Drilling mud is the most important middle material in the drilling project, especially at the deep petroleum well drilling. Drilling mud with mixed many kinds different chemical material, complex component and expensive. Drilling mud can balance the pressure between outside and inside well to prevent lost circulation and blowout. The most important is drilling mud can carry the drilling cutting from bottom of well to keep the drilling process, and improve the drilling efficiency. However, drilling mud is one kind high pollution material and also expensive. How to reduce the pollution and recycling them for reuse ,this is very important to reduce the cost of drilling and protect environment.

GN Solids Control is one manufacture of solids control equipment. We has focused on separation equipment manufacture for more than 15 year. It is one of the earliest China company that got API Q1 certificate. GN can provide whole series solids control equipment such as shale shaker, mud cleaner ,degasser, decanter centrifuge and also centrifuge pump, Decanter centrifuge. GN designed and manufactured lots set mud system for top oil gas company in the world. Last week we delivered one mud recycling system for offshore drilling company of China. This shale shaker and mud tank are used on offshore drilling platform. The shaker model is GNZS-594 model , which is the most popular shaker model of GN. 2 unit 1.74kw vibrator can reach 7.5 G force, which can guarantee the solids-liquid separate well. 4 pieces panel and adjustable deck angel can keep the sludge stay longer time on shaker for treatment. Longer treatment time, better separation and recycle more drilling mud.

Most company only can provide single equipment, less of them can provide the whole solution for client ,from designing to manufacture. Even some client can provide, price is very expensive. GN Solids control have the competitive price and good support of technology. If your project have demand on solids control equipment, welcome to contact us. 

In modern industry, decanter centrifuge one kind most application equipment for material separation. There different purpose of solid-liquid system (including suspension and emulsion) separation.

 (1) Recover valuable solid phase and discharge liquid phase; (2) Recover the liquid phase and discharge the solid phase; (3) Both solid and liquid phases are recovered; (4) Both solid and liquid phases are discharged (such as sludge dewatering). The main operation methods to achieve solid-liquid separation are gravity sedimentation, filtration and centrifugal separation. The method of using centrifugal force to achieve solid-liquid, liquid-liquid, and liquid-liquid-solid separation is generally called centrifugal separation. The machinery that realizes centrifugal separation operation is called centrifuge. Compared with other separation machinery, centrifuge can not only obtain solid phase with low moisture content and high-purity liquid phase, but also save labor, reduce labor intensity, improve labor conditions, and has the advantages of continuous operation, automatic remote control, safe and reliable operation and small floor area.

Now centrifuges have been widely used in chemical industry, petrochemical industry, petroleum refining, light industry, medicine, food and textile, metallurgy, coal, beneficiation, shipbuilding, military industry and other fields. For example, the recovery of oil drilling mud, the concentration of radioactive elements, and the sludge dewatering in the treatment of three wastes. Centrifuge is a post-treatment equipment, which is mainly used for dehydration, concentration, separation, clarification, purification and solid particle classification. It has developed with the development of various industrial departments.

GN is one the earliest manufacture of China to built decanter centrifuge. Till now, they have 3 series centrifuge for different application, T series for dewatering , C series for clarifying, Y series for separation. According to capacity, they can provide decanter centrifuge from 9 inch to 30 inch decanter centrifuge to reach client different requirement. With 15 years centrifuge manufacture experience, GN centrifuge has exported to more than76 countries, and get the good reputation from client. If your project have demanded on these centrifuge, welcome to contact us.

last week we shipped out one set slurry system  to Africa for pipe-jacking project. Pipe-jacking is one kind mature technology of municipal project. For some pipeline laying in city, which do not to dredging and cover a small area when process, and also reduce the pollution to environment, especially in downtown of city, this kind project will not affect traffic of city.

However , pipe-jacking project will also consume lots water to flush the solids, and cooling machine, which will generate large sludge. It is difficult to transport these sludge without dewatering. How to recycle the water for reuse, and drying solids to transport out with small cost. Both is always the issue the engineer need to considering. GN slurry system was specially developed for these kind project. Drying solids and recycling water. Our 1500D model slurry system includes the shale shaker, hydrocyclone , centrifugal pump. This system can separate slurry with 3 stages.

Firstly, the sludge will be feed on the bottom shaker, it can remove out the solids bigger than 800mm. At this stage ,partial big solids will separated out, and the liquid after treatment will down to the bottom tank. Secondly, the centrifugal pump will suck the liquid into hydrocyclone. Under the high speed rotational flow, the solids bigger than 80 um will down to the upper shaker. The upper shaker installed high mesh shaker screen .It can dewatering the solids again , and recycle the remain water as much as possible. same as stage 1,liquid go through shaker screen and down to bottom tank. When material inside hydrocyclone, the cleaned liquid will flow out form the upper of hydrocyclone, and recycled for reuse in project.

To convent client transport this unit to different job site, we built all equipment on one skid with mall cover area. This project capacity is 1500GPM. We are good at providing customized equipment for some specially project. From designing to manufacture ,GN provide the whole support, if you have demanded on these project, welcome to contact us.

At the beginning of drilling history, people use clean water to dilute the solids content in drill mud. Sometimes, diluting drilling mud thorough adding water is good way and necessary , but for some high density drilling slurry , the dilution cost is very high. If this dilution costis used to purchase solid control equipment, the economic benefit will be better.

 One or more of the following technologies are used on site to remove the solid phase in the drilling fluid

 screening technology: shale shaker for drilling fluid, and strong water sensitive mud shale removal device;

Cyclone separation technology: desander and desilter;

Centrifugal separation technology: coarse mesh and sedimentation centrifuge;

Gravity sedimentation technology: sedimentation tank and dewatering device.

In general, these technologies can be accomplished by using separate equipment. However, in some cases, these equipment can be used in combination. For example, like the mud cleaner, it is to fix a hydrocyclone on the vibrating screen. Another important combination device is the drill cuttings dryer (also known as rotary shale shaker), which is a centrifuge equipped with a conical shale shaker, which can be used to separate the drilling cuttings in the drilling fluid to recover the drilling mud before treating the drilling cuttings. In addition, these devices help to improve the solid phase removal efficiency. For example, sometimes a vacuum or atmospheric degassing device (installed in front of the centrifuge, especially between the shale shaker and the desander) is installed to remove the gasbubbles in the drilling fluid that can cause the pump to evacuate and reduce the density of drilling fluid.

Select the suitable solids control equipment is economic way to keep the mud property, improve drilling efficiency and protect rig machine. GN Solids Control can provide all these equipment and also customized system. If your have demanded on these, welcome to contact us.