Verti G Cuttings Dryer’s simple Maintenance

Verti G cuttings dryer is specifically utilized in drilling liquids solids control system to recuperate the waste cuttings out of the primary shale shaker and mud cleaner. At the moment, the organization CSI is the world recognized most well-known manufacturer for that Verti G cuttings dryer unit. Regardless of on production and quality series, CSI is the No. 1.

GN Solids Control continues to be devoted to create and produce the Verti G cuttings dryer previously 3 years, and today GN second generation cuttings dryer happen to be examined effectively and already applied on-site. GN’s verti G dryer is workable for the water drilling mud and oil based mud making GN Solids Control occupy the very first seed in China solids control market. To guarantee the smooth performance from the verti G dryer, GN outfitted around the unit with flushing and coming system.

GN Verti G dryer flushing system

The verti G cuttings dryer of the flushing system is composed of the screw pump and relative hoses. Normally the material stepping into the Cuttings dryer could be dry and high viscosity. Using the rotating from the dryer bowl, the fine solids and liquid could be dispersed onto the interior encircled wall from the bowl and stick onto it. To wash within the cuttings dryer, the screw pump would feed water that is clean in to the bowl. Underneath the ruthless from the flushing water, the fine solids and dirty liquid could be flushed lower in the wall and obtain out of the dryer vessel.

GN Verti G Air Knife System

Certainly one of GN first generation Verti G cuttings dryer defects would be that the released solids from dryer unit isn't dry enough for simple transportation. The environment knife design could solve the issue from the block around the rotating screen opening. GN’s vertical cuttings dryer has 3 types screen for selection, the outlet is 250 microns, 350 microns and 500 microns. Under ruthless from the coming air, the blocked opening from the screen would open and also the solids could be blow to much dryer. This greatly improves the significant efficiency and helps make the transportation from the released solid super easy.

Aside from the verti G dryer, there'd be another essential equipment known as decanter centrifuge made by GN which may take away the much fine solid contaminants within the drilling mud.

Mud Recycling System used for HDD Rigs

Generally, trenched is going to be excavated for pipe lounging or conduits and cables setting up. While, in certain situation that trenching isn't simple for geographic factors or environment reasons, directional boring, usually referred to as horizontal directional drilling(reduced as HDD) is going to be applied. HDD is really a typical illustration of trenchless technology meaning utilizing a surface-released drilling rig to bore a way for setting up infrastructure for example pipelines, gas lines, oil line, sewer lines, water lines, energy cable conduits, and telecommunication. HDD is generally applied whenever a river, road, landscape, or perhaps a stuffed up place must mix for pipe and cable lounging. So far, installation length by HDD continues to be as much as 2000 meters, and diameters as much as 1200 mm happen to be finished in a nutshell length. Yet, that doesn't always imply that HDD could be adopted for those road-mix or river -mix drilling. Really, solids rock or sedimentary rock is easily the most appropriate material. HDD can be used rather than other techniques mainly for the additional benefits. HDD not just makes traffic disruption less and much deeper or longer installation possible, but guarantees a lesser cost and eco safer.

GN Solid Control is focused on design and make up mud recycling system for HDD rigs, as well as for a decade’s finding and changing , GN’s mud product is broadly utilized in Australia, India, along with other nations for HDD rigs.  The below features are evidence of GN’s mud recycling systems recognition. First of all, GN provides compact design with a mix of mud cleaner and underflow shaker, that is double deck for that first stage separation and drilling mud’s drying out.

Next, GN offers a full-range of mud system: 150/ 350/ 800/1000/1500GPM.

Related article:

https://mengda0312.wordpress.com/2014/12/12/drilling-waste-management/

Standard Drilling Mud Solids Control System for Oil & Gas Rig

Solids Control system is one of the 8 systems for oil and gas drilling rig. And it could be regarded as a complete closed loop system, which is used for receiving the drilling mud from the well and separating out as much as drilling cuttings, then transfer the drilling mud back into the drilling system.

In a complete drilling mud solids control system, or sometimes we call it drilling mud recycling or cleaning system, there are 4 steps of solids control and 5 steps cleaning. What do they mean?

What is 4 steps solids control?

Solids control, words speak out the meaning, to control the solids phase in the drilling mud to the minimum. There are 4 steps of solids control equipments,:

1.      Linear motional Shale Shaker, by the vibration of the shaker deck, the solids particles larger than 100 microns are separated out. Shale shaker is the most efficient equipment. Drilling mud from the well falls directly to the shakers buffer box. So shale shaker needs no feeding pumps.

2.      Desander cones, composed of several 10 inch hydrocyclones made of polyurethane material , are used for separating out the solids particles larger than 40  microns. Qty of 10 inch hydrocyclones depends on the treating capacity.

3.      Desilter cones, composed of several 4 inch hydrocyclones made of polyurethane material, used for separation of solids particles larger than 25 microns. Same as desander, this QTY also differs per capacity.

Remarks: in more and more cases, mud cleaner plays the role of both desander and desilter. It combined the desander, desilter together, with a underflow shaker.  And desander and desilter need respectively centrifugal pumps for feeding.

4 .  Decanter centrifuges. In a oil and gas system smaller than 1000HP rig, there is a middle speed decanter centrifuge, and for larger rigs, there are always one set of middle speed centrifuge and one set of high speed centrifuge. GNLW452 and GNLW363 are ideal choices here.

What is 5 steps cleaning?

5 Steps of cleaning for the drilling mud include above mentioned 4 items for separation of solids particles from the liquid, there is 1 more treatment to release the bubbles from the liquid, by Vacuum degasser.  Vacuum degasser is always located after the shale shaker and before others, so it also helps to protect the centrifugal pumps.

GN Solids Control has a long time experience design and provide such systems to worldwide large drilling companies. May you have interest, welcome to visit GN’s website or visit GN company.

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