Yandu most people take pride in, which is known as the world's population was first proposed by an artificial super-km deep well drilling. It drilling technology, can be called in the world. This well is located in the Xiangjiaba Yamashita Nguyen Da-an District, covers an area of 3 acres, well-altitude 341.4 meters, in a long-Yan Tang called the Next to the pond. The open wells drilled in the Qing dynasty 15 years (Year 1835), which lasted 3 years, the tenor Zaocheng. 1001.42 meters depth, both brine production and gas production. At that time, the amount of brine from the jet about 14 cubic meters per day, and be able to Nissan 4800-8000 cubic meters of natural gas for 14 tons of salt Combustion. According to records, when the wells drilled into the sea 11 years later, Russia's Vladimir Semyonov were drilled in 1846 has become shallow wells, produced a small amount of oil wells. 13 In a few years later, Dirac only in the United States in August 1859, 21.69 meters drilled into a deep well, but only from the well produced 1.8 tons The oil wells. In view of this, the Chinese nation is not only a hard-working and brave people, and have proven track records in the world of intelligence. Sun sea wells drilled, not only opened a piece of the Jialing River Ji-Triassic limestone formation of the secret area, and as a result of this Xingshi salt, salt gentry and merchants all over the territory, set up drilling , King 1:00 busy city. 1.2 square kilometers around the area, drilling has 198, an average of 6060 square meters will have a well presented, "Crane" the proliferation of clouds cookstoves, depending on the vertical and horizontal tubes, steam fog cloud Wei, one of the bustling Well Salt Production image. Sea-sun well focus changed its name several times, for the first Yuan-chang , Ronghua stoves, kitchen Qianyuan, just four stoves, have been renamed after the benefits of the new focus in mind Germany, with the sum of the new focus in mind, the mind-sen with the kitchen, with the mind-sum benefit stoves, kitchen and Germany Star, Fu Tso-yi with the mind , Credited with building sum of kitchen stoves 7. 150 years ago has such deep well, then gradually reduce the amount of brine, and dried up, but Natural gas layer has "replaced", is being broken for the Nissan 8500 cubic meters. Vicissitudes of life on earth, until the 1950s, sea wells as a result of reduced production, pressure and lack of production. On the exhaust later, with the exhaust pipe, the gas will be sent to the Zaofang for the current round of eight on the salt pan fried, there are a number of class Public Works operations, ban production of about two tons of crude salt. In 1988, the sea-sun well as an official of the National People's Sichuan Province have been focused on the protection of cultural relics. Well, a new kitchen repair and restore to the time when the cattle learn the brine, use of low-pressure natural gas wells producing salt, boil the real scene; Weiran it retains the stand, with a log, System from the cable bundle, as much as 18.3 m "Crane"; the use of leverage by the number of people in the foot pedal step on the shelves pestle impact of drilling wood frame pestle. The Salt of the ancient ruins of the old opening to the outside world for foreign visitors. Zigong City, Sun Park, the history of the sea Well Salt former Sun Yat-sun, sea and the sea park well be extended integration Into a cloth is located in Zigong city in the central area of the northwest edge of the city around the four main roads and highways should be linked with, in addition to the Kingdom of Zigong Dinosaur Park, Lantern Park, the West Hall, and other online travel, location, convenient traffic . North and South Park 500-700 meters wide from east to west is about 1700 meters Planning for the total 100.45 hectares of land, the city of Zigong is the major tourism projects.
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