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Dec 31

Many persons may hear about the drilling mud solids control. But conerning how to purify the drlling mud, not so many people know well about it. Here we would like to talking about the drilling mud 4 stages solids control and 5 stages purification.

First stage for solids control & purification

Shale shaker is widely known as a solids control equipments used in drilling projects. It is a very basic equipment that could separate the drilling cutting more than 250 microns by fine mesh screens. During this stage, actually, the solids control and purificaion happens at the same time. Just as its name implies, solids control is separate the solids from the fluids, while the drilling cutting and other large size impurities being separated, the drilling mud is purified.

GN shale shaker

shale shaker


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written by GN Desander Desilter \\ tags: , , ,

Sep 19

Mud Tank is widely used in the oilfield mud recycling system not only as the vessel of drilling mud, but also as the base of the drilling mud treatment equipments. In a complete mud recycling system for the oil well drilling rig, there would be many tanks involved. Sometimes, all these tanks looked same from out shape, and connected by pipeline; while other times, these tanks are various in demension and independent for different function. These tanks maybe given different names by different supplier, now, we will talk about the tank with name from GN Solids Control.

mud tank system

mud tank system


Mud Tank as Shaker Tank

From the shaker tank, we are getting into the mud cleaning system, in general condition, we will install shale shaker on the tank surface, and the quantity of shale shaker depends on the treating capacity of the system. In order to remove the gas from the drilling mud and enhance the efficiency of the following centrifugal pump which feed the mud to cyclone seperator, we could, as per the client requirment, install a vacuum degasser behind the shale shaker. If there is still enough space on the tank surface, we could install the desander, desilter or mud cleaner on it. However, we always install the mud cleaner in the next tank to prevent the crowded layout on tank surface, then we get into the next tank.

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written by GN Desander Desilter \\ tags: , ,

Sep 27

Every year drilling company pay huge money for drilling mud, and related law about evvironment protection from drilling mud haven issued by more and more countries. Drilling mud cleaning equipments become more and more important for well drilling .

drilling mud cleaning equipment

drilling mud cleaning equipment

 GN drilling mud cleaning equipments including shale shaker, mud cleaner, desander, desilter. The mud cleaner is combination of desander and desilter, desander is composed of 8 inch/ 10 inch/12inch hydrocyclones with 1.0m2 screen area shaker. Desilter is composed of 4 inch polyurethane cyclones with 1.0m2 screen area shaker. Desander cone of polyurethane or cast iron material is available. Polyurethane ( PU) cone is a kind of super wear-resistant materials.

 During drilling, cuttings are obviously created, but they do not usually pose a problem until drilling stops because a drillbit requires replacement or another problem. When this happens, and drilling mud are not used, the cuttings then fill the hole again. Drilling mud are used as a suspension tool to keep this from happening. The viscosity of the drilling mud increases when movement decreases, allowing the fluid to have a liquid consistency when drilling is occurring and then turn into a more solid substance when drilling has stopped. Cuttings are then suspended in the well until the drill is again inserted. This gel-like substance then transforms again into a liquid when drilling starts back up.

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written by GN Desander Desilter \\ tags: , , , , , ,

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