The factors that you shouldconsider when sizing a mud system are:

1)  Type of drill you will be using
2)  The drill rate
3)  The type of solids
4)  The length of your bore
5)  The GPM of the pump
6)  The tank volume you will need
7)  The number of cones
8)  The screen size
          * Oil & Gas Drilling Solids Control

          * HDD& CBM Drilling Mud Recycling

          * Drilling Waste Management

These factors are important to know so that you use a recycler that is adequateenough to clean the mud and protect the components on the rig, pump andcleaner. Once you have decided on the size of the mud system you need, there ismore information that you should be armed with:

Gallons per Minute: When deciding the size of a mud system that you will need,it is best to base it on 1 ½ to two times the amount you are pumping. Example:If you are pumping 250 gals, you would want to go with a 500-gpm unit.

Trailer or Skid: Depending on your requirements, mud systems can be trailermounted or skid mounted. Trailer-mounted units require dedicated trailer (builtto unit). Skid-mounted unit can be removed from trailer which releases thetrailer for other duties.

Screen surface: The more screen surface area you have means more volume thatyou can clean.

Screen selection: The mesh size of screens is measured by the number of holesper square inch on the screen. Different mesh sizes control the size of thecuttings that you remove. The same mesh size will not work in all drillingconditions. Sizes will vary depending on the size of the cuttings and the typeof formations you are cleaning.

Shakers: There are three types of shakers (orbital, elliptical and linear).Orbital is a circular motion and elliptical isn’t perfectly circular — it’s anellipse or oval. Linear has vibration that is induced by a pair of eccentric(or eccentrically weighted) shafts turning in opposite directions. This type ofarrangement allows for the development of straight line or linear motion thatcan also be produced in a positive (uphill) incline.
While each shaker has a specific place that it will shine like the price, theability to process heavy clays and rock or fines and ultra-fines, our overallpreference is the linear.

Cones: Depending on the size of the mud system you choose, the cone size willeither be 4, 5, 10 or 12 in. Each size cone has a micron cut point, which isthe size of the smallest particle that the cone can pull out. The 4- and 5-in.cones have a micron cut of 20 microns and the 10- and 12-in. have a 74 microncut.
Hydrocyclone cones process the liquid at a rate of 50 gpm with the 4-in. cones,80 gpm with the 5-in. and 500 gpm with the 10- or 12-in. cones.

Cones need pressure to work properly. A normal operating pressure range for 4-and 5-in. cones is 30 to 40 psi, 10- and 12-in. cones is 23 to 35 psi.

Trash Pump: Do you have a trash pump for your recycler? Trash pumps aredesigned to pump large amounts of water that contains hard and soft solids.Trash pumps are capable of processing materials that would clog othercentrifugal pumps and can move hundreds or even thousands of gallons perminute.

GN Vertical Cutting Dryer for Drilling Waste Management

The GN Vertical Cutting Dryer uses centrifugal force to dry drilled solids in oil or synthetic base fluids. A stainless steel screen bowl traps “wet” solids and accelerates them up 900RPM with G force up to 420. Liquid is forced through the screen bowl openings, while “dry” solids are extracted by the angled flights attached to the cone, which rotate slightly slower than the bowl. Tungsten carbide protects the flights from abrasive solids and ensures long operational life. This aids in maintaining a constant gap between the scroll and screen bowl, which is crucial for proper operation. GN cutting dryer has been done strict balance testing for all major rotary components to minimize vibration & noisy.It is the ideal products for oil based drilling waste management.

API Shale Shaker Screen

1)Pre-screening of the returned mud using GNZJ852 Mud Cleaner understream shaker.

Slurry feed to the buffer box of the shaker.This shale shaker can handle a throughput of 250 USgpm and is designed to remove particles down to (60mesh/80mesh).First Panel use screens of 60mesh/80mesh,second Panel fixed in front side of shaker using screens (150mesh/200mesh).Fluids with particles larger then 60mesh/80mesh removed goes to the 1# Shaker Compartment.

2)Secondary cleaning using GNZJ852 Mud Cleaner desilter cones

1# SB5x4-11Centrifugal pump feed mud from 1# Shaker compartment to feed de-silter cones, where the particles larger then 20 microns are separated out by centrifugal force from desiltr cone nipple, and get down to GNZJ852 mud cleaner bottom shaker second panel which fixed with a finer screen which again produces a virtually dry product. Overflow from the desilter cones with particle size less then 20microns goes to 2# De-silter compartment. This is the 2nd phase solids control.

3)Third cleaning using LW450x1000 Decanter Centrifuge

Submersible Slury Pump suck mud from 2# De-silter compartment and feed to LW450x1000 decanter centrifuge. where the particles larger then 5~7  microns are separated out by centrifugal force,cleaning fluids with particles less then 5~7 microns goes to 3# Mixing compartment. This is the 3^rd phase solids control.

4)Integral mixing system using SLH150-35 Jet Mud mixer.

This system allows fresh mud to be prepared very rapidly from bentonite powder. Second centrifugal pump on tank side is dedicated to this function allowing continuous mixing or recirculation as required. 

5)Integral charge pump to supply clean mud back to the drilling rig.

The mixing pump above is a dual function pump, on mixing pump outlet with a T pipe can be controlled by a valve to provide a continuous supply of clean mud from 3# mixing compartment under pressure to the high pressure mud pump, avoiding problems of starvation and cavitations which can rapidly cause damage.

As a trenchless drilling mud system manufacturer, GN has designed and manufactured many sets of complete mud cleaning/recycling system for trenchless drilling rigs, mainly used for horizontal directional drilling. Here we collect World’s top 5 trenchless drilling rig manufacturers list.

1 Vermeer (http://www2.vermeer.com/vermeer/AP/en/N/)

2Ditch Witch(http://www.ditchwitch.com/trenchless/directional-drills/)

3 American Auger(http://www.americanaugers.com/)

4 Astec Underground(http://www.astecunderground.com/)

5 Herrenknecht (http://www.herrenknecht.com/)

The drilling mud cleaning system are required in oil well drilling,horizontal drilling,the mud cleaning system fuction is for preparing clean mud for drilling rig.

HDD Drilling mud cleaning system

Generally,The mud cleaning system for removal of drill cuttings and recovery of drilling mud coming from an oil well, where the mud slurry may be made up essentially of barite particles having a specific gravity of 4.2 or more and a particle size mostly under 200 mesh, drill cuttings having a specific gravity of 2-3, and varying particle sizes ranging from 200 mesh to 1/2 inch or more, and water

Oilfeild Drilling mud cleaing system

In oil feild drilling, drilling mud must be supplied to the hole as the well depth progresses. One of the basic functions of drilling mud is to carry the drill cuttings up to the surface so they can be disposed of. A drilling mud in common use today is typically composed of barite and water. There may be other constituents, (such as oil) but they would exist only in small amounts or percentages. Since large quantities of drilling mud are needed in drilling an oil well, it is desirable to recover the barite, and recycle it. Various drilling mud cleaning systems are in use today for separating the drill cuttings from the slurry so that the fluid and/or barite can be recycled. Most systems use a combination of one or more screens or sieves in a series flow relationship, with a final separating step using a hydrocyclone or centrifuge. Hydrocyclones desander and decanting centrifuges are expensive pieces of equipment with high energy and maintenance costs.

VFD Decanter CentrifugeModel GLW-V355×1250N for separation of detrital material of drilling muds is widely used in solid control system for drilling mud to separate the solids phase of mud, remove harmful fine drill solids such as debris, etc. in the mud fluid, or recover weighting materials such as barite etc. so as to reduce the cost of mud fluid.The motors and the feed pump are controled by the control panel. Also the speed of the motor also bowl and scroll are also controlled by the panel.

GN Solids Control is professional in drilling fluid solids control equipments. Unlike other manufacturers, DN50 mud gun is designed by GN itself and can connect solids control systems together perfectly to make them a unified system.

The drilling mud solids separation system is one of the core part for drilling field. Here will introduce it's breif process for you .

Installation of all solids separation equipment

Firstly, start up the shaker box locking device of GNPS703balanced elliptical shale shaker & GNPJ703 mud cleaner(as its operation please refer to the related user manual) in Recycling Tank, and have a trying operation. All valves are on shut condition.Open it before usage,and ensure all of them unblocked.

Working process of drilling mud solids separation system

Start up GNPS703 shale shaker & GNPJ703 mud cleaner.

 ①start up the feeding pump (user owner) while they are working steadily, by this stage mud in the mud sump from the wellhead ,can be sent to the shale shaker GNPS703 for the first class purification.

② When the mud reaches to three quarters of the 1# compartment (about 5 minutes), start up the 1﹟SB6x5-12sand pump . mud will be sent to the desander cyclone from the 1﹟compartment, at a pressure of 0.20～0.35MPa , then ,the desander starts to work for the second class purification.

 ③the treated mud overflows to the 2﹟compartment. start 2﹟SB6x5-12 sand pump, mud will be send to desilter cyclone from 2﹟compartment at a pressure of 0.20～0.35MPa.the desilter starts to work for the third class purification. Mud from this stage overflow to 3﹟compartment of storage tank. Then the treated mud pumped to mud pump(user own) through feeding pump and connecting pipe.Mud pump will send mud to drilling head.
 The jet mud mixer can mix the mud in 3# compartment of the mud tank, while the pipelines need to be prepared in advance.Also this mixing pump can works as feeding pump for mud pump.

Please contact GN Solids Control freely

450 drilling rig solids control systemis a preparation and purification circulation system designed and manufactured by our company, specially for 450 truck-mounted drilling rigs.

Breif Introduction of 450 drilling rig solids control system
This user manual includes every single system processing instruction, system installation, operation, maintenance, and disassemblyl explanation of 450 drilling rig solids control system.This solids control system can classify drilling mud, and take charge of drilling mud preparation, weighting and mixing. This system includes the following solids control equipments: mud tank, mud distributor, shale shaker, desander and decanting centrifuge. Besides, mud agitating system, mud mixing system, mud gun manifolds, pure water supplying pipes, electric-gas control system and lighting system are concluded.  450 drilling rig solids control system adopts multifunction design. So it can meet the requirements of different well depth and different mud systems. Every system and process can work independently as well as work together.

Construction of 450 drilling rig solids control system

450 drilling rig solids control system is integrated with machine and electric control mud treating system (Fig 1, Solids control system layout of 450 drilling rig).This system mainly includes: ①mud purification tank ② suction tank ③ weighted tank. They are combined to be a mud circulation system. Link every tank and solids control equipments by manifolds to  form a whole drilling mud circulation system. Main equipments include: GNZS83-2 linear shale shaker, ZQJ250S desander, LW450×842N centrifuge，JBQ7.5KW agitator, SB sand pump, NJQ 50-3 mud gun, SLH 150-45 jet mud mixer, etc..

Please Contact GN Solids Control System freely

Mud gun types in GN
I. Divided by pressure. There will be high pressure and normal pressure
II. Divided by rotary type. There will be with manual rotary or fixed type
III. Divided by diameter. There will be 2″ (NJQ50) and 3″ (NJQ80)
IV. Divided by nozzle number. There will be single one and triple one, etc.
V. Divided by valves. There will be gate valve type and butterfly valve type.

Breif introduction on mud gun
The mud gun also can be called mud mixing gun. As we know it is usually used along with mud agitator as mixers for many kinds of drilling rig like HDD or CBM.The mud gun is consisted by main construction by steel pipe and flange, the valves (including high pressure or normal pressure), and the rotary parts.The mud gun is simple in design or structure. Usually all turning takes place on double rows of steel balls in flame hardened races. There is nothing to tighten or adjust. Flow is unrestricted and pressure drop is minimum
Mud gun spare parts
NJQ50 holds 2” diameter, and 2” valve can be butterfly or gate valve, then the connector size should be also 2”. The pressure can be normal pressure(0.6Mpa) or high pressure(1.6Mpa),the nozzle number will be customized as 3 or 1. And there will be rotation angle by manual rotation.

Please contact GN Solids Controlfor more equipment on drilling mud cleaning system