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Mar 22

Jet Mud Mixer Application

GN series jet mud mixer is applied to make and mix drilling fluid to change the density and viscosity. This device can satisfy the fluid weighting and mixing of solids control system for 1600m-6000m drilling.

Jet Mud Mixer Function

1. Mud mixer is a single jet mixer combined with 45 Kw (or 55 Kw) sand pump and a jet mud hopper or a double jet mixer of two pumps and two hoppers.

2. The weighting hopper can be combined with a pump or be used independently with manifold valves with pump.

3. Put the drilling fluid materials (bentonite, barite powder) and the corresponding chemical additives (polymer) into circulation tank for increasing the total.

The Design of Jet Mixing Pump:


Jet Mud Mixer

Jet mud mixing pump can be designed to many types. One is ventury hopper and centrifugal pump fixed together on the tank skid as one unit and the electricity power is controlled by chief electric cabinet

Second is the hopper fixed on the tank and the pump is on the tank skid they designed separately and connected by pipelines. The electricity power is from chief cabinet directly.

What are the advantages?

This unite is able to provide maximum efficiency mixing. In the drilling site, require the addition of bentonite, polymers and other powders to achieve the performance of the drilling mud generally such as hole cleaning drilling mud viscosity and water loss control. In applications of large proportion drilling mud, the application of barite potential collision is more important

written by GN Desander Desilter \\ tags:

May 30

GN solids control recieved an order for trailer mounted mud system for CBM drilling.In some ways, this unit was designed as per customer’s special requirement and it has a high configuration.

It is worthy to mention that considering customer’s trailer mounted rig, the drilling mud outlet from the borehole is lower, we designed the recycling tank very low in order to let the mud flow to shaker buffer box very easy without using a slurry transfer pump. Greatly save the cost and offer convenient solution for customer.

Trailer mounted CBM mud system

Trailer mounted CBM mud system

The main equipment list below:

  • 2 units GNZS703 shale shaker with capacity 120m3/h(528GPM) for better performance and in case either one would be broken down.
  • Mini Desander & Desilter with underflow shaker for much drier the solids, also applicable for weighted drilling mud.
  • 1 unit GNLW452 Decanter Centrifuge shows the high request of customer for treating the mud.

    Decanter centrifuge

    Decanter centrifuge


  • 2 units Mud tank each for recycling mud, while another for mixing with separately located Jet mixing unit.

GN has supplied several such HDD or CBM drilling mud system to China petroleum pipeline and China biggest CBM contractor.Also you can find our system working in Austrailia,Thailand,Indonesia,Saudi Arabia and some African countries.

written by GN Desander Desilter \\ tags: , ,

May 15

Summery of GN sand pump

GN sand  pump designed for pumping drilling fluid or industrial suspension (slurry), the use of advanced design theory can be pumping abrasive, liquid viscosity (resistance) and corrosion. Compared with an ordinary pump, excellent flow, high temperature, long life, easy maintenance, high reliability, significant energy saving effect and so on, now widely used around the world on land and offshore drilling.

Sand pump connections

Sand pump connections

Application of Mission sand pump

1Drilling applications:

Mud mixing and shearing operations, demanding and delisting, degassing, supercharging, centrifugal feed, mud cooling towers, and wash down.


Chemical, petroleum (refining), industrial, construction and agricultural applications.

Mission sand pump replacement

Mission sand pump replacement

 Installation instruction

1 Best installed near the pumps and pumping source, and to shorten the length of the inhalation segment, reducing the loss of the pump self-priming pump must be installed below the level of the pumping source.

2 Firstly pour the concrete foundation, place″T″type channel iron when pouring, and install skid base after the concrete freezing. All the bases are required to be level in order to avoid the machine shaking.



3 Coupling installation

3.1 Coupling must be concentric with Shaft, the two axes must be aligned and its error limits: The value of parallel deviation cannot be over 0.25; the value of intersection angle error of the two axes cannot be over 0.12.

3.2 Check: Checking the two errors by percentage meter with pedestal (As fig. shown). Its two touches must keep close to the outside circle surface or face of the coupling and rotate slowly when checking. Take the max reading shown on the meter as error value.

written by GN Desander Desilter \\ tags: , ,

Jul 14

All the equipments equiped in GN Mud System are driven by electricity, generally, there would be a Electric Control Panel equiped on the tank skid or the one of the short flank side or beside the equipment to turn on or turn off the electrical equipments.

Electric Control Panel on Mud Tank Flank Side

Electric Control Panel Function

In one set complete GN mud system, always below main equipments will be involved. Shale shaker, Centrifugal pump, Desander, Desilter, Mud agitator, sometimes the Centrifuge also needed. Each equipments has one electric control panel, by screwing the knob to “on” or “off”, we could start the equipments and stop it.

Electric Control Panel Type

In GN mud system, there are 2 kinds of electric control panel claasified by the dimension and the quantity of the equipments would be controled. Generally, several pumps would be needed in the mud system, therefore, a large electric control panel would be made to contral all the pumps. The operator could stand in front of the control panel to control all the pump, even there would be a submersible pump installed far away from the Mud tank. One general electric control panel could control all the electric device in the mud system.
Besides that, there would be some small control panel, the operator also could control the equipments on top of the mud tank, no need get down the tank to operate at the gneral control panel.

Electric Control Panel on Mud Tank Skid

GN Electric Control Panel Feature

Mud system always is used in oilfied where request the explosion proof equipments. GN electric control panel all designed explosion proof standard to suitable for the application in the oil and gas industry. The main electric compartments all come from famous brands of  Siemens and Schneider, safe and long life.

Electric Control Panel on Low Tank

GN could offer the Electric control panel of IEC EX standard to meet the customer’s high level request. The high quality of the electric control panel make sure the GN mud system performs well.

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

Jun 29

This week, GN will send 1 unit GNPS703 Shale shaker to India Customer from Mining Industry. Just like GN advertised, GN’s equipments could be used in Oil & gas drilling, Horizontal directional drilling and some other industry. No doubt, mining industry also need solids control equipments.

Mining Industry Shale Shaker


GN Shale shaker advantages:

* Metal & rubber composite material for dumping spring with longer life
* Vibrating motor choose Italy Oli brand, IEC Ex and ATEX option available
* Heat treatment on complete shaker deck
* Electrical components: Siemens, Schneider, ABB
* Surface painting & coating with heavy anticorrosive Japan Kansai paint
* Wedged type shaker screen for fast screens changing

Why GN Shale shaker

Customer knew GN for a long time but never given GN order before, cause they have’t seen GN equipments before. But we never given up informing customer about GN’s news such as GN attending CIPPE in Beijing & OTC in Huston.
What the customer request is the direction of GN’s endeavor. Our customer has a urgent project and will need one unit shale shaker. After inquiring some other manufacturer for shale shaker without getting a better solution. They come to GN, with discounted price, gn transfer one unit shale shaker from other project to our customer. What GN thought then is how to help our customer solve their problem. If you are sincere to Customer, customer will trust in you.

Besides GN Shale shaker, this Customer fron India mining industry together placed order to GN for Jet mud mixer and Agitator, now the equipments are under producing. If you need help from GN, please don’t hesitate to tell us.

Customer first will be always the faith of GN.

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

Sep 14

The mud tank jet mixer on a separate skid connected with the mud tank(storage tank or mixing tank), it has two functions, one is mixing, the other one is agitating. Sometimes you can use the storage tank as mixing tank, one more mixing tank for mud mixing system is also feasible.

 How is the bentonite mud mixer to ensure the correct quantity / consistency of bentonite to water is achieved ?

1,For mixing, firstly, water tanks are filled up, then adding bentonite from the hopper, the mixing system mix the bentonite and fluids from the pump, then goes from the blue pipe into the tank.

mud tank jet mixer

mud tank jet mixer

Before you mix the bentonite, you must know the viscosity and density of you demand, for example , you need 20m3 fluids, and density is 1.8G, you can calculate how much bentonite powder and how much water you need, then you prepare for the correct qty water and bentonite powder.

 Firstly you can put the water into the mixing tank, then add the bentonite powder through the jet mixer,the powder will enter into the mixing tank , they will mix together by the mud agitator.

2,For agitating mud,shut off the valve of the  blue pipe line which links to the tank top side(as in pics),and open the valve of the black tube(which links to the mud gun pipe line),the with the mud gun jet mixing pressure for mud agitating in the tanks.

Another way is to put the mud tank jet mixer on the skid of the tank, it is convenient for transportation, and easy for operation.

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

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