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Category Archives: Desilter

Marketing used of Desander and desilter hydrociclones

Desander and desilter hydrociclones are device to separate particles from drilling fluid, which is sorted by shale shaker in the first phase of solids control system. Usually they are located after shale shakers.

Desanders make separations between 40 and 100 microns and offer the flexibility ­­of mounting either one, two, or three 10” desander cones over a cone underflow pan. DCCSQ desanders are also available in vertical or inclined manifold stand-alone models, or for inclined mounting on Derrick shakers.

desander

Desilters are designed to remove silt-sized (20 to 74 microns) solids from drilling fluids. DCCNQ’s round desilters are simple to operate and easy to maintain. DC’S polyurethane hydrocyclone offers a high volume 4” cone, while providing contractors an economical replacement for less efficient older equipment.

desilter

The standalone desander/desilter hydrocyclone unit can be assembled above linear motion shale shaker to recycle the useful drilling fluids from hydrocyclone underflow screening by fine mesh screens. Mud cleaner which combines desander, desilter and dewatering shale shaker in one unit is often used in nowadays drilling applications.

The spare parts of desilter cones delivery to Singapore

The hydrocyclones also called cones are the most important parts of desander and desilters. Today, DC Solid control shippped 100sets desilter hydrocyclones to Singapore clients by Air.

desilter cones  (1)

Desilter cones are typically 4”, but some client will request 3”, 5” as well. So it is rather flexible on capacity configuration. Desilter can be fit with the bottom shaker or not. Or it can be combined with shaker and desander together to be the mud cleaner. We call desilter as the 3rd phase solids control equipment.

desilter cones  (2)

The 4″ drilling mud desilter cone with the features of Silt-sized solids removal (12 ~ 74 microns). 100% polyurethane hydrocyclone. 80 gpm per cone at 75 feet of head. Variable size apex inserts. Available with and without a ramp in the feed inlet. Flexible fast connection is available for user to assemble and compact design, small footprint.

Contact us if you have requirements of any sizes of hydrocyclones.

CNQ×12 Desilter China famous manufacturer

CNQ×12 Desilter is composed of 10-12 φ100 polyurethane hydraulic cyclone and a small fine shaker combination, mainly used to remove the drilling fluid 20-40μm harmful solid phase. The usage shows that the equipment is designed to be reliable, workable, mud removal effect, is the ideal drilling fluid control equipment.

desilter

The desilter including fluid feed inlet, fluid discharge pipe, desilter cones, the support frame, bottom shaker or mud chute. The main parts including hydrocyclone, shaker screen, spring, screen motor, and so on.

desilters

But how should we maintain the desiter during the working. Firstly check the desilter cones regularly to make sure no block on nozzle or Drop in Apex. Make sure sufficient head, Operate desander prior to desilter when complete well or stop drilling, please brush or clean cones and pipelines to avoid clot.

There are thousands of manufacturer all over the globe manufacture solids control equipment. Desilter is one small part of such equipment. DC solid control is one of the provider of desilters, if you have interest with it, please contact us.

Which industry can be used the hydrocyclone desilters

Hydrocyclone desilter is the third class solids control equipment to treat the drilling fluids. According to the size of the cone diameter, they are divided into Desander and Desilter. Usually the cone diameter is less than 6″is called Desilter, and used as the third-control equipment in drilling operation.

desilters

Desilter is composed of 10-12 φ100 or φ125 polyurethane hydraulic cyclone and a small fine shaker combination, mainly used to remove the drilling fluid 20-40μm harmful solid phase. The usage shows that the equipment is designed to be reliable, workable, mud removal effect, is the ideal drilling fluid control equipment.

The desilter is widely used in trenchless HDD, tunneling construction, city bored piling, oil & gas drilling, Drilling Waste Management, Oil Mud Seperation, environment protection, Coal Bed Gas Solids Control System, mining, Oil Sludge Dewatering Systems, Water Drilling etc.

If you have any problems or questions about our products or need our support and assistance, please write to us, we will reply to you within 24 hours. If you become our customer, you will get corresponding discount.

Solid control equipment desilter usage introduction

Desilter used in solids control system is the 3rd phase equipment. Desilter is set after desander and prior to decanter centrifuge. The flow rate of desilter separator is decided by cones number. Usually, we utilize 4″ cone for desilter.

desilter

Each 4″ cone holds capacity 12~15m³/h. To achieve desilter separation there should be centrifugal pump as cone feeding pump. Under pump transfer power, there will be sufficient pressure pull drilling fluid swirl in cones body. Then solids will be separated out by centrifugal force. Theoretically, desilter will get rid of solids sized over 15 microns.

Desilter structure
Including fluid feed inlet, fluid discharge pipe, desilter cones, the support frame, bottom shaker or mud chute. The main parts including hydrocyclone, shaker screen, spring, screen motor, and so on.

There are thousands of manufacturer all over the globe manufacture solids control equipment. Desilter is one small part of such equipment.

Normaly working flow of hydrocyclone desander

A hydrocyclone device that removes large drill solids from the whole mud system. The desander should be located downstream of the shale shakers and degassers, but before the desilters or mud cleaners.

A volume of mud is pumped into the wide upper section of the hydrocylone at an angle roughly tangent to its circumference. As the mud flows around and gradually down the inside of the cone shape, solids are separated from the liquid by centrifugal forces.
Desander

The solids continue around and down until they exit the bottom of the hydrocyclone (along with small amounts of liquid) and are discarded. The cleaner and lighter density liquid mud travels up through a vortex in the center of the hydrocyclone, exits through piping at the top of the hydrocyclone and is then routed to the mud tanks and the next mud-cleaning device, usually a desilter.

Various size desander and desilter cones are functionally identical, with the size of the cone determining the size of particles the device removes from the mud system.

What functions of hydrocyclone in solid control system

Hydrocyclones are simple mechanical devices, with out moving parts, designed to speed up the settling process. Feed pressure is transformed into centrifugal force inside the cyclone or cone to accelerate particle settling in accordance with Stoke’s Law #1. In essence, a cyclone is a miniature settling pit which alloys very rapid settling of solids under controlled conditions.

hydrocyclone

Hydrocyclones have become important in solid control systems because of their ability to efficiently remove particles smaller than the finest mesh screens. They are also uncomplicated devices, which make them easy to use and maintain.

Design features of cyclones units vary widely according to the size. The cyclones are made of composite materials and hold up to wear quite well. The size of cyclones in use varies from 12” down to 2”. The measurement refers to the inside diameter of the largest, cylinders section of the cyclone. In general, but not always, the larger the cone, the larger the cut point and the greater the thru put. Refer to the figures below:

hydrocyclones

Hydrocyclones are another important line of defense in the battle against the removal of solids from your drilling fluid.

The double deck desilter unit used for drilling water site

The double deck shaker is usually a dual-function unit which can be used both as shale shaker and mud cleaner, the bottom shaker is taken as shale shaker to separate big solids, the best shaker is acted as desilter flow shaker. The double deck shaker with desilter is widely applied for the well drilling field.

double deck shaker

Double deck shaker with “desilter cone and founfation small tank

Fluids will firstly be pumped onto the bottom shaker, the shaker screen is small API number to separate the lar123ge particle from the fluid. Secondly, DC high effective centrifuge pump will transfer the fluid to desilter cone for second step process.

The top deck will handle the fluids from apex of de sander cone.. But the feeding type is very simple way in which can save the working space. Higher mesh shaker screen is applied on the shaker than de sander shaker. It is effective for the 250GMP and 350GPM capacity.

Besides abobve, the small unit includes a tank which is a base of the desilter and mixing material. To be as a professional manufacturer of mud equipment. DC Machiney can design all types mud system unit used for different areas, such as, oil& gas drilling, HDD, CBM, pilling project and ect.

 

Semi-finished Mud tank and desilter in DC Workshop

DC Solid control almost the production of the two mud tanks, mud hopper and desander equipment. The specification design equipment manufactured an American drilling company who are our new clients in OTC exhibition.

The requirements of the mud tank:

A Mud Tank is a container made from steel plate and steel tube with an open top for storing drilling fluids on a drilling rig. The small mud tank dimension, material and paint color all have specification request.

mud tank

The requirements of the mud desilter:

The desilter should has should be input pipeline, output line, bottom shaker, base frame, etc. Also there maybe without bottom shaker according to user’s demand. The technique specs should be from user’s requirement on treating capacity, actual operation environment, etc. Usually the desilter cone diameter is 4″. Presently, DC desilter mainly use PU material cones, and clamp type one. Furthermore, there can be desilter cone with bottom shale shaker or not.

desilter

Except oilfield desilter and tanks, DC Solid control can also supply oilfield drilling shale shaker,oilfield drilling decanter centrifuge, oilfield drilling mud desander, oilfield drilling mud cleaner, shaker screens and the complete set of various solids control systems.

 

Old-fashioned desander and desilter delivery from DC Solid control

Desander and desilter is widely used in mud cleaning system. Following the progress of the time and high requirements of users. The desander and desilter all make greats progress. But recent days, DC Solid control company got an order of 6 sets old-fashioned desander and desilter used for HDD industry.

Desander is installed on top of the mud tank following shale shaker and vacuum degasser, but before the desilter. Desilter is installed on top of the mud tank following Desander. They also can be installed completely: in this case, they are installed on one deck shaker and called mud cleaner or mud conditioner.

desander desilter

Desander removes the abrasive solids from drilling mud which cannot be removed by shale shakers. Normally the solids diameter for desander to be separated would be 45~74μm, and 15~44μm for desilter.

Both Desilters and Desanders are available in a large range of configurations including stand alone, over a shaker as a mud cleaner or packaged with a supply pump as a mobile desilting unit. Please contact DC Solid control office to discuss applications and appropriate technical specifications.

 

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