Strive end of two wells by drilling inclined Robbins. To celebrate 65 years of competition in August Revolution and National Day 2-9, personnel and factory workers are striving Song Da 6.10 completion of wells drilled inclined boring expansion of 2, with Nam Chien Hydropower Robbins drill before 2-9-2010. This well is 170 meters long, 1.8 meters in diameter and is boring first four wells drilled in a total of five works, with a total length of up to 800 meters. Nam Chien Hydropower projects are now building length well record in Vietnam