What are the common operating methods of electric drill
bits? According to the different scope of application, electric drill bits can be divided into geological electric drill bits, coal mine electric drill bits, petroleum electric drill bits, engineering hydroelectric drill bits, etc., although the outer tube and purpose are different, but because of their basic The structure is the same, so the operation method is the same, and the commonly used methods are relatively easy to master. 1, drilling cleaning operation It can also be called the sweep drill of the electric drill bit. Using the outer diameter gold drill electric drill bit, the inner wall of the electric drill bit can be smoothed and some small damages can be removed. At the same time, the cuttings at the bottom of the broken hole can be transported to the surface through the well flushing fluid. 2. The hole wall formed by pipe work for drilling tools is easy to collapse, and it is difficult to solve the problem of buried short casing. Use the electric drill bit and the effective part of the tube to collapse the hole to help the small drill continue the drilling operation. 3. Electric drill bit percussion drilling In arid areas where water resources are severely scarce, it is almost impossible for electric drill bits to perform water circulation drilling. In this case, it is more appropriate to use an electric percussion drill bit for percussion drilling. Although the drilling cost is increased, the drilling efficiency is still relatively high. 4. When the electric drill bit reaming operation is buried in the drilling tool, it is interrupted and other drilling encounters failures. Sometimes the method of reaming drilling will be adopted, that is to say, on the basis of the original drilling, a greater degree of gold and diamond electric drill bits will be used. Used for drilling, and wrong drilling tool and core can be retrieved together. Drilling workers should choose the method that suits them according to their own drilling skills. The actual drilling method during use is more difficult than that of the electric drill manufacturer. In the above example, especially when encountering drilling failures, the new captain with insufficient experience cannot try it. It is the best policy to seek help from the old captain in time.
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