日韓不倫A片|男人狂躁进女人下面免费视频|久久夜色精品国产尤物|床上运动太激烈_哔哩哔哩_bilibili原声|亚洲av成人一区二区三区观看|国产成人一区二区三区在线观看|中文字幕欧美综合

News

Pipe designed by Hilong Holdings Limited has been used in the Sulige gas field

Date 2011-06-10

In May 2011, the 50672 drilling team of Chuanqing Drilling & Exploration Corp has completed the drilling activity at the Su5-3-16H1 well located at the Sulige gas field. The four-inch drill pipe designed by Hilong Holdings Limited has been used in the drilling. After completion of the drilling, the horizontal section of the drill well reached 2606 meters long, setting a record for the longest onshore horizontal drilling well in China. This achievement has once again demonstrated in action the outstanding performance and leading technology of Hilong’s drill pipe products.