In actual use, rotary drilling rigs, while bringing great convenience to some construction projects, also encounter various problems during operation. For instance, the inability to drill with a rotary drilling rig. A decrease in drilling speed can affect normal construction and reduce work efficiency. What are the reasons for the slow drilling speed of a rotary drilling rig? What causes this? How can we solve this problem?

To solve the problem of slow drilling speed of rotary drilling rigs, it is necessary to start with cause analysis. The main reasons for the slow drilling speed of rotary drilling rigs are:

1. Incorrect selection of drill bits, severe wear of the blades, and too shallow soil. As is well known, the drill rod and drill bit are the most important parts of a rotary drilling rig. Incorrect selection will inevitably affect work.

2. The specific gravity of the mud is too high, and the drill bit is filled with clay, which will make it difficult for the drill bit to be stressed, difficult to drill, and slow down the drilling speed.

Methods to prevent the reduction of drilling speed of rotary drilling rigs are:

1. Replace or modify the drill bit, rearrange the tool angle, shape, and arrangement direction, and reasonably select the rotary drilling rig drill bit.

2. Clean the drill bit, reduce the specific gravity of the mud, or change the drilling method.

In short, if you want to improve the drilling speed of the rotary drilling rig, the selection of the drill bit is very important. You must choose the suitable rotary drill bit in combination with geological and other factors to ensure work efficiency.

What are the methods to identify the deterioration of oil in rotary drilling rigs:

The methods to determine the oil of rotary drilling rigs. The main power source that maintains human vital signs is blood. Oil is like the blood of a wheel drilling rig. Thick blood will affect people's health. Deterioration will also affect the performance and service life of the rotary drilling rig engine, so it is still necessary for everyone to master the methods of identifying oil deterioration.

First, take out some used oil from the drilling rig's oil tank and repeatedly twist it with your fingers. Quality oil feels smooth and frictionless. If you feel particles, then the viscosity is poor. If it feels astringent, it means the oil contains a large amount of iron filings and sludge, and it should be cleaned or replaced in time.

Second, smell the odor, take out from the wheel drilling rig's oil tank with an oil gauge, if it is deteriorated, it will produce a strong sour smell; when exposed to strong light, quality oil is transparent and without impurities. If there are many impurities in the oil drop (such as iron filings), it needs to be replaced.

Lastly, check the color, and then drop the oil from the drilling rig onto flat tissue paper. Wait until the oil seeps in and observe the oil condition. If it shows a dark brown color, it means it has been used for a long time. If it feels powdery, it indicates impurities; quality oil is yellow and smooth to the touch.

Manufacturers of rotary drilling rigs may not have a deep experience. Drivers who drive rotary drilling rigs know that each refueling is a significant expense, so maintenance and fuel-saving of the drilling rig are equally important.