More than 70% of the earth's environment in which humans live is the ocean. There are huge amounts of valuable resources under the ocean that occupies a large area advantage of the earth. Many valuable resources are located under the deep sea, such as oil and gas resources. The a

More than 70% of the earth's environment in which humans live is the ocean. There are huge amounts of valuable resources under the ocean that occupies a large area advantage of the earth. Many valuable resources are located under the deep sea, such as oil and gas resources. The amount under the deep sea exceeds one-third of the total oil and gas resources on the earth.

However, deep-sea resources are often difficult to be exploited and utilized by humans due to geographical location issues, so that humans have to specifically study the corresponding scientific and technological products. In order to obtain deep-sea oil and gas resources, humans invented a drilling platform.

From a human perspective, the drilling platform is very huge, but when it is built on the sea surface, it only becomes a "drop in the ocean" compared with the vast sea surface. What is curious is that the ocean is so deep and the sea is surging, how can the huge drilling platform be fixed and maintained for mining?

drilling platform can be fixed and completed on the sea surface, mainly due to its own performance. Due to different types, the functions are also different. There are three main types of drilling platforms. The first type is " jack-up drilling platform ". Its appearance is like a tower, which is similar to the appearance of a telecommunications tower. The reason why this platform can be stabilized on the sea surface is mainly due to several "long legs" that can play a fixed role. After determining the mining location, several pile legs of the drilling platform will extend into the seabed and take root steadily.

. This type of product is directly rooted in the seabed, so it is relatively stable, but its disadvantages are also obvious. On the one hand, it can only reach a depth of 76.2-91.44 meters, so it is more suitable for offshore mining near the shore. Usually, it is difficult to remove after the mining work and can be left in the local area for other subsequent purposes.

The second type is " semi-submersible drilling platform ", which is fixed by anchors, anchor cables and anchor chains , etc., just like a ship can be anchored in the center of the sea, it is almost the same principle.

working method is to work with many operating ships. Generally, the working ship drags the platform to the mining site. After arrival, the anchor chain weighing tens of tons or more will be thrown into the sea. The way of anchoring also needs to be scientific and must be radially anchored.

For platforms that are already on the sea surface, they have been exposed to an unobstructed environment. Only by adopting this kind of anchoring method can we effectively resist the strong winds and waves in different directions on the sea surface, keep the platform in a relatively stable state, and is more conducive to the progress of mining work. Although

is more convenient than the first platform and realizes the advantage of "free travel", the water depth that this kind of drilling platform can achieve is relatively limited and is suitable for mining in sea areas of 200-300 meters.

Although it has been continuously upgraded with the continuous advancement of technology, so far, the depth that can be achieved by using combined chains is less than 900 meters.

The third type is also called the "powered semi-submersible platform". Although it is the same as the second type, the difference is that the third type is not only a power system, but also a positioning system.

That is to say, there is no need for work boats to drag. This platform can reach the mining location by sailing through its own power system and precise positioning.

The reason why this platform can be very stable on the sea surface is mainly because the huge thrusters under the platform can stabilize the shaking of the sea breeze and the erosion of the sea water, thereby achieving a relatively stable state.

This kind of platform can be mined in sea areas with a depth of more than 1,000 meters without the assistance of "long feet" or "anchor chain". Its own power system can effectively resist the strong winds and waves on the sea surface by timely adjusting the direction, allowing the platform to stand firmly on the sea surface.

Since the types of drilling platforms are different, what is the technology of China's drilling platform? According to CCTV News, my country's drilling platform " Blue Whale No. 1 " is the world's largest and deepest drilling semi-submersible offshore drilling platform.

It is reported that its area is equivalent to the size of a football field. It is 37 floors from the top to the bottom of the ship. Its own weight reaches 42,000 tons and the construction cost is nearly 700 million US dollars. You should know that this cost can already purchase two large Airbus A380 aircraft.

And "Blue Whale 1" can become the world's best not only because of its "large enough" and "drilling depth", but also because of its drilling technology and efficiency. Other drilling platforms are a drilling tower and a drilling system, while "Blue Whale 1" is a "double drilling tower" and "two drilling systems".

It should be clarified that the double tower and dual systems are not for "one use and one preparation", but are drilling operations at the same time. The two wells work at the same time, drilling on one side and taking over the other side, and the drilling efficiency is directly increased by more than 30%.

After "Blue Whale No. 1", my country has created another world number one, which is to successfully create " Blue Whale No. 2 ", which is even better than "No. 1".

It is worth mentioning that China's two major offshore drilling platforms are not only large enough, drilling is deep enough, and working efficiency is fast enough, but also have a high safety factor.

As we all know, the most feared thing about drilling is to encounter blowouts, especially oil and gas drilling. These two major platforms in my country have installed underwater blowout preventers to ensure that while obtaining valuable resources, it can also maximize the safety of staff's life.