On the wall of the perimeter of Changfeng's room is a medium-sized map of China, 1:5 million scale.

After He Cheng said goodbye, he stood in front of the map and examined it.

The map, which bears the title "Panorama of the Emperor and Ming Dynasty," is largely identical to the so-called begonia leaves, but there are still some differences along the long northern border.

For example, in the great northwest there is no Tangutua, and a small piece is missing; In the direction of due north, there is a protruding piece, and it is bounded by the Beihai Lake, that is, the Lake Belga, which is the Tsarist Russia; To the northeast, it is almost the same as the Nuergandusi, where there is a small oil extraction base.

In later generations, there was a strange argument that "if it were not for the Qing Dynasty, the Han Dynasty would not have been able to collect Tibet, Mongolia, and Xinjiang" in order to advocate the merits of the Qing Dynasty.

However, this is very absurd, because what he did was essentially to maintain the rule of the dynasty, and the unity of Manchu and Mongolia was the foundation of the Qing Dynasty.

And because of the profound influence of Tibetan Lamaism on Mongolia, Tibet must be mastered. But if you want to occupy Tibet safely, the territory sandwiched between Tibet and Mongolia must also be taken.

The three are interlinked, either all or nothing.

And this is also applicable to the Han dynasty, the northern border troubles and the maintenance of rule are contradictory, if you want to solve it once and for all, you must also take Tibet and Xinjiang.

In fact, the Ming Dynasty has made great efforts in this regard, and even found the right method. The alliance flag system implemented by the Qing Dynasty in Mongolia can actually be found in the Ming Dynasty, and the Mongolian tribes were also organized as guard posts in the early Ming Dynasty to facilitate control.

Since the Song and Yuan dynasties, there have been endless wars, and the population of the early Ming Dynasty has shown great imbalance, and the population in the northern region is pitifully small, which can be said to be a huge hole that is difficult to make up.

When the northwest was recovered in the early Ming Dynasty, there was almost no man's land, for example, there were only 830 households in Ganzhou; Moreover, such a scarce number of people also lived in a mixed Hu and Han manner, and even the Ming army needed to hire guides and translators to advance.

Until more than 20 years after the founding of the People's Republic of China, the total population of Shaanxi and Gansu was only 1.6 million, and the population density was only a pitiful seven people per square kilometer.

【Population density distribution map of Ming Dynasty】

This seriously affected the Ming Dynasty's operation and expansion in the northwest, and after the population of the northwest gradually recovered to the level of tens of millions, the Ming Dynasty was already in the late stage of decay.

Therefore, the Qing Dynasty and the current Later Ming Dynasty actually stood on the shoulders of their predecessors in this regard.

At the end of the Ming Dynasty and the beginning of the Qing Dynasty, despite the continuous natural and man-made disasters, the population of Shaanxi and Gansu provinces still exceeded 20 million, and the huge army did not need to worry about the loss and risk of marching in the desolate and uninhabited area.

At the same time, because there was no influence of the rebellion of the three feudatories, the progress and efficiency of the Later Ming Dynasty's recovery of the Western Regions were faster than that of the Qing Dynasty.

Because the Dzungar Khanate only reached its peak in the early 18th century, the Qing Dynasty missed the best opportunity to nip it in the bud due to the rebellion of the three feudatories. After its rise, it would be troublesome to solve it, so it dragged on for a total of 70 years, and it was not until the Qianlong period that it was pacified.

Later, in 1684, the Ming Dynasty launched a strategic offensive, launching three expeditions before it grew into a nomadic empire with both firearms and mounted archery, and after 11 years, it was solved before it grew into a nomadic empire with both firearms and mounted archery.

As for Tibet, it was a matter of course, and the Hoshut Khanate was barely able to organize effective resistance and soon collapsed.

At this time, Zhou Changfeng's mind returned to oil.

In his memory, Kuyi Island, which was formerly known as Kuyi Island, is now known as Kuye Island, where oil production is about 200,000 tons a year.

This output is not much, not comparable to the million-ton Yumen Oilfield, let alone the Karamay Oilfield, which is close to two million tons.

In fact, what is interesting is that Zhou Changfeng did not find Karamay after looking for a long time on the map at the beginning, and his memory was also vague about it, and then he knew that the name of Karamay in the Ming Dynasty was "Yanzhou".

At that time, the exploration team of the Ministry of Industry successfully drilled the first test well here, and everyone called this place "Xuanzang", which means black treasure. However, in the process of word of mouth, it was mistakenly circulated as "Xuanzang", and as a result, after being linked to Tang Seng, the folk soon spread rumors that it was the Flame Mountain, and various newspapers rushed to report it.

After preliminarily determining that there was a big oil field there, the emperor was also very happy and gave it a name with the word "Yan", and this seems to be a certification from the side that this is the Flame Mountain?

"If the Daqing Oilfield can be exploited and put into production, it will probably be able to laugh behind closed doors and watch the world fight." Zhou Changfeng's gaze fell on the northwest side of Anning Mansion.

Anning Mansion is also Harbin, and the location of the Daqing oil field is 150 kilometers northwest of it.

However, Zhou Changfeng knew that this was his wishful thinking, because the difficulty of exploitation and refining of the Daqing Oilfield is second to none - its average depth is 1,300 meters, and the quality of the oil is not good.

Historically, in order to develop the Daqing Oilfield, more than 1,000 experts, 50,000 workers, and 70,000 tons of equipment and equipment were used.

In fact, with the beginning of large-scale industrial construction in the post-constitutional Ming Dynasty, the demand for energy is also rising, although coal resources are quite abundant, but the more important oil is very poor.

At present, the accepted geological theory believes that oil is generated by the corpses of marine organisms buried underground by high temperature and high pressure in ancient times, so large oil fields can only be found in the strata that were oceans in ancient times, which is the theory of marine oil.

Many parts of China are on land, so it is theoretically believed that China's oil reserves are pessimistic.

Despite this, the Ministry of Industry continued to send exploration teams to the Tohoku region, and some foreigners who supported the theory of terrestrial oil formation also came to investigate.

The year before last, an exploration team of the Daming Chongsheng Petroleum Company discovered oily sand in a depression near a village in Anning Province, and this discovery immediately detonated world public opinion - is this to subvert the rhythm of existing geological theories?

However, the Daming National Oil and Gas Company and the Chongsheng Petroleum Company drilled seven test wells in succession in half a year, ranging from 400 meters to 1,000 meters in depth, but none of the wells succeeded in producing oil, and only one 800-meter-deep well found viscous oil-bearing sand.

As a result, the news of "suspected discovery of oil fields in continental terrain" went down all of a sudden.

After Chongsheng Petroleum returned home, several engineers and geologists at Daming Oil & Gas decided that success was only one step away. So after negotiations, the American Sun Oil Company and the Nobel Drilling Company offered themselves to take over the plan.

In this era, it is quite difficult to drill wells of more than 1,000 meters, and the technology of most countries in this area is relatively weak, so the Americans have more experience.

In short, after several twists and turns, in the late spring of this year, the joint drilling team successfully broke through the oil layer, and the No. 3 well with a depth of 1,300 meters gushed out industrial oil flow, thus announcing the subversion of the marine oil theory.