May 31, at 3:00 P.M, with the monthly drilling footage of 9685 meters, ZPEC Drilling team 13 replaced 8811 meters drilling record which was also made in this Aprial by them, and renewed the ZPEC monthly drilling record.

In the first half of 2009, it goes without saying that team 13 is the best team in ZPEC Drilling, however, they always kept a calm status and continually applied different new technologies into the practice. Meanwhile, team 13 always paid most attention to safety and quality control, the once electric measurement passing rate of its 4 finished wells in May was 100%.

Up to May 31, team 13 has finished 10 wells, annual drilling footage have been 24165 meters, and still made them as the top performance in ZPEC.