Since the beginning of industrial development, oil has become an indispensable resource for every country, but oil is basically buried in the ground. If we want to obtain oil, we must drill and mine. Do you know how many meters of oil is underground? How did the drilling tool get here?

For a long time, oil has been known as the "blood" of industrial development, and its appearance has made industrial development change with each passing day. However, we all know that oil is a non-renewable resource. This is what we often call non-renewable energy. It is formed in nature after hundreds of millions of years and cannot be recovered in a short period of time. With large-scale development and utilization, the reserves will become less and less until exhausted.

However, there are currently two theories about the formation of oil. One is that ancient creatures were buried in the soil after death, and then formed after a long period of compression and heating. Another argument is that oil is produced through rock formations, and scientists generate electricity. The crust is rich in carbon, and they naturally form hydrocarbons, which are radioactive inside the earth to produce oil.

We all know that oil is buried deep in the ground, but do you know how many meters it is in the ground? In fact, most of the distribution of oil is in the crevices of the rock layer, and there is no fixed place, so it is very likely that there is oil distribution in the entire crust. Most of the early oil was discovered at a depth of less than 3,500 meters, but with the continuous upgrading of technology in recent years, the "shadow" of oil has also been discovered at a depth of several kilometers.

Speaking of which, we can't help but wonder, how long are the tools for oil drilling? How did you dig a hole thousands of meters deep? Could it be that the drilling tools are several kilometers long?

We can see that in order to extract oil, a tool needs to be used to dig a hole in the ground. The position of this hole is determined after survey and calculation.

In the process of drilling, it is not as we imagined that the tools go deep into the ground for several kilometers. Most of them use the percussion drilling method, rotary drilling method and rotary percussion drilling method. Among them, the impact drilling method is relatively backward, and the work efficiency is relatively slow. It is basically not used now. The most commonly used is the rotary drilling method, which uses the drill bit to continuously rotate and drill. The drill bit applies pressure to cut through the rock. The last rotary drilling method is a combination of the first two, adding an impactor to the rotary drilling rig, but this method is mostly used in hard rocks and deep formations.

The reason why the drilling tool can go deep into the ground for several kilometers is that in addition to the excellent drill bit, the more important thing is the drill pipe. This is a very cumbersome process, but it is the best solution in oil drilling, so that the oil drilling can freely reach the desired depth.