China News Service, Qixia, January 18 (Yang Bing Wang Jiaoni) The reporter learned from the fourth press conference held by the emergency rescue headquarters of the Wushan Gold Mine explosion accident in Shandong Qixia on the 18th, considering that the underground personnel have been trapped for more than 7 days. , The headquarters decided to start the provision of supplies first.
Up to now, supplies have been administered twice and medicines have been administered once. The two batches of supplies can meet the two-day survival needs of underground personnel.
Chen Fei, deputy secretary of the Yantai Municipal Party Committee and Mayor, introduced at the press conference that at 13:55 on the 17th, the No. 3 borehole was connected to the fifth section of the roadway. The trapped people were contacted and the supplies were delivered. There are currently 11 people in the middle section, 1 in the sixth middle section, and 10 people in unknown conditions.
At 5:3 a.m. on the 18th, the No. 1 borehole and the sixth middle section of the tunnel were also connected. After the breakthrough, the drill pipe was used to contact the downhole personnel, but no response was received. The life detector is being used to increase the detection efforts.
Currently, at the rescue site, six drilling rigs are under construction, of which the targets of the No. 1 and No. 5 drilling rigs are the "sixth middle section" and the No. 2, 3, 4, and 6 rigs are the "fifth middle section".
As of 12:00 noon on the 18th, with the exception of No. 1 (hole diameter 311mm) and No. 3 boreholes (diameter 219mm) successfully penetrated, No. 2 borehole (hole diameter 219mm) stayed at 420 meters downhole due to "stuck", and No. 4 drill The hole (diameter 711mm) has been drilled to 540 meters downhole, the No. 5 hole (hole diameter of 350mm) has been drilled to 201 meters, and the No. 6 hole (hole diameter of 311mm) has been drilled to 316 meters downhole.
Among them, the No. 1 borehole has made a cumulative progress of nearly 629 meters, which is the deepest ground drilling and rescue depth in recent years.
At the same time, the rescue site plans to start No. 7 and No. 8 boreholes, and it is expected that the construction will start soon.
It is reported that the rescue headquarters has set up a life channel liaison and protection team. Public security, firefighting, medical, and communications personnel are on duty 24 hours a day to ensure the health of trapped persons at any time.
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