Ball-locking setting ball seat

• Main Authors: LI YONGGE, CAO ZHONGLIN, LI BAIHUI, YIN HONGKE, WANG CHENG, YANG GUANKE, GUO XIANGLEI, CHEN HEPING, ZHANG YANLING
• Format: Patent
• Language: Chinese; English
• Published: 03.08.2011
• 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 relates to the field of open hole completion and staged fracturing processes of horizontal wells for oil and gas field exploration, in particular to a ball-locking setting ball seat, which consists of an upper joint (1), an external cylinder (2), a ball locking mechanism (3) and a...