What is drilling mud
Drilling mud is mud used to drill boreholes into the earth, often used while drilling oil and natural oil and gas wells, and also for much simpler boreholes such as water wells.
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How it works
In a drilling rig, mud pit through the drill pipe, where pump sprayers when drilling, cleaning and cooling the drill in the process. The mud then leads to a fragmentation or carved rock, the annulus (ring) between the drill pipe and walls of the hole will be drilled from the surface of the shell.
The graft is then either slate or shale shaker of the new transmission filter and mud, the mud pit. The mud pits were designed so that the settlement of holes, so that the fines, and if treatment is done by adding liquid chemicals and other additives for the liquid.
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The return of the sludge can contain gas or other flammable substances that accumulate in and around the vibrating screen transfer, or in other areas. Due to the risk of fire or explosion when ignited, special sensors to monitor and Ex is certified systems are installed properly, and the employee is to take safety precautions.
The sludge is spread and then into the hole. After the test at regular intervals, the sludge is treated in the pit of sludge to improve properties and to optimize drilling efficiency, the stability of boreholes and ensure all other requirements below.
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What the drilling mud’s main function
Remove cuttings from well
Suspend and release cuttings
Control formation pressures
Seal permeable formations
Maintain wellbore stability
Minimizing formation damage
Cool, lubricate, and support the bit and drilling assembly
Transmit hydraulic energy to tools and bit
Ensure adequate formation evaluation
Control corrosion (in acceptable level)
Facilitate cementing and completion
