GN Solids Control is proud to announce the successful delivery of a complete 750HP Workover Rig Solids Control System to a well-known oilfield service company in China. This customized system is designed to ensure efficient drilling fluid recycling and waste minimization during workover and drilling operations, helping the client improve operational efficiency and meet environmental compliance standards.

The system is tailored to match the needs of a 750HP workover rig, comprising essential solids control equipment, including:
Mud Tank System:
The foundation of the setup is a high-strength, corrosion-resistant mud tank that serves as the base for all solids control processes. It is designed for optimal fluid management, providing compartments for different fluid stages, and integrating walkways and handrails for safety and accessibility.

Dual Shale Shakers GNZS594K:
The system features two GNZS594K linear motion shale shakers, known for their high G-force vibration and large screen area. These units effectively remove large solids from the drilling mud, extending the life of downstream equipment and reducing overall waste volumes.

Mud Cleaner GNZS594K-2S12NK:
Following the shale shakers, GN provides a GNZS594K-2S12NK mud cleaner, combining desander and desilter cyclones mounted over a shale shaker. This compact unit offers efficient three-stage solids control within a small footprint and is ideal for workover rig applications.

Decanter Centrifuge GNLW452D:
A GNLW452D medium-speed decanter centrifuge is used for the final stage of solids removal, targeting ultra-fine particles in the drilling fluids. With a bowl diameter of 18 inches and reliable VFD control, this centrifuge ensures precise and stable performance even under fluctuating mud conditions.

Auxiliary Equipment:
To support the system, GN has also provided high-performance centrifugal pumps, mud agitators, jet mud mixers (mud hopper), and a centralized electrical control system. These components are fully integrated into the tank layout, offering reliable operation and easy maintenance.

The entire system is manufactured in GN’s ISO-certified facility, adhering to strict quality control procedures and using internationally sourced key components for critical parts. GN’s expertise in solids control system integration allows the client to deploy the equipment with minimal on-site assembly and commissioning time.

This successful delivery further strengthens GN’s position as a trusted provider of complete solids control solutions for workover and drilling applications. GN Solids Control remains committed to supporting domestic and international clients with high-performance, cost-effective systems that improve drilling efficiency while protecting the environment.
For more information about GN’s solids control equipment, please feel free to contact us anytime.

The Offshore Technology Conference (OTC) 2025 held at the NRG Center in Houston once again served as a vital platform for global energy professionals to connect, collaborate, and explore advanced technologies. GN Solids America, a subsidiary of GN Solids Control, proudly showcased its latest innovations and solid control equipment at this prestigious event, reinforcing its growing presence in the North American market.

As one of the leading manufacturers of solids control and waste management equipment, GN Solids America drew considerable attention from visitors, including drilling contractors, service companies, and engineers focused on efficiency and environmental compliance. Our booth featured several flagship products that reflect our commitment to reliable, cost-effective, and high-performance solids control solutions.

Among the equipment showcased, the GNLW223D Decanter Centrifuge stood out as a highlight. With a 9-inch bowl diameter, this compact centrifuge is specifically designed for small-volume but high-precision separation applications. It is widely used in oil sludge treatment, core drilling fluid testing, and small-capacity dewatering projects. Capable of operating at speeds up to 4500 RPM, the GNLW223D delivers excellent separation performance in a small footprint, making it a perfect solution for labs, mobile units, or pilot projects.

In addition to the centrifuge, GN also featured its GNZS594 Shale Shaker, a four-panel vibrating screen with high G-force and robust structure. This shaker, combined with GN’s high-quality composite shaker screens, offers reliable and cost-effective primary solids control in drilling operations.

Another important system on display was the GNSP-10B Vacuum Pump, designed to handle high-viscosity sludge and drilling cuttings. Fully air-operated and explosion-proof, this pump is ideal for hazardous areas such as offshore platforms or refineries.

GN Solids America emphasized its localized support, with a Houston-based warehouse offering spare parts, equipment inventory, and technical service for North and South American clients. The positive feedback and interest received at OTC reaffirm GN’s commitment to delivering innovative, practical, and responsive solids control solutions globally.

We sincerely thank all the visitors, partners, and friends who stopped by the GN booth during OTC 2025 and look forward to building stronger collaborations in the future.

GN Solids Control has successfully delivered a complete set of mud treatment equipment—including a high-performance decanter centrifuge and centrifugal pumps—to an offshore drilling contractor. This delivery reflects GN’s commitment to supporting efficient and environmentally responsible drilling operations in the offshore oil & gas sector.

Offshore Projects Demand Reliable Mud Management
In offshore drilling, managing drilling mud is more than just a technical necessity—it directly impacts drilling efficiency, equipment integrity, and environmental safety. The high cost of fluid loss and the limited space and logistics offshore make closed-loop mud treatment systems a crucial component.
To help the client achieve these goals, GN Solids Control supplied a GNLW series decanter centrifuge along with several SB series centrifugal pumps designed for continuous-duty operation in marine environments.

GNLW Series Decanter Centrifuge: Compact Yet Powerful
The GN GNLW centrifuge excels in fine solids removal, especially for offshore applications where mud properties must be kept within tight parameters. With variable speed control and automatic operation, the centrifuge efficiently removes ultra-fine solids and recovers valuable barite, helping extend the life of drilling fluid and reduce environmental discharge.
Key technical advantages:
Adjustable bowl speed for flexible operations (up to 3200 RPM)
Wear protection for all critical components
Optional ATEX / IECEx explosion-proof controls
Skid-mounted design ideal for limited offshore space
This ensures compliance with offshore environmental regulations while improving drilling stability.

GN Centrifugal Pumps: The Workhorse of Fluid Transfer
The supplied GN SB series centrifugal pumps are built for reliability and performance. These pumps are essential in delivering mud to the centrifuge and recirculating processed fluid, maintaining consistent flow rates under pressure. Their rugged build and efficient hydraulic design reduce energy use and minimize downtime.
Pumps are available with:
Mission Magnum-style compatibility
Mechanical seal for leak-free operation
Compact layout and easy maintenance access
Explosion-proof motors for offshore safety
Together, the pump-centrifuge package creates a seamless mud treatment line, ensuring that the offshore operator achieves maximum solids removal with minimum manual intervention.

Supporting Sustainability and Performance Offshore
As the global oil industry places increasing emphasis on sustainability and environmental compliance, GN’s integrated solids control solutions offer a significant advantage. By improving solids removal, reducing waste volume, and enhancing fluid reuse, the systems of GN Solids Control contribute to greener, safer, and more cost-effective offshore operations.

This project showcases GN Solids Control’s ability to deliver tailor-made solutions for offshore clients, from equipment design and manufacturing to logistics and technical support.
GN Solids Control continues to serve offshore projects with innovative equipment that meets stringent standards and delivers performance in the most challenging environments.

At the 2025 China International Trenchless Technology Conference (ITTC), GN Solids Control made a powerful statement by presenting its most advanced slurry management solutions. The exhibition, a key event in Asia’s trenchless construction calendar, served as an ideal platform for GN to showcase how its technology is driving eco-conscious and efficient tunneling practices.

Sustainable Technology for Modern Infrastructure
With growing emphasis on reducing the environmental footprint of construction activities, GN Solids Control introduced two systems designed with sustainability at their core:
🔹 GNTBM-360B Slurry Separation System
This integrated solution is tailored for tunnel boring and pipe jacking operations. Equipped with the GNZS1536-2A double-deck shale shaker, it efficiently removes large and fine solids from bentonite slurry with vibration amplitudes adjustable from 4 to 8 mm. The system’s modular layout and high processing capacity ensure that drilling fluids are recovered and reused, minimizing fresh water usage and disposal volume.

🔹 GNLW632B Decanter Centrifuge
As part of the dewatering process, GN also displayed the GNLW632B, a large bowl centrifuge ideal for fine solids separation. The centrifuge plays a vital role in reducing slurry waste by extracting ultra-fine particles before the fluid is recycled or safely discharged. Its energy-efficient VFD drive system and wear-resistant build make it a reliable choice for long-term operations in demanding environments.

Eco-Efficiency Meets Field Practicality
Visitors at the GN booth were particularly drawn to the systems’ compact, containerized designs, which simplify onsite installation while reducing equipment footprint. These features are crucial for urban or restricted construction zones typical of trenchless projects. Furthermore, GN systems are engineered to operate continuously, helping contractors avoid costly downtime while staying aligned with local environmental regulations.

Partnering for Greener Infrastructure
GN Solids Control’s participation in ITTC 2025 emphasized more than just technology—it demonstrated a commitment to helping contractors achieve greener project outcomes. By enabling the reuse of drilling fluids and reducing solid waste, GN helps project owners not only meet but exceed environmental compliance standards.
From waste minimization to operational efficiency, GN’s slurry separation and dewatering solutions are transforming how trenchless construction is approached globally. As governments and private sectors prioritize sustainability, GN stands ready with the tools and expertise to support the next generation of underground infrastructure.

GN Solids Control has recently delivered two sets of container-type cuttings dryer systems to an overseas customer, reinforcing its global leadership in providing effective and environmentally friendly drilling waste management solutions. These systems are designed to process oil-based or synthetic-based drilling cuttings, recovering valuable drilling fluids and minimizing environmental impact.

Compact & Mobile Containerized Design
Each system is packaged within a standard container, ensuring easy transportation, quick on-site setup, and space-saving operation. The modular container layout simplifies field installation and offers protection from harsh outdoor environments, making it ideal for remote or offshore drilling locations.

Key Components of the System
🔹 Vertical Cuttings Dryer (GNCD930G-GP):
At the heart of the system is GN Solids Control industry-proven vertical cuttings dryer, model GNCD930G-GP. It uses centrifugal force to separate drilling fluids from the cuttings, significantly reducing oil on cuttings (OOC) to below 5%, meeting most environmental discharge standards.
🔹 Liquid Storage Tank (1.5 x 2 x 1.2m):
This compact-sized tank is used to collect and temporarily store the recovered fluids before being transferred for further treatment or reuse in drilling operations.
🔹 Screw Pump:
The screw pump is responsible for transferring recovered fluids from the liquid tank to the next stage of processing or back to the active mud system. The screw pumps of GN Solids Control are engineered for reliable operation with viscous and abrasive fluids.
🔹 Screw Conveyor:
The screw conveyor transports the discharged solid cuttings from the dryer outlet to a collection point or container for disposal. Built with wear-resistant components, it ensures continuous and efficient solids handling.

Environmental Compliance and Cost Reduction
By deploying GN Solids Control cuttings dryer systems, the client can significantly reduce the amount of waste disposed of while recovering expensive drilling fluids. This not only helps meet environmental regulations but also leads to considerable cost savings in waste handling and mud usage.

The delivery of these two containerized GN Solids Control cuttings dryer systems marks another milestone in GN Solids Control’s commitment to delivering high-performance, portable, and user-friendly waste management solutions for the global oil & gas industry. Whether onshore or offshore, GN continues to support drilling contractors with advanced technology that drives operational efficiency and environmental responsibility.

To learn more about GN Solids Control drilling waste management equipment, please feel free to contact us anytime.

As urban development and infrastructure projects continue to expand worldwide, efficient and environmentally responsible waste management becomes increasingly important. GN Solids Control has recently supplied a complete Modular Hydrovac Slurry Dewatering System to an overseas client engaged in urban excavation, aiming to transform hydrovac waste into reusable resources while ensuring compliance with environmental standards.

Modular Technology for a Cleaner Jobsite
Hydrovac excavation, while safer for underground utilities, generates large volumes of slurry consisting of water, soil and debris. Traditionally, this waste is transported to disposal sites—an approach that is costly, inefficient, and environmentally taxing. GN Solids Control‘s modular system provides an on-site solution that minimizes both waste volume and transport costs.

This advanced system includes:
GNLMP-1536 Coarse Screen Module: Captures large rocks and construction debris from the raw slurry stream.
GNZS596K Double Deck Shale Shaker: Offers fine screening on two levels, ideal for urban excavation fluid management.
GNZJ594J-8N Desilter Module: Removes finer sand and silt, protecting downstream components.
GNLW553D-VFD Decanter Centrifuge: Handles ultrafine particles with precision control, reclaiming water suitable for reuse.
20-ft Chemical Dosing Module: Enhances separation with accurate polymer dosing for improved flocculation.

Environmental and Operational Gains
By processing hydrovac slurry on-site, contractors can:
✅ Cut Down on Transportation and Disposal – Less slurry volume means fewer trips and lower costs.
✅ Recover Water for Reuse – Treated water can be reused for drilling or cleaning, promoting circular resource use.
✅ Meet Environmental Regulations – Clean effluent discharge ensures compliance with increasingly strict waste standards.
✅ Improve Jobsite Efficiency – Modular design enables rapid deployment and relocation between sites.

A Responsible Choice for Modern Cities
The modular system of GN Solids Control represents a significant step forward for urban contractors who seek both performance and sustainability. It not only meets the technical needs of hydrovac operations but also supports broader environmental and cost-efficiency goals.

GN Solids Control is proud to support clients worldwide with reliable, high-quality slurry separation solutions. From North America to Asia, our equipment helps modernize infrastructure projects through smart waste treatment.
For more information on GN’s slurry dewatering systems, Feel free to contact us anytime!

From March 26 to 28, 2025, GN Solids Control proudly exhibited at the 25th China International Petroleum & Petrochemical Technology and Equipment Exhibition (CIPPE) in Beijing. As one of the largest and most influential oil & gas exhibitions globally, CIPPE brought together leading industry players, and GN once again demonstrated its strength as a global provider of solids control and separation solutions.

A Strong Presence at Booth E2168
Throughout the three-day event, The Booth of GN E2168 attracted a wide range of visitors, including engineers, procurement specialists, and executives from both domestic and international companies. Our team engaged in fruitful discussions and presented customized solutions for clients from oil & gas, HDD, tunneling, mining, and environmental sectors.

Key Equipment Highlights
GN Solids Control showcased a comprehensive lineup of its latest technologies:
🔹 4th Generation Fully Hydraulic Decanter Centrifuge – Designed for high-viscosity, heavy-duty applications, receiving strong interest from drilling and waste management professionals.
🔹 New K Series Offshore Shale Shaker – Engineered for offshore platforms, this shaker impressed visitors with its compact design and efficient performance.
🔹 G Series 3-Phase Decanter Centrifuge – Ideal for oil sludge and oily waste separation, showcasing GN’s innovation in environmental protection.
🔹 Other Featured Equipment – Including the vertical cuttings dryer, high-speed decanter centrifuge, mud cleaner, vacuum pump, screw conveyor, and API-compliant shaker screens.

Positive Client Feedback and New Opportunities
The exhibition served as a valuable platform to connect with long-term partners and explore new business leads. Many visitors expressed strong interest in GN Solids Control modular system design and turnkey capabilities, particularly for international projects involving solids control, mud recycling, and waste treatment.
GN’s solutions not only meet technical requirements but also align with growing environmental standards and operational efficiency goals.

Looking Ahead
As GN Solids Control continues to expand its global footprint, events like CIPPE play a crucial role in showcasing our R&D achievements and building stronger relationships with our clients worldwide. We thank everyone who visited our booth and look forward to continuing conversations and cooperation in the months ahead.
For more information on GN’s full product line and project support, please feel free to contact us anytime.

GN Solids Control is proud to announce the successful delivery of three sets of GNTBM-360 Slurry Separation Plants for an overseas pipe jacking project. These advanced systems will play a critical role in ensuring efficient and environmentally friendly slurry treatment during the tunneling process.

Why Slurry Separation is Essential in Pipe Jacking?
Pipe jacking and micro-tunneling projects require precise and efficient slurry separation to ensure smooth operations. The drilling process generates large amounts of slurry mixed with water, clay, silt, sand and gravel. Without effective separation, excessive solids can hinder the drilling process, increase operational costs, and lead to environmental issues. GN Solids Control GNTBM-360 slurry separation system is designed to effectively treat and recycle the drilling fluid, reducing waste and optimizing performance.

Key Features of the GNTBM-360 Slurry Separation Plant
The GNTBM-360 is a high-performance and compact slurry separation system tailored for tunnel boring and pipe jacking projects.

Its key features include:
🔹 Multi-Stage Separation Process: The system integrates coarse screening, desanding, and desilting stages to efficiently remove unwanted solids from the slurry.
🔹 High-Capacity Processing: Designed for 360m³/h (1580 GPM) capacity, it effectively handles large volumes of slurry while maintaining high separation efficiency.
🔹 Advanced Shale Shaker & Hydrocyclones: The system is equipped with high-G force shale shakers for primary solids removal and hydrocyclones to further separate fine particles, ensuring a clean drilling fluid output.
🔹 Compact and Modular Design: The plant is designed to minimize footprint, making it ideal for confined pipe jacking sites. Its modular design allows easy transportation and quick assembly.
🔹 Durable and Reliable: Built with high-quality wear-resistant materials, the system ensures long operational life and minimal maintenance costs.

Project Impact and Benefits
By incorporating GN’s GNTBM-360 slurry separation plants, the overseas pipe jacking project will benefit from:
Efficient Slurry Management: Reduction of solids in drilling fluid enhances equipment longevity and improves overall performance. Environmental Compliance: Minimized disposal of contaminated slurry reduces environmental impact and ensures regulatory compliance.
Cost Savings: Recycled drilling fluid reduces new fluid costs, minimizing project expenses.
Operational Stability: Reliable solids control ensures smooth pipe jacking operations without delays.

The deployment of three GNTBM-360 Slurry Separation Plants marks another milestone for GN Solids Control in the tunneling and micro-tunneling industry. With a strong reputation for providing cutting-edge slurry treatment solutions, GN continues to support global infrastructure projects by delivering efficient, cost-effective, and eco-friendly solids control technologies.

For more information about GN Slurry Separation Systems, please feel free to contact us directly for customized solutions for your next tunneling or pipe jacking project!

GN Solids Control has successfully delivered a drilling mud recycling unit and hydraulic centrifuge system to an overseas client, further solidifying our expertise in mud treatment and solids-liquid separation. These systems are designed to enhance drilling efficiency, reduce environmental impact, and optimize resource utilization.

500GPM HDD Mud Recycling System
One of the key units in this shipment is a 500GPM HDD (Horizontal Directional Drilling) mud recycling system, which is essential for non-excavation drilling projects. This system plays a crucial role in removing drill cuttings and maintaining the quality of drilling fluid, ensuring smooth operations. The system includes:

🔹 Shale Shaker – The first phase of solids control, efficiently removing larger drill cuttings from the mud.
🔹 Mud Cleaner – A combination of a desander and desilter, which removes finer particles to maintain optimal mud properties.
This compact and efficient system enables contractors to recycle and reuse drilling fluid, reducing waste disposal costs and minimizing environmental footprint.

Hydraulic Decanter Centrifuge for Core Drilling
Another significant part of this shipment is the GNLW223D-FHD hydraulic decanter centrifuge, specifically designed for mineral exploration and core drilling applications. Unlike traditional electrical-driven centrifuges, this model operates using a hydraulic drive system, making it highly suitable for remote drilling sites with limited power supply.

Key Features of GNLW223D-FHD:
🔹Compact size – Ideal for small-scale drilling operations.
🔹Hydraulic drive system – Ensures smooth operation even in off-grid locations.
🔹High separation efficiency – Capable of removing ultra-fine solids, improving mud quality and performance.
🔹Rugged design – Built to withstand harsh drilling conditions.
By utilizing GN’s cutting-edge separation technology, drilling companies can achieve higher efficiency, reduced mud loss, and lower maintenance costs.

Why Choose Hydraulic Drive Centrifuges for Core Drilling?
🔹 Suitable for remote drilling locations – Unlike electrically driven centrifuges, the hydraulic system operates without the need for a large power supply, making it ideal for field applications.
🔹 Highly efficient separation – Removes ultra-fine solids, ensuring better drilling fluid performance.
🔹 Compact and durable – The small footprint makes it easy to transport and install on-site, while its robust design withstands harsh drilling conditions.
With this technology allows mining and exploration companies to maintain high mud quality, prevent equipment damage, and reduce the need for excessive mud disposal, making it a game-changer in remote drilling applications.

This successful delivery of a 500GPM HDD mud recycling unit and a hydraulic centrifuge for core drilling showcases GN Solids Control’s commitment to providing high-performance, customized solutions for global clients. Our comprehensive range of solids control and waste management equipment is designed to meet the diverse needs of the drilling industry.

GN Solids Control has successfully provided a 3000HP Drilling Rig Solids Control System to an Asia-based drilling company, offering a highly efficient solution for drilling fluid management. This system is designed to optimize the drilling process by removing harmful solids, maintaining mud properties, and reducing waste disposal costs. With a well-integrated tank system and advanced solids control equipment, it ensures smooth and continuous drilling operations.

Comprehensive Tank System for Efficient Fluid Management
This solids control system consists of multiple specialized tanks, each serving a crucial role in drilling fluid circulation and treatment:
Supply Tank: Ensures a continuous flow of drilling fluids to maintain proper wellbore stability.
Shaker Tank: The first-stage processing unit where large drilling cuttings are separated.
Intermediate Tank & Mud Storage Tank: These tanks store and condition mud for reuse, minimizing waste.
Water Tank & Chemical Dosing Tank: Provide water and additives for mud conditioning, enhancing drilling efficiency.

Advanced Solids Control Equipment
To ensure effective separation and treatment of drilling fluids, the system is equipped with:
Shale Shakers: The primary separation equipment that removes large solid particles from the mud.
Vacuum Degasser: Removes gas bubbles from the drilling fluid, preventing pump cavitation and improving mud performance.
Mud Cleaner: A combination of desander, desilter, and bottom shaker that removes finer solids.
Centrifugal Pumps: Provides stable pressure to transfer drilling fluids between different treatment units.
Mixing Hopper & Agitators: Helps in proper blending of drilling chemicals to maintain optimal mud properties.
Mud Gas Separator: Ensures gas-free drilling fluid, enhancing safety and efficiency.

Optimizing Drilling Performance
By integrating efficient separation, recycling, and conditioning technologies, this 3000HP drilling rig solids control system improves drilling fluid quality, reduces operational downtime, and minimizes environmental impact. GN Solids Control remains committed to delivering high-performance, cost-effective solutions to support drilling projects worldwide.
For more information about our solids control systems, feel free to contact us!