On May 29th, what device invented by Liu Yonghong and Lu Zhidan, employees of Southwest Project Department of Zhongyuan Underground Special Operation Company, was authorized by the state patent?

On May 29th, the author learned from the State Patent Office that the safety monitoring device for shale gas ground blowout invented by Liu Yonghong and Lu Zhidan, employees of Southwest Project Department of Zhongyuan Underground Special Operation Company, was authorized by the state patent.

On May 29th, the author learned from the State Patent Office that the safety monitoring device for shale gas ground blowout invented by Liu Yonghong and Lu Zhidan, employees of Southwest Project Department of Zhongyuan Underground Special Operation Company, was authorized by the state patent.

The utility model is developed for high-risk gas wells with sulfur content, deep well depth, high gas layer temperature, easy blowout and difficult construction. Wireless monitoring mode is adopted, detectors are arranged reasonably, and monitoring data are compared and analyzed intuitively to ensure construction safety.