders every month during the past years, and make mud tanks system locally. Sometimes they replace the old equipments from their existing rig solids control system.


The shale shaker, mud cleaner, vacuum degasser/ centrifugal degasser, decanter centrifuge are our main products and the most popular products, we have many options for decanter centrifuges with different size from 9 inch to 30inch for different applications, for each bowl size, we have 2 models with different ratio. For 9 inch bowl size centrifuge, we have GNLW224D and GNLW224E-VFD, for 14 inch bowl centrifuge, we have GNLW363C, GNLW363-VFD, GNLW364C-VFD, for 18 inch bowl centrifuge, we have GNLW452, GNLW453C-VFD and GNLW454D-VFD , for 22 inch bowl centrifuge, we have GNLW553C-VFD, GNLW554D-VFD for option, for 30 inch bowl centrifuge, this is the max centrifuge we produced at present, we have GNLW764D-VFD centrifuge, this is mainly for tunneling project which need a huge volume of mud.


The linear motion shale shaker, we have 2 panels, 3 panels, 4 panels and double deck shale shaker for option, all the shaker screens are produced by our own workshop with our brand GN solids control, the composite material shaker screens produced by GN has been approval by many clients in the world for their oil & gas drilling rig.