what is mud agitator in drilling made in china

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Mud Agitator is one of the solids control equipment that is mainly used to mix the drilling fluids in the mud tanks to keep the solids inside the drilling fluids suspending other than sedimentation down to the tank bottom.

GN’s sales team ever received many inquiries on the mud agitators; unfortunately, most of the clients have no idea on how to choose the right model for their project and even don’t know how to use the equipment properly to ensure a longer life time.

GN’s sales are good at understanding clients’ specific request by asking few simple questions. With the answer from the clients, GN always could give the best proposal for clients. Now let’s see what these questions are and what information GN need to give a proposal.

a. What is the inside dimension of the mud tank or pit. From this question, GN will know the inside length, width and depth of the mud tank, and then GN will know how long the agitator shaft should be suggested for clients and how big impeller should be used. For the deep mud tank or pit, the stabilizer will be provided to hold the agitator shaft for stable performance.

c. What is the electric specification, mainly GN would like to know the jobsite electric voltage and frequency. Different countries may have different frequency, the 50 Hz motor cannot be used under 60 Hz, and safety is ever the first think we should keep in mind.

Mud agitator is always installed in mixing tank with jet mixing unit, active mud reserve tank and trip tank. For some clients who get the mud agitators from GN and make the mud tank by themselves, GN always recommends them to make the mud tank with same dimension, thus they can get the agitator all same model, which would be much better for clients’ future maintenance. GN suggest the RPM setting of the mud agitator between 40-96, too high will disturb the solids suspending, while too low will lead to solids sedimentation.

Mud Agitators is used to provide continuous and reliable agitation of drilling liquid in order to retain uniformity of drilling and keep solid particles suspending. It is compact structure, light weight, transmission balance, low noise, high efficiency and strong capability, bcz the reducer adopts turbine worm single reduction gear.

sell china cycloid type and gearbox mud agitator with impeller. Mud agitator/mixer can be used widely in various applications.Including drilling mud mixture, chemical agitating, food or beverage, etc.

Mud agitator also named drilling mud agitator. It used for drilling fluid agitation mix,prevent drilling fluid solid particles in the tank circulation system deposit,cycle drilling fluid performance stability, mixed evenly. Also can keep cement in suspension in waste water from concrete production.

Mud agitator composed by explosion-proof motor,reducer,engine base and impeller components four parts. The motor and the speed reducer,reducer and the impeller shaft are connected through rigid coupling.

The drilling fluid materials (wild animals, barite powder) and some chemical additives (polymers) are put into the circulating tank to increase the total amount of drilling fluid produced and to change the density, viscosity, dehydration, etc. Direct inputs will result in a large amount of settling or lumping of drilling fluid materials and chemical additives, rather than a dispersed, well-proportionally balanced drilling fluid.

The mud mixer is the equipment used in conjunction with the solid control system. It can meet the weight and mixing requirements of the 1,500-m to 7,000-m cementing control system. The equipment is a single injection mixer with a 45 kW (or 55 kW) sand pump and a jetting hopper, or a double injection mixer with two pumps and two hoppers. Safe performance and convenient transportation.

NJ series mud Agitator, Less than 5.5 kW drilling mud Agitator adopts the blender cycloid speed reducer, and it is applied to the drug liquids mixing tank. This mud agitator has the advantage of compact structure, so it occupies small area. More than 7.5 kW Mud Agitator uses the turbo and worm gear speed reducer, with the large torque transmission, the revolution is steady, it works reliable and has great merit. Common model of mud agitator is NJ5.5 KW, NJ7.5kW, NJ11kW and NJ15kW.The drilling mud agitator is an important components for GSSY Solids Control drilling fluids processing system.

GSSY mud agitator mix the 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 centrifuge pumps or mud guns. The GSSY 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.

B) After Sales Service: Guarantee & Commissioning: GSSY Provide 1 year guarantee and service for first time commissioning of system and training up clients engineer.

C) Emergency Service: According to the time of finishing formalities .GSSY Engineers will leave for the job site ASAP or provide long-distance service, and finish trouble shooting. GSSY also keep try to make offices around the world.

Generally the mud agitator is a mechanical equipment used to agitate different materials widely used in engineering field. In the offshore plants, it is used to mix both drilling mud and bulk. Drilling muds are of high viscosity fluids that composed with oil or water and bulk. Therefore, it is necessary to predict and understand the stabilized mixing performance of agitator because the accurate material property maintained by agitation is essential to stabilize drilling system.

Drilling mud, which is the mixture of oil (or water) and bulk (Barite, Bentonite, Polymers etc.), is used to lubricate the drilling bit, to remove the cutting and to keep the pressure steady inside the drilling hole. Although there are many different types of facilities from which drilling operations take place, the core system of these facilities is drilling system, which is mainly composed of bulk-handling and mud-handling systems. The efficiencies of transportation, mixing in an mud agitator and separation of gas in a separator are important for the performance of these systems.

In the drilling processes and regarding systems, multiphase flows, where gas, water, oil and discrete solid materials are mixed, frequently and easily observed. To increase the performance and guarantee the safety of the whole system, it is of importance to predict and analyze the characteristics of these complicated flows.

There are few of research papers for analyzing the flow field of mud agitator. Numerical simulations in regard to change torque and position of impellor with 45° pitched blades was performed by Chang and Hur. The flow patterns in agitator relating to its geometric shape and power of agitation was investigated by Kumaresan and Joshi which were made through experiments using LDV(Laser Doppler Velocimeter) and numerical method. And the performance of agitation with various size of impellor was studied by Nienow.

In this study, numerical simulation of swirling flow on a mechanical agitator is carried out to investigate the mixing performance of agitator using two commercial softwares, STAR CCM+ ver.8.04 [4] based on Eulerian approach and Particleworks ver.4.5 based on Lagrangian approach. First, for the validation, the water mixing problems by a mechanical agitator is simulated and the results of simulation are compared to those of experiments performed by Nagata et al. . Furthermore, the premixed drilling mud with a constant viscosity is considered as a mixing material, and the comparison of mixing performance with the case of water mixing is discussed.

For STAR-CCM+ based on Eulerian approach, the governing equations for incompressible and viscous flow are the continuity and RaNS (Reynolds-averaged Navier-Stokes) equations as follows:

where, U is the velocity, x the coordinate, t the time, ρ the density, p the pressure, ν the kinematic viscosity, ūiūj the turbulent stress and F the external force.

For Particleworks based on Lagrangian approach, the continuity Eq. (3) is written with respect to the density and the left-hand side of NS Eq. (4) denotes Lagrangian differentiation that is directly calculated by moving particles.

In STAR-CCM+, the governing equations are discretized by FVM(Finite volume method). Hybrid Gauss-LSQ method is adopted for pressure gradient term and 2nd-order upwind scheme for convection term. For solving the turbulent stress in governing equations, Reynolds stress model is used. The freesurface

In Particleworks, meanwhile, all terms expressed by differential operators in Eqs. (3)~(4) are replaced by the particle interaction models of MPS(Moving Particle Semiimplicit) method proposed by Koshizuka and Oka(1996) [8].

The turbulence model based on LES(Large Eddy Simulation) is adopted to calculate turbulent stress term and the freesurface motion is directly calculated by moving fluid particles.

To validate the present simulation with the experiments performed by Nagata et al. [6], the geometric shape of agitator is identical to the impellor which is one of the models used in the experiments as show in Fig. 1. The details of dimension are summarized in figure of dimention mud tanks. The impellor has 16 blades of flat plate. Impellor of agitator is rotating with 72rpm, and a linear acceleration time is adopted until 2sec.

The grid system can be made almost automatically by interior algorithms in STAR-CCM+ ver.8.04.The polyhedral mesh in rotating region and trimmer mesh in other region are generated. Total number of grids used as fine grid is around a million. On the other hand, the particles can also be arranged with a function of “Run preprocess” in Particleworks allowing for complex geometric shapes and adjusting particle distance. Total number of particles used here is around a half of million. More detail information for grids and particles are listed in TABLE 2 and the grid system and particles distribution in initial stage are shown in Fig. 2.

Two commercial softwares, STAR-CCM+ and Particleworks, are used to simulate the rotatory flow around the mud agitator inside a cylindrical tank. The free-surface elevation and magnitude of velocity at specific location are validated with experimental results [6]. The location of probes for measuring magnitude of velocity is given in TABLE 3.

Fig. 3 shows the comparison of the free-surface elevation along the center-plane, in which zero implies the center of the impeller. The height of the free-surface gets higher toward circumference due to the effect of centrifugal force. Both simulation results can represent the similar tendency compare

The magnitude of velocity probed at three locations in vertical is illustrated in Fig. 4. The peak values of velocity appear near the end of blades in the experiments, but slightly shifted inside in the simulations. The overall trends and agreements between the experiments and simulations are almost reasonable within 10% error band except for the case at prob3 for z=10cm. It means that the mixture by mud agitator cannot be well made upward in the simulations. The deviation from the experiments seems not to be related directly to the grid convergency, as shown in Fig. 5. The cases for the grid convergence test are classified in TABLE 4. Fig. 6 shows the time evolution of swirling motion due to the rotating of an mud agitator inner tank, in which the contours indicate the magnitude of velocity. As the time increases, the maximum distribution of velocity is generated in horizontal near the end of blades and developed in all directions. When the time becomes over 15sec, the quasi-steady swirling motion respect to the vertical centerline can be observed.

Next, the premixed mud which has the constant viscosity of 23CP and specific gravity of 1.3 is assumed to be fulfilled inside the tank instead of the water used in the previous study. Figs. 7~8 show the comparison of the wave height and the magnitude of velocity along the centerline with the case of the water mixing, respectively. Because the viscosity and density of mud are higher than those of water, the motion of freesurface is less dynamic in case of the mud mixing so that the change of free-surface and magnitude of velocity are relatively smaller. It causes that more time should be needed to reach the

In this study, numerical simulation of swirling flow on a mechanical mud agitator was carried out to investigate the mixing performance of agitator using both of Eulerian and Lagrangian approaches. First, the water mixing problems by a mechanical mud agitator was simulated and the results of simulation were validated with those of experiments by Nagata et al. [6]. The overall agreement was reasonable with the deviation within 10% error band. Furthermore, the premixed drilling mud with a constant viscosity was considered as a mixing material, and the comparison of mixing performance with the case of water mixing was discussed. It seems that the higher viscosity and heavier density of mud contribute to the resistance of mud mixing, compared to water mixing.

Derrick mud agitators include an explosion-proof, “C” faced motor, reduction gearbox (helical-bevel gears for horizontal agitators or all helical gears for vertical units), impeller, and shaft with assembly bushings. Motors range from 5 to 30 HP and may be supplied in several power configurations.

Attaching the motor directly to the gearbox protects correct alignment that can increase bearing life and provides 95 percent efficiency in power transfer to the impeller. Using this superior design surpasses standard worm drive gear assemblies by 30 percent, allowing Derrick agitators to do the same work at far less horsepower. By unitizing the motor and gearbox, weight and space requirements are reduced. Horsepower, mechanical configuration, impeller diameter, and shaft length are customized to tank dimensions and maximum mud weights. Available horsepower ratings* are: 5, 7.5, 10, 15, 20, 25, and 30.

Mud agitator is an important part of the drilling-fluid solids controling system. Drilling fluids agitatorcan be installed on drilling fluid tank, with the impeller submerged into certain depth under fluid surface to stir the fluid directly.During this process, the drilling fluid can be mixed even, and the solid particles are eliminated.In this way, it can improve solid phase dispersion, and increase the viscosity and gel strength, thus to make drilling fluid keep accordant with the requirement, provide needful fluid for drilling process, and ensure the smooth going of drilling work.Drilling mud agitator is the same as mud agitator.

TR solid control provide vertical and horizontal agitator. Horizontal mud agitator is divided into coupling type and direct type agitator. If you need a horizontal mud agitator, we recommend you use a direct type agitator. drilling mud Agitator is an ideal device for stirring, mixing liquid and preventing the solid-phase precipitation in the mixture.

Drilling Fluids Agitator in the mud system used to,mixing ratio and prevent to the mud tanked.TR solid control is an exporter of centrifugal pump . We are an exporter of drilling fluids mud agitator.Our factory approval the ISO9001,drilling agitator have the API certification.TR solids control is the designed,selling,production,service and delivery of Chinese mud agitator manufacturer. We will provide the high quality drilling fluids agitator and best service.Your best drilling mud tank agitators start from TR solids control.

Lake series mud agitator is part of the drilling fluids solids control equipment, which is mainly used to agitate and mix the drilling mud to prevent solids particles from depositing in the circulating tank and to stabilize the performance of drilling fluids.

It is composed of explosion-proof motor, speed reducer, motor base and blade. The motor and speed reducer, speed reducer and impeller shaft are connected by steel coupling. The impeller is welded with four blades.

Drilling Mud Agitator for Solid Control SystemLake Petro has been focusing on the oil and gas equipment supply more than 9 years. We always consider to support the customer economic cost, stable quality and comforable service.

A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 7-15days if we donâ??t have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.

XBSY is a leading company of drilling solids control equipment in terms of scale and variety. As a professional manufacturer of solids control equipment and drilling waste treatment systems, XBSY has participated in drafting Chinese SY5612-2007 and SY5612-2018 specifications for oil drilling solids control equipment.