Coupling formula of being located is proration tubular column in pit

• Main Authors: Chen Yong, Wei Yaming, Xiao Shuqin, Yang Xudong, Fu Gangdan, Cheng Xiaoli, Han Qianghui, Liu Shuangquan
• Format: Patent
• Language: Chinese; English
• Published: 10.08.2016
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model belongs to the technical field of the oil field gas production, a special use of in particular to natural gas extraction in -process is the proration device in the pit, and specific coupling formula of being located is proration tubular column in pit that says so before the install...