On January 20th, under the meticulous maintenance of marine patrol boats and 5 high-horsepower tugboats from the maritime departments of Nantong and Changshu, Jiangsu, China Merchants Heavy Industries (Jiangsu) Co., Ltd.'s newly built "CMHI-182" mid-deep water semi-submersible drilling platform left The dock is towed out of the river from Jiangsu.
The drilling platform is called a "Big Mac", with a total length of 111.5 meters, a width of 75 meters, a draft of 7.3 meters, and a maximum height of 99 meters above the water.
This towing operation adopts the method of the main tug towing in the front and the two auxiliary tugs pushing in the rear. The entire formation is 418 meters long and the navigation environment is complicated. It is the longest and most difficult operation in the navigable waters of the Yangtze River in recent years. activity.
(Xi Lin, Teng Yongchao, Guo Yangchen)
Editor in charge: [Ye Pan]