1. Faults in the use of drilling machinery:
Directional sidetracking technology is adopted for economic exploration of oil and gas reservoir. Using the New Cobalt block at the side of the original well can greatly improve the oil well production, reduce investment and make full use of the old wells: drilling deviated wells, horizontal wells and multi bottom wells with the original well hole, increasing the percolation area of the oil layer, expanding the production range and improving the oil production capacity of the oil well and the oil recovery of the oil field.
Secondly, mechanical imbalance. For example, the pressure is too low, the pressure is too high, the clearance is too small, the use frequency is too high or too low, the stroke is out of balance, etc.
Third, mechanical blockage and leakage. Such as blockage, air leakage, water leakage, electric leakage, oil leakage, etc. Fourth, functional failure. Such as hidden failure, performance degradation, overheating, etc. If these faults are not eliminated, it is very easy to cause accidents.

2. Maintenance of petroleum drilling machinery and equipment:
As we all know, the drilling machine is very worn and needs to be maintained when it is not in use, so the daily maintenance and repair of the drilling machine is a very important problem. Therefore, strengthening the maintenance of oil drilling machinery and equipment can give reasonable play to the effectiveness of the equipment, maintain and repair, prolong the service life of the equipment, and ensure the long-term and stable operation of the equipment. Therefore, it plays an important role in improving production efficiency, reducing drilling production cost and improving engineering quality.
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