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Monthly Archives: February 2020

How to use the drilling fluid solid control system correctly

Before solid control equipment leave the manufacturer must be installed and debugged, so the installation of solid control system relate to the work and service life of drilling fluid solid control system, so we must master the quality.
We should accord the solid control system plane figure to install.

solid control system

Install the pavement railing and ground ladder among the tanks.
The drilling fluid mud gun pipeline and pure water pipeline all use the sebific duct which can bear the pressure, using thread union connection.
The remaining pipelines between the tanks use the elastic steel tube and thread union joint which can make steel pipe deviate the centre line 11°.
The medicine tank is installed front of 2 mark tank, adjusting the location, after using bolting fixed well, the exit end of medicine tank jut in the tank of bottom of drilling fluid.
Installation the elevated pipe and ladder, between well mouth and elevated adopt attracting sebific duct connection, the replenishment pipeline adopt the agnail pipe and rubber water hose connection.
Connecting drilling pump sail upstream water pipeline.
Installation the aggravating device and drilling fluid feeding liquid pipeline and climbing sebific duct.

Install solid control equipment.
After installation should be complete inspection, after passed examination can be debugged. The debugging equipment includes shale shaker, vacuum degasser, drilling fluid cleaner, drilling fluid centrifuge, shear pump, centrifuge feeding
liquid pump, drilling fluid mud gun and mud agitator.

Shipped 3 sets of vacuum degasser to Pakistan market

Vacuum degasser is the 2nd purification equipment in whole drilling mud system&peroid; It serves to get rid of entrained gas in drilling fluid&peroid; Mainly remove small bubbles that a liquid film has enveloped and entrapped&peroid.
This week, we need ship 3 sets vacuum degasser to Pakistan market used for drilling fluid mud recycling system.

vacuum degasser

The function of vacuum degasser is breaking the air and gas out, such as methane, H?S, and CO from the mud to the surface. Usually, fluid is sucked from shaker tank under vacuum force. Furthermore, vacuum degasser plays the role of agitation on drilling fluid. Based on universal design, Aipu vacuum degasser can be customized according to your practical demand.

Features Of DC Vacuum Degasser
Self-suction requests on an extra pump to feed it.
High efficiency up to 95%.
Great painting works inside for longer service life under corrosive condition.
Many options for standard or certification: IECEX, ATEX, UL, DGMS, CE, and so on.
Compact and small footprint

In China solids control industry, DC is a solids control leader and expert in drilling waste management. DC is capable of providing customers with such four series as oil & gas drilling solids control equipment, centrifuge, drilling
waste treatment equipment and drilling security equipment, such as shale shaker, decanter centrifuge, shale shaker screen, desander, desilter, vacuum degasser, centrifugal pump,vertical centrifuge, submersible slurry pump, shear pump,
mud agitator, mud gun, drilling fluid mud cleaner, jet mud mixer, screw pump, mud tank, diesel tank, water tank, complete solids control system, etc.

Two Sets of DC Mud Cleaner Is In Production

DCQJ Series Mud Cleaner is the second or third stage separation equipment for drilling fluids, which deals with the mud being treated by the first grade separation equipment. And now DC workshop workers have been working normally. And making the mud cleaners for india client.

mud cleaner

Drilling Fluids Mud Cleaner Features & Benefits:
1. Polyurethane ( PU ) material, high-chromium cast iron or ceramic to make desander and desilter cones.
2. Desander cones can be installed between one and three 10″ desander cones, each cone can process 500 GPM and makes a separation between 45 and 75 μm.
3. Desilter cones can be installed between eight and twenty 4″ or 5″ desilter cones, each cone can process 80 GPM, and makes a separation between 15 and 45 μm.
4. Mechanical Deck is adjustable during operation, reliable performance.
5. Compact design with small footprint, with top feed and weir feed two option.
6. Hook-strip shaker screen for fast screens changing with screens.

Mud Cleaner is also called Desander and Desilter assembly. Namely, mud cleaner consists of a two-stage separation process using a combination of hydrocyclones frame mounted over a shale shaker to operate as a single unit. Mud conditioner is effective on processing both weighted and unweighted drilling mud during mud systems in removing and drying solids while retaining the expensive drilling liquid. Used correctly, the drilling mud cleaner would greatly lower both drilling-fluid and disposal costs.

In oilfield solids control system, mud cleaner is one type very efficient device in oil & gas drilling mud cleaning system. Drilling Mud Cleaners are one of the important equipments for solids liqiud separation system. If you have any
request please contact us freely.

Drilling mud centrifugal pump China top suplier

As we know, drilling mud centrifugal pump is processing drilling fluid with various solid particle and chemical. It is mainly suspending liquid then the pump impeller and
casing should be more durable and high anticorrosive capability.

How to use centrifugal pump in solid control system

Centrifugal pump is the ideal equipment to provide impetus for Desander, Deserter and Jet mud mixer. It can also be used as Charge Pump auxiliary perfusion for mud pump and
Trip Pump for drilling well head. Centrifugal pump is also called sand pump. We considered completely the set equipment can work in excellent condition in the process of
designing parameters). Most parts can be exchanged , with convenient operation and maintenance、less seal leakage、reliability、long life and other advantages.

sand pump

Drilling mud centrifugal pump principle

Centrifugal pump is combined with impeller and casing. Drilling fluid will be sucted from impeller side, when impeller rotates at high speed there will be centrifugal force
and gain power or pressure. Then fluid flow through impeller path will produce pressure out. The drilling mud will come out under certain pressure.
Superiority of DC centrifugal pump

centrifugal pump

DC Offshore’s centrifugal pump designs have proved to be among the best for handling abrasive cements and drilling fluids. They are available in wear-resistant materials
compatible with the diverse applications of the oil and gas industry. DC Offshore’s centrifugal pumps are available from a few gallons per minute to over two thousands five
hundred gallons per minute. When downtime is critical, it is good to know that the DC Offshore’s centrifugal pump is dimensionally interchangeable with most centrifugal mud
pumps in service today.

High Speed Decanter Centrifuge Shipped to Russian

Decanter centrifuge is the fourth solid control facility in processing drilling fluid. Main unit of Centrifuge is made up of bowl, conveyor(screw propeller), big end bearing
plate, small end bearing plate, differential, main drive motor, auxiliary drive motor, hydraulic coupling, bearing seat, rotating body shield, drive shield, transmission belt,
control box, and the base, etc. Bowl and conveyor(screw propeller) are core components of decanter centrifuge. Solid phase separation of drilling fluid is proceed here.

DC Solid control is a professional manufacturer of drilling fluid centrifuge for many years. Recent days, we shipped a set of centrifuge to Russian client. The centrifuge
model is DCLW355-1250, treating capacity is 45m3/h; drum dia is 355mm and drum length is 1250mm.


Features of DC Decanter Centrifuge:

1. Straight and cone section of the drum made from 2205 duplex stainless steel material, because we adopt centrifugal casting process;
2. Remaining components of the drum assembly made from SS316L;
3. Screw carrier adopts YG6 wear-resistant alloy sheet protection. With long life, also easy maintenance and replacement;
4. Diversion port of screw pusher and slag-drip opening of the drum almost protected by replaceable wear-resistant alloy sleeve. While this delays the service life and maintenance cycle.
5. Drum assembly protected with demountable support frame in transit, preventing damage to bearing;
6. Using imported even more SKF and NSK bearings to improve equipment stability and bearing life;
7. Frequency control facilitates customers to adjust speed at any time. Also this meets different working conditions;
8. Schneider or Siemens electrical components. While current overload & mechanical limit switch dual protections.


DCLW series Decanter centrifuge are almost used to process unweighted and weighted, water-based and oil-based drilling fluids (muds). Furthermore, DC Solids Control is a
professional manufacturer of decanter centrifuge in China. Welcome you to visit our factory at any time!

DC Decanter centrifuges use features and application

DC Decanter Centrifuge is designed for the drilling mud solids control and oilfield waste management. DC VFD drive decanter centrifuge with variable speed allows drilling
contracor or mud service company to do the barite recovery, fine/ ultra fine solids separation,dewatering centrifuge. DC have the decanter centrifuge from 9 inch bowl to 22
inch bowl available for different applications.

To be as a professional manufacturer of all kinds of decanter centrifuges. We can design and produce it according to users request. According to different rotating speed, it
can be defined as middle speed, high speed and high speed VFD centrifuge. It is mainly use for recycling the barite, removing the fine solid particles sized in 2-7μm,
controlling the density and viscosity of drilling fluid to keep the drilling fluid performance.


Features of DC decanter centrifuge:

1. The straight section and cone section of the drum adopts duplex 2205 stainless steel material, formed by centrifugal casting;
2. The drum assembly and other parts is made of stainless steel SS316L;
3. The screw conveyor with wear-resistant alloy sheet protection, which is durable and easy for maintenance and replacement;
4. Wear resistant ceramic protective sleeve for the diversion port of the screw conveyor and the discharging port of the drum to ensure the durability and less maintenance;
5. The adjustable pond height to meet the different working conditions;
6. The drum assembly in the transport with the support frame to protect the bearing from damage;
7. Explosion-proof PLC intelligent electrical control cabinet with simple operation and automation to achieve different speeds for different working condition.


Our decanter centrifuge used for different Application:

Decanter centrifuge is widely used in industries as municipal and industrial waste water treatment, food processing, pharmaceuticals and chemicals, etc.
1. Decanter centrifuge solid phase dehydration: dehydration effect for processing materials of solid particles.
2. Decanter centrifuge particle size classification: used in the removal of material of large diameter solid particles.
3. Decanter centrifuge liquid clarification: used for removing solid particles in the suspension liquid are clarified.

Drilling fluid DC shale shaker design features

Shale shaker for solids control are devices that remove drill cuttings from the drilling fluid while circulating and drilling. There are many different designs and research
into the best design is constantly ongoing since solids control is vital in keeping down costs associated with the drilling fluid.

shale shaker

The basic design consists of large, flat sheets of wire mesh screens or sieves of various mesh sizes that shale shakes or vibrates the drill cuttings, commonly shale shaker, across
and off of the screens as the drilling fluid flows through them and back into the drilling fluids processing system, often called a mud system. This separates the drill
cuttings, often called solids, from the drilling fluid so that it can be recirculated back down the well bore. In oilfield industry, linear motion shale shaker are widely used
for drilling mud solids cotrol of oil gas well drilling for rig.


DC Solids Control can design double shakers and triplicate shakerson single skid according to clients’special requirements and also supply relevant connecting manifold,
according to current industry situation, DC provide both third generation linear motion shale shaker and fourth generation balanced elliptical shale shaker.

DCS linear motion shale shaker absorbed advanced tech at home and abroad ,and integrated DC own design. DC complete series shale shaker can meet customers’ variable demand.
Clients feedback proved the advantages of this kind of shale shaker: high G-force, wide screen area, compressed structure, cost-effective, etc.

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