Mud purification and recovery unit maintenance and operation precautions

Mud purification and recovery equipment is important process equipment for drilling operations. In the drilling process, if the mud purification effect is not good, the mud containing a large number of cuttings flows back into the wellbore, causing repeated crushing or residual bottom hole, which not only aggravates the wear of the drill tool but also Will affect the mud wall protection. Can. Therefore, the drilling company should pay attention to the maintenance and maintenance of the mud purification equipment to ensure the purification effect.

For many years, government and environmental regulations have been the main market drivers for mud systems as drilling fluid treatments have become more stringent. But manufacturers have also pointed out the cost-effectiveness of recycling and recycling mud. The mud purification and recycling unit manufacturer provides some tips on how to properly care for the mud recovery system.

Mud purification and recovery unit

Operation and maintenance of wearable parts

Dewatering screens are the most vulnerable components of the entire machine. Reducing the loss of the screen can increase the life of the mud purification unit. In an abrasive environment, operators can use higher quality screens to avoid frequent replacement of the screen. In environments with less abrasiveness, a lower quality screen may be sufficient. The micron rating of the screen is also a factor. When the material wear is high, two sieve plates can be used.

The operation of vibrating screen, vacuum deaerator, desander, desilter, centrifuge, sand pump, replenishment pump, mixing funnel, shear pump and centrifugal water pump shall be in accordance with the instruction manual. Special attention should be paid during use. The mud returned from the wellhead should be treated by vibrating screen, deaerator, desander, desilter and centrifuge in turn, otherwise the next level of purification equipment will be overloaded and will not work properly.

Mud purification and recovery unit supplier

When using the cyclone mixing funnel, the feeding butterfly valve should be closed first, and then the pressure mud should be introduced. After the pressurized drilling fluid is normally discharged from the outlet, the feeding butterfly valve is opened to perform the feeding operation. If the discharge is not smooth or the blockage occurs, it should be reduced or Stop the feeding operation and eliminate the fault in time. When a well is finished or stopped, attention should be paid to open the sweeping pipe, so that the cleaned water can clean the medium pressure mud pipeline and the flocculation pipeline, so that the pipeline will not be blocked and kept unblocked.

Precautions in the operation of the mud purification system

The agitator must be filled with lubricating oil before use. The amount of lubricating oil is filled according to the oil standard. The direction of the agitator motor must be checked and reverse rotation is strictly prohibited. Check for loose screws in the flanges of the mud mixer blades and reducer flanges.

Before using the sand pump, it must be checked whether the grease nozzles are filled with grease. The oil cup indicates that the oil level cannot be lower than 45mm. Check the running direction of the motor and do not reverse it.

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