do you know? The oil extraction process is quite complicated, and there is even a pipeline that is constantly spitting fire. What is going on? Oil is generally buried under the ground. If you want to find oil, you must use three-dimensional seismic detection technology, which use

do you know? The oil extraction process is quite complicated, and there is even a pipeline that is constantly spitting fire. What is going on?

Oil is generally buried under the ground. If you want to find oil, you must use three-dimensional seismic detection technology, that is, use seismic waves to distinguish the underground situation. This can very clearly determine whether there is oil and natural gas underground. The existence of resources such as . When the existence of oil is confirmed, professional geological surveyors and mining personnel need to inspect and evaluate the oil field to determine whether it has the value of industrial extraction. Only after the answer is confirmed, the work of extracting oil will begin. The first step is to determine the location of a borehole and the required depth and size. After the data is determined, it is time for the drilling rig to come on stage. As the drilling rig goes deeper, it is necessary to put pipes down at the entrance of the hole to ensure that the rock wall at the entrance of the hole will not collapse. Wait for the problem, and then the drill will move along the established track and break through the rocks to reach the oil layer.

The problem that needs to be solved at this time is how to make the oil reach the ground from bottom to top. There are currently two methods. One is to use the pressure of the oil layer, because the oil layer is generally located in a deeper position in the formation and has greater pressure. When drilling does not reach this position, all pressures tend to a balanced and stable state. When the balance is broken instantly after drilling, the oil will find another channel, that is, the drilling hole, due to pressure, and spurt out in large quantities.

The second method is to inject water and pressurize, which is based on the first method. Because the amount of oil will become less and less, the pressure will also be affected, so at this time the driller will start to drill another pipe from near the drilling hole, and then inject water into the pipe to fill the oil that has been sprayed out with water. Space, the pressure will slowly return to its original intensity, and then the remaining oil will erupt again by breaking the balance. The process of extracting oil is very difficult. In addition, there is a pipeline at the site that is always in a state of fire. This is also one of the mysteries of oil extraction.

What is the purpose of the pipes that are always burning in oil extraction? Aren't you afraid of danger if an open flame appears?

In fact, it is not oil that keeps this pipeline on fire, but natural gas, which is also a rare resource. Maybe many friends have begun to wonder, why is there natural gas on site even though oil is being mined? This is related to the formation of oil fields. Although we refer to the places where oil is extracted as oil fields, it does not mean that there is only oil in the oil fields. There is often some natural gas in these oil fields. Oil and natural gas often coexist in the same area. If the oil content is high, the area will be called an oil field. Otherwise, it will be called a gas field. If the content of oil and natural gas is similar, then this area will be called an oil field. Areas are called oil and gas fields.

So this is a good explanation. The oil fields will be accompanied by some natural gas, and the burning pipelines are always burning natural gas. But natural gas is also a precious and rare resource. Why is it not utilized, but instead burned up? This is because the main purpose of mining an oil field is to obtain oil. The natural gas present in the oil field is only a small part. If you want to collect this part of the natural gas, you need to equip the oil field with a complete set of equipment for extracting oil. A set of equipment for natural gas extraction also requires additional relevant technical personnel. The cost is very staggering. Just for these small amounts of natural gas, it is really not worth the gain.

For the same reason, if it is a specialized gas field, the relevant departments will mainly focus on extracting natural gas. The small amount of oil will not spend huge sums of money to extract it, because it has no industrial mining value. Therefore, the purpose and main tasks of mining work will be adjusted in time according to the oil and gas content.

Although the natural gas in the oil fields has no mining value, then why should these natural gases be "destroyed"? Why use a pipeline to burn natural gas from an oil field?

Natural gas is also a relatively dangerous substance. When natural gas and air are mixed to a certain proportion, they will explode directly when exposed to an open flame. In this case, it would not be very dangerous if there is a burning pipe on site. In fact, this is not dangerous, but can better ensure the safety of the scene. Because if natural gas is mixed with air, it will produce many unstable and dangerous factors, and open flames such as sparks from drill bit friction will inevitably occur during on-site operations. If the natural gas is not treated in advance, there is a real risk of explosion at any time. . Therefore, in order to prevent problems before they occur, we chose to artificially burn the natural gas first, so that there is no chance for the natural gas to be mixed into the air.

Moreover, natural gas is sometimes accompanied by a kind of hydrogen sulfide gas. At low concentrations, it will irritate the human respiratory system and eyes. At high concentrations, it will have a very obvious reaction on the whole body. The central nervous system is seriously affected, and symptoms such as suffocation may even occur. There are not a few cases of poisoning due to inhalation of hydrogen sulfide gas in our country.

Therefore, burning the small amount of natural gas existing in the oil field is the most sensible method. With the continuous development of science and technology, the processing methods of natural gas in oil fields are also being upgraded and improved. At present, our country has established a set of devices for natural gas recovery. This device uses the "self-use plus power generation plus export" model, that is, A part of the natural gas is collected and recycled to meet the power generation needs of nearby areas, and the device can also increase the amount of natural gas collected and reserved, so the benefits of setting up such a natural gas recovery device in the oil field are greatly improved. Perhaps in the future, burning pipes will no longer be seen at oil extraction sites. Instead, resources will be fully recycled so that all energy is not wasted and the earth can be better protected.