Eight Drilling Teams of ZPEC Drilling Company started drilling production with year-to-date accumulated footage reaching 10,000 meters on February 29th.  Among the eight teams, six of them belong to the Changqing Project and have already finished their first lot of oil well drilling.  Meanwhile, the other teams in other projects have already finished their preparation work and are ready to drill.  As planned, all domestic teams will start their drilling work in early March.