GN Solids Control has successfully delivered a complete solids control system for a 1500HP drilling rig to a client in the Middle East. The system is designed to provide efficient drilling mud treatment, ensuring reliable operation even under the region’s harsh, high-temperature desert conditions.

The package includes three shale shakers GNZS594K, one mud cleaner GNZS594K-2S12NK, one vacuum degasser GNZCQ270, and two decanter centrifuges GNLW363D. Together, they form a complete multi-stage separation system for drilling mud purification.

The shale shakers act as the first defense, removing large drill cuttings and protecting downstream equipment. The mud cleaner combines desander and desilter functions to separate fine solids effectively. The vacuum degasser eliminates gas bubbles, maintaining stable mud density. Finally, the decanter centrifuges perform precision separation and fluid recovery, improving mud quality and reducing waste volume.

Beyond solids control systems for oil and gas drilling, GN also provides a wide range of waste management equipment, including vertical cutting dryers, oil sludge treatment systems, and slurry vacuum pumps, as well as industry decanter centrifuges with 9–30 inch bowl sizes. GN’s mud systems serve multiple applications—HDD, TBM, CBM, geothermal, and water well drilling—making the company a trusted global supplier of turnkey fluid management solutions.

With a strong presence in Saudi Arabia, UAE, and Oman, GN continues to support Middle East drilling contractors with reliable, modular, and field-proven solids control equipment that ensures cleaner mud and lower operational costs.

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In underground construction, Trenchless technology and Vacuum Excavation are two widely used yet very different approaches. While both are designed to minimize surface disruption, they serve different project needs.

Trenchless methods, such as Horizontal Directional Drilling (HDD), are ideal for creating underground passages for pipelines or cables without the need for open trenches. They typically handle large fluid volumes and require complete mud recycling systems to ensure efficient drilling. Equipment such as desanders, desilters, and high-performance centrifuges play a central role in processing drilling fluids.

Vacuum Excavation, on the other hand, is widely applied in utility exposure, daylighting, and sensitive soil removal. Its systems manage smaller flow rates, but the screening process often requires larger surface areas to efficiently separate solids from the slurry. This makes it more focused on precision and safety rather than volume.

Recently, GN Solids Control delivered a complete Vacuum Excavation mud treatment system for a U.S. client. The package included a coarse screening module, fine screening module, desander module, and a large-bowl decanter centrifuge. With nearly two decades of experience, GN continues to expand its solutions to meet diverse client requirements across both trenchless and vacuum excavation industries.

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16 Sets of Decanter Centrifuge and Vertical Cuttings Dryer Delivered to Overseas Oilfield Service Company

GN Solids Control has recently completed the delivery of 16 sets of drilling mud Decanter Centrifuge and 16 sets of Vertical Cutting Dryer for an overseas oilfield service company. This package is designed to provide a complete solution for drilling fluid recovery and drilling waste management on the rig site.

Each decanter centrifuge package includes:

• A high-performance Decanter Centrifuge for fine solids separation.

• A customized lifting frame for easy installation and maintenance.

• A screw pump for feeding to the centrifuge, ensuring stable and continuous operation.

Each vertical cuttings dryer package includes:

• A durable Vertical Cutting Dryer for efficient drilling cuttings drying.

• A customized supporting frame to fit the client’s on-site layout.

• A reliable washing screw pump to reduce screen blinding.

• A customized discharge system for safe and convenient solids handling.

The combination of centrifuges and dryers provides operators with a highly effective solution for managing drilling mud and cuttings. The Decanter Centrifuge reduces the fine solids content in drilling fluids, improving drilling efficiency and protecting downstream equipment. Meanwhile, the Vertical Cutting Dryer minimizes oil content in cuttings, helping the operator reduce waste volume and meet environmental discharge regulations.

GN Solids Control has rich experience in supplying complete packages to global clients. All equipment is designed for tough field conditions, easy transportation, and convenient maintenance. With flexible customization options such as skid-mounted systems, tailored discharge systems, and special supporting frames, GN ensures that every project meets the specific requirements of the end user.

This large delivery once again demonstrates GN’s capability to provide turnkey solids control and waste management solutions for international oilfield projects.

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• Decanter Centrifuge

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GN Solids Control is pleased to announce the successful delivery of a GNLW364-VFD sludge dewatering centrifuge to an overseas environmental protection company. This shipment once again demonstrates GN’s capability to provide advanced solid-liquid separation equipment that meets the growing global demand for efficient sludge treatment and wastewater management.

Meeting the Need for Efficient Sludge Dewatering

Across the world, municipalities and industrial operators are under pressure to manage sludge more effectively. Increasing environmental regulations and higher disposal costs make reliable dewatering technologies essential. Decanter centrifuges have become the preferred solution for many projects, thanks to their ability to reduce sludge volume, recover clean water, and minimize overall operating costs.

By supplying the GNLW364-VFD centrifuge to an international client, GN continues to expand its global footprint in the environmental sector and supports sustainable waste management initiatives.

Product Overview: GNLW364-VFD Decanter Centrifuge

The GNLW364-VFD centrifuge is designed as part of GN’s 14-inch bowl series, but it features a longer bowl compared with the standard GNLW363 model. The bowl measures 360 mm in diameter and nearly 1.52 meters in length, which significantly increases the separation area and improves the dryness of discharged solids. This makes it particularly well-suited for demanding sludge dewatering applications.

Key Technical Highlights

Instead of presenting figures in a table format, the performance of the GNLW364-VFD can be summarized in practical terms:

• The centrifuge can process up to 55 cubic meters of slurry per hour at peak load, while typical operations average about 35 cubic meters per hour.

• Its bowl reaches speeds close to 4,000 revolutions per minute, creating a centrifugal force of more than 3,200 G. This ensures the efficient removal of fine particles in the 2–5 micron range.

• Operators can adjust the differential speed between the bowl and the screw conveyor from 0 up to 65 RPM, offering great flexibility for different sludge types.

• Power is delivered by a main motor ranging from 22 to 37 kW, supported by a 7.5 to 11 kW back drive motor. A 7.5 kW feed pump is recommended for stable material feeding.

This intelligent combination of power, speed, and adjustability allows the GNLW364-VFD to perform efficiently under various sludge conditions, making it a versatile piece of equipment for wastewater and environmental treatment.

Built for Durability and Reliability

To ensure long service life, the centrifuge is manufactured with a duplex stainless steel bowl that is centrifugally cast for maximum strength. Wear parts such as the conveyor are protected with tungsten carbide tiles, while the feed zone and discharge areas are fitted with replaceable inserts. Tungsten carbide plows continuously clear solids from the discharge outlet, preventing material buildup.

All rotating components are supported by SKF premium bearings, well known for reliability and extended service life. Together, these features reduce downtime and minimize maintenance costs for operators.

Typical Applications

The GNLW364-VFD centrifuge is widely applicable across several industries, including:

• Municipal wastewater treatment plants, where it reduces sludge volume and disposal costs.

• Industrial wastewater treatment, separating solids, water, and oil in complex effluents.

• Drilling mud recycling, enabling the recovery of valuable drilling fluids and reducing waste.

• Environmental remediation projects, handling contaminated soil, sediments, and slurry streams.

GN’s Global Commitment

GN Solids Control has supplied separation equipment to more than 80 countries worldwide. Each delivery strengthens GN’s reputation for innovation, quality manufacturing, and customer service. The shipment of this GNLW364-VFD unit reinforces GN’s commitment to supporting international clients with reliable and cost-effective sludge treatment technologies.

By continuously developing its centrifuge product line, GN provides clients with flexible solutions tailored to their operational needs. The company’s focus on material selection, precision engineering, and advanced controls ensures dependable performance even in the most challenging environments.

Conclusion

The recent delivery of the GNLW364-VFD sludge dewatering centrifuge to an overseas environmental protection company marks another step forward for GN Solids Control in the global environmental market. With its extended bowl, variable frequency drive system, and durable construction, the unit is engineered to deliver superior separation results, reduced sludge volumes, and lower operational costs.

GN will continue to support industries worldwide with comprehensive solid-liquid separation solutions, helping customers achieve both economic efficiency and environmental sustainability.

 

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