Apr 15

GN Solids Control is China good brand of solids control equipment supplier. And each month we export lots of solids control equipment or mud system to overseas client and domestic clients. Recently our warehouse is crowded because of some project equipment ready for delivery.

1) 3 sets of mud agitator for Africa client

The client bought this agitator is GN old client who already bought 2 sets 500gpm compact mud system for HDD drilling. They are really happy about the high quality of mud system and the premium working performance of the mud system. The 500gpm mud system is equipped with 4 panel shale shaker and 4 panel mud cleaner. The shaker screen is composite material shaker screen with much better working performance, longer lifetime and less maintenance. Actually, this client also bought one sets 200gpm mud system in year of 2013 for Dubai project.


2) 2 sets shale shaker for Middle East client

The shale shaker is to update the mud system the client already have for over 2 years. The client buy 2 sets new shale shaker to update their old mud system and this is relative lower cost to ongoing the new project. Because of the down market, many clients want to deduct budget, save cost and do more project. We recommend client to renew the mud system with new equipment, new shaker, new centrifugal pump, new mud cleaner and new agitator. Generally, the mud tanks can last longer time if the daily maintenance is doing each time after use.

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Mar 29

Africa is a good region for import & export business. North Africa and west Africa is full with oil & gas resources, countries like Nigeria, Libya, Egypt and Algeria. There are many mud service companies and solids control service companies and drilling companies there, which can have lots of business with GN Solids Control. South Africa and Middle Africa is full with golds/ diamond resources, countries like South Africa, Tanzania, Ghana etc. There are many diamond drilling rigs service companies and HDD contractors.

GN Solids Control is a China leading company who focus on solids control equipment. All the separate equipment can combine into oil drilling mud system or compact and economy mud recycling system which is professional for small rigs.

mud recycling system

GNMS-500D economic mud recycling system.

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May 27

Recently, we got tender invitation from Shell in Middle East. We also have cooperation with Shell China. They have some special requirement on solids control equipment.

Drilling fluids Shale Shaker

Two shale shakers capable of handling 10.5 ppg mud weight at 1000 gpm.The electric motors for shale shakers DO NOT HAVE TO BE ZONE CLASSIFIED AS OPERATION IS NOT IN A LIVE HYDROCARBON ENVIRONMENT. Common header tank for all shale shakers. Mud return flow lines shall enter from the rear at the base of each shale shaker header tank, mud gas sensor to be installed in the header box and readings screen within the drillers control cabin and Cement bypass to be installed. Supply screens for the shale shakers as per the clients recommendations, screen sizes will be supplied at later date.

GN Solids Control Shale shaker, GNZS594E-HB can meet the requirement for this tender file.

Drilling fluids Shale Shaker

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May 28

Drill solids are the main contaminant of all drilling fluids and therefore their control is of the utmost importance. There are 3 main ways of controlling solids:

• Dilution

• Mechanical removal

• Gravity Settling

shale shaker for solids control

shale shaker for solids control

I ever saw in the water well drilling site in Mongolia that they do not use any solids control equipments but only dig several mud pits, by this way, it is very low efficiency and Environmental Pollution.

Solids control system is a way for mechanical removal the drill solids. Mainly it includes screen devices & Centrifugal Separation Devices. Screen devices is the most important equipment called shale shaker. In the future of solids control system, shale shaker will become the only solids control equipment which will be used instead of desander, desilter, mud cleaner, decanter centrifuge by improvement of its design. At present, linear motion shale shaker is the most popular vibration mode shale shaker.

But the arrangement of vibration motor various by different shale shaker manufacturer. Sometimes it is vertical installed, sometimes it is horizontal installed, it doesnot mean that horizontal installed shale shaker must be balanced elliptical motion shale shaker, it might be linear motion shaker.

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Apr 26

GNZS703 shale shaker produced by GN solids control has been widely used in oil & gas drilling. GNZS853 shale shaker is normally used for drilling cuttings treatment.

Below is the photo taken in South America oilfield drilling site. They use GN shale shaker to separate the large solids from the drilling fluids and get clean mud for reuse. Also they user GN shale shaker as a underflow shaker to help the performance of desander cone & desilter cone. 

shale shaker for sale

shale shaker for sale

To know how to operate GN shale shaker is much more important, also the maintenance. Only if you operate and maintain it according to the manual, you will use it same with some famous brand  shale shakers.

1 Angle adjustment

The angle can be adjusted both under running and off condition.When delivered ,the deck is horizontal(0°) While operating with the same shaker screen, according to the worksite mud property, and feeding capacity ,by adjusting the deck angle in order to improve the treatment result .When the drilling mud run off, enlarge the deck angle to solve the problem. Angle adjustment range -1°~+5°rated angle 0°~3°

2 Pool configuration

A better pool configuration can maximize the screen area and such achieve better result. It is hard to set the deck angle at one time ,it needs the operation personnel adjusting several times according to the flow of the mud .The best pool configuration is when the mud covers the first and second shaker screen.

3 Screen tention

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Jan 17

GN solids control developed a new product- mini shale shaker, model GNZS752. It can meet the requirement for the clients who do not need so large treating capacity, but want to find an economic way to separate big solids from the drilling fluids.

mini shale shaker

mini shale shaker

GNZS752 shale shaker with unit treating capacity 264gpm, 2 screen panels with total screen area 1.35m2, G-force 6.3G adjustable, total power of this shaker is only 1.0KW, and total weight 800 kgs. Based on these parameters, we called it mini shale shaker.

This linear motion shale shaker GNZS752 can be widely used in HDD, water well drilling , shadow drilling and other drillings which need small treating capacity. After the new mini shaker is developed, there are many clients showed their interests. Before they have to use bigger shaker 2-panel GNZS852 or even 3-panel GNZS703. These shakers can treat the drilling mud better because of their large treating capacity, but it is a waste of money.

Comparison between GNZS752 and Brandt mini Cobra 2-panel shaker

Motor power: Brandt mini Cobra is 1.1KW x 2 , GN mini shaker is 0.5KW x 2

Screen area: Brandt mini Cobra is 1.6m2, GN mini shaker is 1.35m2

Screen panel: Both of them are 2 panel

Screen type: pretension, repairable

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Sep 01

Vibrating screen normally called shale shaker in oil and gas drilling industry. GN solids control produce vibrating screen machine and replacement screens for it.

Working principle of vibrating screen:

GN vibrating screen

GN vibrating screen

By the motor force and adjusting the amplitude of the eccentric shaft, vibrating screen moves quickly like a circle. Materials in the sieve case can be saperated and screened from the sieve pore in this process.

Vibrating screen in Venezuela

We are seeking for a distributor in Venezuela to have some of our shaker screens in stock, the local market’s requirement is very large. If you are interested in GN distributor in Venezuela, and have large enough warehouse and good client’s network, pls contact GN solids control.

GN vibrating screen model:

By treating capacity:

80m3/h, 120m3/h, 150m3/h, 200m3/h

By vibration motion:

Linear motion and balanced elliptical motion

By screen panel qty

2-screen-panel, 3-panels, 4-panels

By location of buffer box( inlet method):

Top-buffer-box, back-buffer box

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Aug 05

GN solids control choose Italy Oli brand vibrating motor for all our shale shakers. Vibration motor is important components for shale shaker, I will introduce briefly about vibrating motor installation & maintenance.

1 How to install vibrating motor ?

shale shaker vibrator

shale shaker vibrator

 (1). Before installing vibrator, turn off and lock out/tag out all energy sources to mounting structure according to ANSI standards。

(2). If using a cutting torch or welding, test atmosphere for gas level or dust content.

(3). Make sure mounting surface is strong and flat, 0.25 mm acros vibrator feet. (This will minimize internal stress to vibrator casting when tightening mount bolts.

(4) Make sure mounting surface and vibrator are clean and free of debris, paint, and oxidation.

(5) Before installing vibrator onto mount, apply thread sealing compound to all bolts.

(6) After the vibrator has been operated for 10 to 20 minutes, check bolt torque. Tighten if necessary

2 How to  maintain  vibrating motor?

(1)Clean dust on shell regularly

(2)Before operating, must check the bolts to confirm whether there is loose or not. Otherwise, we must screw bolts tight before running shaker

(3) Inspect the cable, whether there is wear, hold down, crushing, etc.

(4) the vibration motor should be under good lubrication during operation:

Motors before fixed on shaker, the bearing is filled with SKF specific lubricate grease, the temperature range is -40 ~ 200℃

During running, every 2000 working hours user should makeup LGHP2 lubricate grease once. Every bearing can not be filled over 25.8g.

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Jul 29

GNZS703 shale shaker is widely used for oil and gas drilling and directional drilling in the world.

1 shaker deck adjustment


A spring-loaded plunger and reversible pawl provide a ratcheting action during movement of the operating handle. A full 180 degrees of movement is possible in both directions. Depending on pawl setting, moving the handle in one direction turns the jack screw to raise or lower the screen frame, while in the other direction the jack screw remains stationary during handle movement. The spring-loaded pawl permits the operator to switch the direction to either raise or lower the screen frame, as required.The angle of the discharge end of the screen frame is infinitely adjustable within the equipment’s available range.

2 shale shaker maintenance

(1)Inspect discharge duct connection on side of hopper for leaks. Tighten connection and/or add silicone sealant to prevent leakage.

(2)Inspect cover on unused hopper discharge connection for leaks. Tighten connection and/or add silicone sealant to prevent leakage.

(3)Using a water hose, wash off accumulated process material from screen frame, interior of hopper and AWD angle adjustment components.

(4)Excess process material in these areas may impede angle adjustment of screen frame and can reduce screen frame vibration if the frame bottoms out on the buildup.

(5)Check for and remove any accumulation of process material or other obstruction in feeder interior. Feeder blockage may cause excessive splashing and uneven distribution of slurry onto the screen bed.

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Jul 15

GN solids control will attend Argentina Oil & Gas Expo 2011 in Otc. We just came back from Brazil Offshore 2011 last month with big success.We will attend the show with our exclusive agent in Argentina together, welcome to contact us by English, Portuguese, Spanish, Chinese languages.We have experienced Technician and Sales there to be ready to service for you.

GNZS703 shale shaker

GNZS703 shale shaker

General info. about

AOG 2011

  • Show Name: Argentina Oil & Gas Expo 2011
  • Show Time: 10th to 13th Otc 2011,14:00~21:00 p.m.
  • Venue: La Rural, Buenos Aires, Argentina
  • GN Booth numberQ12
  • GN Booth Area: 38m2
  • What GN show? GLW355X1250N high speed decanter centrifuge and GNZS70-3 linear motion shale shaker, etc, welcome to check our equipments during the show.

GN equipments and system can be used for the following projects:

1 HDD mud system

2 onshore drilling solids control system( oil & gas drilling, water well drilling, coal-bed methane drilling, geothermal well drilling,etc)

3 drilling waste management

4 liquid mud plant ( to prepare for clean mud)

high speed decanter centrifuge

high speed decanter centrifuge

What will be exhibited in the show?

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