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Nowadays, how to make use of drilling mud to meet the purpose of safe production, environmental protection, as well as economical and effective application has been a major subject of drilling production.

Common problems take place in oil and gas drilling fields

In rotary drilling, drilling fluids are essential to lubricate the drill bit and circulate the drill cuttings to the surface. It is well documented that oil-based drilling muds (OBMs, sometimes referred to as non-aqueous drilling fluids or NADFs) have several advantages over their water-based counterparts. OBMs have a higher natural lubricity, making them suitable for challenging drilling operations. Also, OBMs are less reactive with clays and shales, thereby preventing hole enlargement, resulting in smaller overall waste volumes.

In the past decades, drilling oil and gas industry took various measures to the waste to minimize drilling waste http://www.kosun.us/drilling-waste-management/ in order to better protect the environment and public safety. Drilling operators may use environment friendly treatment method with 3 stages to deal with the drilling waste. In the first stage, the operators adjust the drilling process, or replace appropriate drilling fluid, in the purpose of minimizing the drilling process of waste, reducing disposal cost, and keeping environment friendly.

KOSUN screw conveyor http://www.kosungroup.com/products/drilling-waste-management/screw-conve... can be used in drilling waste management projects, providing an effective, low-cost drilling cuttings transport system for onshore and offshore drilling facilities.

Vertical Centrifuge uses centrifugal force to dry drilled solids in oil or synthetic base fluids. A stainless steel screen bowl traps “wet” solids and accelerates them up 900 RPM. Liquid is forced through the screen bowl openings, while “dry” solids are extracted by the angled flights attached to the cone, which rotate slightly slower than the bowl. Tungsten carbide protects the flights from abrasive solids and ensures long operational life. This aids in maintaining a constant gap between the scroll and screen bowl, which is crucial for proper operation.

Hi-G dryer is popular used for water based mud drilling cuttings treatment. After Hi-G dryer, high speed centrifuge will be followed for further treating. After treated by centrifuge, solids parts can be used for construction; liquid part can be further treatment by flocculent unit. Hi-G dryer is also can be used for oil based mud drilling cuttings treatment ; vice versa, vertical cuttings dryer can also be used for water based mud drilling cuttings treatment. Based on this, KOSUN design it’s vertical centrifuge which can be used for both WBM and OBM drilling cuttings treatment​.

Screw conveyer, or screw conveyor http://www.kosungroup.com/products/drilling-waste-management/screw-conve..., commonly known as auger. It has horizontal, inclined and combined form, and it can be used with other transport devices, to accomplish combined transport, separate transport, mixing, blending, dehydration, compounding, discharging and stacking, etc. KOSUN Screw Conveyer is used in the drilling waste management for the drilling fluids or cuttings transportation.

KOSUN's Hi-G drier http://www.kosungroup.com/products/drilling-waste-management/hi-g-dryer.... recovers drilling fluids cuttings from water-based and oil-based drilling fluids, will create the proportion of the liquid introduce the drilling to be under 100%, will considerably scale back the value of the waste discharge, and is especially effective in ill the oil-based mud cuttings.

Drilling waste management(DWM) is to treat and recover the solid phase generated during drilling process to finally meet environment protection and discharge standards in countries and regions locally. It can meet the requirement of non-landing treatment of drilling mud, effectively prevent environmental pollution, save drilling mud and reduce drilling cost. At present, there are many DWM solids control http://www.kosun.us/drilling-waste-management/ methods and devices with different treatment effects.

The VERTI-G Cuttings Dryers http://www.kosun.us/drilling-waste-management/hi-g-dryer.html/ makes its contribution with its innovative process after the shale shaker completes its task. Cuttings that pass over the shaker typically have an average of 30% to 50% ROC (Retention on Cuttings) when they enter the proprietary auger system and begin to cycle through the VERTI-G cuttings dryer.