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Nov 30

Mud transfering centrifugal pump in GN’s product line range from 20~320m3 by flow. This centrifugal pump is designed to handle abrasive, viscous and corrosive fluids in drilling or industrial slurry applications. Comparing with conventional pumps, GN’s centrifugal pump has an exceptional performance by large volume, high temperature capabilities and easer to maintenance.

GN Mud Transfering Centrifugal Pump

Centrifugal Pump Structure and Parameters

With outlet 2″-6″, GN’s centrifugal pump has a head capacity range from 12m to 62m. It could be working well in the tempreture span of 100℃(-40℃~60℃).
Strong and thick pump housing design of ring runner shape to eliminate the turbulence and cavitation within the pump housing. The small distance between the impeller and the housing to be the same at all points as the centrifugal design.
In order to reduce the turbulence, lower radial and thrust loads, and provides a smooth flow of fluid through the pump, the impeller is designed for open-vane. Aslo thie design allow fluid leaving the impeller to blend with recirculating fluid to reduce abrasive wear of the casing. By using O-type oil seal to protect the no exposed shaft threads, the lifetime of the pump largely extended.
Worth to mention is that all GN centrifugal pump is using mechnical seal. All metal parts are made of 316 stainless steel. Elastic part are manufactured from viton. Both rotating and stationary seal faces are tungsten carbide.

Centrifugal Pump Functions

For drilling application, GN centrifugal pump could be used for mud transfering, mud mixing and shearing operations, desanding and deislting, degassing, supercharging, centrifugal feed, mud cooling tower and wash down.

In solids control system, GN’s centrifugal pump has below applications:

  • Mud transfering  By locating the centrifugal pump on the mud tank skid, the drilling mud could be transferred from tank shaker compartment to the Mud Cleaner for treatment by hydrocyclone.
  • Mud Mixing   Combined with a venturi type hopper,  the centrifugal pump could be used to shear the bentonite powders and mix the new clean drilling mud.
  • Charging pump   Connected with the mud pump unit, centrifugal pump could transfer the clean mud to mud pump, then from mud pump back to the drill rig.

Besides the mud transfering pump, GN could also offer slurry pump, mono pump for Decanter Centrifuge, and shearing pump for shearing large drilling fluids chemical particles. For more information about GN mud transfering centrifugal pump, please leave a message or contact with us.

written by GN Desander Desilter \\ tags: , , , , , , , , , ,

Oct 14

Utilized by many HDD contractors for many years, drilling fluids recycling systems have found favor with the mid-size rig contractors and are even being used with some mini-rigs. Just as special care is taken in selection of drilling rigs, drill stem, bits and reamers, the same care should be taken in selecting drilling fluids recycling system.

HDD Rig Driiling Fluids Recycling System

Principals of Drilling Fluids Recycling Operation

During HDD projects, drilling fluid from the wellbore is pumped from the mud pit into a primary or scalping shaker, where larger drill cuttings are removed. The fluid then drops into the mud tank compartment where it is recovered and pumped into hydrocyclones for removal of finer solids. some systems will discharge the hydroclone underflow slurry over ultra fine screens for additional fluids recovery. The hydrocyclone overflow (clean liquid), is discharged into a clean compartment and is ready for reuse or conditioning. Discharging hydrocyclone underflow slurry over ultra-fine screens is an very good solution to make the solids discharge much drier, and more fluid is recovered. This requires a high performance shaker with a large screen area.

How to Select the Drilling Fluids Recycling System for your HDD rig

Drilling fluids recycling system should include mixing system with a venture-style jet mixing hopper and a charge pump to send positive pressure feed back to the rig’s mud pump. Adequate tank volume is important, but treating capacity of the system is even more important. A recycling system should be capable of processing at least one and a half times the maximum capacity of the rig’s mud pump. This is usually determined by the size and number of hydrocylones the unit has.
For safety purpose, handrails and stairways are necessities for workers constantly climbing up and down the recycling system.

GN Solid Control, a 5-years old manufacturer for HDD rig drilling fluids recycling system, has already exported her recycling system to more than 50 countries. Standard and customized design recycling system would meet your vary requirements. It is the time to take your phone to contact with us if any request aroused from your side.

written by GN Desander Desilter \\ tags: , , , , , , ,

Aug 16

GN Solids Control could offer the complete oilfied drilling mud tank system for drilling project.

Once our customer from Iraq gave us order for  5 sets complete mud tank system each with 7 mud tanks, due to customer’s project postponed there, we only shipped 2 sets,  the balance 3 sets now is for sale with 30% discount.

The specification for the Mud Tank system below:




Mud Tanks

7x400BBL Mud Tank for one set

3 sets total capacity=8400BBL


Including Shaker Tank, suction tank, storage tanks, mixing tanks completed with agitators, mud guns, centrifugal pumps.

With Coverage roof for Sun and Rain protection

This is optional for buyers.

Solids Control

3x Linear Motion Shale Shaker

Derrick FLC2000 or GNZS703 Model

1xVacuum Degasser

Derrick 1200 or GNCQ270

1xMud Cleaner with 3x10inch desander and 16x4inch desilter, underflow linear motion shaker

Derrick FLC2000 or GNZJ703-3S16N

2xDecanter Centrifuge

Derrick DE1000 Or GNLW363


The configuration for above is flexible,you can choose not of have centrifuge or degasser or less shakers etc.

It is really a good chance for the buyers come to check and discuss.

GN Linear Motion Shale Shaker on Mud Tank

 We have already sold one same system to the China Largest Oil Rig manufacturer SJ Petroleum a Sinopec company for PDVSA Project In Venezuela.


If you have interests, please feel free to contact with us. Send email to: [email protected]gnsolidscontrol.com or leave a message under this blog.

written by GN Desander Desilter \\ tags: , , , , , , , , , , ,

Jul 28

Hundreds of mud agitator and mud gun would be manufactured and sold to the customer in GN’s  annual sales. If you know solids control, you will know that mud agitator and mud gun are the most popular equipments in the drilling mud mixing system.

GN Mud Agitator Motor & Gear Box

In one mud mixing system, always there are mud agitator, mud gun, mixing pump and a Ventri hopper. While the mud agitator and mud gun often come out together, the quantity of mud agitator and mud gun always the same inner the mixing tank.

Mud agitator contains motor, gear box and the rotating shaft which attached with blade. The rotating shaft and blade are the fluids touching parts of the mud agitator, by rotating the shaft, the blade will stir the drilling mud to prevent the sedimentation, thus the drilling mud will be proportion uniformly transfered to reuse. According to the inner dimension of the tank, the length of the shaft and the diameter of the blade would be made accordingly. It will be better to design an stabilizer for the shaft when the shaft length over 1.8m.

Mud Agitator Bottom Tank Stabilizer

One function of the Mud gun is the same with mud agitator, the drilling mud sprayed from the mud gun nozzle will stir the drilling mud everywhere of the tank conner. Powered by the mixing pump, mud gun also play the role to transfer the weighted mud to each tank compartment so that the recycling would be a reality. GN new design mud gun is of elegant appearance with 3 polyurethane nozzles which make sure the long life of the mud gun.

GN New Design Mud Gun

Besides the mud mixing system, mud agitator and mud gun also would be used in drilling mud storage tank, functioned to prevent the drilling mud sedimentation. Though not the most important equipments in the mud system, mud agitator and mud gun are the indispensable devices. Any request, welcome contact with GN team for more information.

written by GN Desander Desilter \\ tags: , , , , , , ,

Jun 22

Horizontal directional drilling rig are widely used in oil and gas industry and municipal construction of  trenchless projects such as pipe laying. Offering the top quality HDD mud system is a mission of GN Solisds Control, that is why GN know much about China horizontal directional drilling rig manufacturer. Below is a list for China HDD rig manufacturer, hope could offer you some help in finding the best rig supplier for you.

GN 1000GPM HDD Mud System

Vermeer China is oversea development branch company of Vermeer American. With its machines being used in more than 60 countries, Vermeer involved himself into agriculture, construction,minging, waste material disposal and other industries. Vermeer China located its production base in Beijing and opened offices in Beijing, Guangzhou, Shanghai to offer service for China Customers. In order to protect the benefit in different countries and detect the machine, each of their machine was installed remote monitoring system.

Huanghai designs and produces machinery for geological exploration, coalbed methane gas technology, engineering foundation pile drilling technology and trenchless pipeline laying technology. Regarding the trenchless technology, Huanghai could offer FDP series Horizontal Directional Drilling rig with pullback force from 150KN to 10450KN.

  • Shanghai Goodeng Construction Machinery Manufacturing Co., Ltd (Goodeng)

As a leader of trenchless industry, Goodeng owned its headquater in Shanghai, and established its production base in Jiangsu. With 8 years experience in trenchless industry, Goodeng HDD rigs have eatablished exploits in the project of China gas transporting from west to east, Middle Asia gas pipe laying and China & Burma oil pipe laying.

  • Drillto No-Dig Machinery Co., Ltd (ZT)

Drillto was established as a private company in year of 1999. However, they have started designing HDD machine since 1994. As one of the earliest Horizontal Directional Drilling rig manufacturer in China, Drillto could offer the drilling rig with pullback force from 120KN to 5000KN.

  • DW/TXS Construction Equipment (Beijing)Co., Ltd

DW/TXS was a joint venture between US-based The Charles Machine Works, Inc and Tu Xing Sun No-Dig Tech (Beijing)Co., Ltd. Their DDW series HDD rig’s pullback force range from 100KN to 6000KN.

  • Hunan Changgao Yipin Heavy Machinery Co., Ltd. (YIPIN)

Originally known as Hunan Yipin Heavy Machinery Co., Ltd., Changgao Group is one of China’s largest listed companies manufactures various types of YP Series trenchless horizontal directional pipe laying drilling machines range from 20T to 600T.

  •  Xuzhou Xugong Foundation Construction Machinery Co., Ltd (XCMG)

XCMG for your success. XCMG is a famous brand for construction machinery in the world. With the rapidly development of trenchless in China, XCMG also launched its own XZ series Horizontal Directional Drilling rig of pullback force from 100KN to 3000KN.

  • Jiangsu Yukin Machinery Manufacturing Co., Ltd (YUKIN)

Jiangsu Yukin Machinery Manufacturing Co., Ltd. was founded on February, 2008, as a wholly owned subsidiary of Jiangsu Gaochun Ceramics Co., Ltd. Relying on the technology research and development force, it is specialized in manufacturing and sales of trenchless equipments, YQ series HDD rig is their main products.

  • Jiangsu Dilong Heavy Machinery Co., Ltd (DILONG)

Nanjing Dilong Trenchless Engineering Co., Ltd. is one of the earliest companies specializing in the R&D of trenchless technology, as a member of ISTT and CSTT, Dilong has 4 series (DFM, DF, DL and DDL) or more than 10 varieties of products varying from 4t miniature to 400t large-scale drilling machines to meet customers’ different functions.

  • Institute of Exploration Techniques, CAGS (Duo-di GBS)

Affiliated with Institute of Exploration of Techniques, CAGS, Trenchless Tecnnology R&D Center is a constant director of both CSTT and ISTT. Meanwhile, CSTT training center is also located at the R&D center. Early in 1993, it firstly developed the trenchless pipelaying technology in China. Its main HDD rig is GBS series with pullback force from 100KN to 3200KN.

GREAT is young company incorporated by Liuzhou Gurui machinery and Guangxi Guorui Heavy Equipment. Starting in 2011, Great has design and produced GR90 series Horizontal Directional Drilling rig with Pullback force from 180KN to 1540KN.

Many of GN’s customer coming to us for mud system also inquire us about the supplier for Horizontal Directional Drilling rig. GN feel obliged to introduce the better quality supplier for our customer. As a result, some HDD project contractor instructed the rig manufacturer to obtain mud system and make a package for rig, then sell to them together. During the process of offering help to others, GN also get much from it. If any request for HDD mud system, welcome contact with us in any time.

written by GN Desander Desilter \\ tags: , , , , , , , , , , ,

Jun 15

GN shale shaker is one of the main equipments in GN’s products line. It is widely used in all GN mud recycling systems for oil drilling and HDD. As a spare part of shale shaker, the shaker screen determines the shale shaker performance to some extend.

Wedge block to fasten the shaker screen

GN shale shaker screen is installed and removed by fastening and loosen the polyurethane wedge block. Fixing one pc screen need 2 pcs wedge blocks on either side of the shaker deck. The wedge block is wedged into the slot produced by a piece welded angle stell.
When replace the shaker screen, just need loosen the wedge blocks. It is bery easy and time saving which greatly increase the working efficience.

GN Shaker Rubber Gaskets for Screen Protection


Rubber gaskets to protect the shaker screen

When operating the shale shaker, the high G vibration force produced by the vibration motor also make the screen shake up and down. In order to reduce the shakeing force functioned on the screen, we stick rubber strip on the screen frame. Besides this, GN Shale shaker also has the screen supporting steel beam according the screen frame as well as the rubber gaskets on the shaker deck. All above has greatly increase the impact resistance of the shaker screen and extended the screen life.

The above mentioned shale shaker screen installation design features all source from our customer’s feedback, that is why GN could keep growing and win more and more trust from customer. If you want to learn more about GN Solids Control equipments, welcome contact with us.

written by GN Desander Desilter \\ tags: , , , , , , , ,

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