Doomsday Bunker Upgrade

The drilling rig has stopped at this time, and several workers are surrounding the drilling rig and pulling out the drill pipe piece by piece.

At the same time, steam is already coming out of the drilling position below the drilling rig, and the hot spring is constantly spraying water upwards, making the scene cloudy and foggy.

Chen Xin and Cao Daren came to the drilling rig and watched the wellhead below gushing hot water continuously. Chen Xin asked Cao Daren in surprise, "Have you measured the water temperature? What is the temperature?"

"The water temperature is more than 70 degrees, which is very hot." Cao Daren was also very excited at this time, and while answering to Chen Xin, he also introduced the situation: "I had a hunch that the water was going to come out today after the drill bit exceeded 400, so I paid special attention. After a while, sure enough, I encountered a rock formation below, and after it was penetrated, water began to come out."

Chen Xin was very happy to hear Cao Daren say that the water temperature is more than 70 degrees. High water temperature means abundant thermal energy, which can provide more heat, which is very good for a heating hub. news.

However, looking at the gushing hot spring water, Chen Xin was also a little worried, and asked Cao Daren, "Will this water continue to spray? If it continues to spray, will the later construction be affected?"

"Don't worry, the writer, the water pressure is not high. The reason why the water is spraying now is because the aquifer has just been broken, and the pressure has a process of releasing, and there is a drill bit in the casing that is driven down, so the water can be sprayed only when the space is small. Come out, after the drill is pulled out, the water won't spray like this, and you can plug it with a lid." Cao Daren knew this very well, and quickly explained it to Chen Xin, dispelling his doubts.

At this time, the researchers also knew that the hot spring had been drilled and rushed over. Looking at the hot spring water that was gushing continuously, they were excited and asked Chen Xin: "Mr. Chen, I have seen your design drawings, the heating hub. The hot water inside should be circulated, right? Is it necessary to drill a water injection well?"

For the extraction of geothermal resources, of course, it is impossible to just drill a well and keep pumping. Although Hunan Province has abundant groundwater resources, it cannot withstand such use.

Under normal circumstances, the utilization of geothermal resources is circulated through two wells. One well is used to extract groundwater to obtain heat, while the other well is also driven into the underground aquifer, and is connected with the water intake well underground. After the hot water is released, it is re-injected into the ground through the water injection well to realize recycling.

"The water injection well must be drilled, but where and how to drill the water injection well, we still need the guidance of professionals. This matter is not urgent for the time being." Chen Xin naturally knew that the water injection well was to be drilled, but this matter was in no hurry.

Water injection wells are not like water intake wells, as long as the aquifer is driven into the aquifer and water can be produced, it is done.

Because the pumped groundwater is to be re-injected into the ground to form a circulation with the water intake well, the location of the water injection well must be located in the same aquifer as the water intake well, and the trend, geology, and size of the aquifer need to be analyzed when positioning. There are many factors such as area and whether it is permeable. It is not a simple matter of drilling a hole every few hundred meters away.

This is one of the reasons why Chen Xin said that he needs the help of geologists. This kind of professional analysis really needs real professionals.

Chen Xin was discussing with the researchers about injecting the well, while Cao Daren was more concerned about the construction.

Seeing that the drill pipe has been pulled up from the ground, the hot hot spring water is still gushing out, and it will not stop for a while. Cao Daren asked the workers to continue the construction, but he asked Chen Xin: "Writer, now that the well has been tapped, what do you think we will do next?"

"Next..." Chen Xin habitually raised his hand to touch his chin, but his hand touched his face mask, so he could only helplessly put it down before saying, "Then wait for the water to stop spraying. , let the workers clear the snow around the well, and prepare to start building the frame, and there is no need to clear too many places, just dig around the derrick so that the ground can be seen, and it is convenient to lay the foundation later.”

"Are you going to start building a heating hub?" The researchers on the side heard what Chen Xin said, and immediately understood what Chen Xin wanted to do next.

Chen Xin nodded and answered affirmatively: "Yes, clear the snow, lay the foundation of the heating hub, and set up the scaffolding for construction, and then I only need to combine and install the parts I have made. Just fine."

Knowing Chen Xin's arrangement, neither the researchers nor Cao Daren raised any objections, but Cao Daren still raised a question to Chen Xin: "Writer, after you build this heating hub, it will be used to melt snow. Right? Then there must be a lot of standing water here, and there is no water injection well, this water intake well must be pumping water continuously, and the discharge of this water is also a problem, right?"

"You don't have to worry about the discharge of the pumped water, 'Master', I will wait for the water injection well to be drilled, and the whole equipment can be cycled before starting it. Now try the machine at most, in that case, it's okay to discharge it directly. ." Chen Xin naturally also considered this kind of thing, and did not intend to drain the water everywhere.

However, Cao Daren mentioned that the drainage after the snow melts is indeed a problem that needs attention. The location where they dug wells to build the heating hub is in the square in front of the station of Linshi Railway Station, but it is limited by the size of the railway station. In addition, the purpose is to clear the snow in the railway station. When the heating hub starts up, the snow melts, and the biggest possibility is to flow along the gully where the rails are located, and the railway is likely to freeze at that time.

This is not a trivial matter. If the rails freeze, it will cause a serious accident of train derailment.

So drainage is something that must be considered.

"About the problem of drainage... How about using a pump to pump it out and then discharge it to other places?" Cao Daren's idea is relatively simple, and of course it is more practical: "Anyway, it is frozen in the sky and snow, and it will freeze instantly when it is directly discharged, and there will be no What a big impact."

Hearing Cao Daren's idea, Chen Xin and the researchers felt that this method was feasible, but they always felt that something was wrong.

The researchers thought for a while and said, "Isn't it bad for such direct emission? According to Mr. Chen, the heating field generated by the heating hub can cover a radius of 200 meters, and it is calculated based on the thickness of snow that is more than ten meters. , This is already the size of a small lake, if so much water is discharged at will, I am afraid it will not freeze an iceberg, I think we can find a way to make use of it."

There's a lot going on in the New Year at home.