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We’re excited to share the recent shipment of high-performance solids control equipment to a valued overseas client!

Key Equipment Supplied:

2 Sets of GNMS-500K Mud Recycling Systems:

Processing Capacity: 120 m³/h (500 GPM) – ideal for demanding drilling fluid volumes.

Cutting Point: Efficiently removes solids down to 25 microns.

Integrated Design: Each system includes a GNZS754K-Y8N Desander as a core component.

Compact & Economical: Designed as GN’s Economy Mud Recycling System, offering excellent performance and value in a space-efficient footprint. This design prioritizes operational efficiency and cost-effectiveness without compromising essential separation capabilities.

3 Units of GNLW364GT Decanter Centrifuges:

Large Capacity Bowl: Features a substantial 14-inch (360mm) diameter bowl，significantly enhancing separation efficiency and dewatering performance compared to shorter bowls.

High-Speed Operation: Capable of reaching speeds up to 3964 RPM, generating the high G-forces critical for fine solids separation and maximum drying of discharged solids.

Premium Construction: Utilizes a centrifugally cast duplex stainless steel bowl for exceptional strength, corrosion resistance, and longevity. Critical wear parts are protected with tungsten carbide linings, ensuring extended service life in abrasive drilling environments.

This equipment combination provides a comprehensive solution for managing drilling fluid (mud) on their rig sites:

The GNMS-500K mud recycling systems efficiently process large volumes of mud, removing detrimental fine solids (down to 25 microns) to maintain fluid properties, reduce dilution costs, and minimize waste volumes.

The GNLW364GT decanter centrifuges deliver high-performance fine solids separation and dewatering. Their robust design (high L/D ratio, high RPM, premium materials) ensures reliable operation and maximized solids control efficiency, crucial for challenging drilling conditions and maximizing the life of the active mud system.

This shipment represents GN’s dedication to delivering technologically advanced, durable, and cost-effective solids control solutions to drilling operations worldwide. We are proud to support our international clients in achieving their operational goals with superior equipment.

The demanding environments of African oilfields require robust, reliable, and efficient equipment, especially for handling challenging materials like drilling mud, sludge, and solids-laden waste. We are pleased to announce the supply of a batch of specialized Sludge Vacuum Pumps (also known as Solids Transfer Pumps) specifically designed to meet these rigorous needs.

What is a Sludge Vacuum Pump?

This advanced pneumatic vacuum pump is engineered for the tough job of transferring liquids, slurries, and – critically – dry solids. It stands out as a High Vacuum Loading Solids Transfer Pump, making it uniquely suited for harsh oilfield conditions where performance and minimal downtime are paramount.

Key Advantages for African Oilfield Operations:

High Vacuum Performance: Excels at loading and transferring difficult materials, including sticky sludge and dry solids.

Exceptional Solids Handling: Capable of transferring materials with high specific gravity and high density. Crucially, it handles slurries with solids content up to an impressive 80%.

Rugged & Reliable: Built to perform consistently in tough environments, minimizing operational disruptions.

Low Maintenance: Designed for simplicity and durability, reducing service requirements and operational costs – a vital factor in remote locations.

Versatile Transfer: Efficiently moves liquids, viscous slurries, and dry bulk solids using the power of vacuum.

Why This Pump is Ideal for Oilfield Sludge & Solids:

Traditional pumps often struggle with the abrasive, dense, and highly solid-laden materials common in oilfield waste streams (like tank bottoms, pit cleaning, and drill cuttings). The GNSP series Solids Vacuum Pump overcomes these challenges:

Handles High Solids Content: The ability to pump slurries with up to 80% solids content is a game-changer for efficient waste transfer and tank cleaning.

Dry Solids Capability: Easily transfers dry bulk materials like bentonite, barite, or dried drill cuttings.

Vacuum Loading: Simplifies the process of picking up material directly from sumps, tanks, or pits without complex priming systems.

Pneumatic Operation: Safe for use in potentially hazardous environments (no electric motors sparking) and requires only compressed air.

Reduced Clogging: Designed to minimize blockages when handling challenging solids mixtures.

This supply of GNSP series Solids Vacuum Pumps provides our African oilfield service client with a powerful, reliable, and low-maintenance solution for their critical sludge and solids transfer operations. By choosing this high-vacuum technology, they are equipping their teams to handle the toughest materials efficiently, ensuring smoother operations, reduced downtime, and lower maintenance burdens in the challenging African oilfield environment.

We are proud to announce the successful customization and delivery of Two Sets GN Container-Type Cuttings Dryer Systems for an overseas client, designed to optimize drilling waste management and enhance environmental compliance. This integrated system combines advanced technology, robust performance, and modular portability, making it ideal for oil and gas drilling operations. Below, we break down the key components and features of this cutting-edge solution.

1. GNCD930G-GP Vertical Cuttings Dryer
At the core of the system lies the GNCD930G-GP, a single-stage, continuous-operation horizontal scraper discharge centrifuge from the GNCD Series. This vertical cuttings dryer is engineered to efficiently recover oil-based components from drilling cuttings, reducing the Oil-on-Cuttings (OOC) content to below 5% post-treatment.

Processing Capacity: 30–50 tons per hour (up to 50 tons/hr for GNCD930G-GP).

Versatility: Compatible with oil-based mud (OBM), synthetic-based mud (SBM), and composite-based mud.

Adaptability: Performance correlates with mud viscosity, which is influenced by factors such as solid content, particle size, drilling fluid type, and temperature.

Safety Certifications: Offers multiple explosion-proof certifications, including ExdIIBt4, IECEx, and ATEX, ensuring safe operation in hazardous environments.

This dryer works seamlessly alongside other solids control equipment (e.g., shale shakers, decanter centrifuges, hydrocyclones) to deliver a comprehensive waste management solution.

2. Liquid Storage Tank (1.5m x 2m x 1.2m)
The system includes a durable 1.5m x 2m x 1.2m liquid storage tank for temporary containment of recovered drilling fluids. This tank ensures efficient fluid recycling and minimizes waste, supporting sustainable operations.

3. Progressive Cavity Pump
A high-performance screw pump (progressive cavity pump) is integrated into the system to ensure smooth transfer of drilling mud and cuttings. Its wear-resistant design guarantees reliability in handling viscous or abrasive fluids.

4. Containerized Design
The entire system is housed within a standardized shipping container, enabling easy transportation, rapid deplo  yment, and minimal on-site installation. This modular design is ideal for remote or offshore drilling sites.

5. Screw Conveyor
An automated spiral conveyor efficiently transports dried cuttings to designated disposal or storage areas, reducing manual handling and streamlining workflows.

Why Choose the GN Container-Type Cuttings Dryer System?

Eco-Friendly: Reduces OOC to <5%, meeting stringent environmental regulations.

High Efficiency: Processes up to 50 tons/hr, minimizing downtime.

Global Compliance: Certified for explosion-proof safety and international standards.

Plug-and-Play: Pre-assembled, containerized units save time and labor costs.

Asia Drilling Company has bolstered its drilling fluid management capabilities with the purchase of advanced decanter centrifuges from GN Solids Control. The order includes the following models:

2 Sets GNLW363D-VFD Decanter Centrifuges:

These units feature a 14-inch (360mm) diameter bowl with a length-to-diameter ratio of 3.5:1, capable of operating at speeds up to 4000 RPM.

Designed for maximum durability and extended service life between overhauls, the GNLW363D-VFD decanter centrifuge incorporates a centrifugally cast duplex stainless steel bowl and tungsten carbide hardened tiles protecting the solids conveyor.

Critical wear areas are further protected with replaceable tungsten carbide inserts at both the feed distribution and solids discharge zones. Tungsten Carbide plows continuously clear the solids discharge area.

1 Set GNLW453D-VFD Decanter Centrifuge:

This larger 18-inch (450mm) diameter bowl centrifuge offers operational flexibility with a choice of length-to-diameter ratios (3.4:1 or 4:1), enabling efficient removal of low gravity solids from drilling fluids. Powered by a 75hp main drive and a 30hp auxiliary motor, the GNLW453D-VFD decanter centrifuge can be optionally equipped with main bearing temperature and vibration sensors for enhanced safety and performance monitoring.

The GN decanter centrifuges, particularly featuring hardened tungsten carbide components in critical wear zones, are expected to provide Asia Drilling Company with reliable solids control performance.

GN Solids Control has successfully delivered a comprehensive 2000HP drilling rig solids control system to a leading Indian drilling company. This advanced system enhances drilling efficiency and safety with state-of-the-art components engineered for demanding oilfield operations.

Key Components & Capabilities:
Mud Gas Separator (GNZYQ1200A)

Quantity: 1 unit

Essential safety equipment for displacing gas-invaded drilling fluid. Prevents hazardous deviations in mud density/viscosity and mitigates kick/blowout risks.

Shale Shakers (GNZS594K)

Quantity: 3 units

Primary solids control with 7.5G max G-force and 140 m³/hour processing capacity. Dual 1.94KW motors ensure efficient cuttings removal.

Vacuum Degasser (GNZCQ360)

Quantity: 1 unit

Rapidly removes entrained gases to restore mud density. Doubles as a high-power agitator for operational versatility.

Mud Cleaner (GNZJ594K-2S12N)

Quantity: 1 unit

Compact 3-in-1 unit integrating desander, desilter, and bottom-shale shaker for secondary/tertiary solids control.

Centrifugal Pumps (GNSB Series)

Quantity: 9 units

Mechanically sealed pumps with wear-resistant alloy construction. Transfer slurry to separation equipment (centrifuges/filters) and serve as mixing/charging pumps.

Mud Tanks & Auxiliary Equipment

Mud Tanks: 10 units

Mud Agitators (GNJBQ Series): 19 units

Gear-reducer models maintain uniform mud consistency and suspend solids.

Mud Guns: 17 units

Jet Mud Mixing Hopper (GN Series): 2 units

Venturi-jet design adjusts mud density/viscosity during mixing/weighting.

Electrical Control System

Quantity: 1 set

Centralized control for automated operations.

Operational Impact
This turnkey solution provides the Indian operator with enhanced safety, reduced downtime, and lower operational costs. The Mud Gas Separator and vacuum degasser synergistically manage gas influxes, while the centrifugal pumps ensure reliable fluid transfer across the system.

1000HP drilling rig mud tank system has been successfully commissioned in Yunnan Province, marking a significant milestone in regional oil and gas drilling operations. The system, designed to enhance drilling efficiency and environmental safety, features advanced solid control equipment and integrated solutions tailored for high-performance mud circulation.

Core Components of the Mud Tank System

The newly commissioned system includes:

4 mud tanks for optimized fluid storage and circulation.

3 GNZS594K drilling fluid shale shakers: These single-layer shale shakers are widely used in oil and gas drilling and large-scale trenchless drilling projects. Capable of handling high-volume mud systems, they ensure efficient separation of cuttings and contaminants.

1 GNZCQ270 vacuum degasser: This specialized device rapidly removes gas infiltrations from drilling fluid, restoring mud density and stabilizing its properties. It also doubles as a high-power agitator, compatible with various mud circulation and purification systems.

1 GNZJ752K-2S desander: Serving as secondary solid control equipment, this 10″/12″ hydrocyclone system removes 47–76μm solid particles from drilling fluid.

1 GNZJ752K-12N desilter: A tertiary solid control unit utilizing 4″/5″ hydrocyclones to eliminate finer 15–47μm solids.

1 GNLW452D medium-speed decanter centrifuge: A horizontal decanter centrifuge with a 3.4:1 or 4:1 length-to-diameter ratio, designed to separate solids from lightweight mud at low operational costs. Equipped with dual motors (75hp main and 30hp auxiliary), it offers compact construction and optional safety features such as main bearing temperature and vibration sensors.

Supporting equipment: Mud Agitators, sand pumps,mud mixing hoppers, and an integrated electrical control system.

Technical Highlights of Key Equipment
1. GNZS594K Shale Shakers
As the primary solid control stage, these robust shakers ensure high-capacity screening for drilling fluid, critical for maintaining fluid integrity and reducing downstream equipment wear.

2. GNZCQ270 Vacuum Degasser
By creating negative pressure, this device efficiently extracts entrapped gases, preventing well-control risks while doubling as a powerful mixer to homogenize mud composition.

3. Desander & Desilter Systems
The hydrocyclone-based desander (secondary stage) and desilter (tertiary stage) work synergistically to remove progressively finer solids, ensuring optimal fluid cleanliness for drilling operations.

4. GNLW452D Decanter Centrifuge
This advanced centrifuge enhances solids separation efficiency, particularly in challenging environments. Its dual-motor design and optional sensors significantly enhance safety and operational monitoring capabilities.

Significance of the Project
The successful commissioning of this 1000HP mud tank system underscores Yunnan Province’s growing role in China’s energy sector. By integrating cutting-edge solid control technologies, the system not only improves drilling efficiency but also aligns with stringent environmental standards by minimizing waste and optimizing fluid reuse.

The project exemplifies the industry’s shift toward smarter, safer, and more sustainable drilling practices. With its robust design and multifunctional components, the system is poised to support complex drilling operations across diverse geological conditions in Yunnan and beyond.

GN Solids Control has successfully delivered and commissioned a high-performance 750HP workover rig solids control system for China Oilfield Service Company . The system, designed to enhance drilling efficiency and environmental safety, features state-of-the-art technologies to optimize solids removal and ensure smooth operations in demanding oilfield environments.

Key Components of the System

1. Mud Tank System
The system includes a robust mud tank engineered to store and circulate drilling fluids efficiently. Its modular design ensures easy integration with other solids control equipment while maintaining a compact footprint.

2. GNZS594K Shale Shakers (2 Units)
At the core of the primary solids control stage are two GNZS594K linear motion shale shakers. Renowned for their high processing capacity and adaptability, these shakers are widely used in oil and gas drilling, large-scale HDD (horizontal directional drilling), and industrial separation applications. The GNZS594K series supports customizable motion trajectories (linear or elliptical) and can be upgraded to a negative pressure shale shaker configuration upon request, further enhancing separation efficiency for complex drilling conditions.

3. GNZS594K-2S12NK Mud Cleaner
The secondary and tertiary solids control stages are powered by the GNZS594K-2S12NK mud cleaner, a compact yet powerful unit integrating desander and desilter hydrocyclones with an integrated vibrating screen. This multi-functional device efficiently removes fine solids (15-44 microns) while minimizing space requirements, making it an ideal choice for mid-to-high-density mud systems.

4. GNLW452D Medium-Speed Decanter Centrifuge
For advanced solids separation, the system incorporates the GNLW452D decanter centrifuge. With a bowl length-to-diameter ratio of 3.4:1 or 4:1, this dual-motor-driven unit (75HP main motor + 30HP back-drive motor) delivers cost-effective removal of fine particles from lightweight drilling fluids. Enhanced safety and operational monitoring are enabled through optional features such as main bearing temperature sensors and vibration sensors.

5. Auxiliary Components
The complete package is supported by critical ancillary equipment including sand pumps, agitators, mud hoppers, and an advanced electrical control system, ensuring seamless coordination across all stages of the solids control process.

System Advantages
High Efficiency: Multi-stage solids removal maximizes drilling fluid reuse and reduces waste.

Compact Design: Optimized layout minimizes rig footprint without compromising performance.

Customization: Flexible configurations (e.g., motion trajectory, sensor integration) adapt to diverse operational needs.

Reliability: Heavy-duty construction ensures durability in harsh drilling environments.

GN Solids America,  marked a successful conclusion to its participation in the 2025 Offshore Technology Conference (OTC) held at the NRG Center in Houston.

As the only manufacturer in solids control indudstry to showcase a comprehensive suite of cutting-edge technologies—including shale shakers, decanter centrifuges, vacuum pumps, and shaker screens—the company reinforced its commitment to delivering cost-effective, innovative solutions for the oil and gas industry.

Showcasing Practical Innovations
During the week-long event, GN Solids America drew significant attention with its compact, high-performance separation technologies tailored for oil and gas operations and environmental applications. Key highlights from their exhibition included:

GNLW223D 9-inch Decanter Centrifuge: Designed for tank cleaning, core drilling, and small-scale fluid recycling, this equipment combines efficiency with versatility.

GNSP-10B Sludge Vacuum Pump: An air-driven, explosion-proof solution engineered for challenging waste transfer tasks in hazardous environments.

GNZS Series Shale Shaker: Featuring high G-force linear motion and durable composite screens, this system ensures optimal solids removal and extended operational life.

By integrating advanced engineering with user-centric design, GN Solids America continues to empower clients to enhance operational efficiency while minimizing environmental impact.

In the offshore drilling industry, effective separation and reliable fluid handling are crucial. GN Solids Control provides high-performance decanter centrifuges, centrifugal pumps and other solutions to meet these needs.

Solid control Engineering and Customization

With a legacy of separation excellence, GN’s decanter centrifuges are built on proven principles and modern innovations. They are designed to handle tough tasks like processing drilling mud and separating solids, liquids . Each decanter centrifuge can be customized in aspects like bowl speed and conveyor design to maximize efficiency and durability in harsh marine environments.

Advanced Control and Reliable Pumps

GN’s expertise in PLC and electrical control systems allows for real-time monitoring and predictive maintenance, enhancing performance and availability. The centrifugal pumps are designed to handle abrasive fluids and high-viscosity slurries, ensuring longevity and minimal maintenance, which has led to global partnerships with offshore drilling companies.

Global Support with Local Presence

Strategically located branches and partners ensure prompt technical support and fast delivery of products and spare parts, minimizing downtime and logistics costs.

GN Solids Control offers reliable and efficient separation and fluid handling solutions for offshore drilling, with customized centrifuges, advanced control systems and a global support network.

GN Solids, showcased its cutting-edge equipment at the International Trenchless Technology Conference (ITTC) 2025. With a focus on innovation and efficiency, the company highlighted two flagship products designed to address the challenges of modern tunneling and drilling projects: the TBM Slurry Separation Plant and the GNLW632B Dewatering Decanter Centrifuge.

1. TBM Slurry Separation Plant
GN Solids’ TBM Slurry Separation Plant are engineered to deliver high-performance solid-liquid separation for slurry shield tunneling and pipe jacking projects. These systems are particularly suited for urban construction sites where space constraints and high processing efficiency are critical.

Key Features:

Compact Vertical Design: The system maximizes space utilization by arranging equipment vertically, reducing the overall footprint while maintaining robust processing capabilities.

Modular Configuration: The modular design allows flexible combinations to meet diverse project demands. Systems can be assembled into large-capacity setups or split into smaller units for localized operations. This adaptability also supports rapid disassembly and relocation, ideal for mobile construction needs.

High Processing Capacity:

GNTBM-260B: 260 m³/h

GNTBM-360B: 360 m³/h (equipped with GNZS1536-2A high-efficiency double-layer vibrating screen, vibrating amplitude 4-8 mm)

GNTBM-500B: 500 m³/h

Customizable Solutions:

GNTBM-800B (800 m³/h): Combines GNTBM-360B + GNTBM-500B

GNTBM-1000B (1000 m³/h): Dual GNTBM-500B units

GNTBM-1500B (1500 m³/h): Three GNTBM-500B units

Full System Components:
The complete TBM Slurry Separation Plant includes vibrating screens, desanders, desilters, bottom drying screens, slurry feed pumps, and slurry circulation tanks. These components work synergistically to ensure efficient slurry recycling, reduced waste, and enhanced operational continuity for medium to large tunneling projects.

2. Dewatering Decanter Centrifuge: GNLW632B
The GNLW632B Decanter Centrifuge is a game-changer for non-excavation projects requiring fine particle separation. It excels in processing slurry from clay, fine sand, and mudstone formations, offering sustainable and cost-effective solutions.

Key Advantages:

Chemical-Free Operation: Effectively reduces slurry specific gravity and restores slurry properties without chemical additives, minimizing environmental impact.

Compact and Automated: Designed for small footprints, the centrifuge operates continuously with minimal human intervention, ensuring reliability in demanding environments.

Waste Reduction: By optimizing slurry reuse and lowering disposal volumes, the GNLW632B significantly cuts down on waste generation and associated costs.