宣兴1井是西南油气田公司基于川东北部飞仙关组早期边缘带沉积创新模式的理论基础上，坚持地质-物探一体化，部署的一口重点预探井，是西南油气田公司2025年上产500亿的重点项目，内容包括：井站2座、阀室1座、清管站1座及配套公用工程。

自2023年7月启动方案设计以来，西南分公司严格按照高含硫气田“安全规格等级最高、工业自控等级最高、智能化水平最高、技术经济水平最高”的四个最高标准开展项目设计和优化，与各参建单位齐心协力，仅用148天高质量完成项目建设，刷新同类工程施工周期纪录。

Xuanxing 1 Well is a key pre-exploration well deployed by Southwest Oil and Gas Field Company based on the theory of the early edge zone deposition innovation model of Feixianguan Formation in northeast Sichuan, adhering to the integration of geology and geophysical exploration. It is a key project of Southwest Oil and Gas Field Company to produce 50 billion yuan in 2025, including: 2 well stations, 1 valve chamber, 1 pigging station and supporting public works.

Since the program design started in July 2023, the Southwest Branch has carried out project design and optimization strictly in accordance with the four highest standards of high sulfur gas field "the highest level of safety specifications, the highest level of industrial automation, the highest level of intelligence, and the highest level of technology and economy", and has worked together with the participating units to complete the project construction in only 148 days. Set a new record for the construction period of similar projects.