GN Mud Gas Separator

Naturally as we all known, GN Solids Control Company are focusing on supplying turnkey solutions for clients on solids control systems and drilling waste management systems. It’s vital that you provide clients with highest quality tools for example shale shakers, mud cleansers, decanter centrifuges and cuttings dryer etc. Another auxiliary tools will also be quite important if this involves to show an ideal function for the entire system.

Today we wish to provide you with a brief introduction on GN mud degasser. Mud degasser can also be known as poor boy degasser sometimes.

GN mud degasser is really a helpful equipment to get rid of the gas from drilling liquids prior to the liquids is distributed to solids control systems. Even though the mud degasser isn't necessarily utilized in the drilling process, it’s quite important when there's much gas within the drilling liquids. Because an excessive amount of gas can destroy the solids control equipment. For that gas separated in the drilling liquids, a lot of it always can be SO2 that is very dangerous for people’s health. So usually there's one flare igniter associated with the mud degasser, the dangerous gases could be burnt inside a quite far place.

The mechanical structure of GN mud degasser really is easy. Simply take GNZYQ 1000A for example, the tank diameter is 1000mm. Drilling liquids first run together with the inlet pipe that is 4 inch, it will hit several baffle plates. Because of the big pressure, the collision pressure is large enough to split up the gas from drilling muds and run out of the outlet pipe that is ten inch to some flare igniter in order to another distant place.

For that after treated drilling liquids, it's delivered to solids control system for more separation. Sometimes, you will see vacuum degasser right at the back of shale shaker. The vacuum degasser can be used to get rid of gases in small diameters.

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Drill Cuttings Solidification and Stabilisation

Oily drill cuttings from the shale shakers may not be suitable for direct disposal to land without further treatment.  Regulations in some countries require the “waste” to meet certain criteria such as the leachability of specified contaminants. Solidification and stabilisation of the drilling waste is a method whereby the raw cuttings from the shaker / centrifuge are mixed with additives in order that the treated wastes will meet the criteria for land disposal.

Solidification typically refers to encapsulating the waste such that the leachability of contaminants is reduced by minimising the surface area of the waste exposed to leaching, or by totally encapsulating the waste with an impervious layer. Stabilisation refers to chemical techniques that reduce the mobility of contaminants by changing their form into less soluble, mobile or toxic forms.  There are concerns that the long term stability of these waste is not yet understood and as such this technique is now limited in its application around the world to just a few countries.

NADF Drill cuttings are typically mixed with cement or lime and at least one more additive such as sodium silicate or organophilic clay.  The mixing is completed either by the use of a backhoe or through more automated equipment such as a ploughshare mixer and associated silos for the cement and additives.  In most cases some water will also be added to ensure complete hydration and reaction of the cement or lime.

The final product will normally be required to meet a specification that covers the leachability of specific contaminants and in some cases a number of physical properties.  The leachability requirements typically cover heavy metals and hydrocarbons whilst the physical tests cover the final strength of the product. The Louisiana State-wide Order 29-B provides a useful reference for these requirements and can often be quoted as a standard in the absence of local regulat

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