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GN Solids Control has recently completed the delivery of two sets of GNMS-500K Mud Recycling Systems and three GNLW364GT Decanter Centrifuges for an international customer focused on efficient and environmentally conscious drilling operations. This project underlines GN’s commitment to sustainable solids control solutions that not only enhance drilling performance but also reduce environmental impact and operational costs.

A Commitment to Cleaner Drilling Practices
In today’s oilfield and infrastructure development environments, sustainability and compliance with environmental regulations are top priorities. Drilling operations, especially in urban or environmentally sensitive zones, require closed-loop systems that can minimize fluid loss and solid waste discharge. GN’s GNMS-500K system is engineered specifically for this need.
This 500GPM capacity unit features an integrated double-layer shale shaker and desander combination, effectively removing solids from the drilling mud before recirculating the cleaned fluid. By recycling the drilling fluids on-site, contractors significantly reduce their need to purchase and dispose of mud—making operations more cost-effective and eco-friendly.

Supporting Ultra-Fine Separation with GNLW364GT Centrifuges
To further refine the mud treatment process, GN has supplied three GNLW364GT decanter centrifuges, ideal for high-precision solid-liquid separation. These 14-inch bowl centrifuges are capable of removing fine solids down to 2-5 microns, ensuring the drilling fluids maintain the optimal rheological properties required for consistent and safe drilling.
Designed for continuous duty, the GNLW364GT features variable frequency drives (VFDs), tungsten carbide wear protection, and a robust construction suitable for remote or offshore applications. It significantly contributes to reducing mud dilution, which in turn limits chemical usage and disposal volume.

Environmental and Financial Advantages
By integrating GN’s modular systems into their operation, the client will achieve:
Lower drilling fluid consumption through continuous recycling
Decreased environmental footprint via reduced waste discharge
Longer equipment life due to fewer solids in fluid circulation
Cost-effective operations with minimal downtime and maintenance

These benefits align with global drilling trends where sustainability, safety, and efficiency drive decision-making. GN’s equipment is compliant with international standards (API, ISO) and backed by extensive field experience across the Middle East, Asia, and the Americas.

Learn more about GN Solids Control full product portfolio, feel free to contact and explore how we can support your project’s environmental and performance goals.

GN Separation has recently delivered a GNLW364 decanter centrifuge to an environmental services company overseas. This specific model is widely recognized for its effectiveness in sludge dewatering and wastewater treatment applications, particularly in industrial and municipal projects where efficiency and reliability are essential.

Advanced Features for Enhanced Performance

The GNLW364 unit is designed with performance and durability in mind. It is equipped with a 3-frequency conversion control cabinet, allowing independent adjustment of the bowl speed, scroll speed, and feed rate. This level of control ensures optimal separation performance depending on the characteristics of the sludge being processed.

In addition to the flexible VFD control, the unit also comes with temperature and vibration sensors, which are crucial for monitoring operating conditions in real time. These sensors help detect anomalies such as bearing overheating or mechanical imbalance, improving safety and minimizing downtime due to unexpected failures.

Application in Environmental Projects

This model is especially suitable for:

• Sludge dewatering from industrial and municipal wastewater
• Oil sludge treatment
• Environmental remediation projects
• Drilling waste management

By providing efficient solid-liquid separation, the GNLW364 supports environmental companies in reducing waste volume, improving water quality for discharge or reuse, and meeting increasingly strict environmental regulations.

Global Support and Customization

GN Separation provides global after-sales support and offers customized equipment configurations to meet specific requirements. In this project, the centrifuge was adapted to the client’s operational needs, ensuring easy integration into their existing treatment system.

With its proven performance and robust design, the GNLW364 continues to be a trusted choice for international environmental companies looking for effective sludge treatment solutions.

 

GN Solids Control recently completed a customized delivery of solids vacuum pumps for an Africa-based oilfield service company, demonstrating GN’s strong capability to provide application-specific solutions for global clients operating in harsh environments.

The client faced a recurring challenge: how to efficiently transfer drilling waste and oil sludge across long distances in remote oilfields where power supply is limited or hazardous conditions prevail. After technical discussions and a comprehensive analysis of the project environment, GN proposed its air-operated GNSP series vacuum pumps as the ideal solution.

Unlike traditional mechanical or electrical pumps, GN’s solids vacuum pumps are fully pneumatic, requiring only an air source to operate. This makes them ATEX safe, explosion-proof by design, and perfect for Zone 1 and Zone 2 hazardous areas. The pumps are capable of moving viscous, abrasive, or sludge-like materials with up to 80% solids content — a key requirement for the customer’s needs.

The delivery included multiple units of GNSP-20B and GNSP-40B, each engineered with:
High vacuum capability (up to 85Kpa)
Long horizontal transfer distance (up to 1000m)
Max particle size handling up to 75mm
Wear-resistant internal structure for durability

To ensure successful commissioning and long-term reliability, GN provided pre-delivery performance testing, operation manuals, and remote technical support. The project also involved training the customer’s field engineers to operate and maintain the pumps effectively.

This order further solidifies GN’s presence in the African oilfield service sector, where demand for low-maintenance and high-efficiency transfer systems continues to grow. GN has previously delivered full solids control systems, centrifuges, and cuttings dryers to clients in Nigeria, Egypt, Kenya, and Algeria, building long-term trust with its localized support and robust product performance.

As global energy operations shift toward safer and cleaner waste management, GN remains committed to delivering smart, rugged, and compliant solutions tailored to each customer’s operational goals.

For more information about GN Solids Control vacuum pumps and waste transfer solutions, please feel free to contact us anytime!

GN Solids Control has once again proven its strong capabilities in integrated project delivery by completing a full solids control system package for a 2000HP drilling rig, tailored for a long-term partner in the Indian oilfield services sector. This marks another milestone in GN’s expanding presence across South Asia and reflects the growing trust in GN’s engineering and manufacturing strength.

This system was designed to ensure maximum efficiency and reliability for challenging onshore drilling conditions. From fluid recovery to solids separation and mixing, the package is a complete solution. It features a GNZYQ1200A liquid-gas separator that protects the system from hazardous gas influxes, ensuring a safe and steady start to the fluid circulation process.

To handle primary solids separation, three high-G shale shakers (GNZS594K) were deployed, providing consistent performance with adjustable vibration and a large screen area for better cuttings removal. Following the shakers, a GNZCQ360 vacuum degasser removes trapped gases in the mud to stabilize density and improve downstream equipment performance.

A major highlight of the package is the GNZJ594K-2S12N mud cleaner, which combines desander and desilter cyclones over a single shaker deck to achieve fine solids removal. This multifunctional equipment reduces system footprint while improving separation efficiency, an ideal solution for high-end drilling operations.

Supporting this process are nine centrifugal pumps, selected for their interchangeability with Mission models and strong track record in durability. These pumps transfer fluids between equipment while maintaining high flow rates. The system includes ten mud tanks for various stages of the drilling process, designed and fabricated in-house by GN.

To maintain uniform mud properties and prevent solids settling, nineteen mud agitators and seventeen mud guns were installed throughout the tank system. Additionally, two jet mixing hoppers help operators quickly prepare or condition drilling fluids, providing greater flexibility and operational control.

All equipment is powered and monitored via a centralized electrical control system, ensuring safe and efficient operation across the entire rig-up.

By delivering this high-standard solids control system, GN Solids Control continues to strengthen its collaboration with Indian drilling contractors, offering not only premium equipment but also reliable engineering support and after-sales service. GN is proud to be part of the effort to improve drilling efficiency and reduce environmental impact across the region.

For more info on GN’s turnkey solutions, please feel free to contact us anytime.

GN Solids Control has successfully commissioned a fully integrated 1000HP Drilling Rig Mud Tank System for a prominent oilfield operator in Yunnan Province, China. This deployment reinforces GN’s reputation as a trusted partner for turnkey drilling fluids systems that offer not only robust performance but also seamless field operation.

In today’s challenging drilling environments, reliability and integration are key. GN’s engineered system meets this need with a comprehensive setup designed to improve solids control efficiency, reduce non-productive time, and enhance HSE compliance.

Fully Integrated Mud Tank System
The system is composed of four functional mud tanks, each tailored for distinct purposes such as active mud circulation, mixing, and storage. Together, they form the operational backbone of the rig site’s fluid management strategy.

Core Equipment Supplied:
3 × GNZS594K Shale Shakers
Equipped with GN’s patented screen technology and robust dual-motor drive, these shakers provide high G-force linear motion to quickly separate large solids from drilling fluids. Their efficiency is critical to preventing formation damage and reducing wear on downstream equipment.
GNZCQ270 Vacuum Degasser
Removing entrained gases from the mud, this unit safeguards against gas-cut drilling fluid that could destabilize well conditions.
GNZJ752K-2S Desander & GNZJ752K-12N Desilter
This dual-stage hydrocyclone solution offers precise separation of sand and silt-sized particles. The integration with mini shakers underneath ensures dried discharge and continuous operation.
GNLW452D Decanter Centrifuge
Positioned as the final stage of solids removal, this medium-speed centrifuge efficiently handles low-gravity solids and recovers barite, keeping mud weight and rheology in optimal condition.
Auxiliary Equipment
The system also includes mud agitators, centrifugal sand pumps, a mud mixing funnel, and an explosion-proof electrical control system, ensuring safe and efficient fluid recirculation and mixing.

Field-Proven, Operator-Trusted
Designed for 24/7 drilling operations, GN’s equipment is engineered to minimize downtime and maintenance. All components were tested on-site under real drilling conditions by GN’s field engineers, ensuring they met both technical specifications and customer expectations.

This project highlights the value of working with a single integrated supplier. GN Solids Control not only manufactures each component in-house but also provides system design, commissioning, and long-term technical support. This one-stop solution saves time, reduces procurement complexity, and ensures total system compatibility.

GN continues to partner with oilfield service companies and operators around the world to deliver modular, efficient, and reliable mud systems. Whether it’s for onshore, offshore, or remote environments, GN’s solutions are field-tested and backed by a global support network.

Interested in learning more about GN’s drilling fluids systems? Feel free to contact us and explore our product line for a customized proposal.

In response to the increasing demand for efficient and adaptable solids control systems in workover operations, GN Solids Control has successfully provided a fully customized solution to a major oilfield service company in China. This delivery demonstrates GN’s capabilities in designing and manufacturing complete systems tailored to specific rig requirements — in this case, for a 750HP workover rig.

The delivered system comprises a comprehensive set of solids control equipment and support components that ensure continuous fluid processing during rig operations:
Custom Mud Tank System
At the core of the solution is a specially fabricated mud tank with designated compartments for solids removal, mud mixing, and clean fluid storage. Designed to endure tough oilfield conditions, the tank also serves as the structural base for all solids control units and includes full electrical integration.

Dual GNZS594K Shale Shakers
To meet the processing demands of the workover rig, GN supplied two units of its GNZS594K linear motion shale shakers. These are high-capacity shakers equipped with durable composite screens and a high G-force vibration mechanism, ensuring fast removal of coarse solids from drilling fluids.

GNZS594K-2S12NK Mud Cleaner
To enhance separation efficiency, the system integrates a compact mud cleaner that combines 2 desander cones and 12 desilter cones over the same shaker model. This configuration delivers efficient multi-stage separation, crucial for maintaining the quality of re-used mud.

GNLW452D Medium-Speed Decanter Centrifuge
The centrifuge plays a vital role in fine solids removal. GN’s GNLW452D is engineered with precision balancing and VFD control, allowing operators to adjust bowl speed for optimal performance. It efficiently removes silt and fine particles, maintaining the integrity of the drilling fluid system.

Supporting Equipment
The package is rounded out with GN-manufactured centrifugal pumps, mud agitators, mud hoppers, and a complete electrical control unit. These auxiliary systems are essential for consistent mud circulation, chemical mixing, and reliable system control.

GN Solids Control’s engineering team worked closely with the client to ensure every detail — from layout to component sizing — aligned with field needs. By offering both standard modules and fully customized packages, GN reinforces its position as a flexible and responsive solids control equipment provider.

This project reflects GN’s commitment to delivering not just equipment, but solutions — engineered to increase efficiency, reduce downtime, and ensure environmental compliance in oilfield operations.
For more details on GN’s rig-ready systems, please feel free to contact us anytime.

At the Offshore Technology Conference (OTC) 2025 in Houston, GN Solids America once again proved its commitment to providing field-ready solutions for the oil & gas and environmental sectors. The company’s booth attracted significant attention from operators, service providers, and environmental consultants looking for compact, reliable, and cost-effective separation equipment.

A major highlight at the booth was the GNLW223D Decanter Centrifuge, a compact 9-inch unit tailored for projects where space and capacity are limited but performance cannot be compromised. Whether it’s for small-scale tank cleaning, offshore pilot projects, or core drilling fluid recycling, the GNLW223D offers impressive dewatering and clarification capabilities. With a bowl speed up to 4500 RPM and VFD control, users can fine-tune operations for maximum efficiency.

GN also showcased its GNSP-10B vacuum pump, designed to transfer drilling waste, oil sludge, or tank bottom residue over long distances—without using electricity. The pump’s air-driven, explosion-proof design makes it ideal for hazardous zone operations, such as offshore platforms or remote oilfields. Its simple yet durable construction ensures minimal maintenance and reliable performance in the toughest conditions.

The GNZS series shale shaker, displayed alongside, caught the eye of many mud engineers and drilling supervisors. Known for its high G-force linear motion and composite screens, it offers effective primary solids control to protect downstream equipment and extend fluid life.

What resonated most with visitors was GN Solids America’s practical approach: modular designs, real inventory in Houston, and responsive service backed by engineering expertise from GN’s global team. Many customers appreciated the ability to scale up from lab-sized units like GNLW223D to full systems for large oilfield or environmental projects.

Our team was excited to meet with clients from the U.S., Latin America, Canada, and beyond, many of whom were looking for local support, fast delivery, and a trustworthy partner in solids control. GN Solids America’s Houston warehouse, technical service team, and inventory of spare parts make us uniquely positioned to serve these needs with minimal lead time.

Participating in OTC 2025 not only strengthened our brand visibility but also provided valuable feedback from end users and industry experts. It reaffirmed our mission to keep innovating and to support our partners in the oil & gas, mining, construction, and environmental sectors.

We extend our gratitude to everyone who visited our booth and shared their insights and requirements. The GN team looks forward to continuing these conversations and building successful partnerships in the months ahead.

For more information about our products and services in North and South America, please feel free to contact us in anytime.

GN Separation has successfully completed the manufacturing and factory testing of 8 sets of stack vibrating screens, which are now ready for shipment to a domestic client specializing in mineral processing.

These vibrating screen units are part of GN’s stacked design series, engineered to deliver higher screening efficiency in a smaller footprint. Each unit is composed of multiple screen decks stacked vertically, significantly increasing capacity while maintaining compact equipment dimensions — ideal for facilities where space optimization is a key requirement.

Key Features of GN Stack Vibrating Screens:
• Multi-deck design: 2 to 5 screen layers to increase processing capacity
• Compact footprint: ideal for limited installation spaces
• High G-force linear motion: improves fine particle separation
• Modular design: easy maintenance and part replacement
• Sturdy carbon steel structure: designed for heavy-duty industrial applications

These units will be used in a mineral classification process that requires precise cut points and minimal downtime. The stack design allows simultaneous processing of multiple material sizes, reducing the need for additional screening equipment and minimizing energy consumption.
Before shipment, each vibrating screen passed a comprehensive quality check, including:
• Structural integrity inspection
• Motor alignment and vibration test
• Screen mesh tensioning validation
• Control panel functionality test
The client has worked with GN Separation on previous projects and has opted again for GN due to the equipment’s high durability, stable performance, and short delivery times. Additionally, GN provided detailed installation drawings, operating manuals, and offers remote technical support for the commissioning phase.

These stack vibrating screens are just one example of how GN continues to support its clients with customized, reliable separation solutions across industries such as mining, metallurgy, and chemical processing.

For more information on GN vibrating screens and other separation equipment, feel free to contact our technical team or visit our website.

GN Solids Control continues to strengthen its reputation as a reliable provider of solids control and fluid management equipment by delivering a complete package of drilling mud decanter centrifuge and centrifugal pumps to a prominent offshore drilling company.

This latest delivery highlights GN’s ability to meet the demanding requirements of offshore drilling operations, where space, reliability, and performance are crucial. The equipment supplied will play a key role in managing and treating drilling fluids, ensuring higher efficiency, environmental compliance, and reduced operational downtime.

High-Performance Decanter Centrifuge
At the center of this package is GN’s advanced GNLW series decanter centrifuge, which is widely used in oilfield drilling mud systems for solids-liquid separation. Designed with a high-speed rotating bowl and precision-balanced components, this centrifuge efficiently separates fine solids from drilling fluids, helping operators maintain optimal mud properties.
Key features include:
Bowl speed up to 3200 RPM (depending on model)
Wear-resistant tungsten carbide tiles for scroll protection
Continuous and automatic operation
Suitable for barite recovery and ultra-fine solids removal
GN centrifuges are built with offshore conditions in mind, offering robust structural design, corrosion-resistant coatings, and customizable control panels that meet explosion-proof requirements (ATEX/IECEx available).

Reliable Centrifugal Pumps
In addition to the centrifuge, GN also provided several GN SB series centrifugal pumps, which serve as essential mud transfer pumps for offshore platforms. These pumps are designed to handle abrasive and corrosive drilling fluids with high efficiency and durability.
Highlights of GN centrifugal pumps:
Fully interchangeable with Mission Magnum-style pumps
Mechanical seal and gland packing options
Compact skid-mounted design for offshore environments
High flow rates and low maintenance requirements
The pumps will be used for feeding the centrifuge, transferring drilling mud between tanks, and supporting the overall fluid circulation system onboard.

Supporting Offshore Operational Excellence
Offshore drilling requires equipment that can perform consistently under harsh environmental conditions. GN’s integrated solution of centrifuge and centrifugal pumps ensures effective solids control, which helps reduce fluid loss, protect downhole tools, and minimize waste disposal volume.
By working closely with the offshore drilling contractor, GN customized the equipment configuration, ensuring it fits within the platform’s space and meets all technical and safety standards.

With more than a decade of experience in solids control, GN Solids Control is a global manufacturer of high-quality separation equipment for oil & gas, trenchless, and environmental industries. GN offers a full range of equipment including shale shakers, mud cleaners, decanter centrifuges, cuttings dryers, vacuum pumps, and chemical dosing systems.

For more details about GN’s offshore solutions, please feel free to contact us!

GN Solids Control proudly participated in the 2025 China International Trenchless Technology Conference (ITTC), a premier exhibition that brought together industry leaders, innovators, and professionals from the global trenchless construction sector. Held in China, ITTC 2025 served as an excellent platform for GN to demonstrate its cutting-edge technologies for slurry management and solid-liquid separation—critical components in modern tunnel boring and pipe jacking projects.

Highlighting GN’s Flagship Equipment
At the event, GN Solids Control showcased two of its most advanced systems:
🔹 GNTBM-360B Slurry Separation Plant
This system is specifically engineered for tunnel boring machine (TBM) operations, providing efficient and continuous slurry treatment. It is equipped with GN’s high-performance GNZS1536-2A double-deck shale shaker, known for its robust design and enhanced screening capabilities. The shaker offers an adjustable vibration amplitude of 4–8 mm, allowing flexible operation across varying soil and slurry conditions. The GNTBM-360B is capable of processing up to 360 m³/h of slurry, ensuring smooth, uninterrupted support for TBM operations while reducing environmental impact through slurry recycling.

🔹 GNLW632B Large Bowl Decanter Centrifuge
Also displayed at the exhibition was the GNLW632B, GN’s heavy-duty decanter centrifuge designed for dewatering and fine solids separation. With a bowl diameter of 18 inches and high-speed rotational capability, this centrifuge is ideal for removing ultra-fine solids in trenchless and tunneling applications. It supports the final dewatering stage after primary screening, providing cleaner water for reuse or discharge and minimizing waste volume. Built with wear-resistant components and VFD (Variable Frequency Drive) control, the GNLW632B offers long-lasting, adaptable performance even in harsh working environments.

Driving Innovation in Trenchless Technology
GN Solids Control’s solutions are engineered to improve the efficiency, reliability, and sustainability of trenchless construction projects. By integrating multi-stage separation—from coarse screening to high-speed centrifugation—GN systems reduce slurry treatment time, cut fluid losses, and lower disposal costs.
At ITTC 2025, GN’s experts engaged with numerous engineers, project managers, and equipment suppliers, discussing customized solutions tailored to their regional and operational needs. Visitors appreciated GN’s compact and modular system designs, which allow for flexible site layout and quick deployment.

Commitment to the Global Trenchless Market
Participation in ITTC 2025 reaffirmed GN Solids Control’s commitment to serving the trenchless and tunneling industries with dependable, high-performance equipment. With ongoing projects across Asia, the Middle East, Europe, and North America, GN continues to expand its international presence through innovation, quality, and customer-focused service.

To learn more about GN’s TBM slurry separation and dewatering systems, feel free to contact us right now!