With the last development well of "Keshen 9" gas field in Xinjiang, "Kenshen 9-1" has officially begun production, meaning that the deepest onshore gas field in China has been put into full development, providing new gas source support for China's winter natural gas supply. It reaches a drilling depth of 7,671 meters and produces 550,000 cubic meters of natural gas a day, which can meet the needs of 1.6 million residents.