Jun 29

As China & USA leading supplier for solids control equipment and drilling waste management equipment, GN Solids Control just deliver large quantity of solids control equipment to Middle East, the clients have been in connection with GN Solids Control for over 5 years. Even the market is down, the client still buy some solids control equipment for the ongoing drilling operation. In this year, the clients bought some shale shakers, mud agitators, mud gun, centrifugal pumps etc.

160629 tandem shale shaker 2

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Nov 30

Mud tank is the base for mud system, all the solids control equipment should be mounted on mud tank for operation. We have large quantity of mud tank sales in domestic market; for overseas market, we recommend customer do it locally to avoid pretty high freight cost. However, there are still some customers from Middle East and Africa bought mud tanks from us due to instable of local political issues.

Recently, we ship one mud tank with mud agitators, mud guns to Iraq. The customer is locally oil service company with many years industrial experience. The mud tank will be used as drilling mud storage tank.

mud tank

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Jul 13

Mud agitator is mainly composed of electric motor, gear box and impeller shaft assy, for shaft- connection type mud agitator, it also have coupler. Elastic coupling connect electric motor input shaft and agitator gear box input shaft. Impeller shaft and agitator gear box output shaft are connected by rigid coupling.

agitator gear box

agitator gear box

GN agitator gear box is worm gear reducer, which is combined with explosion-proof motor, enable stable performance in wild severe environment.

Rotation of the drive motor is transferred to the impeller shaft through the directly coupled gear drive. The drive is a reduction agitator gear box and is factory assembled to the drive motor. The drive is sized to apply the maximum torque required to produce the design impeller rotation speed of 60 rpm under 50hz, and 72 rpm under 60hz.

The mud agitator stirs a mud slurry to maintain suspension of solids. The agitator is mounted on top of the mud tank and has one or two impeller(s) immersed in the mud slurry. The impeller shaft is directly coupled to an electric drive motor that is available in several horsepower ratings from 7.5 to 25.

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Apr 05

Whatever the drilling is, if only there is mud system, you will have mud mixing and agitation issues after a period of drilling.

Mud mixing equipment

GN jet mud mixer is specially used for mud mixing. GN Jet mud mixer is composed of a venturi type hopper and a centrifugal pump, we have 4 models available, GNSL150-45S,GNSL150-35S, GNSL100-25S,GNSL100-25M with 1320gallons/min, 880gpm, 400gpm and 264gpm mixing capacity.

Mud mixing and agitation equipments

Mud mixing and agitation equipments

How a venturi hopper work?

The fluid velocity must increase through the constriction to satisfy the equation of continuity, while its pressure must decrease due to conservation of energy: the gain in kinetic energy is balanced by a drop in pressure or a pressure gradient force. An equation for the drop in pressure due to the Venturi effect may be derived from a combination of Bernoulli’s principle and the equation of continuity.
Mud agitation equipments

Mud agitator is mainly used for mud agitation, sometimes for mud mixing. Also in some applications, vacuum degasser also be called a” big mud agitation equipment”.Mud agitator is composed of electric motor and gear box, the popular connection method is direct connection, in some countries, they still use shaft connection mud agitator.

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Nov 22

There are 4 models mud agitator available, GNJBQ5.5, GNJBQ7.5,GNJBQ11, GNJBQ15. GN horizontal agitators utilize worm gear reducer. Welding type or casting type impeller for option. The updated GN mud agitator with the best brand gear box and use FAG bearing to last the gear box life.

GN mud agitatorstructure:

mud agitators

mud agitators

The impeller is fixed to the shaft with bolts to avoid rotating or sway. Its vertical location on the shaft is determined as a height from the tank bottom corresponding to the impeller diameter times 0.75. If dual impellers are desired, straight blades are mounted on the bottom and the canted blade impeller is installed at a point about two-thirds above the tank bottom.

The keyed motor and driven impeller shafts are rigidly connected by a multi-piece coupling, which uses tapered locking bushings to secure the shafts together. Shaft lengths are customized to suit customer specifications. For shafts longer than 8’, a stabilizer is mounted on the tank bottom to support the lower end of the shaft.

Mud agitator maintenance             

Mud agitator maintenance consists of checking gearbox oil level and oil condition and greasing gearbox bearings at required intervals.

1 Before operation, lubricate gearbox with L-CKE/P 220~320# worn gear oil  or with L-CKE/P 320~460# worn gear oil.Verify that lubricant level in the gearbox reaches the bottom of the oil level plug.

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Oct 14

JBQ mud agitator is a part of solid control system of mud tank, which is mainly used in agitating and blending drilling fluid so as to control the depositions of solid particles in its tank cycling system and keep the mud property of circulation stable and mixture uniform.

GN solids control manufacture drilling mud agitator with various models, different agitator use different motor. The model we have now including JBQ5.5(7.5HP motor), JBQ 7.5(10HP motor), JBQ11(15HP motor), JBQ15(20HP motor), JBQ22(30HP).

mud agitator motor

mud agitator motor

Mud agitator is consist of gear box and motor, shaft, impeller, stabilizer( option), etc. Motor is a main part of drilling mud agitator. Usually we use explosion proof motorYB2 series for mud agitator.

The detailed model is:

5.5KW agitator motor:  YB2-132S-4

7.5KW  agitator motor    YB2-132M-4

11KW   agitator motor YB2-160M-4

15KW  agitator motor       YB2-160L-4

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Jul 22

GN solids control is seeking for a reliable and powerful partner who makes mud tanks in Latin America, we will provide solids control equipments and when tank is ready, you can install it on the tank.

agitator mixer

agitator mixer

Because of the long distance shipment from China to Latin America, and the high import tax of mud tank, the economic way is to make the tank by local mud tank manufacture and installed with GN equipments. We will have a technician for instruction of installation.

Agitator mixer uses an impeller to mix and suspend the solids using both axial and radial flows, and by utilizing low shear mixers to suspend and mix mud additives particle size degradation and polymer shear. Unlike centrifugal pumps or mud guns. The Mud Agitator is relatively low shear and low energy device, so it’s easy to operate and inexpensive to maintain. This will ensure that mud additives are homogeneously mixed to prevent dead spots. Agitators will keep the active mud system flowing even when the pumps are disengaged and keep the weighting agents in suspension.

BENEFITS OF AGITATOR MIXER:
     – Increase performance of solids removal equipment.
     – Maintain a uniform mud density.
     – Prevents solids settling , taking up valuable tank displacement.
     – High shear mixing, aids chemical and solids addition.

FEATURES OF AGITATOR MIXER:
     – Compact design.
     – Quiet, smooth, vibration free.
     – Durable, single reduction worm gear drive.
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Apr 29

This week GN shipped several sets of stainless steel mud agitators to Algeria. Normally our agitator material is carbon steel, but sometimes we can make customized equipments, such as customized shaft length, impeller diameter, impeller thickness, material, etc.

A mud agitator is used in surface mud systems to suspend solids and maintain homogeneous mixture throughout the system. A mechanical agitator is driven by an explosion-proof motor, coupled to a gear box that drives the impeller shaft. The impellers (turbines) transform mechanical power into fluid circulation or agitation. The objective is to obtain a uniform suspension of all solids.

mud agitator

mud agitator

Mud agitator can be divided into horizontal mounted agitator and vertical mounted agitator according to mounting method.

Types of Impeller Blades

Derrick mud agitator

All Derrick agitators feature a “C” face motor coupled to a rugged oilfield gearbox, which

eliminates misalignment and troublesome couplings. This configuration promotes longer motor and gearbox bearing life. Derrick uses a Helical-Bevel gear unit to turn the impeller.

This highly efficient gearbox offers a 95% power transfer, which is approximately 30% more than a worm drive gearbox. Helical-Bevel gearboxes are preferred over worm gear arrangements because of their power efficiency, reliability, and lower operating temperatures.

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Jul 16

Mud agitator is one important part of mud system, since GN Solids Control supply solids control equipments to Jidong Oilfield, there are 16 mud sotorage tanks, and each tank is used with 2 mud tank agitators. As we have introduced the mud tank agitator, here comes a more interesting question: how to size mud agitator.
I have give some Purchase Tips:

Please contact GN Solids Control representative with your tank dimensions and maximum mud weights for the correct agitator model, horsepower, impeller (size, type and quantity), and shaft length to meet your requirements.

  • Mud Tank Dimensions

Mud tank dimension is used to confirm the length of the shaft and the type of the impellers.

  • Motors

Which brand do you prefer, do you need explosion prevent motors.

  • Gear box

This is the key part of tank agitator. Inch-bound is always needed. How to matching with the motor, and which rotate ratio is you really need.(Usually 60 or 72r/min)
P.S. : Contact GN Solids Control to get more professional advice.

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Jul 07

Mud agitator can be classified to horizontal and vertical mud agitator. All GN mud agitators feature a brand motor coupled to a mud agitatorrugged oilfield gearbox, which eliminates misalignment and troublesome couplings. This configuration promotes longer motor and gearbox bearing life. This highly efficient gearbox offers a 95% power transfer, which is approximately 30% more than a worm drive gearbox.

Motors of Mud Agitator

The motors GN Solids Control used is brand motors in China, and as you requried, we choose different types of motors for the agitator. Continue reading »

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