Drilling Waste Management

GN Solids Control has successfully delivered multiple sets of Vertical Cuttings Dryers, also known as vertical centrifuges, to drilling cuttings treatment clients in Africa. These cutting-edge units play a crucial role in the treatment of Oil  Based Mud (OBM) drilling cuttings, showcasing GN Solids Control’s commitment to providing effective solutions for the oil and gas industry.

The vertical cuttings dryer efficiently processes OBM drilling cuttings, extracting valuable drilling fluids and facilitating their reuse in the drilling mud system. However, the liquid discharged from the vertical cuttings dryer poses a challenge, being too heavy and containing a significant amount of fine solids. To address this, GN Solids Control recommends the integration of a high-speed decanter centrifuge in the system. This additional step is instrumental in reducing the mud weight, ensuring that the drilling fluids are in optimal condition for reuse in the drilling mud system.

In the transportation and transfer of drilling cuttings for the vertical cuttings dryer system, screw conveyor augers play a pivotal role. These widely used augers efficiently carry and transfer cuttings, contributing to the overall effectiveness of the cuttings drying process. Some clients also opt for the use of solids and sludge vacuum pumps to feed cuttings into the system, providing a versatile solution to suit specific operational requirements.

The combination of the Vertical Cuttings Dryer, high-speed decanter centrifuge, and efficient conveying mechanisms like screw conveyor augers or solids and sludge vacuum pumps represents a comprehensive and integrated approach to the management of OBM drilling cuttings. GN Solids Control’s solutions not only enhance operational efficiency but also align with sustainable practices by promoting the reuse of drilling fluids, reducing waste, and minimizing environmental impact.

Through its continuous innovation and dedication to meeting industry challenges, GN Solids Control remains a trusted partner for drilling operations globally, ensuring the advancement of efficient and environmentally responsible practices in the oil and gas sector.

GN Solids Control has successfully completed the production of a Drilling Waste Management Packaged Equipment for a client in Europe. This equipment package is designed to meet the specific requirements and standards of the European market, with the entire package and electrical control system complying with EU standards. GN Solids Control holds CE certificates for its major separation equipment and ATEX certificates for its explosion-proof control panels, ensuring the safety and quality of the equipment.

The Drilling Waste Management Packaged Equipment includes various processing and transfer units to effectively manage drilling waste. The first module is the drilling cuttings collection and transfer unit, which features a large v-bottom hopper tank for collecting cuttings and waste material. A screw conveyor is installed under the v-bottom hopper tank to transport the drilling cuttings to the separation equipment.

The second module consists of a vertical cuttings dryer mounted on a telescopic skid. This unique design allows for easy movement of the skid, enabling flexibility in the operation. The recovered fluids from the vertical cuttings dryer can flow directly to the next stage of processing equipment, eliminating the need for a holding tank and transfer pump. The vertical cuttings dryer is primarily used for treating oil-based mud and cuttings, reducing the oil content in the cuttings to 3% to 5%.

For water-based mud and cuttings, a higher G drying shaker is utilized. This module includes a high G drying shaker package, specifically designed for efficient drying of water-based mud and cuttings. The shaker removes the remaining solids from the drilling waste, ensuring a cleaner and drier end product.

To facilitate the transfer and disposal of drilling waste, various screw conveyors are equipped in the package. These conveyors efficiently transport the drill cuttings and discharge the solids waste, streamlining the waste management process.

GN Solids Control’s Drilling Waste Management Packaged Equipment is a comprehensive solution for effectively managing drilling waste. The equipment is designed to meet the stringent standards of the European market, ensuring compliance and safety. With the completion of this project, GN Solids Control continues to demonstrate its expertise in providing reliable and efficient solutions for the oil and gas industry.

In the selection process for centrifuge models used in wastewater treatment and oil sludge processing through three-phase separation, the test tube centrifuge method plays a crucial role. This method involves a specific procedure to determine the most suitable decanter centrifuge model. The customer is instructed to set the separation factor to 1200G for a duration of 2 minutes. If clear layering occurs during this process, it indicates that the centrifuge possesses excellent separation capability. However, if clear layering is not observed at 1200G, the setting is increased to 2000G for an additional 2 minutes. If clear layering is achieved at this stage, it suggests that a high-speed decanter centrifuge can also achieve effective separation.

The test tube centrifuge method provides a preliminary assessment of the centrifuge’s separation capabilities, making it an essential step in the selection process. By gradually increasing the separation factor and observing the clarity of the layers formed, it becomes possible to determine the optimal centrifuge model for wastewater treatment and oil sludge processing.

Clear layering serves as a critical indicator of a centrifuge’s ability to effectively separate the different phases present in wastewater and oil sludge. The presence of clear layering indicates successful separation of solid particles from the liquid phase, resulting in distinct layers. This separation is vital for efficient treatment and processing, allowing for the removal of contaminants and the recovery of valuable resources.

However, if the centrifuge fails to achieve clear layering even at higher separation factors like 2500G or 3000G, it suggests that the separation efficiency may be compromised. In such cases, alternative separation methods beyond centrifugation need to be considered.

In conclusion, the test tube centrifuge method is a crucial tool in the selection of centrifuge models for wastewater treatment and oil sludge processing. By gradually increasing the separation factor and observing the clarity of the layers formed, the centrifuge’s separation capabilities can be determined. Clear layering indicates effective separation, while the absence of clear layering suggests the need for alternative separation methods. This careful selection process ensures the optimal choice of centrifuge models for efficient wastewater treatment and oil sludge processing.

In a significant development for the global wastewater treatment industry, GN Solids Control has successfully exported 8 sets of GNIPC-25A Inclined Plate clarifier (IPC) to a South American client. These state-of-the-art Inclined Plate clarifiers (IPC) are specifically designed for efficient industrial sludge treatment, promising to revolutionize the way wastewater is managed in the region.

The GNIPC-25A Inclined Plate Settlers, engineered by a leading manufacturer, offer a highly effective solution for separating solids from wastewater. It is used to separation the sludge with oil or without oil.

The company also offers oil-water separation, decanter centrifuges, and disc centrifuges for oil, water, and soil separation. While these separators have different functions and separation results, they all play an important role in various industrial applications.

The GNIPC-25A IPC is a state-of-the-art clarifier that is specifically designed for efficient sludge treatment in wastewater treatment plants. The inclined plate design provides superior separation efficiency, ensuring that wastewater can be effectively treated and reused. The IPC is also cost-effective and easy to operate, making it a popular choice for industrial wastewater treatment.

Oil-water separators are used to separate oil and water mixtures, typically in refineries and petrochemical plants. GN Solids Control offers a range of oil-water separators, including disc centrifuges and decanter centrifuges, that are suitable for different oil-water ratios and flow rates. These separators can help prevent oil spills and contamination of water resources, protecting the environment and minimizing operational costs.

Disc centrifuges and decanter centrifuges are also widely used for soil separation applications. These centrifuges can help extract sediment, silt, and other particles from soil, allowing for efficient and cost-effective soil processing. They can be used in a variety of industries, including construction, mining, and environmental restoration.

GN Solids Control offers a wide range of separators that are designed to meet the specific needs of different industries and applications. While each separator has its own function, separation result, and cost, they all help industries achieve efficient and sustainable operations.

Renowned for its expertise in the realm of decanter centrifuges and disc centrifuges, GN Solids Control boasts an extensive array of offerings. These encompass a wide spectrum of sizes and models, meticulously designed to cater to the intricacies of both 2-phase and 3-phase separation processes.

Setting them apart from the competition is a truly remarkable accomplishment—the engineering marvel that is the 30-inch big bowl decanter centrifuge. This monumental achievement places GN Solids Control among a select few global manufacturers possessing the prowess to conceive such an innovation. Dubbed the GNLW764A-VFD, this colossal apparatus assumes a pivotal role in the mining sector, specifically for the treatment of tailing slurry, a process vital for efficient dewatering.

The immense bowl of the centrifuge is meticulously crafted to accommodate substantial capacities, making it tailored for scenarios requiring large-scale operations. This innovation not only showcases GN Solids Control’s technical prowess but also its commitment to addressing the evolving demands of diverse industries.

The pinnacle of their ingenuity lies in their containerized water treatment system. Within this innovation, two distinct containerized systems harmonize seamlessly. The upper container houses the centrifuge, an indispensable cog in the separation process machinery, ensuring precision and efficiency. Contrarily, the lower container hosts the chemical dosing unit, playing a pivotal role in fine-tuning the treatment process for optimal results.

The ingenuity doesn’t stop at physical arrangement—the interconnectivity of these systems is facilitated through an intricate web of pipelines. GN Solids Control orchestrates a symphony of fluid dynamics, achieving not only a fluid flow but also a flow of information through their comprehensive control systems.

This holistic approach signifies GN Solids Control’s commitment to furnishing comprehensive solutions for intricate industrial challenges. Their prowess extends beyond equipment production; it lies in their capability to create cohesive systems that enhance efficiency while optimizing spatial resources. By adeptly intertwining the centrifuge and chemical dosing unit within a dual-container setup, GN Solids Control continues to illuminate the path for cutting-edge water treatment solutions, effectively setting new benchmarks within the industry.

GN Solids Control has earned a trusted reputation as a leading manufacturer specializing in effective solutions for drilling waste management. Among their extensive product range, they offer the high G drying shale shaker, specifically designed for Water-Based Mud (WBM) treatment. This advanced shale shaker is engineered to remove moisture from the drilling mud, resulting in improved performance and reduced waste.

The high G forces generated by the drying shale shaker efficiently separate the solids from the liquid, enabling the recovery of valuable drilling fluids. GN Solids Control’s high G drying shale shaker is a dependable and efficient tool that enhances the quality of WBM and optimizes drilling operations.

To further enhance the processing capabilities of mud, GN Solids Control provides a high-speed centrifuge that works in conjunction with the high G drying shale shaker and Vertical Cuttings Dryer. This centrifuge is utilized to process the liquid mud underflow from the drying shale shaker and Vertical Cuttings Dryer. By subjecting the mud to high centrifugal forces, the centrifuge effectively separates the fine solids from the liquid, ensuring the recovery of clean drilling fluids and minimizing waste.

The combination of the high G drying shale shaker, decanter centrifuge, and Vertical Cuttings Dryer offers a comprehensive solution for WBM treatment. GN Solids Control’s advanced technologies and reliable equipment contribute to improved efficiency, reduced environmental impact, and enhanced drilling operations.

As a reputable manufacturer, GN Solids Control continues to be a trusted partner for companies seeking efficient and reliable solutions for drilling waste management. Their dedication to customer satisfaction, commitment to innovation, and high-quality equipment have positioned them as a leader in the field of solids control and waste management in the drilling industry.

Through their cutting-edge solutions, GN Solids Control empowers companies to effectively manage drilling waste, maximize the recovery of valuable resources, and minimize environmental impact. Their focus on customer needs, continuous innovation, and commitment to delivering high-quality equipment solidify their position as a trusted and preferred provider in the industry.

GN Solids Control is a leading provider of drilling waste management equipment, including screw conveyors, drill cuttings drying shakers, mud cleaners, high speed decanter centrifuges, big bowl decanter centrifuge, vertical cuttings dryers, and more. These innovative solutions play a crucial role in the efficient handling, separation, and transfer of drilling cuttings and drilling mud.

One of the key components in GN Solids Control drilling waste management system is the screw conveyor. Designed to handle various types of drilling cuttings, the screw conveyor efficiently transfers the cuttings and wastes from the shale shaker, mud cleaner, desander, desilter and centrifuges to the subsequent processing equipment. Its robust construction and reliable performance ensure smooth and continuous operation, minimizing downtime and optimizing the overall waste management process.

The drilling mud shale shaker is another essential equipment provided by GN Solids Control. It is used to separate larger solids from the drilling mud, ensuring the mud’s quality and reducing the wear and tear on downstream equipment. The shale shaker’s high G-force vibrating motion effectively removes solid particles, allowing for the reuse of the drilling mud and minimizing waste.

To further enhance the waste management process, GN offers mud cleaners that combine a hydrocyclone system with a shale shaker. This integration allows for efficient removal of both large and small solid particles from the drilling mud, resulting in cleaner mud and improved drilling performance.

Decanter centrifuges are vital in the separation of fine solids from the drilling mud. GN’s decanter centrifuges utilize high-speed rotation to generate strong centrifugal forces, effectively separating the solids from the liquid phase. This process significantly reduces the solids content in the mud, ensuring optimal mud properties and minimizing waste generation.

Vertical cuttings dryers provided by GN Solids Control are specifically designed to treat drilling cuttings. By applying high G-force and heat, these dryers efficiently remove oil-based fluids from the cuttings, enabling the recovery of valuable resources and reducing environmental impact.

In conclusion, GN Solids Control offers a comprehensive range of drilling waste separation equipment, including screw conveyors, drilling mud shale shakers, mud cleaners, decanter centrifuges, and vertical cuttings dryers. These reliable and efficient solutions ensure the effective handling, separation, and transfer of drilling cuttings and drilling mud, enabling operators to minimize waste, comply with environmental regulations, and optimize their drilling operations.

GN Solids Control offers professional proposal for various kinds of oily sludge separation application in oil field. The oil sludge includes oily waste from tank cleaning, from drilling mud system, from waste pits, from crude oil storage tank, from refinery, and so on.

Oil sludge is a mixture waste which is consisting of oil, water and solids, soil. The treatment of the oil sludge wastes is normally to recover as much oil and water for reuse, and reduce the solids waste. And some times, it will request 3 phase separation of oil, waste and soil. Also it is an ideal solution to for the solids disposal. It is also good for environment protection. If more oil and water recovered, more energy and resource could be saved. And the waste material is reduced.

GN oil sludge treatment plant mainly include shale shaker separation and decanter centrifuge separation, oil water separators and waste waster water treatment unit.

There are generally 3 solutions of oil sludge treatment, in order of separation effect and the investment, the 3 solutions is as following:

Option 1 Shaker modular + 2 phase centrifuge centrifuge modular: If the customer only requires solid-liquid separation, and does not require oil-water separation, use shale shaker separation with 2-phase centrifuge centrifuge.

Option 2 Shaker modular + 3 phase centrifuge centrifuge modular:
If the customer requires three-phase separation of oil, water, and slag, but the requirements for three-phase separation are not high, use shale shaker separation, and 3-phase decanter centrifuge.

Option 3 Shaker modular + 3 phase centrifuge centrifuge modular + 3 phase disc centrifuge modular:
If the customer requires three-phase separation of oil, water, and slag, and the requirements for three-phase separation are relatively high. Use shale shake separation, 2-phase decanter centrifuge, and three-phase disc centrifuge. The advantage of a three-phase disc centrifuge is that it can get clean water and oil, but the disadvantage is that it is easy to block.And the cost is higher.

GN Solids Control makes various transfer pumps and transfer equipment for drilling mud and drilling waste material carrying and transfer, such as centrifugal pump, slurry pump, solids and sludge vacuum pump, screw conveyor, etc…

Centrifugal pump is mainly used for drilling mud transfer and water transfer. It is also called as sand pump. It is the most popular transfer equipment in drilling mud solids control system. Centrifugal pump is used as feed pump for mud cleaner, desander and desilter. It is used as suction tank for mud pump. Centrifugal pump is used as transfer pump between tanks. Centrifugal pump is also used as mixing pump for mixing hopper and shearing hopper.

Slurry pump can transfer bigger size solids and bigger percentage slurry compared with centrifugal pump. GN Solids Control makes horizontal slurry pump and vertical slurry pump. The big size slurry pump is normally used to feeding for shale shakers. The small size slurry pump can be used to feed for decanter centrifuge.

GN Solids Control makes big model skid mounted vacuum pump and portable type small vacuum pump. It is a 100% air driven pump without any electric components. And there is no rotating parts inside the vacuum pump tank. It enable the pump or big size solids transfer, reliable performance and less maintenance. The pump is specially designed to transfer solids, powder, liquid, and liquid sludge, etc… It is widely used for various applications, such as in construction field to transfer rocks, powders, in waste management field for oil sludge separation, in tank cleaning project to suck and transfer tank bottom sludges, in offshore platform to carry drilling waste and drilling cuttings.

Screw conveyor is mainly to transfer materials with less liquid content. GN Solids Control makes various sizes screw conveyor with various transfer length. GN Solids Control screw conveyor is combined by standard length 12 ft for each section. The jobsite operators can reduce and extend the transfer length by changing the qty of the middle auger sections.
GN Solids Control is among the few manufacturer who makes screw conveyors to suit for KOC additional HSE standard. GN Solids Control makes hundreds screw conveyors for KOC projects every year.


As GN Solids Control major is mainly focusing on domestic high level market, and international market. GN Solids Control design is compete with U.S and EU brands, the quality and design of GN Solids Control products must be high standard, reliable HSE standard, as well as user friendly.

Take screw conveyor for example, it is a sample transfer device to carry drilling waste and drilling cuttings, and transfered to waste pits for disposal. It is widely used with solids control shale shaker, desander cleaner, desilter cleaner, combined type shale shaker, decanter centrifuge, as well as drilling waste management high G dryer, vertical cuttings dryer, etc… Many people say the screw conveyor is sample device. Frankly speaking, its design is really complex, but it is easy to make it durable and safety.

Firstly, as the screw conveyor is mainly used to carry drilling cuttings, sludges, hence it must be good at wearing resistant. GN Solids Control use high quality hard iron for long lifetime.

Secondly, some clients said they faced HSE issues caused by screw conveyor. Their workers hurt their figures or feet while touch the augers accidentally. It is serious HSE issue and caused the job site shut down for correction.

GN Solids Control has 3 safety protections to avoid the problem:

1. There a closed loop grab wire along the whole auger length. The operators can stop the auger at any position of the auger by pull the grab wire in case of any accident issue happened.

2. GN Solids Control offered fixed covers on top of the auger. The top cover material can be metal plate for good sealing, and small hole gratings for watching side to check the auger discharge.

3. The covers can be fixed at both sizes, or with hinges on one side & provision for locks and bolts on the other side. It is for fast open and close. And plus, it can avoid the missing of the cover at job site.

4. And plus, in case of the auger top cover can be opened unexpectedly, or un-locked well, the auger will be auto-stop for protection.

5. GN Solids Control equips Audio / visual alarm on auger starter control panel, which is located near the auger. The Audio & visual alarm which will be automatically activated once the power is switched on followed by the actual auger start-up with a safety delay time. Audio / Visual Alarm to be in the OFF mode after some time once the auger starts operation.

If you need more information of GN Screw conveyor, welcome you contact GN sales engineers.