针对新型竖向可缩性钻井井壁,提出了两种可缩性接头结构形式,并进行了竖向、侧向和三轴加载模型试验.研究结果表明,两种结构形式的......

Upon the analysis of the interior and exterior pressures observed on the double-tubbing shaftwalls of the West Ventilati......