Sanhenan NO.1 well is located in the cooperation oil exploratory zone, Yaan Block of Sichuan Province.It is a cooperative drilling well between Northwest Mining Area (NWMA) and Texaco.

• 三和南一井是我矿与美国德士古公司在四川雅安区块合作进行的油气勘探项目,德士古公司根据国际惯例,提出了严格的环保要求。