GN CBM Drilling Mud 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.